Dataset Catalog

Data Use Policy
The data available here are intended for scholarly use by the academic research community, with the express understanding that data users will properly acknowledge the originating investigator. Use or reproduction of any material herein for any commercial purpose is prohibited without prior written permission from the Palmer Antarctica LTER.

Data Acknowledgement Policy
The following citation should be included in any use of the data from the LTER Palmer archive:

"Data from the Palmer LTER data archive were supported by Office of Polar Programs, NSF Grants OPP-9011927, OPP-9632763 and OPP-0217282."

Specific investigators should also be acknowledged for their contributions. Users of the data accept responsibility to provide copies of publications presenting PAL data to: LTER Palmer Information Management, c/o Karen Baker, UCSD/SIO, La Jolla, CA 92093-0218.

Palmer LTER Data Catalog

Study/Dataset-dataset description (D1...Dn)


ltergen/grid - LTER grid location latitude&longitude for standard grids including Western Antarctic Peninsula grid, Palmer basin grid, inshore grid, picket line 3/10/multi grids and high density 1 grid. ( ltergrid.100km20 ltergrid.5km5 ltergrid.hd1 ltergrid.inshore ltergrid.palmer ltergrid.pl10.ll ltergrid.pl3.ll ltergrid.plmulti.ll ltergrid.plus )

ltergen/ice - Ice coverage for the LTER region and the Southern Ocean derived from passive microwave ( ice.info ice_concs ice_edge lter_mon7802.txt monthly5198.soistd )

ltergen/sedtraps - ( sedelements )


weather/palmer - Daily and monthly average weather (air temperature, pressure, winds, sky and precipitation) for Palmer Station from four observations a day. ( daily8905 monthly7498temp )

weather/bas - Weather observations from the British Antarctic Survey Stations Faraday and Rothera. ( far4702mon.dat faraday4691.month faraday4795.month rothera7791.month vernadsky9698.month )

weather/basjones - British Antarctic Station air temperature from the databank of Jones and Limbert. ( belling.monthly faraday.monthly rothera.monthly )


9192pal/adbreed - Adelie Penguin breeding success and chronology studies during the 91-92 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods91 ckcnts91 flwts91 humpop91 repro91 )

9192pal/addemog - Adelie Penguin demography during the 91-92 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands91 census91 seen91 )

9192pal/adforage - Adelie Penguin diet studies during the 91-92 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish. ( diet91 fish91 header91 krill91 prey91 )

9192pal/adtelem - Adelie Penguin telemetry studies during the 91-92 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem91 telhdr91 )

9192pal/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoBiomass.dat acoEvent.dat )

9192pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9192pal.chl )

9192pal/chn - Particulate carbon, hydrogen and nitrogen from discrete water column samples. ( CHN_Diel.txt CHN_STA_B.txt CHN_STA_E.txt CHN_Sample_Log.txt )

9192pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( adultIGR adultIGR.details adultIGR.sum larvalIGR larvalIGR.details larvalIGR.sum )

9192pal/nutrientsdi - Silicate, phosphate, and nitrate concentrations. Data reported in uMoles/liter for stations A-J and others during the nearshore sampling season. ( 9192pal.nuts )

9192pal/optics - Optical data collected with an Optical Free Fall Instrument (OFFI) ( gsfc )

9192pal/pigmhplc - High performance liquid chromatography pigment data reported in ng/l for stations A-J and others during the nearshore sampling season. ( 9192pal.hplc )

9192pal/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( 9192pal.pidata 9192pal.pievents 9192pal.pifit )

9192pal/zodtrawl - Zooplankton and fish diversity and abundance from net tows. Zodiac trawls were conducted in the immediate Palmer area. The objective of the standard tows at specified stations was to assess macrozooplankton and fish diversity and abundance throughout the season, whereas targetted tows were to collect krill for laboratory experiments. ( trawl.lis zodtrawl.rec zodtrawlI.dat )


91nov/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoCalib.dat acoEvent.dat acoMatchMulti.dat swarmHdr.dat )

91nov/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list opticsnoon s87 ts )

91nov/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. Taken with the BOPS profiling system. ( pd9109.chl )

91nov/chn - Particulate carbon, hydrogen and nitrogen from bottles on water column profiles. ( pd9109.chn )

91nov/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( IGR.details IGR.sum adultIGR larvalIGR )

91nov/nutrientsdi - Silicate, phosphate, nitrate, nitrite and ammonia concentrations. Look at nut+hplc.log file for further info on station location. ( pd9109.nuthplclog pd9109.nuts )

91nov/pigmhplc - High performance liquid chromatography pigment data (ng/l). Look at nut+hplc.log file for further info on station location. ( pd9109.hplc pd9109.nuthplclog )

91nov/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( pd9109.pidata pd9109.pifit )

91nov/trawlgen - Trawl catch composition including total length and wet weight for individual Antarctic krill, Euphausia superba. ( LivingKrill_pics.ppt krill.tl.wwt trawl.catch trawl.list )

91nov/trawl2m - Zooplankton and micronekton collected by 2-M metro trawl towed in the upper 120 m. The catch is used for: A. random samples (1) species composition and abundance for community composition and distribution (2) alternate scatterer abundances which is used to correct the acoustics biomass data taken at 120 kHz for scatterers other than antarctic krill (3) random sample of antarctic krill for length frequency and females with red thelycums (MF) which is subsequently preserved and selected females analyzed for physiological maturity stage (Cuzin-Roudy and Amsler, 1991), and B. selected specimens (4) the source of antarctic krill for PHYCONA (physiological condition of adults) over the entire spatial scale of the cruise, which includes instanteous growth rate experiments on board chemical composition and condition factor of adult krill ( altscatter krill.lfhist krill.raw )

91nov/xbt - Water temperature profiles using xbt's. ( xbtorig )


9293pal/adbreed - Adelie Penguin breeding success and chronology studies during the 92-93 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods92 ckcnts92 flwts92 humpop92 repro92 )

9293pal/addemog - Adelie Penguin demography during the 92-93 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands92 census92 seen92 )

9293pal/adforage - Adelie Penguin diet studies during the 92-93 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet92 fish92 header92 krill92 prey92 )

9293pal/adtelem - Adelie Penguin telemetry studies during the 92-93 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem92 telhdr92 )

9293pal/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoBiomass.dat acoEvent.dat )

9293pal/chn - Particulate carbon, hydrogen and nitrogen from discrete water column sample. ( 9293pal.chn )

9293pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9293.chl )

9293pal/ctd - CTD (conductivity, temperature, depth) profiles in the Palmer Basin sampling grid. ( ctdofficast.list ts )

9293pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( adultIGR adultIGR.details adultIGR.sum )

9293pal/nutrientsdi - Silicate, phosphate, and nitrate concentrations. Reported in uMoles/liter for stations A-J and others during the nearshore sampling season. ( 9293pal.nuts )

9293pal/optics - Optical data collected with an Optical Free Fall Instrument (OFFI) ( gsfc )

9293pal/pigmhplc - High performance liquid chromatography pigment data reported in ng/l for stations A-J and others during the nearshore sampling season. ( 9293pal.hplc )

9293pal/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( 9293pal.pidata 9293pal.pievents 9293pal.pifit )

9293pal/sedbiomass - Sediment trap in nearshore waters. ( lter1.mass )

9293pal/zodtrawl - Zooplankton and fish diversity and abundance from net tows. Zodiac trawls were conducted in the immediate Palmer area. The objective of the standard tows at specified stations was to assess macrozooplankton and fish diversity and abundance throughout the season, whereas targetted tows were to collect krill for laboratory experiments. ( castlist.prey krill_lfhist )


92nov/atp - Microbial bacterial biomass (adenine tri-phosphate activity) ( pd9209.atp )

92nov/h2o2 - Hydrogen peroxide of discrete water column samples. ( pd9209.h2o2 )

92nov/leucine - Microheterotrophic bacterial production estimated by 3Hleucine from discrete water column samples. ( pd9209.leu )

