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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 TimeSeries
attribute NC_GLOBAL cdm_timeseries_variables String study_name
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 oscar@marine.rutgers.edu,mvernet@ucsd.edu
attribute NC_GLOBAL contributor_name String Oscar Schofield,Maria Vernet
attribute NC_GLOBAL contributor_role String 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 127
attribute NC_GLOBAL datazoo_datatable_id String 127
attribute NC_GLOBAL datazoo_datatable_label String Primary Production (Station)
attribute NC_GLOBAL datazoo_datatable_name String PrimaryProduction
attribute NC_GLOBAL date_created String 2021-09-13T22:50:19Z
attribute NC_GLOBAL date_issued String 2021-09-13T22:50:19Z
attribute NC_GLOBAL defaultDataQuery String null
attribute NC_GLOBAL doi String https://doi.org/10.6073/pasta/ebcb487ac6f6c616f0230216367991ef (external link)
attribute NC_GLOBAL Easternmost_Easting double -64.0
attribute NC_GLOBAL featureType String TimeSeries
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_bounds_vertical_crs String EPSG:5831
attribute NC_GLOBAL geospatial_lat_max double -64.0
attribute NC_GLOBAL geospatial_lat_min double -64.9329666666667
attribute NC_GLOBAL geospatial_lat_resolution String 0.00001 degree
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -64.0
attribute NC_GLOBAL geospatial_lon_min double -65.0721833333333
attribute NC_GLOBAL geospatial_lon_resolution String 0.00001 degree
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 95.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL history String /Users/kerfoot/data/lter/data/tsv/dat_127/dat_127_PAL9900.tsv
attribute NC_GLOBAL infoUrl String https://pal.lternet.edu/ (external link)
attribute NC_GLOBAL institution String National Science Foundation
attribute NC_GLOBAL keywords String habitats, marine, oceans, Primary Production, primary production, productivity
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 Frequency: Intended twice per week from October to April for each year.  No sampling was performed during the January LTER cruises.
attribute NC_GLOBAL naming_authority String edu.rutgers.rucool
attribute NC_GLOBAL Northernmost_Northing double -64.0
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 /Users/kerfoot/data/lter/data/tsv/dat_127/dat_127_PAL1011.tsv
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -64.9329666666667
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v77
attribute NC_GLOBAL subsetVariables String study_name, event
attribute NC_GLOBAL summary String Primary Production experiments were led by Vernet from the 1994-1995 season through the 2006-2007 season. Schofield is the current lead, beginning in the 2009-2010 season. Methods have been kept consistent as much as possible over the full time series and different Principal Investigators. Primary production is the uptake of inorganic carbon and assimilation of it into organic matter by phytoplankton. Primary production rates, expressed as mgC per m3 per day were measured by the uptake of radioactive (14C) sodium bicarbonate. Water samples are collected throughout the water column at stations within the Palmer LTER region (primarily B and E, to 50m and 65m respectively). Water is put into borosilicate bottles, inoculated with 1 uCi of NaH14CO3 per bottle, and incubated in an outdoor deck incubator. The incubator is plumbed to the Palmer Station sea water system to maintain ambient seawater temperature and bottles are screened to in situ light levels. The uptake of 14C-bicarbonate by the phytoplankton was measured in a scintillation counter after a 24-hour incubation period..Primary Production experiments were led by Vernet from the 1994-1995 season through the 2006-2007 season. Schofield is the current lead, beginning in the 2009-2010 season. Methods have been kept consistent as much as possible over the full time series and different Principal Investigators. Primary production is the uptake of inorganic carbon and assimilation of it into organic matter by phytoplankton. Primary production rates, expressed as mgC per m3 per day were measured by the uptake of radioactive (14C) sodium bicarbonate. Water samples are collected throughout the water column at stations within the Palmer LTER region (primarily B and E, to 50m and 65m respectively). Water is put into borosilicate bottles, inoculated with 1 uCi of NaH14CO3 per bottle, and incubated in an outdoor deck incubator. The incubator is plumbed to the Palmer Station sea water system to maintain ambient seawater temperature and bottles are screened to in situ light levels. The uptake of 14C-bicarbonate by the phytoplankton was measured in a scintillation counter after a 24-hour incubation period.
attribute NC_GLOBAL time_coverage_end String 2019-03-25T00:00:00Z
attribute NC_GLOBAL time_coverage_start String 1994-11-22T13:15:00Z
attribute NC_GLOBAL title String Water column primary production from inorganic carbon uptake for 24h at simulated in situ light levels in deck incubators, collected at Palmer Station Antarctica during Palmer LTER field seasons, 1994 - 2019.\\n
attribute NC_GLOBAL Westernmost_Easting double -65.0721833333333
variable study_name String
attribute study_name cf_role String timeseries_id
attribute study_name column_name String studyName
attribute study_name comment String Study name
attribute study_name ioos_category String Identifier
attribute study_name long_name String Study
variable event short
attribute event _FillValue short 32767
attribute event actual_range short 1, 388
attribute event column_id long 3856
attribute event column_name String col_3856
attribute event ioos_category String Unknown
attribute event long_name String Event
attribute event lter_column_description String sequence of cruise happenings ordered by time
attribute event lter_column_name String Event Number
attribute event lter_mscale String interval
attribute event lter_num_type String real
attribute event lter_units_string String number
attribute event 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 7.855101E8, 1.553472E9
attribute time axis String T
attribute time calendar String proleptic_gregorian
attribute time column_id long 1928
attribute time column_name String col_1928
attribute time ioos_category String Time
attribute time long_name String Time
attribute time lter_column_description String date and time
attribute time lter_column_name String Datetime GMT
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 depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double 9.969209968386869E36
attribute depth actual_range double 0.0, 95.0
attribute depth axis String Z
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth column_id long 1934
attribute depth column_name String col_1934
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth lter_column_description String measurement or sample collection distance from water column surface
attribute depth lter_column_name String Depth
attribute depth lter_mscale String ratio
attribute depth lter_num_type String real
attribute depth lter_units String m
attribute depth lter_units_string String meter
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
attribute depth units_conventions String AND-LTER,BNZ-LTER,CDR-LTER,EML-2.0.1,EML-2.1.0,EML-LTER,LUQ-LTER,SGS-LTER
variable latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double 9.969209968386869E36
attribute latitude actual_range double -64.9329666666667, -64.0
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude column_id long 1929
attribute latitude column_name String col_1929
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude lter_column_description String latitude measured from the equator in decimal degrees, South is negative
attribute latitude lter_column_name String Latitude dec. deg.
