BCO-DMO ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt
attribute NC_GLOBAL acquisition_description String Seawater samples were collected aboard the R/V S.A. Agulhas II (from CTD\nNiskin bottles and the underway intake) and immediately frozen at\n\\u221220\\u00b0C until analysis. Hydrographic data for each profile station\nwere acquired from a conductivity-temperature depth (CTD) sensor mounted on\nthe Niskin bottle rosette.\n \nAn aliquot of each seawater sample was treated with sulfamic acid to remove\nnitrite (Granger & Sigman, 2009). Both nitrate+nitrite and nitrate-only\nsamples were measured for concentration by chemiluminescence (Braman &\nHendrix, 1989) and isotope composition using the denitrifier method (Sigman et\nal., 2001). Briefly, sample nitrate or nitrate+nitrite is converted to\nN\\u2082O gas by denitrifying bacteria and measured for N isotope composition\nby GC-IRMS with an on-line N\\u2082O extraction and purification system (Sigman\net al., 2001; Casciotti et al., 2002; Weigand et al., 2016). The pooled\nstandard deviations (1\\u03c3) of replicate denitrifier measurements was\n0.09\\u2030 for nitrate+nitrite \\u03b4\\u00b9\\u2075N and 0.06\\u2030 for nitrate-\nonly \\u03b4\\u00b9\\u2075N.\n \nHydrographic profiles were acquired by a Sea-Bird conductivity-temperature\ndepth sensor during each cast. The isotopic composition of N\\u2082O was\nmeasured at Princeton University by GC-IRMS using a Thermo MAT 253 mass\nspectrometer with a purpose-built on-line N\\u2082O extraction and purification\nsystem.\n \nSee methods section of Smart et al. (2020) for more detail.
attribute NC_GLOBAL awards_0_award_nid String 557249
attribute NC_GLOBAL awards_0_award_number String PLR-1401489
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1401489 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Polar Programs
attribute NC_GLOBAL awards_0_funding_acronym String NSF PLR
attribute NC_GLOBAL awards_0_funding_source_nid String 490497
attribute NC_GLOBAL awards_0_program_manager String Dr Mark Kurz
attribute NC_GLOBAL awards_0_program_manager_nid String 557248
attribute NC_GLOBAL awards_1_award_nid String 558188
attribute NC_GLOBAL awards_1_award_number String OCE-1060947
attribute NC_GLOBAL awards_1_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1060947 (external link)
attribute NC_GLOBAL awards_1_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_1_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_1_funding_source_nid String 355
attribute NC_GLOBAL awards_1_program_manager String Henrietta N Edmonds
attribute NC_GLOBAL awards_1_program_manager_nid String 51517
attribute NC_GLOBAL awards_2_award_nid String 788981
attribute NC_GLOBAL awards_2_award_number String OCE-0922345
attribute NC_GLOBAL awards_2_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0922345 (external link)
attribute NC_GLOBAL awards_2_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_2_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_2_funding_source_nid String 355
attribute NC_GLOBAL awards_2_program_manager String Kandace  S Binkley
attribute NC_GLOBAL awards_2_program_manager_nid String 51512
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Nitrate+nitrite and nitrate-only d15N from the Southern Ocean \n  PI: Daniel M. Sigman (Princeton) \n  Contact: Sandi Smart (Stellenbosch University & The Max Planck Institute for Chemistry) \n  Version date: 06 March 2020
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3  19 Dec 2019
attribute NC_GLOBAL date_created String 2020-03-06T20:20:22Z
attribute NC_GLOBAL date_modified String 2020-03-12T18:48:18Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.805546.1
attribute NC_GLOBAL Easternmost_Easting double 38.4987
attribute NC_GLOBAL geospatial_lat_max double -39.4109
attribute NC_GLOBAL geospatial_lat_min double -54.0003
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 38.4987
attribute NC_GLOBAL geospatial_lon_min double 2.0E-4
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 4417.113
attribute NC_GLOBAL geospatial_vertical_min double 4.421
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/805546 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Niskin bottle
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 805578
attribute NC_GLOBAL instruments_0_description String A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends.  The bottles can be attached individually on a hydrowire or deployed in 12, 24 or 36 bottle Rosette systems mounted on a frame and combined with a CTD.  Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Niskin bottle
attribute NC_GLOBAL instruments_0_instrument_nid String 413
attribute NC_GLOBAL instruments_0_supplied_name String CTD Niskin bottles
attribute NC_GLOBAL instruments_1_acronym String CTD Sea-Bird
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 805576
attribute NC_GLOBAL instruments_1_description String Conductivity, Temperature, Depth (CTD) sensor package from SeaBird Electronics, no specific unit identified. This instrument designation is used when specific make and model are not known. See also other SeaBird instruments listed under CTD. More information from Sea-Bird Electronics.