92nov/nutrientsdi - Dissolved inorganic nutrients silica, phosphate, nitrate and nitrite of discrete watercolumn samples. ( pd9209.nut )

92nov/oxygen - Disolved oxygen of discrete water column samples. ( pd9209.oxy )


9394pal/adbreed - Adelie Penguin breeding success and chronology studies during the 93-94 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods93 ckcnts93 flwts93 humpop93 repro93 )

9394pal/addemog - Adelie Penguin demography during the 93-94 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands93 census93 seen93 )

9394pal/adforage - Adelie Penguin diet studies during the 93-94 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet93 fish93 header93 krill93 prey93 )

9394pal/adtelem - Adelie Penguin telemetry studies during the 93-94 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem93 telhdr93 )

9394pal/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoBiomass.dat acoEvent.dat )

9394pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9394.chl )

9394pal/chn - Particulate carbon, hydrogen and nitrogen from discrete water column samples. ( 9394pal.chn )

9394pal/ctd - CTD (conductivity, temperature, depth) profiles in the Palmer Basin sampling grid. ( ctdofficast.list ts )

9394pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( adultIGR adultIGR.details adultIGR.sum larvalIGR larvalIGR.details larvalIGR.sum )

9394pal/nutrientsdi - Silicate, phosphate, and nitrate concentrations. Nutrients reports in uMoles/liter for Stations A-J and others during the nearshore sampling season. ( 9394pal.nuts )

9394pal/optics - Optical data collected with an Optical Free Fall Instrument (OFFI) ( gsfc )

9394pal/pigmhplc - High performance liquid chromatography pigment data reported in ng/l for stations A-J and others during the nearshore sampling season. ( 9394pal.hplc )

9394pal/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( 9394pal.pidata 9394pal.pievents 9394pal.pifit )

9394pal/sedbiomass - Sediment trap in nearshore waters. ( lter2.mass )

9394pal/zodtrawl - Zooplankton and fish diversity and abundance from net tows. Zodiac trawls were conducted in the immediate Palmer area. The objective of the standard tows at specified stations was to assess macrozooplankton and fish diversity and abundance throughout the season, whereas targetted tows were to collect krill for laboratory experiments. ( castlist.prey krill_lfhist )


93jan/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoCalib.dat acoEvent.dat acoMatchMulti.dat swarmHdr.dat )

93jan/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list hydro opticsnoon oxy s87 ts )

93jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( pd9301.censh pd9301.censs pd9301.censt )

93jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( pd9301.chl )

93jan/chn - Particulate carbon, hydrogen and nitrogen analyzed from bottles on water column profiles. ( pd9301.chn )

93jan/dic - Dissolved inorganic carbon and alkalinity of discrete water column samples ( pd9301.dic )

93jan/h2o2 - Hydrogen peroxide of discrete water column samples. ( pd9301.h2o2 )

93jan/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( IGR.details IGR.sum adultIGR )

93jan/leucine - Microheterotrophic bacterial production estimated by 3Hleucine from discrete water column samples. ( pd9301.leu )

93jan/lps - ( pd9301.lps )

93jan/nutrientsdi - Silicate, phosphate, and nitrate concentrations (in uMoles/liter). ( pd9301.nuts )

93jan/oxygen - Disolved oxygen of discrete water column samples. ( pd9301.oxy )

93jan/pigmhplc - High performance liquid chromatography pigment data (ng/l). ( pd9301.hplc )

93jan/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( pd9301.pidata pd9301.pifit )

93jan/spf - Krill spawning frequency and egg production experiments were conducted on board in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of egg size and the batch volume are indices of individual reproductive output during the cruise. ( SPF2.raw SPF4.raw SPF5.raw SPF_sum.txt )

93jan/trawl2m - Zooplankton and micronekton collected by 2-M metro trawl towed in the upper 120 m. The catch is used for: A. random samples (1) species composition and abundance for community composition and distribution (2) alternate scatterer abundances which is used to correct the acoustics biomass data taken at 120 kHz for scatterers other than antarctic krill (3) random sample of antarctic krill for length frequency and females with red thelycums (MF) which is subsequently preserved and the females analyzed for physiological maturity stage (Cuzin- Roudy and Amsler, 1991), and B. selected specimens (4) the source of antarctic krill for PHYCONA (physiological condition of adults) over the entire spatial scale of the cruise, which includes instanteous growth rate experiments on board chemical composition and condition factor of adult krill ( altscatter krill.lfhist krill.raw )

93jan/trawlgen - Trawl catch composition including total length and wet weight for individual Antarctic krill, Euphausia superba. ( krill.tl.wwt trawl.catch trawl.list )

93jan/xbt - Water temperature profiles using xbt's. Corrected for bad points and interpolate to standard depths, ( OneMeter StdDepth )


93mar/atrack - Alongtrack ship observations including location, meteorology, water temperature, salinity and fluorescence. ( nbp9302.rtdas )

93mar/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoCalib.dat acoEvent.dat acoMatchMulti.dat swarmHdr.dat )

93mar/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list hydro opticsnoon oxy s87 ts )

93mar/carbon - ( nbp9302.carb )

93mar/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of BOPS discrete bottle samples. ( nbp9302.chl )

93mar/ctd - Temperature and salinity vertical profiles. The sampling at 5 km intervals might be in a box pattern between stations and also 5km on either side of the transect lines. Additional studies include profiles across the shelf breadth at 5 km intervals to depths at least of 2000m. ( OneMeter StdDepth ctdEvent.dat )

93mar/h2o2 - Hydrogen peroxide of discrete water column samples. ( nbp9302.h2o2 )

93mar/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( adultIGR adultIGR.details adultIGR.sum larvalIGR larvalIGR.details larvalIGR.sum )

93mar/leucine - Microheterotrophic bacterial production estimated by 3Hleucine from discrete water column samples. ( nbp9302.leu )

93mar/nutrientsdi - Dissolved inorganic nutrients silicate, phosphate, nitrate and nitrite of discrete watercolumn samples. ( nbp9302.nut )

93mar/oxygen - Disolved oxygen of discrete water column samples. ( nbp9302.oxy )

93mar/pigmhplc - High performance liquid chromatography pigment data (ng/l). ( hplc_mar_93.txt )

93mar/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( nbp9302.pidata nbp9302.pifit )

93mar/spf - Krill spawning frequency experiments were conducted on board in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. ( SPF1.raw SPF2.raw SPFSum SPFdet.per )

93mar/trawl2m - Zooplankton and micronekton collected by 2-M metro trawl towed in the upper 120 m. The catch is used for: A. random samples (1) species composition and abundance for community composition and distribution (2) alternate scatterer abundances which is used to correct the acoustics biomass data taken at 120 kHz for scatterers other than antarctic krill (3) random sample of antarctic krill for length frequency and females with red thelycums (MF) which is subsequently preserved and the females analyzed for physiological maturity stage (Cuzin-Roudy and Amsler, 1991), and B. selected specimens (4) the source of antarctic krill for PHYCONA (physiological condition of adults) over the entire spatial scale of the cruise, which includes *instanteous growth rate experiments on board *chemical composition and condition factor of adult krill *total length and wet weight relationships (see TL_WWT.info) ( altscatter krill.lfhist krill.raw )

93mar/trawlgen - Trawl catch composition including total length and wet weight for individual Antarctic krill, Euphausia superba. ( krill.tl.wwt trawl.catch trawl.list )

93mar/xbt - Water temperature profiles using xbt's. Corrected for bad points and interpolate to standard depths, ( OneMeter StdDepth xbtEvent.dat )


93aug/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoCalib.dat acoEvent.dat acoMatchMulti.dat swarmHdr.dat )

93aug/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list hydro opticsnoon s87 ts )

93aug/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 92-93 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( pd9307.censh pd9307.censs pd9307.censt )

93aug/carbon - ( pd9307.carb )

