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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=1|netcdflibversion=4.6.1|hdf5libversion=1.10.6
attribute NC_GLOBAL acknowledgement String Funding and support provided by the National Science Foundation
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String The Palmer, Antarctica, Long-Term Ecological Research project is a member site of the Long-Term Ecological Research program, a network of sites investigating diverse biomes.  A team of researchers seeks to understand the structure and function of the Western Antarctic Peninsula's marine and terrestrial ecosystems in the context of seasonal-to-interannual atmospheric and sea ice dynamics, as well as long-term climate change. The PAL measurement system (or grid) is designed to study marine and terrestrial food webs consisting principally of diatom primary producers, the dominant herbivore Antarctic krill, and the apex predator Adelie penguin. An attenuated microbial food web is also a focus. PAL studies these ecosystems annually over a regional scale grid of oceanographic stations and seasonally at Palmer Station. \\n\\nPalmer Station is located on Anvers Island west of the Antarctic Peninula. The peninsula runs perpendicular to a strong climatic gradient between the cold, dry continental regime to the south, characteristic of the Antarctic interior, and the warm, moist, maritime regime to the north. North-south shifts in the gradient give rise to large environmental variability to climate change. Sea ice extent and variability affects ecosystem changes at all trophic levels.  In addition to the long-term field and research activities, information management, graduate student training,  education and outreach are an integral part of the program.
attribute NC_GLOBAL contributor_email String hducklow@ldeo.columbia.edu,sharon.stammerjohn@colorado.edu,dkarl@hawaii.edu,chriscarri@yahoo.com
attribute NC_GLOBAL contributor_name String Hugh Ducklow,Sharon Stammerjohn,David Karl,Christopher Carrillo
attribute NC_GLOBAL contributor_role String PrincipalInvestigator,PrincipalInvestigator,PrincipalInvestigator,PrincipalInvestigator
attribute NC_GLOBAL contributor_role_vocabulary String https://vocab.nerc.ac.uk/collection/G04/current/ (external link)
attribute NC_GLOBAL Conventions String CF-1.8, ACDD-1.3, COARDS
attribute NC_GLOBAL creator_country String USA
attribute NC_GLOBAL creator_email String kerfoot at marine.rutgers.edu
attribute NC_GLOBAL creator_institution String Rutgers University
attribute NC_GLOBAL creator_name String John Kerfoot
attribute NC_GLOBAL creator_sector String academic
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String https://rucool.marine.rutgers.edu (external link)
attribute NC_GLOBAL datazoo_dataset_id String 26
attribute NC_GLOBAL datazoo_datatable_id String 26
attribute NC_GLOBAL datazoo_datatable_label String Offshore Sediment Trap Fluxes
attribute NC_GLOBAL datazoo_datatable_name String OffshoreSedimentTrapFluxes
attribute NC_GLOBAL date_created String 2021-08-04T18:17:56Z
attribute NC_GLOBAL date_issued String 2021-08-04T18:17:56Z
attribute NC_GLOBAL defaultDataQuery String null
attribute NC_GLOBAL defaultGraphQuery String time,carbon_flux&.draw=markers&.marker=6%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff&.yRange=0%7C%7Ctrue%7C
attribute NC_GLOBAL doi String https://doi.org/10.6073/pasta/c0a2d3a87876ff3baddad20343b6483d (external link)
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_bounds_vertical_crs String EPSG:5831
attribute NC_GLOBAL geospatial_lat_resolution String 0.00001 degree
attribute NC_GLOBAL geospatial_lat_units String degree_north
attribute NC_GLOBAL geospatial_lon_resolution String 0.00001 degree
attribute NC_GLOBAL geospatial_lon_units String degree_east
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String EPSG:5831
attribute NC_GLOBAL history String local files
attribute NC_GLOBAL infoUrl String https://pal.lternet.edu/ (external link)
attribute NC_GLOBAL institution String National Science Foundation
attribute NC_GLOBAL keywords String carbon flux, nitrogen flux, Organic Matter, organic matter, particulate organic carbon, sediments, Signature
attribute NC_GLOBAL keywords_vocabulary String LTER Controlled Vocabulary,LTER Core Areas
attribute NC_GLOBAL license String All data contained herein is licensed under the LTER Network Data Access Policy (https://lternet.edu/data-access-policy/) (external link). In accordance with scientific publishing conventions and professional etiquette, the consumer of these data (the \"Data User\") is expected to appropriately cite these data in any publication that results from their use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur and should realize that misinterpretation of data may occur if used out of context of the original study. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the data authors. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available \"as is.\" The Data User should be aware that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data.