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/130/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String CTD Sea-Bird
attribute NC_GLOBAL instruments_1_instrument_nid String 447
attribute NC_GLOBAL instruments_1_supplied_name String Sea-Bird conductivity-temperature depth sensor
attribute NC_GLOBAL instruments_2_acronym String IR Mass Spec
attribute NC_GLOBAL instruments_2_dataset_instrument_nid String 805577
attribute NC_GLOBAL instruments_2_description String The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).
attribute NC_GLOBAL instruments_2_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB16/ (external link)
attribute NC_GLOBAL instruments_2_instrument_name String Isotope-ratio Mass Spectrometer
attribute NC_GLOBAL instruments_2_instrument_nid String 469
attribute NC_GLOBAL instruments_2_supplied_name String Thermo MAT 253
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, calc, chemical, chemistry, conc, conc_avg_nitrate, conc_avg_nitrate_nitrite, conc_n_nitrate, conc_n_nitrate_nitrite, conc_stdev_nitrate, conc_stdev_nitrate_nitrite, concentration, conductivity, cruise, ctd, d15, d15N_avg_nitrate, d15N_avg_nitrate_nitrite, d15N_n_nitrate, d15N_n_nitrate_nitrite, d15N_stdev_nitrate, d15N_stdev_nitrate_nitrite, data, dataset, date, density, depth, depth_ctd, depth_sample, dmo, earth, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Salinity/Density > Salinity, erddap, fluorescence, fluorescence_ctd, iso, latitude, longitude, management, mld, MLD_calc, mole, mole_concentration_of_nitrate_in_sea_water, n02, nitrate, nitrite, no3, O2, ocean, oceanography, oceans, office, oxygen, oxygen_ctd, potdens, potdens_calc, practical, preliminary, pressure, pressure_ctd, salinity, salinity_ctd, science, sea, sea_water_practical_salinity, seawater, ship, sonde, temperature, temperature_ctd, time, time2, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/805546/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/805546 (external link)
attribute NC_GLOBAL Northernmost_Northing double -39.4109
attribute NC_GLOBAL param_mapping String {'805546': {'depth_sample': 'flag - depth', 'latitude': 'flag - latitude', 'longitude': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/805546/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Princeton University
attribute NC_GLOBAL people_0_person_name String Daniel M. Sigman
attribute NC_GLOBAL people_0_person_nid String 51417
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Stellenbosch University
attribute NC_GLOBAL people_1_person_name String Sandi M. Smart
attribute NC_GLOBAL people_1_person_nid String 557790
attribute NC_GLOBAL people_1_role String Contact
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL people_2_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_2_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_2_person_name String Shannon Rauch
attribute NC_GLOBAL people_2_person_nid String 51498
attribute NC_GLOBAL people_2_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_2_role_type String related
attribute NC_GLOBAL project String Diatom-bound_N_Isotopes,N Isotopes Foraminifera,stable isotope instrumentation
attribute NC_GLOBAL projects_0_acronym String Diatom-bound_N_Isotopes
attribute NC_GLOBAL projects_0_description String Description from NSF award abstract:\nThe high concentration of the major nutrients nitrate and phosphate is a fundamental characteristic of the Antarctic Zone in the Southern Ocean and is central to its role in global ocean fertility and the global carbon cycle. The isotopic composition of diatom-bound organic nitrogen is one of the best hopes for reconstructing the nutrient status of polar surface waters over glacial cycles, which in turn may hold the explanation for the decline in atmospheric carbon dioxide during ice ages. The PIs propose to generate detailed diatom-bound nitrogen isotope (δ15Ndb) records from high sedimentation rate cores from the Kerguelen Plateau. Because the cores were collected at relatively shallow seafloor depths, they have adequate planktonic and benthic foraminifera to develop accurate age models. The resulting data could be compared with climate records from Antarctic ice cores and other archives to investigate climate-related changes, including the major steps into and out of ice ages and the millennial-scale events that occur during ice ages and at their ends. The records generated in this project will provide a critical test of hypotheses for the cause of lower ice age CO2.\nThis study will contribute to the goal of understanding ice ages and past CO2 changes, which both have broad implications for future climate. Undergraduates will undertake summer internships, with the possibility of extending their work into junior year projects and senior theses. In addition, the PI will lead modules for two Princeton programs for middle school teachers and will host a teacher for a six-week summer research project.