93aug/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. Taken with the BOPS profiling system. In addition, chlorophyll analysis was carried out on underice water samples and with a chlorophyll-a specific fluorometer. ( pd9307.chl )

93aug/chn - Particulate carbon, hydrogen and nitrogen analyzed from bottles on water column profiles. ( pd9307.chn )

93aug/ctd - Selected temperature vertical profiles. ( OneMeter StdDepth ctdEvent.dat )

93aug/h2o2 - Hydrogen peroxide of discrete water column samples. ( pd9307.h2o2 )

93aug/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( adultIGR adultIGR.details adultIGR.sum larvalIGR larvalIGR.details larvalIGR.sum )

93aug/leucine - Microheterotrophic bacterial production estimated by 3Hleucine from discrete water column samples. ( pd9307.leu )

93aug/nutrientsdi - Silicate, phosphate, nitrate and ammonium concentrations (in uMoles/liter) ( pd9307.nuts )

93aug/pigmhplc - High performance liquid chromatography pigment data (ng/l). ( pd9307.hplc pd9307.hplc.old )

93aug/prprodpi - Primary Production based upon Photosynthesis-Irradiance relationships. Includes raw numbers in order to calculate the relationship. Look at fitted_parameters files for derived variables. ( pd9307.pidata pd9307.pifit )

93aug/trawlgen - Trawl catch composition including total length and wet weight for individual Antarctic krill, Euphausia superba. ( krill.tl.wwt trawl.catch trawl.list )

93aug/trawl2m - Zooplankton and micronekton collected by 2-M metro trawl towed in the upper 120 m. The catch is used for: A. random samples (1) species composition and abundance for community composition and distribution (2) alternate scatterer abundances which is used to correct the acoustics biomass data taken at 120 kHz for scatterers other than antarctic krill (3) random sample of antarctic krill for length frequency and females with red thelycums (MF) which is subsequently preserved and the females analyzed for physiological maturity stage (Cuzin- Roudy and Amsler, 1991), and B. selected specimens (4) the source of antarctic krill for PHYCONA (physiological condition of adults) over the entire spatial scale of the cruise, which includes instanteous growth rate experiments on board chemical composition and condition factor of adult krill total length and wet weight relationships (see TL_WWT.info) ( altscatter krill.lfhist krill.raw )

93aug/xbt - Water temperature profiles using xbt's. Corrected for bad points and interpolate to standard depths, ( OneMeter StdDepth xbtEvent.dat )


9495pal/adbreed - Adelie Penguin breeding success and chronology studies during the 94-95 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods94 ckcnts94 flwts94 humpop94 repro94 )

9495pal/addemog - Adelie Penguin demography during the 94-95 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands94 census94 seen94 )

9495pal/adforage - Adelie Penguin diet studies during the 94-95 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet94 fish94 header94 krill94 prey94 )

9495pal/adtelem - Adelie Penguin telemetry studies during the 94-95 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem94 telhdr94 )

9495pal/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoBiomass.dat acoEvent.dat )

9495pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9495.chl )

9495pal/chn - Particulate carbon, hydrogen and nitrogen from discrete water column samples. ( 9495pal.chn )

9495pal/ctd - CTD (conductivity, temperature, depth) profiles in the Palmer Basin sampling grid. ( ctdofficast.list ts )

9495pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( adultIGR adultIGR.details adultIGR.sum )

9495pal/nutrientsdi - Silicate, phosphate, and nitrate concentrations Nutrients reports in uMoles/liter for Stations A-J and others during the nearshore sampling season. ( 9495pal.nuts )

9495pal/optics - Optical data collected with a Profiling Reflectance Radiometer (PRR) ( gsfc )

9495pal/pigmhplc - Photosynthetic pigments of watercolumn samples using high performance liquid chromatography ( 9495pal.hplc )

9495pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( 9495pal.prprodsis )

9495pal/sedbiomass - Sediment trap in nearshore waters. ( lter3.mass )

9495pal/zodtrawl - Zooplankton and fish diversity and abundance from net tows. Zodiac trawls were conducted in the immediate Palmer area. The objective of the standard tows at specified stations was to assess macrozooplankton and fish diversity and abundance throughout the season, whereas targetted tows were to collect krill for laboratory experiments. ( krill_lfhist )


94jan/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoCalib.dat acoEvent.dat )

94jan/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list opticsnoon oxy s87 ts )

94jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 93-94 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( pd9401.censh pd9401.censs pd9401.censt )

94jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. Taken with the BOPS profiling system. ( pd9401.chl )

94jan/chn - Particulate carbon, hydrogen and nitrogen analyzed from bottles on water column profiles. ( pd9401.chn )

94jan/dic - ( pd9401.dic )

94jan/h2o2 - Hydrogen peroxide of discrete water column samples. ( pd9401.h2o2 )

94jan/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( adultIGR adultIGR.details adultIGR.sum )

94jan/leucine - Microheterotrophic bacterial production estimated by 3Hleucine from discrete water column samples. ( pd9401.leu )

94jan/lps - Seawater subsampled from surface BOPS bottle, some GoFlo and under-ice samplers LPS Total and dissolved lipopolysaccharide ( pd9401.lps )

94jan/nutrientsdi - Silicate, phosphate, nitrate and ammonium concentrations (in uMoles/liter) ( pd9401.nutbp pd9401.nutdk )

94jan/oxygen - Disolved oxygen of discrete water column samples. ( pd9401.oxy )

94jan/pigmhplc - High performance liquid chromatography pigment data (ng/l). ( pd9401.hplc )

94jan/prprodpi - Photosynthesis-Irradiance phytoplankton data. Includes raw numbers in order to calculate the relationship. Scintillation counts and light measurements for productivity measurements. ( pd9401.pidata )

94jan/spf - Krill spawning frequency and egg production experiments were conducted on board in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of egg size and the batch volume are indices of individual reproductive output during the cruise. ( SPF1.raw SPF2.raw SPF3.raw SPF4.raw SPFSum.txt SPFdet.per )

94jan/trawl2m - Macrozooplankton community abundance and composition from a 2m trawl. 2m metro trawl (1000 um mesh) towed in the upper 120 m to collect zooplankton and micronekton; the catch is used for: A. random samples (1) community composition and distribution (2) alternate scatterer abundances for analysis of acoustics biomass data taken at 120 kHz, i.e. scatterers other than antarctic krill (3) random sample of antarctic krill for length frequency and females with red thelycums (MF) which is subsequently preserved, and B. selected specimens (4) the source of antarctic krill for PHYCONA (physiological condition of adults) over the entire spatial scale of the cruise, which includes instanteous growth rate (krillGrowth) experiments on board spawning frequency (krillSpawn) experiments on board ( altscatter.dat krill.lfhist krill.raw )

94jan/trawlgen - Macrozooplankton community abundance and composition from three trawls of different size 1m metro trawl (333 um mesh) towed in the upper 300 m 2m metro trawl (1000 um mesh) towed in the upper 120 m midwater trawl (10 m) or 2 m Isaacs Kidd Midwater Trawl (IKMT) ( trawl.catch trawl.list )

94jan/xbt - Use xbt to get profile for temperature. Correct for spikes, interpolate to standard depths, calculate potential temperature relative to 0 dbar. The mark 12 version of the Sippican software is used to obtain and process the data. ( xbtorig )


94dec/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( pd9412.chl )

94dec/dic - Dissolved inorganic carbon and alkalinity of discrete water column samples ( pd9412.dic )

94dec/enzyme - ( pd9412.enz )

94dec/h2o2 - Hydrogen peroxide of discrete water column samples. ( pd9412.h2o2 )

94dec/oxygen - Disolved oxygen of discrete water column samples. ( pd9412.oxy )


9596pal/adbreed - Adelie Penguin breeding success and chronology studies during the 95-96 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods95 ckcnts95 flwts95 humpop95 repro95 )

9596pal/addemog - Adelie Penguin demography during the 94-95 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands95 census95 seen95 )