attribute latitude lter_mscale String ratio
attribute latitude lter_num_type String real
attribute latitude lter_units String º
attribute latitude lter_units_string String degree
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
attribute latitude units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable longitude double
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double 9.969209968386869E36
attribute longitude actual_range double -65.0721833333333, -64.0
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude column_id long 1930
attribute longitude column_name String col_1930
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude lter_column_description String longitude measured from the Prime Meridian in decimal degrees, West is negative
attribute longitude lter_column_name String Longitude dec. deg.
attribute longitude lter_mscale String ratio
attribute longitude lter_num_type String real
attribute longitude lter_units String º
attribute longitude lter_units_string String degree
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
attribute longitude units_conventions String EML-2.0.1,EML-2.1.0,EML-LTER
variable julian_day short
attribute julian_day _FillValue short 32767
attribute julian_day actual_range short 1, 366
attribute julian_day column_id long 1931
attribute julian_day column_name String col_1931
attribute julian_day ioos_category String Time
attribute julian_day long_name String Julian Day
attribute julian_day lter_column_description String julian day of measurement
attribute julian_day lter_column_name String Julian day
attribute julian_day lter_mscale String nominal
variable station String
attribute station column_id long 1932
attribute station column_name String col_1932
attribute station ioos_category String Identifier
attribute station long_name String Station
attribute station lter_column_description String Palmer LTER grid station
attribute station lter_column_name String Station name
attribute station lter_mscale String nominal
variable percent_irradiance long
attribute percent_irradiance _FillValue long 9223372036854775807
attribute percent_irradiance actual_range long 0, 100
attribute percent_irradiance colorBarMaximum double 100.0
attribute percent_irradiance colorBarMinimum double 0.0
attribute percent_irradiance column_id long 1933
attribute percent_irradiance column_name String col_1933
attribute percent_irradiance ioos_category String Unknown
attribute percent_irradiance long_name String Percent Irradiance
attribute percent_irradiance lter_column_description String The ratio of two light measurements incident on horizontal surfaces at two locations.
attribute percent_irradiance lter_column_name String Percent_Irradiance
attribute percent_irradiance lter_mscale String ratio
attribute percent_irradiance lter_num_type String real
attribute percent_irradiance lter_units String %
attribute percent_irradiance lter_units_string String percent
attribute percent_irradiance units String percent
attribute percent_irradiance units_conventions String BNZ-LTER,CAP-LTER,CDR-LTER,FCE-LTER,GCE-LTER,HBR-LTER,KNZ-LTER,MCM-LTER,NTL-LTER,NWT-LTER,PAL-LTER,PIE-LTER,SGS-LTER
variable primary_production_stdev double
attribute primary_production_stdev _FillValue double 9.969209968386869E36
attribute primary_production_stdev actual_range double -3.40919148995893, 2393.31462458588
attribute primary_production_stdev column_id long 1935
attribute primary_production_stdev column_name String col_1935
attribute primary_production_stdev ioos_category String Time
attribute primary_production_stdev long_name String Primary Production Stdev
attribute primary_production_stdev lter_column_description String Uptake rate of carbon {primary production}
attribute primary_production_stdev lter_column_name String Primary Prod.
attribute primary_production_stdev lter_mscale String ratio
attribute primary_production_stdev lter_num_type String real
attribute primary_production_stdev lter_units String mg/m³/day
attribute primary_production_stdev lter_units_string String milligramPerMeterCubedPerDay
attribute primary_production_stdev units String mg m-3 day-1
attribute primary_production_stdev units_conventions String PAL-LTER
variable primary_producition double
attribute primary_producition _FillValue double 9.969209968386869E36
attribute primary_producition actual_range double 0.0, 2981.6073691951
attribute primary_producition column_id long 1936
attribute primary_producition column_name String col_1936
attribute primary_producition ioos_category String Time
attribute primary_producition long_name String Primary Producition
attribute primary_producition lter_column_description String Uptake rate standard deviation of carbon {primary production}
attribute primary_producition lter_column_name String Prim Prod STD
attribute primary_producition lter_mscale String ratio
attribute primary_producition lter_num_type String real
attribute primary_producition lter_units String mg/m³/day
attribute primary_producition lter_units_string String milligramPerMeterCubedPerDay
attribute primary_producition units String mg m-3 day-1
attribute primary_producition units_conventions String PAL-LTER
variable notes String
attribute notes column_id long 1937
attribute notes column_name String col_1937
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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