attribute NC_GLOBAL projects_0_end_date String 2017-04
attribute NC_GLOBAL projects_0_geolocation String Kerguelen Plateau
attribute NC_GLOBAL projects_0_name String High-resolution, Assemblage-specific Records of Diatom-bound N Isotopes from the Indian Sector of the Antarctic Ocean
attribute NC_GLOBAL projects_0_project_nid String 557250
attribute NC_GLOBAL projects_0_start_date String 2014-05
attribute NC_GLOBAL projects_1_acronym String N Isotopes Foraminifera
attribute NC_GLOBAL projects_1_description String NSF Award Abstract:\nNitrogen (N) and phosphorus are the two nutrients required in large quantity by phytoplankton in the ocean, and together they limit productivity throughout most of the tropical, subtropical, and temperate ocean. Both the cycling of N and its input/output budget have been argued to control the fertility of the ocean and the ocean's role in setting atmospheric CO2. The CaCO3 tests of foraminifera can represent a substantial fraction of marine sediments and have been used extensively in paleoceanography; they are an obvious target for isotopic analysis of microfossil-bound organic matter.\nIn recent years, researchers at Princeton have developed a protocol for the isotopic analysis of foraminiferal shell-bound N. The current protocol is at least 100 times more sensitive than typical on-line combustion, allowing for rapid progress with a N isotope archive that was previously not feasible to measure. Measurements on surface sediments and a downcore record from the Caribbean show the promise of foraminifera-bound del15N (fb-del15N) to provide both a robust N isotope archive for paleoceanography, and one with a unique potential of richness, given the existence of multiple foraminiferal species with different depth habitats and behaviors. Moreover, the finding from the Caribbean Sea record -- reduced N fixation in ice age Atlantic -- has changed the scientific conversation about the nature of the input/output budget of oceanic fixed N and its potential to change ocean fertility and atmospheric CO2. However, the controls on fb-del15N have not yet been adequately studied.\nIn this project, as a first major step in developing a foundation for the paleoceanographic application of fb-del15N, the same Princeton University team will study its genesis in the water column, transport to the seafloor, and early diagenesis. They will undertake this study in the Sargasso Sea south of Bermuda. This is one of the best studied regions of the ocean, in general and with respect to foraminifera, and a region that has been has been a focus of the N isotope research of the PI for the last decade and others previously. Moreover, its significant seasonality -- in physical oceanography, biogeochemistry, and foraminiferal species abundance -- will facilitate the effort to understand the controls on fb-del15N at a mechanistic level. The research team will participate in six Bermuda Atlantic Time-series Study (BATS) cruises over two years, collecting foraminifera and other N forms likely to provide insight into the controls on fb-del15N. From the nearby Oceanic Flux Program (OFP) moored sediment traps and from shallow sediments collected in the region, they will pick foraminifera shells and again make relevant ancillary measurements. This work will establish the relationship of foraminiferal biomass to shell-bound del15N for different species, and comparison of the foraminiferal isotope data with the upper ocean N pools will yield empirical isotopic relationships and work toward a mechanistic insight of fb-del15N (e.g., the importance of different N pools to the diets of different foraminifera; the role of algal symbionts). The sediment trap and surface sediment data will support the plankton tow data by integrating over longer time scales and will also address questions regarding late stage (e.g., gametogenic) calcification and the early diagenesis of fb-del15N and fb-N content.\nBroader Impacts: This study will yield an improved understanding of the nutrient dynamics of foraminifera, a class of organisms whose shells are a central tool in micropaleontology and paleoclimatology. The project will also build on the principal investigator's involvement in the Bermuda Institute of Ocean Sciences as an asset for integrating ocean-related education and research at both the undergraduate and graduate levels.