9596pal/adforage - Adelie Penguin diet studies during the 95-96 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet95 fish95 header95 krill95 prey95 )

9596pal/adtelem - Adelie Penguin telemetry studies during the 95-96 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem95 telhdr95 )

9596pal/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance. The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower. Bioacoustics data were previously presented as estimates of biomass with a specific target strength model. In response to requests for data to be avail,able for processing with different target strength models, the raw binary files generated by Biosonics software (V3) are being made available. Due to their large size, they are available upon request from the PI of orgin. ( event.bld_list2 )

9596pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9596.chl )

9596pal/chn - Particulate carbon and nitrogen from discrete water column samples ( 9596pal.chn )

9596pal/ctd - CTD (conductivity, temperature, depth) profiles in the Palmer Basin sampling grid. ( bin cnv ctdofficast.list std ts )

9596pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( LIGR1.csv LIGR2.csv LIGR3.csv LIGR4.csv LIGR5.csv LIGR6.csv LIGR7.csv )

9596pal/nutrientsdi - Silicate, phosphate, and nitrate concentrations ( 9596pal.nuts )

9596pal/optics - Optical data collected with a Profiling Reflectance Radiometer (PRR) ( gsfc )

9596pal/pigmhplc - Photosynthetic pigments of watercolumn samples using high performa nce liquid chromatography ( 9596pal.hplc )

9596pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( 9596pal.prprodsis )

9596pal/prprodpi - ( 9596pal.prprodpi )

9596pal/sedbiomass - ( lter4.mass )

9596pal/zodtrawl - ( krill_lfhist )


95jan/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower ( acoCalib.dat acoEvent.dat swarmHdr.dat )

95jan/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list opticsnoon oxy s87 ts )

95jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 94-95 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( pd9501.censh pd9501.censs pd9501.censt )

95jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( pd9501.chl )

95jan/chn - Particulate carbon and nitrogen from discrete watercolumn bottles ( pd9501.chn )

95jan/dic - ( pd9501.dic )

95jan/h2o2 - Hydrogen peroxide of discrete water column samples. ( pd9501.h2o2 )

95jan/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( adultIGR adultIGR.details adultIGR.sum )

95jan/leucine - Microheterotrophic bacterial production estimated by 3Hleucine from discrete water column samples. ( pd9501.leu )

95jan/lps - ( pd9501.lps )

95jan/nutrientsdi - Silicate, phosphate, nitrite, and nitrate concentrations. ( pd9501.nuts )

95jan/oxygen - Disolved oxygen of discrete water column samples. ( pd9501.oxy )

95jan/pigmhplc - Photosynthetic pigments of watercolumn samples using high performance liquid chromatography ( pd9501.hplc )

95jan/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( pd9501.prprodsis )

95jan/trawlgen - Macrozooplankton community abundance and composition ( trawl.catch trawl.list )

95jan/xbt - Water temperature profiles using xbt ( xbtorig )


9697pal/adbreed - Adelie Penguin breeding success and chronology studies during the 96-97 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods96 ckcnts96 flwts96 humpop96 repro96 )

9697pal/addemog - Adelie Penguin demography during the 96-97 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands96 census96 seen96 )

9697pal/adforage - Adelie Penguin diet studies during the 96-97 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet96 fish96 header96 krill96 prey96 )

9697pal/adtelem - Adelie Penguin telemetry studies during the 96-97 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem96 telhdr96 )

9697pal/bioacoustics - Continuous acoustic data was collected from two standard transects within the Palmer LTER nearshore study area. ( acoCalib.970807OldDeck event.bld_list )

9697pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9697.chl )

9697pal/chn - Particulate carbon and nitrogen from discrete water column samples ( 9697pal.chn )

9697pal/ctd - CTD (conductivity, temperature, depth) profiles in the Palmer Basin sampling grid ( ctdofficast.list ts )

9697pal/krillgrowth - Antarctic krill instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( IGR.details IGR.sum adultIGR larvalIGR )

9697pal/nutrientsdi - Watercolumn samples nutrient analysis for silicate, nitrate+nitrate, and ammonia ( 9697pal.nuts )

9697pal/optics - Optical data collected with a Profiling Reflectance Radiometer (PRR) ( )

9697pal/pigmhplc - Photosynthetic pigments of watercolumn samples using high performance liquid chromatography ( 9697pal.hplc )

9697pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( 9697pal.prprodsis )

9697pal/zodtrawl - Targetted tow trawls to collect krill Zodiac trawls were conducted in the immediate Palmer area (Palmer grid; Smith, 1992.) The objective of the targetted tows was to collect krill for laboratory experiments. ( lf.hist zodtrawl.record )


96jan/bioacoustics - Vertically integrated acoustic biomass averaged over the transect distance The vertical extent is from about 10 m below surface (varies with study) to 200 m or the bottom, whichever is shallower. Bioacoustics data were previously presented as estimates of biomass with a specific target strength model. In response to requests for data to be available for processing with different target strength models, the raw binary files generated by Biosonics software (V3) are now available. Due to their large size, they are available upon request from the PI of origin. ( acoCalib.960516 event_bld.list )

96jan/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list opticsnoon oxy s87 ts )

96jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 95-96 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( pd9601.censh pd9601.censs pd9601.censt )

96jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( pd9601.chl )

96jan/chn - Particulate carbon and nitrogen from discrete watercolumn bottles Samples taken from BOPS water profiling system Go-Flo bottles and analyzed for particulate carbon and nitrogen. ( pd9601.chn )

96jan/ctd - Temperature and salinity vertical profiles using a ctd ( BOT STD ctdCastList1996jan.dat s87 )

96jan/dic - ( pd9601.dic )

96jan/h2o2 - ( pd9601.h2o2 )

96jan/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill from experiments held on board ship at ambient temperatures for short periods. ( AIGR1.csv AIGR10.csv AIGR2.csv AIGR3.csv AIGR4.csv AIGR5.csv AIGR6.csv AIGR7.csv AIGR8.csv AIGR9.csv )

96jan/leucine - ( pd9601.leu )

96jan/lps - ( pd9601.lps )

96jan/nutrientsdi - Silicate, phosphate, nitrite, nitrate and ammonium concentrations. Samples taken from Go-Flo bottles and analyzed with either Perstorp segmented flow nutrient analysis system and Labtronics data collection software, or at the Marine Science Institute's Analytical Laboratory, Santa Barbara, CA. ( pd9601.nuts )

96jan/oxygen - ( pd9601.oxy )

96jan/pigmhplc - Photosynthetic pigments of watercolumn samples using high performance liquid chromatography ( pd9601.hplc )

96jan/prprodpi - ( pd9601.prprodpi )

96jan/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( pd9601.prprodsis )

96jan/trawlgen - Macrozooplankton community abundance and composition ( trawl.catch trawl.list )

96jan/xbt - Water temperature profiles using xbt ( xbtorig )


97jan/bioacoustics - bioacoustic transect for Antarctic krill There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the cruise. Discrete acoustic transects were done at each station simultaneously with net tows, at ~2.2 kts. Thus there are replicate transects at all cardinal stations. Continuous acoustic transects were conducted during three activities: the 3.7 and 10 km picket lines, the high density grid, and the spatial variance transects. The continuous transects were done at 4.5 kts. ( acoCalib.970807OldDeckNewTow acoCalib.970912OldDeckOldTow event_bld.list )

97jan/bops - Optical, physical and auxillary profile casts made with BOPS (BioOptical Profiling System). The bops2 package contains downwelling, upwelling and deck optical instruments in addition to auxillary instruments such as temperature, conductivity and fluorescence. The downcasts and upcasts are recorded seperately. ( bopscast.list opticsnoon oxy s87 ts )

97jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 96-97 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( pd9701.censh pd9701.censs pd9701.censt )

97jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( pd9701.chl )

97jan/chn - Particulate carbon and nitrogen from discrete watercolumn bottles ( pd9701.chn )

