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Row Type Variable Name Attribute Name Data Type Value
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 mstukel at fsu.edu
attribute NC_GLOBAL contributor_name String Mike Stukel
attribute NC_GLOBAL contributor_role String 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 244
attribute NC_GLOBAL datazoo_datatable_id String 244
attribute NC_GLOBAL datazoo_datatable_label String Nitrate Uptake (Station)
attribute NC_GLOBAL datazoo_datatable_name String NitrateUptake
attribute NC_GLOBAL date_created String 2022-03-24T14:19:46Z
attribute NC_GLOBAL date_issued String 2022-03-24T14:19:46Z
attribute NC_GLOBAL doi String https://doi.org/10.6073/pasta/7969733d2e7da0f0bbf3fe30890a7ac5 (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_max double 65.0
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_244/dat_244_PAL1213.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 carbon, incubation, nitrate, oceans, water column
attribute NC_GLOBAL keywords_vocabulary String LTER Controlled Vocabulary
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 15NO3 uptake incubation: Samples (1.2-L) were collected from Go-Flo bottles at Station E near Palmer station at depths of 0, 5, 10, 20, and 65 meters, and immediately transferred to clear polycarbonate bottles.  Samples were then spiked with 1.2 micromoles 15-NO3 (prior to Dec. 9) or 0.6 micromoles (after Dec. 9).  Samples were incubated in an incubator maintained at seasurface temperature with flow-through seawater.  Individual bottles were screened with a mesh screening to light levels of 100% surface irradiance (0 m depth), 50% irradiance (5 m), 25% irradiance (10 m), 10% irradiance (20 m), and 0% irradiance (65 m).  After incubation samples were filtered through a pre-combusted 25-mm GF/F filter and frozen at -80C. Filters were later thawed, acidified, and cut in half before being analyzed by mass spec at the UC Davis Analytical Facility.  15NO3 uptake was calculated from final PN del15N, [PN], and concentration ambient using the equations in Dugdale & Wilkerson (1986)
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 /Users/kerfoot/data/lter/data/tsv/dat_244/dat_244_PAL1213.tsv
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 Nitrate uptake by the bulk phytoplankton community was determined using tracer (<10%) additions of labeled 15-NO3.  Samples were collected by Go-Flo from 5 depths 0, 5, 10, 20, 65 m and incubated for 24 h at light levels of 100%, 50%, 25%, 10%, and 0% surface irradiance, respectively.
attribute NC_GLOBAL time_coverage_end String 2013-03-21T11:25:00Z
attribute NC_GLOBAL time_coverage_start String 2012-10-31T12:20:00Z
attribute NC_GLOBAL title String Nitrate (15N) Uptake near Palmer Station, 2012-2013
variable study_name String
attribute study_name column_name String studyName
attribute study_name comment String Study name
attribute study_name ioos_category String Unknown
attribute study_name long_name String Study
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.351686E9, 1.3638651E9
attribute time axis String T
attribute time calendar String proleptic_gregorian
attribute time column_id long 4576
attribute time column_name String time
attribute time ioos_category String Time
attribute time long_name String Time
attribute time lter_column_description String Local (CLST) date
attribute time lter_column_name String 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 station String
attribute station column_id long 4575
attribute station column_name String col_4575
attribute station ioos_category String Identifier
attribute station long_name String Station
attribute station lter_column_description String Palmer LTER sampling grid station
attribute station lter_column_name String Station
attribute station lter_mscale String nominal
variable date double
attribute date column_id long 4576
attribute date column_name String col_4576
attribute date ioos_category String Time
attribute date long_name String Date
attribute date lter_column_description String Local (CLST) date
attribute date lter_column_name String Date
attribute date lter_mscale String dateTime
attribute date standard_name String time
attribute date time_origin String 01-JAN-1970 00:00:00
attribute date units String seconds since 1970-01-01T00:00:00Z
variable incubation_start_time double
attribute incubation_start_time column_id long 4577
attribute incubation_start_time column_name String col_4577
attribute incubation_start_time ioos_category String Time
attribute incubation_start_time long_name String Incubation Start Time
attribute incubation_start_time lter_column_description String Local (CLST) time, 24-hour clock
attribute incubation_start_time lter_column_name String Incubation Start Time
attribute incubation_start_time lter_mscale String dateTime
attribute incubation_start_time standard_name String time
attribute incubation_start_time time_origin String 01-JAN-1970 00:00:00
attribute incubation_start_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, 65.0
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 4578
attribute depth column_name String col_4578
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth lter_column_description String Sample depth
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 incubation_light_level double
attribute incubation_light_level _FillValue double 9.969209968386869E36
attribute incubation_light_level actual_range double 0.0, 1.0
attribute incubation_light_level column_id long 4579
attribute incubation_light_level column_name String col_4579
attribute incubation_light_level ioos_category String Unknown
attribute incubation_light_level long_name String Incubation Light Level
attribute incubation_light_level lter_column_description String Fraction Surface Irradiance
attribute incubation_light_level lter_column_name String Incubation Light Level
attribute incubation_light_level lter_mscale String ratio
attribute incubation_light_level lter_num_type String real
attribute incubation_light_level lter_units String num/num
attribute incubation_light_level lter_units_string String numberPerNumber
attribute incubation_light_level units_conventions String CCE-LTER
variable nitrate double
attribute nitrate _FillValue double 9.969209968386869E36
attribute nitrate actual_range double 6.996, 32.767
attribute nitrate colorBarMaximum double 50.0
attribute nitrate colorBarMinimum double 0.0
attribute nitrate column_id long 4580
attribute nitrate column_name String col_4580
attribute nitrate ioos_category String Dissolved Nutrients
attribute nitrate long_name String Mole Concentration Of Nitrate In Sea Water
attribute nitrate lter_column_description String Nitrate
attribute nitrate lter_column_name String Nitrate
attribute nitrate lter_mscale String ratio
attribute nitrate lter_num_type String real
attribute nitrate lter_units String µmol/L
attribute nitrate lter_units_string String micromolePerLiter
attribute nitrate standard_name String mole_concentration_of_nitrate_in_sea_water
attribute nitrate units String micromoles L-1
attribute nitrate units_conventions String HFR-LTER,PAL-LTER,PIE-LTER
variable nitrate_uptake double
attribute nitrate_uptake _FillValue double 9.969209968386869E36
attribute nitrate_uptake actual_range double 7.695E-4, 6.098400181
attribute nitrate_uptake colorBarMaximum double 50.0
attribute nitrate_uptake colorBarMinimum double 0.0
attribute nitrate_uptake column_id long 4581
attribute nitrate_uptake column_name String col_4581
attribute nitrate_uptake ioos_category String Dissolved Nutrients
attribute nitrate_uptake long_name String Mole Concentration Of Nitrate In Sea Water
attribute nitrate_uptake lter_column_description String Uptake of dissolved NO3 by phytoplankton
attribute nitrate_uptake lter_column_name String Nitrate Uptake
attribute nitrate_uptake lter_mscale String ratio
attribute nitrate_uptake lter_num_type String real
attribute nitrate_uptake lter_units String µmol/L/day
attribute nitrate_uptake lter_units_string String micromolePerLiterPerDay
attribute nitrate_uptake standard_name String mole_concentration_of_nitrate_in_sea_water
attribute nitrate_uptake units String micromoles L-1 day-1
attribute nitrate_uptake units_conventions String PAL-LTER

 
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