attribute NC_GLOBAL license_link String https://lternet.edu/data-access-policy/ (external link)
attribute NC_GLOBAL methods String Samping Methods: Palmer LTER deploys a McLane Mark IV PARFLUX 21H sediment trap. This is the same design and deployment protocol employed by the former US JGOFS Time Series sites at Bermuda in the Ocean Flux Program (http://ecosystems.mbl.edu/conte/ofp/)\\t (external link)
attribute NC_GLOBAL naming_authority String edu.rutgers.rucool
attribute NC_GLOBAL product_version String 1.0
attribute NC_GLOBAL program String LTER
attribute NC_GLOBAL project String Palmer LTER
attribute NC_GLOBAL publisher_country String USA
attribute NC_GLOBAL publisher_email String kerfoot at marine.rutgers.edu
attribute NC_GLOBAL publisher_institution String Rutgers University
attribute NC_GLOBAL publisher_name String John Kerfoot
attribute NC_GLOBAL publisher_type String person
attribute NC_GLOBAL publisher_url String https://rucool.marine.rutgers.edu (external link)
attribute NC_GLOBAL references String https://pal.lternet.edu/ (external link)
attribute NC_GLOBAL sea_name String Southern Ocean
attribute NC_GLOBAL source String local files
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v77
attribute NC_GLOBAL subsetVariables String study_name
attribute NC_GLOBAL summary String Particulate organic matter is exported from the upper ocean euphotic zone in the form of large sinking particles and as dissolved material. Particle fluxes to depth link the surface and mesopelagic realm and supply food to the benthos. Sedimentation flux is typically measured with sediment traps of various designs. Palmer LTER has deployed a time-series trap near 64.5degrees S, 66.0degrees W since late 1992. The trap is moored in 300 m depth and collects sinking particles at 150 m. Deployments and analyses were performed by David Karl, University of Hawaii until 2002 when Hugh Ducklow took over the sediment trap operations.Sedimentation at the PAL site of the West Antarctic Peninsula demonstrates extreme seasonality, with a well-defined pulse in the Austral summer following sea ice retreat. Daily sedimentation rates during the summer flux event are among the highest recorded globally. During the Austral winter when the ocean is covered by sea ice and shrouded in darkness, fluxes are among the lowest observed anywhere. Sedimentation rates at PAL typically vary by 4 orders of magnitude. There is also order of magnitude variability in the total annual flux (area under the curve)..Particulate organic matter is exported from the upper ocean euphotic zone in the form of large sinking particles and as dissolved material. Particle fluxes to depth link the surface and mesopelagic realm and supply food to the benthos. Sedimentation flux is typically measured with sediment traps of various designs. Palmer LTER has deployed a time-series trap near 64.5degrees S, 66.0degrees W since late 1992. The trap is moored in 300 m depth and collects sinking particles at 150 m. Deployments and analyses were performed by David Karl, University of Hawaii until 2002 when Hugh Ducklow took over the sediment trap operations.Sedimentation at the PAL site of the West Antarctic Peninsula demonstrates extreme seasonality, with a well-defined pulse in the Austral summer following sea ice retreat. Daily sedimentation rates during the summer flux event are among the highest recorded globally. During the Austral winter when the ocean is covered by sea ice and shrouded in darkness, fluxes are among the lowest observed anywhere. Sedimentation rates at PAL typically vary by 4 orders of magnitude. There is also order of magnitude variability in the total annual flux (area under the curve)..Particulate organic matter is exported from the upper ocean euphotic zone in the form of large sinking particles and as dissolved material. Particle fluxes to depth link the surface and mesopelagic realm and supply food to the benthos. Sedimentation flux is typically measured with sediment traps of various designs. Palmer LTER has deployed a time-series trap near 64.5degrees S, 66.0degrees W since late 1992. The trap is moored in 300 m depth and collects sinking particles at 150 m. Deployments and analyses were performed by David Karl, University of Hawaii until 2002 when Hugh Ducklow took over the sediment trap operations.Sedimentation at the PAL site of the West Antarctic Peninsula demonstrates extreme seasonality, with a well-defined pulse in the Austral summer following sea ice retreat. Daily sedimentation rates during the summer flux event are among the highest recorded globally. During the Austral winter when the ocean is covered by sea ice and shrouded in darkness, fluxes are among the lowest observed anywhere. Sedimentation rates at PAL typically vary by 4 orders of magnitude. There is also order of magnitude variability in the total annual flux (area under the curve).