97jan/ctd - Temperature and salinity vertical profiles using a ctd ( BOT STD ctdCastList1997jan.dat s87 )

97jan/dic - ( pd9701.dic )

97jan/h2o2 - ( pd9701.h2o2 )

97jan/krillgrowth - Instantaneous growth rate and molting frequency of Antarctic krill experiments held on board ship at ambient temperatures for short periods ( adultIGR adultIGR.details adultIGR.summary )

97jan/nutrientsdi - Watercolumn samples nutrient analysis for silicate, nitrate+nitrite, and ammonia ( pd9701.nuts )

97jan/oxygen - ( pd9701.oxy )

97jan/pigmhplc - Photosynthetic pigments of watercolumn samples using high performance liquid chromatography ( pd9701.hplc )

97jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( pd9701.prprodsis )

97jan/spf - Krill spawning frequency and egg production Experiments were conducted on board in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of egg size and the batch volume are indices of individual reproductive output during the cruise. ( SPF.dat SPF.details SPF.sum )

97jan/trawlgen - Macrozooplankton community abundance and composition 1) from two trawls with different size mouth opening and mesh. - 1m metro trawl (333 um nytex mesh) towed obliquely between the surface and 300 m - 2m metro trawl (~700 um stretch mesh) towed obliquely between the surface and 120 m 2) Target tows to verify acoustic targets seen on the acoustic trace. - Tucker open/closing trawl for target tows, ~700 um stretch mesh towed at depth of target ( trawl.catch trawl.list )

97jan/trawl2m - Wet weight, total length and sexual maturity of Antarctic krill from throughout the mesoscale Palmer LTER grid. ( krill.length_weight )

97jan/xbt - Water temperature profiles using xbt ( xbtorig )


9798pal/adbreed - Adelie Penguin breeding success and chronology studies during the 97-98 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods97 ckcnts97 flwts97 humpop97 repro97 )

9798pal/addemog - Adelie Penguin demography during the 97-98 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands97 census97 seen97 )

9798pal/adforage - Adelie Penguin diet studies during the 97-98 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet97 fish97 header97 krill97 prey97 )

9798pal/adtelem - Adelie Penguin telemetry studies during the 97-98 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem97 telhdr97 )

9798pal/bioacoustics - Continuous acoustic data from two standard transects within the Palmer LTER nearshore study area ( acoCalib.97080792Deck acoCalib.970807OldDeckNewTow acoCalib.98073092Deck acoCalib.980730OldDeckNewTow event.bld_list9798 event.bld_list98janpal )

9798pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9798.chl )

9798pal/chn - Particulate carbon and nitrogen from discrete water column samples ( 9798pal.chn )

9798pal/ctd - CTD (conductivity, temperature, depth) profiles in the Palmer Basin sampling grid ( ctdofficast.list std )

9798pal/krillgrowth - Antarctic krill instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( IGR IGR.details IGR.sum )

9798pal/nutrientsdi - Watercolumn samples nutrient analysis for phosphate, silicate, nitrate, nitrate, and ammonia ( 9798pal.nuts )

9798pal/optics - Optical data collected with a Profiling Reflectance Radiometer (PRR) ( final raw )

9798pal/pigmhplc - Samples taken from Go-Flo bottles and analyzed with HPLC for photosynthetic pigments. ( 9798pal.pigmhplc )

9798pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( 9798pal.prprodsis )

9798pal/zodtrawl - Dives and zodiac trawls to collect krill Zodiac trawls were conducted in the immediate Palmer area (Palmer grid; Waters and Smith, 1992.) ( zodtrawl.list )


98jana/bioacoustics - Bioacoustic transect for Antarctic krill There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the annual January cruise which utilized two research platforms. Abel J (98jan a): all transects at 4.5 to 5 kts 1) Continuous acoustic transects over high density grid 1 as established in Jan 1995. 2) Discrete acoustic transects in inner north (Lemaire and Grandidier Channels), some with krill target tows done from Mark V zodiac 3) Palmer nearshore transects, A-E and F-J. LMG98-01 (98jan b): 1) Discrete acoustic transects were done at each station simultaneously with net tows, at ~2.2 kts. 2) Palmer nearshore transect A-E ( acoCalib.970807OldDeckNewTow acoCalib.980730OldDeckNewTow event.bld_list.a )

98jana/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmgr9808.chl )

98jana/chn - Particulate carbon and nitrogen from discrete watercolumn bottles ( lmgr9808.chn )

98jana/nutrientsdi - Watercolumn samples nutrient analysis for phosphate, silicate, nitrate, nitrite, and ammonia ( lmgr9808.nuts )

98jana/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmgr9808.prprodsis )

98jana/trawlgen - Macrozooplankton community abundance and composition from acoustic tow Target tows to verify acoustic targets seen on the acoustic trace, done with Rubber Duke (Mark V zodiac outfitted with winch and A-frame) following the Abel J. ( trawl.list.a )


98janb/bioacoustics - Bioacoustic transect for Antarctic krill There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the annual January cruise which utilized two research platforms. Abel J (98jan a): all transects at 4.5 to 5 kts 1) Continuous acoustic transects over high density grid 1 as established in Jan 1995. 2) Discrete acoustic transects in inner north (Lemaire and Grandidier Channels), some with krill target tows done from Mark V zodiac 3) Palmer nearshore transects, A-E and F-J. LMG98-01 (98jan b): 1) Discrete acoustic transects were done at each station simultaneously with net tows, at ~2.2 kts. 2) Palmer nearshore transect A-E ( acoCalib.970807OldDeckNewTow acoCalib.980730OldDeckNewTow event.bld_list.b )

98janb/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 97-98 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( lmg9801.censh lmg9801.censs lmg9801.censt )

98janb/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples ( lmg9801.chl )

98janb/chn - Particulate carbon and nitrogen from discrete watercolumn bottles ( lmg9801.chn )

98janb/ctd - Vertical profiles using a ctd ( BOT STD ctdCastList1998jan.dat s87 )

98janb/dic - ( lmg9801.dic )

98janb/enzyme - Ectoenzyme activity: a-glucosidase, b-glucosidase, alkaline phosphatase, leucine aminopepetidase. ( lmg9801.enz )

98janb/h2o2 - ( lmg9801.h2o2 )

98janb/krillgrowth - Instantaneous growth rate and molting frequency for Antarctic krill experiments krill held on board ship at ambient temperatures for short periods ( adultIGR adultIGR.details adultIGR.sum )

98janb/leucine - ( lmg9801.leu )

98janb/lps - ( lmg9801.lps )

98janb/nutrientsdi - ( lmg9801.nuts )

98janb/nutrientsdo - ( lmg9801.tpn )

98janb/optics - Optical data collected with the Profiling Reflectance Radiometer (PRR) designed to profile the water column away from potential perturbation effects of the ship. PRR casts were made on the R/V Gould. These data are binned into 1 m bins using downcast data only. ( final raw )

98janb/oxygen - ( lmg9801.oxy )

98janb/pigmhplc - Photosynthetic pigments of watercolumn samples using high performance liquid chromatography ( lmg9801.pigmhplc )

98janb/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg9801.prprodsis )

98janb/spf - Krill spawning frequency and egg production experiments were conducted on board the Laurence M. Gould (98-01) in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of egg size and the batch volume are indices of individual reproductive output during the cruise. ( SPF spf.details spf.sum )

98janb/trawlgen - Macrozooplankton community abundance and composition 1) from two trawls with different size mouth opening and mesh - 1m metro trawl (333 um nytex mesh) towed obliquely between the surface and 300 m - 2m metro trawl (~700 um stretch mesh) towed obliquely between the surface and 120 m 2) Target tows to verify acoustic targets seen on the acoustic trace. - Tucker open/closing trawl for target tows, ~700 um stretch mesh towed at depth of target ( trawl.catch trawl.list )

98janb/xbt - ( xbtorig )


9899pal/adbreed - Adelie Penguin breeding success and chronology studies during the 98-99 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods98 ckcnts98 fltwts98 humpop98 repro98 )

9899pal/addemog - Adelie Penguin demography during the 98-99 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. ( bands98 census98 seen98 )

9899pal/adforage - Adelie Penguin diet studies during the 98-99 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet98 fish98 header98 krill98 prey98 )

9899pal/adtelem - Adelie Penguin telemetry studies during the 98-99 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem98 telhdr98 )

9899pal/bioacoustics - Continuous acoustic data was collected from two standard transects within the Palmer LTER nearshore study area. ( Calib_Aug99 Calib_Jul98 event.bld.list9899pal event.bld.list99janpal )

9899pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9899.chl )

9899pal/chn - Samples were taken from Go-Flo bottles and analyzed at the Marine Science Institute in Santa Barbara, CA for particulate organic carbon and nitrogen. ( 9899pal.chn )

9899pal/ctd - Temperature and salinity vertical profiles using a seacat ( RAW STD ctdCastList9899pal.dat s87 )

9899pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( IGR.details IGR.sum IGR1.dat )

9899pal/nutrientsdi - Samples taken from Go-Flo bottles and analyzed by the Marine Science Institute Analytical Laboratory in Santa Barbara, CA, using a Lachat QuickChem 800 Flow Injection Nutrient Analyzer. ( 9899pal.nuts )

9899pal/optics - ( final raw )

9899pal/pigmhplc - Samples taken from Go-Flo bottles and analyzed with HPLC for photosynthetic pigments. ( 9899pal.pigmhplc )

9899pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( 9899pal.prprodsis )

9899pal/zodtrawl - Measurements of the length frequency distributions and condition factor measurements of the krill populations in the Palmer Basin region yield information on seasonal changes in the demographics of the krill population (on/offshore movements) and in the physiological condition of the krill. In conjunction with the bioacoustics determinations of biomass the data characterize the abundance and size character of krill in this nearshore region throughout the season. Krill are collected for these measurements by SCUBA divers and with a net towed from a zodiac. Zodiac trawls and dive operations are conducted in the immediate Palmer area within 3.7 km of the station (Palmer grid; Waters and Smith, 1992.) This data set contains a record of dives and zodiac trawls to collect krill, and what was done with the catch. ( zodtrawl.list )

9899pal/ - ( adbreed addemog adforage adtelem bioacoustics bioacousticsold chl chn ctd datapublic krillgrowth nutrientsdi optics pigmhplc prprodsis zodtrawl )


99jan/bioacoustics - There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the annual January cruise. A. at ship speed 2.0 to 2.5 kts 1) Discrete acoustic transects were done at each station simultaneously with the 2-M and 1-M net tows, for the 200.*, 300.*, 400.*, 500.* and 600.* cardinal lines. The 2-M net tow and bioacoustic transect combination was repeated 3 weeks later for the 300.* and 600.* lines. 2) Palmer nearshore transect A-E and F-J. B. At ship speed 4.0 to 4.5 kts 1) Continuous acoustic transects simultaneously with seabird observations over high density grid 1 as established in Jan 1995. 2) Continuous acoustic transects between stations along the cardinal lines simultaneously with seabird observations when daylight adequate, on all 5 cardinal lines 3) Continuous acoustic transects offshore (500.220 to 377.200) and inshore (300.040 to 500.060) simultaneously with seabird observations when daylight adequate ( Aug99calib Jul98calib event_bld.list )

99jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 98-99 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( lmg9900.censh lmg9900.censs lmg9900.censt )

99jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg9901.chl lmg9901.old.chl )

99jan/chn - Samples taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould, and analyzed for particulate carbon and nitrogen. ( lmg9901.chn )

99jan/ctd - Vertical profiles using a ctd ( BOT STD ctdCastList1999jan.dat s87 )

99jan/dic - ( lmg9901.dic )

99jan/enzyme - ( lmg9901.enz )

99jan/h2o2 - ( lmg9901.h2o2 )

99jan/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on board ship at ambient temperatures for short periods ( IGR IGR.details IGR.sum )

99jan/leucine - ( lmg9901.leu )

99jan/lps - ( lmg9901.lps )

99jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed by the Marine Science Institute Analytical Laboratory in Santa Barbara, CA, using a Lachat QuickChem 800 Flow Injection Nutrient Analyzer. ( lmg9901.nuts )

99jan/optics - ( final raw )

99jan/oxygen - ( lmg9901.oxy )

99jan/pigmhplc - Samples taken from rosette Go-Flo bottles and analyzed with HPLC for pigments. ( lmg9901.pigmhplc )

99jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg9901.prprodsis )

99jan/spf - Spawning frequency and egg production experiments were conducted on board the Laurence M. Gould (99-01) in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of egg size and the batch volume are indices of individual reproductive output during the cruise. ( SPF.details SPF.sum SPF1.dat SPF2.dat SPF3.dat SPF4.dat SPF5.dat SPF6.dat SPF7.dat SPF8.dat SPF9.dat )

99jan/trawlgen - 1) Macrozooplankton community abundance and composition from two trawls with different size mouth opening and mesh. - 1m metro trawl (333 um nytex mesh) towed obliquely between the surface and 300 m - 2m metro trawl (~700 um stretch mesh) towed obliquely between the surface and 120 m 2) Target tows to verify acoustic targets seen on the acoustic trace. - Tucker open/closing trawl for target tows, ~700 um stretch mesh towed at depth of target ( trawl.catch trawl.list )

99jan/trawl2m - Wet weight, total length and sexual maturity of Antarctic krill from throughout the mesoscale Palmer LTER grid. ( krill.length_weight )

99jan/xbt - Temperature vertical profiles using xbt's ( xbtorig )


9900pal/adbreed - Adelie Penguin breeding success and chronology studies during the 99-00 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods99 ckcnts99 flwts99 humpop99 repro99 )

9900pal/addemog - Adelie Penguin demography during the 99-00 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. Note that flipper banding of Adelie penguins was discontinued after the 98-99 season. As a result, the bandsxx.dat file for 99-00 is absent. ( census99 seen99 )

9900pal/adforage - Adelie Penguin diet studies during the 99-00 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet99 fish99 header99 krill99 prey99 )

9900pal/adtelem - Adelie Penguin telemetry studies during the 99-00 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem99 telhdr99 )

9900pal/bioacoustics - Continuous acoustic data was collected from two standard transects within the Palmer LTER nearshore study area. ( acoCalib.000612 acoCalib.990803 event.bld_list )

9900pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( 9900.chl )

9900pal/chn - Samples were taken from Go-Flo bottles and analyzed at the Marine Science Institute in Santa Barbara, CA for particulate organic carbon and nitrogen. ( 9900pal.chn )

9900pal/ctd - ( cnv eventlogpal.9900.xls )

9900pal/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on in seawater tables at ambient temperatures for short periods ( IGR IGR.details IGR.sum )

9900pal/nutrientsdi - ( 9900pal.nutrientsdi.csv )

9900pal/optics - ( final raw )

9900pal/pigmhplc - Samples taken from Go-Flo bottles and analyzed with HPLC for photosynthetic pigments. ( 9900pal.pigmhplc )

9900pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( 9900pal.prprodsis )

9900pal/zodtrawl - Measurements of the length frequency distributions and condition factor measurements of the krill populations in the Palmer Basin region yield information on seasonal changes in the demographics of the krill population (on/offshore movements) and in the physiological condition of the krill. In conjunction with the bioacoustics determinations of biomass the data characterize the abundance and size character of krill in this nearshore region throughout the season. Krill are collected for these measurements by SCUBA divers and with a net towed from a zodiac. Zodiac trawls and dive operations are conducted in the immediate Palmer area within 3.7 km of the station (Palmer grid; Waters and Smith, 1992.) This data set contains a record of dives and zodiac trawls to collect krill, and what was done with the catch. ( zodtrawl.list )