attribute NC_GLOBAL time_coverage_end String 2013-01-27T00:00:00Z
attribute NC_GLOBAL time_coverage_start String 1992-11-10T00:00:00Z
attribute NC_GLOBAL title String Vertical fluxes of particulate carbon, nitrogen and phosphorus from a sediment trap deployed west of Palmer Station, Antarctica at a depth of 170 meters, 1992-present.
variable study_name String
attribute study_name column_name String studyName
attribute study_name comment String Cruise name
attribute study_name ioos_category String Identifier
attribute study_name long_name String Study
variable record_number short
attribute record_number _FillValue short 32767
attribute record_number actual_range short 1, 427
attribute record_number colorBarMaximum double 100.0
attribute record_number colorBarMinimum double 0.0
attribute record_number column_id long 306
attribute record_number column_name String col_306
attribute record_number ioos_category String Statistics
attribute record_number long_name String Record Number
attribute record_number lter_column_description String record number of a sampling event
attribute record_number lter_column_name String Record
attribute record_number lter_mscale String interval
attribute record_number lter_num_type String natural
attribute record_number lter_units_string String number
attribute record_number units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable deployment_number short
attribute deployment_number _FillValue short 32767
attribute deployment_number actual_range short 1, 21
attribute deployment_number colorBarMaximum double 100.0
attribute deployment_number colorBarMinimum double 0.0
attribute deployment_number column_id long 307
attribute deployment_number column_name String col_307
attribute deployment_number ioos_category String Statistics
attribute deployment_number long_name String Deployment Number
attribute deployment_number lter_column_description String deployment number
attribute deployment_number lter_column_name String Deployment
attribute deployment_number lter_mscale String interval
attribute deployment_number lter_num_type String natural
attribute deployment_number lter_units_string String number
attribute deployment_number units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 7.213536E8, 1.3592448E9
attribute time axis String T
attribute time calendar String proleptic_gregorian
attribute time column_id long 313
attribute time column_name String col_313
attribute time ioos_category String Time
attribute time long_name String Time
attribute time lter_column_description String date in GMT
attribute time lter_column_name String Mid-date
attribute time lter_mscale String dateTime
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable start_date double
attribute start_date actual_range double 7.210944E8, 1.3589856E9
attribute start_date calendar String proleptic_gregorian
attribute start_date column_id long 310
attribute start_date column_name String col_310
attribute start_date ioos_category String Time
attribute start_date long_name String Start Date
attribute start_date lter_column_description String date in GMT
attribute start_date lter_column_name String Start Date
attribute start_date lter_mscale String dateTime
attribute start_date standard_name String time
attribute start_date time_origin String 01-JAN-1970 00:00:00
attribute start_date units String seconds since 1970-01-01T00:00:00Z
variable end_date double
attribute end_date actual_range double 7.216992E8, 1.3595904E9
attribute end_date calendar String proleptic_gregorian
attribute end_date column_id long 311
attribute end_date column_name String col_311
attribute end_date ioos_category String Time
attribute end_date long_name String End Date
attribute end_date lter_column_description String date in GMT
attribute end_date lter_column_name String End Date
attribute end_date lter_mscale String dateTime
attribute end_date standard_name String time
attribute end_date time_origin String 01-JAN-1970 00:00:00
attribute end_date units String seconds since 1970-01-01T00:00:00Z
variable trap_id byte
attribute trap_id _FillValue byte 127
attribute trap_id actual_range byte 1, 4
attribute trap_id column_id long 308
attribute trap_id column_name String col_308
attribute trap_id ioos_category String Identifier
attribute trap_id long_name String Trap Id
attribute trap_id lter_column_description String identification number of sediment trap cup
attribute trap_id lter_column_name String Trap
attribute trap_id lter_mscale String interval
attribute trap_id lter_num_type String integer
attribute trap_id lter_units_string String number
attribute trap_id units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable cup_number byte