00jan/bioacoustics - There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the annual January cruise. The total number of transects was 116. A. at ship speed 2.0 to 2.5 kts 1) Discrete acoustic transects were done at each station simultaneously with the 2-M and 1-M net tows, for the 200.*, 300.*, 400.*, 500.* and 600.* cardinal lines. Some stations were omitted due to time constraints (N=7: 200.200, 300.100, 300.140, 300.180, 500.100, 500.140, 500.180), and due to ice conditions some stations had net tows but no acoustic transects (N=5: 200.-020, 200.000, 200.020, 200.040, 200.060). There were also 6 additional transects on the seaward edge of the 600.* and 500.* lines, 5 transects in the LeMaire and Grandidier Channels, and 1 transect associated with a tow near Avian I. AND 2) Palmer nearshore transect A-E twice. B. At ship speed 4.0 to 4.5 kts 1) Continuous acoustic transects simultaneously with seabird observations over high density grid 1 as established in Jan 1995. Total of 26 transects. 2) Continuous acoustic transects simultaneously with seabird observations on the nearshore picket line (at 3.7 km radius from Torgersen I) and the 10 km picket line (at 10 km radius). ( acoCalib.000612 acoCalib.980730 event_bld.list )

00jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 99-00 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( lmg0001.censh lmg0001.censs lmg0001.censt )

00jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg0001.chl )

00jan/chn - Samples taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould, and analyzed for particulate carbon and nitrogen. ( jan0001.chn )

00jan/ctd - Vertical profiles using a ctd ( BOT STD ctdCastList2000jan.dat s87 )

00jan/dic - ( lmg0001.dic )

00jan/krillgrowth - Instantaneous growth rate and molting frequency experiments on Antarctic krill held on board ship at ambient temperatures for short periods ( AIGR1.csv AIGR2.csv AIGR3.csv AIGR4.csv AIGR5.csv AIGR6.csv IGR.details IGR.sum )

00jan/lps - ( lmg0001.lps )

00jan/nutrientsdi - ( lmg0001.nutrientsdi )

00jan/optics - ( final raw )

00jan/pigmhplc - Samples taken from rosette Go-Flo bottles and analyzed with HPLC for pigments. ( lmg0001.pigmhplc )

00jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0001.prprodsis )

00jan/spf - Spawning frequency and egg production experiments were conducted on board the Laurence M. Gould (00-01) in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of egg size and the batch volume are indices of individual reproductive output during the cruise. ( SPF.details SPF.sum SPF1 SPF3 SPF4 spf2 )

00jan/trawlgen - 1) Macrozooplankton community abundance and composition from two trawls with different size mouth opening and mesh. - 1m metro trawl (333 um nytex mesh) towed obliquely between the surface and 300 m - 2m metro trawl (~700 um stretch mesh) towed obliquely between the surface and 120 m 2) Target tows to verify acoustic targets seen on the acoustic trace. - Tucker open/closing trawl for target tows, ~700 um stretch mesh towed at depth of target ( trawl.catch trawl.list )

00jan/trawl2m - Wet weight, total length and sexual maturity of Antarctic krill from throughout the mesoscale Palmer LTER grid. ( totallength&wetweight )

00jan/xbt - Vertical temperature profiles using xbt's ( xbtedf )

00jan/xctd - Temperature and salinity vertical profiles using xctd's ( xctdedf )


0001pal/adbreed - Adelie Penguin breeding success and chronology studies during the 00-01 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods00 ckcnts00 flwts00 humpop00 repro00 )

0001pal/addemog - Adelie Penguin demography during the 00-01 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. Note that flipper banding of Adelie penguins was discontinued after the 98-99 season. As a result, the bandsxx.dat file for 00-01 is absent. ( census00 seen00 )

0001pal/adforage - Adelie Penguin diet studies during the 00-01 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet00 fish00 header00 krill00 prey00 )

0001pal/adtelem - Adelie Penguin telemetry studies during the 00-01 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telem00 telhdr00 )

0001pal/bioacoustics - ( acoCalib.000612 acoCalib.010619 event_bld.list )

0001pal/chn - Samples were taken from Go-Flo bottles and analyzed at the Marine Science Institute in Santa Barbara, CA for particulate organic carbon and nitrogen. ( pal0001.chn )

0001pal/krillgrowth - ( IGR IGR.details IGR.sum draftNov15.ppt draftbinhex )

0001pal/nutrientsdi - Samples taken from Go-Flo bottles and analyzed by the Marine Science Institute Analytical Laboratory in Santa Barbara, CA, using a Lachat QuickChem 800 Flow Injection Nutrient Analyzer. ( pal0001.nutrientsdi )

0001pal/pigmhplc - Samples taken from Go-Flo bottles and analyzed with HPLC for photosynthetic pigments. ( 0001pal.pigmhplc )

0001pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( pal0001.prprodsis )

0001pal/zodtrawl - Measurements of the length frequency distributions and condition factor measurements of the krill populations in the Palmer Basin region yield information on seasonal changes in the demographics of the krill population (on/offshore movements) and in the physiological condition of the krill. In conjunction with the bioacoustics determinations of biomass the data characterize the abundance and size character of krill in this nearshore region throughout the season. Krill are collected for these measurements by SCUBA divers and with a net towed from a zodiac. Zodiac trawls and dive operations are conducted in the immediate Palmer area within 3.7 km of the station (Palmer grid; Waters and Smith, 1992.) This data set contains a record of dives, zodiac trawls and dip nets to collect krill, and what was done with the catch. ( zodtrawl.list )

0001pal/optics - ( final raw )


01jan/bioacoustics - There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the annual January cruise. ( calib event_bld.list 01jan event_bld.list 01janpal )

01jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 00-01 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( lmg0101.censh lmg0101.censs lmg0101.censt )

01jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg0101.chl )

01jan/chn - Samples were taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould, and analyzed for particulate carbon and nitrogen. ( lmg0101.chn )

01jan/ctd - Temperature and salinity vertical profiles using a ctd ( BOT STD ctdCastList2001jan.dat s87 )

01jan/dic - ( lmg0101.dic )

01jan/krillgrowth - ( AIGR IGR.details IGR.sum )

01jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed by the Marine Science Institute Analytical Laboratory in Santa Barbara, CA, using a Lachat QuickChem 800 Flow Injection Nutrient Analyzer. ( lmg0101.nutrientsdi )

01jan/optics - ( final raw )

01jan/pigmhplc - Samples taken from rosette Go-Flo bottles and analyzed with HPLC for pigments. ( lmg0101.pigmhplc )

01jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0101.prprodsis )

01jan/trawlgen - ( trawl.catch trawl.list )

01jan/trawl2m - ( totallength&wetweight )

01jan/xbt - Vertical temperature profiles using xbt's ( xbtedf )

01jan/xctd - ( xctdedf )


0102pal/adbreed - Adelie Penguin breeding success and chronology studies during the 01-02 season. Data files describe the timing of arrival of breeding adults, per pair breeding chronology and reproductive success, the relative abundance of one and two chick broods, colony-specific chick production and chick fledging weights and departure patterns. ( broods01 ckcnts01 flwts01 humpop01 repro01 )

0102pal/addemog - Adelie Penguin demography during the 01-02 season. Data files record breeding population size and overwinter survival, all sightings of previously flipper banded penguins, and the number and sequence of flipper bands applied each season. Note that flipper banding of Adelie penguins was discontinued after the 98-99 season. As a result, the bandsxx.dat file for 01-02 is absent. ( census01 seen01 )

0102pal/adforage - Adelie Penguin diet studies during the 01-02 season on Torgersen Island. Data files describe general information associated with each sample, the number and weight of minor and major prey categories, the number and size of krill (Euphausia superba) and the number, size and species of fish in each sample. ( diet01 fish01 header01 krill01 prey01 )

0102pal/adtelem - Adelie Penguin telemetry studies during the 01-02 season on Humble Island. Files provide general information associated with each of the transmitters deployed and the presence or absence of instrumented birds at the breeding colonies. ( telhdr01 )

0102pal/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( pal0102.chl )

0102pal/chn - Samples were taken from Go-Flo bottles and analyzed at the Marine Science Institute in Santa Barbara, CA for particulate organic carbon and nitrogen. ( pal0102.chn )

0102pal/nutrientsdi - Samples taken from Go-Flo bottles and analyzed at Palmer Station, Antarctica using a Alpkem Flow Solutions IV segmented flow nutrient analyzer. ( pal0102.nutrientsdi )

0102pal/prprodsis - Watercolumn primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( pal0102.prprodsis )

0102pal/optics - ( final raw )

0102pal/krillgrowth - ( IGR IGR.details IGR.sum )


02jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 01-02 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( lmg0201.censh lmg0201.censs lmg0201.censt )

02jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg0201.chl )

02jan/chn - Samples were taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould and analyzed for particulate carbon and nitrogen. ( lmg0201.chn )

02jan/ctd - Temperature and salinity vertical profiles using a ctd ( BOT STD ctdCastList2002jan.dat s87 )

02jan/dic - ( lmg0201.dic )

02jan/krillgrowth - ( IGR IGR.details IGR.sum )

02jan/krillspawn - ( )

02jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed within 4 hours on board the LM Gould during the January LTER Cruise. All samples run on an ALPKEM Flow Solutions IV segmented flow nutrient analyzer. ( lmg0201.nutrientsdi )

02jan/optics - ( final raw )

02jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0201.prprodsis )

02jan/s97 - ( )

02jan/trawlgen - ( trawl.catch trawl.list )

02jan/trawl2m - Wet weight, total length and sexual maturity of Antarctic krill from throughout the mesoscale Palmer LTER grid. ( totallength_wetweight.csv )

02jan/xbt - ( XBTEDF )

02jan/xctd - ( XCTDEDF )


03jan/bacteria - ( lmg0301.bacteria )

03jan/brcensus - ( lmg0301.censh.TXT lmg0301.censt.TXT mg0301.censs.TXT )

03jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples collected by zodiac. ( lmg0301.chl )

03jan/chn - Samples were taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould and analyzed for particulate carbon and nitrogen. ( lmg0301.chn )

03jan/ctd - Vertical profiles of ocean data using a ctd ( BOT STD ctdCastList2003jan.dat s87 )

03jan/dic - ( lmg0301.dic )

03jan/doc - ( lmg0301.doc )

03jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed within 4 hours on board the LM Gould during the January LTER Cruise. Samples not run within 4 hours were frozen at -70 Celsius and run at a later date during the cruise. All samples run on an ALPKEM Flow Solutions IV segmented flow nutrient analyzer. ( lmg0301.nutrientsdi )

03jan/oxygen - ( lmg0301.oxygen.csv )

03jan/pigmhplc - Samples taken from rosette Go-Flo bottles and analyzed with HPLC for pigments. ( lmg0301.pigmhplc )

03jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0301.prprodsis )

03jan/trawlgen - ( trawl_catch03.csv trawl_list03.csv )

03jan/trawl2m - Wet weight, total length and sexual maturity of Antarctic krill from throughout the mesoscale Palmer LTER grid. ( totallengthandwetweight.csv )

03jan/xctd - ( xctdedf )


04jan/bacteria - ( lmg0401.bacteria )

04jan/bioacoustics - There were several types of bioacoustic transects conducted with a towed 120 kHz transducer (BioSonics) during the annual January cruise. A. at ship speed 2.0 to 2.5 kts 1) Discrete acoustic transects were done at each station simultaneously with the 2-M and 1-M net tows, for the 200.*, 300.*, 400.*, 500.* and 600.* cardinal lines, and the inshore stations. 2) Palmer nearshore transect A-E and F-J during the cruise. B. At ship speed 4.0 to 4.5 kts Continuous acoustic transects simultaneously with seabird observations over high density grid 1 as established in Jan 1995. ( event_bld_listdata.csv event_listnoise.csv )

04jan/brcensus - At-sea seabird censuses to determine abundance and distribution in the Palmer LTER marine grid between the 600 and 200 lines during the 03-04 season. The files provide general spatial and environmental data associated with both stationary and moving transects, and specific data on the species encountered (including marine mammals), their abundance, distribution and behavior. ( lmg0401.censh.TXT lmg0401.censs.TXT lmg0401.censt.TXT )

04jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg0401.chl )

04jan/ctd - Vertical profiles of ocean data using a ctd ( BOT STD ctdCastList2004jan.dat s87 )

04jan/dic - ( lmg0401.dic )

04jan/doc - ( lmg0401.doc )

04jan/krillgrowth - ( IGR_details.csv IGR_sum.csv IGRdata )

04jan/krillspawn - Spawning frequency and egg production experiments were conducted on board the Laurence M. Gould (04-01) in a flow-through aquarium at ambient temperature according to the method of Ross and Quetin (1983). These experiments yield estimates of spawning intensity, i.e. the percent of the females in the reproductive cycle spawning per day, and the interbrood period or interval between multiple batches of eggs. Measurements of embryo size and the batch volume are indices of individual reproductive output during the cruise. ( spawn_data spawn_details (2).csv spawn_details.csv spawn_sum.csv )

04jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed within 4 hours on board the LM Gould during the January LTER Cruise. Samples not run within 4 hours were frozen at -70 Celsius and run at a later date during the cruise. All samples run on an ALPKEM Flow Solutions IV segmented flow nutrient analyzer. ( lmg0401.nutrientsdi )

04jan/oxygen - ( lmg0401.oxygen )

04jan/pigmhplc - Samples taken from rosette Go-Flo bottles and analyzed with HPLC for pigments. ( lmg0401.pigmhplc )

04jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0401.prprodsis )

04jan/trawl2m - Wet weight, total length and sexual maturity of Antarctic krill from throughout the mesoscale Palmer LTER grid. ( krill_length_weight.csv )

04jan/trawlgen - ( trawl_catch.csv trawl_list.csv )


05jan/bacteria - ( lmg0501.bacteria )

05jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg0501.chl )

05jan/chn - Samples were taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould and analyzed for particulate carbon and nitrogen. ( lmg0501.chn )

05jan/ctd - Vertical profiles of ocean data using a ctd ( BOT STD ctdCastList2005jan.dat s87 )

05jan/dic - ( lmg0501.dic )

05jan/doc - ( lmg0501.doc )

05jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed within 4 hours on board the LM Gould during the January LTER Cruise. Samples not run within 4 hours were frozen at -70 Celsius and run at a later date during the cruise. All samples run on an ALPKEM Flow Solutions IV segmented flow nutrient analyzer. ( lmg0501.nutrientsdi )

05jan/oxygen - ( lmg0501.oxygen )

05jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0501.prprodsis )


06jan/bacteria - ( lmg0601.bacteria )

06jan/chl - Chlorophyll and phaeopigment from extracted fluorescence analysis of discrete bottle samples. ( lmg0601.chl )

06jan/chn - Samples were taken from Go-Flo bottles deployed from side of research vessel Laurence M. Gould and analyzed for particulate carbon and nitrogen. ( lmg0601.chn )

06jan/dic - ( lmg0601.dic )

06jan/doc - ( lmg0601.doc )

06jan/nutrientsdi - Samples taken from Go-Flo bottles and analyzed within 4 hours on board the LM Gould during the January LTER Cruise. Samples not run within 4 hours were frozen at -70 Celsius and run at a later date during the cruise. All samples run on an Lachat QuikChem 8000 Flow Injection Analysis nutrient analyzer. ( lmg0601.nutrientsdi )

06jan/oxygen - ( lmg0601.oxygen.csv )

06jan/pigmhplc - Samples taken from rosette Go-Flo bottles and analyzed with HPLC for pigments. ( lmg0601.pigmhplc )

06jan/prprodsis - Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators. ( lmg0601.prprodsis )