attribute cup_number _FillValue byte 127
attribute cup_number actual_range byte 1, 21
attribute cup_number colorBarMaximum double 100.0
attribute cup_number colorBarMinimum double 0.0
attribute cup_number column_id long 309
attribute cup_number column_name String col_309
attribute cup_number ioos_category String Statistics
attribute cup_number long_name String Cup Number
attribute cup_number lter_column_description String identification number of sediment trap cup
attribute cup_number lter_column_name String Cup
attribute cup_number lter_mscale String interval
attribute cup_number lter_num_type String natural
attribute cup_number lter_units_string String number
attribute cup_number units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable duration double
attribute duration _FillValue double 9.969209968386869E36
attribute duration actual_range double 4.0, 92.0
attribute duration column_id long 312
attribute duration column_name String col_312
attribute duration ioos_category String Unknown
attribute duration long_name String Duration
attribute duration lter_column_description String measure of the passing of time
attribute duration lter_column_name String Duration
attribute duration lter_mscale String ratio
attribute duration lter_num_type String natural
attribute duration lter_units_string String nominalDay
attribute duration units_conventions String AND-LTER,EML-2.0.1,EML-2.1.0,EML-LTER,SGS-LTER
variable carbon_flux double
attribute carbon_flux _FillValue double 9.969209968386869E36
attribute carbon_flux actual_range double -9998.0, 123.69
attribute carbon_flux column_id long 314
attribute carbon_flux column_name String col_314
attribute carbon_flux ioos_category String CO2
attribute carbon_flux long_name String Carbon Flux
attribute carbon_flux lter_column_description String a non-metallic element in the Periodic Table with Atomic Number 6, Atomic Weight 12.0107
attribute carbon_flux lter_column_name String Carbon Flux
attribute carbon_flux lter_mscale String ratio
attribute carbon_flux lter_num_type String real
attribute carbon_flux lter_units String mg/m²/day
attribute carbon_flux lter_units_string String milligramPerMeterSquaredPerDay
attribute carbon_flux units String mg m-2 day-1
attribute carbon_flux units_conventions String HFR-LTER,PAL-LTER,SBC-LTER
variable nitrogen_flux double
attribute nitrogen_flux _FillValue double 9.969209968386869E36
attribute nitrogen_flux actual_range double -9998.0, 15.9
attribute nitrogen_flux column_id long 315
attribute nitrogen_flux column_name String col_315
attribute nitrogen_flux ioos_category String Time
attribute nitrogen_flux long_name String Nitrogen Flux
attribute nitrogen_flux lter_column_description String non-metallic element in the Periodic Table with Atomic Number 7, Atomic Weight 14.0067
attribute nitrogen_flux lter_column_name String Nitrogen Flux
attribute nitrogen_flux lter_mscale String ratio
attribute nitrogen_flux lter_num_type String real
attribute nitrogen_flux lter_units String mg/m²/day
attribute nitrogen_flux lter_units_string String milligramPerMeterSquaredPerDay
attribute nitrogen_flux units String mg m-2 day-1
attribute nitrogen_flux units_conventions String HFR-LTER,PAL-LTER,SBC-LTER
variable phosphorous_flux double
attribute phosphorous_flux _FillValue double 9.969209968386869E36
attribute phosphorous_flux actual_range double -9998.0, 1.17
attribute phosphorous_flux column_id long 316
attribute phosphorous_flux column_name String col_316
attribute phosphorous_flux ioos_category String Time
attribute phosphorous_flux long_name String Phosphorous Flux
attribute phosphorous_flux lter_column_description String a non-metallic element in the Periodic Table with Atomic Number 15, Atomic Weight 30.973762
attribute phosphorous_flux lter_column_name String Phosphorus Flux
attribute phosphorous_flux lter_mscale String ratio
attribute phosphorous_flux lter_num_type String real
attribute phosphorous_flux lter_units String mg/m²/day
attribute phosphorous_flux lter_units_string String milligramPerMeterSquaredPerDay
attribute phosphorous_flux units String mg m-2 day-1
attribute phosphorous_flux units_conventions String HFR-LTER,PAL-LTER,SBC-LTER
variable notes String
attribute notes column_id long 3855
attribute notes column_name String col_3855
attribute notes ioos_category String Unknown
attribute notes long_name String Notes
attribute notes lter_column_description String text field to describe a log entry (ex. event log)
attribute notes lter_column_name String Notes
attribute notes lter_mscale String nominal

 
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