attribute NC_GLOBAL projects_1_end_date String 2016-03
attribute NC_GLOBAL projects_1_geolocation String Sargasso Sea
attribute NC_GLOBAL projects_1_name String Understanding the nitrogen isotopes of planktonic foraminifera: A modern Sargasso Sea study
attribute NC_GLOBAL projects_1_project_nid String 743583
attribute NC_GLOBAL projects_1_start_date String 2011-04
attribute NC_GLOBAL projects_2_acronym String stable isotope instrumentation
attribute NC_GLOBAL projects_2_description String NSF Award Abstract:\nIntellectual Merit:\nThe PIs are requesting funds to acquire a suite of instruments for stable isotope (N) research, including a denitrifier-based, natural abundance isotope system, a tracer isotope system, and general purpose natural abundance peripherals for an existing mass spectrometer. Specific instruments requested include a Thermo Electron MAT 253 stable isotope mass spectrometer, a Thermo DeltaVAdvantage stable isotope mass spectrometer with peripherals, an EA peripheral for combustion-based isotope analysis, and a GasBench II carbon dioxide preparation and purification system. The proposed instrumentation would enable research efforts examining natural stable isotope abundances that include ocean biogeochemistry and paleoceanography, terrestrial biogeochemistry, carbon isotopes in Precambrian Earth history. Stable isotope tracer research would include nitrification, nitrogen fixation, and carbon partitioning during biostimulation.\nBroader Impacts:\nThe PIs state that the proposed instrumentation would expand the research capabilities of the institution and specifically the Departments of Geosciences and Ecology and Evolutionary Biology. The improvements to the denitrifier method will also serve to expand the capabilities of the ocean research community at large. Additionally, the proposed instrumentation will enable method development and provide training for undergraduate students at the institution and those participating in a collaborative effort with the University of Cape Town.
attribute NC_GLOBAL projects_2_end_date String 2012-08
attribute NC_GLOBAL projects_2_name String MRI: Acquisition of Stable Isotope Instrumentation for the Biogeosciences at Princeton University
attribute NC_GLOBAL projects_2_project_nid String 788982
attribute NC_GLOBAL projects_2_start_date String 2009-09
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -54.0003
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String ship
attribute NC_GLOBAL summary String Nitrate+nitrite and nitrate-only d15N from the Southern Ocean south of Africa. The dataset includes hydrocast (depth-profile) and underway (surface; intake at 7 m depth) data. The former is accompanied by hydrographic data obtained during the CTD cast.
attribute NC_GLOBAL time_coverage_end String 2016-05-09T07:47:00Z
attribute NC_GLOBAL time_coverage_start String 2015-07-26T14:31:00Z
attribute NC_GLOBAL title String [Southern Ocean seawater N isotopes] - Nitrate+nitrite and nitrate-only d15N from R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 (High-resolution, Assemblage-specific Records of Diatom-bound N Isotopes from the Indian Sector of the Antarctic Ocean)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double 2.0E-4
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable cruise String
attribute cruise bcodmo_name String cruise_id
attribute cruise description String Cruise identifier
attribute cruise long_name String Cruise
attribute cruise units String unitless
variable ship String
attribute ship bcodmo_name String ship
attribute ship description String Ship name
attribute ship long_name String Ship
attribute ship units String unitless
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.43792106E9, 1.46278002E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Date and time formatted to ISO8601 standard. Format: yyyy-mm-ddTHH:MM:SSZ
attribute time ioos_category String Time
attribute time long_name String ISO Date Time UTC
attribute time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute time source_name String ISO_DateTime_UTC
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z
variable date String
attribute date bcodmo_name String date
attribute date description String Date; format: yyyy-mm-dd
attribute date long_name String Date
attribute date nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute date time_precision String 1970-01-01
attribute date units String unitless
variable time2 String
attribute time2 bcodmo_name String time
attribute time2 description String Time; format: HH:MM
attribute time2 long_name String Time
attribute time2 nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/ (external link)
attribute time2 units String unitless
variable latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double -54.0003, -39.4109
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String Latitude; positive values = North
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude double
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double 2.0E-4, 38.4987
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String Longitude; positive values = East
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 4.421, 4417.113
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String The depth at which the niskin bottle was closed (from which seawater was collected for analysis)
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable depth_ctd float
attribute depth_ctd _FillValue float NaN
attribute depth_ctd actual_range float 4.957, 4416.66
attribute depth_ctd bcodmo_name String depth
attribute depth_ctd colorBarMaximum double 8000.0
attribute depth_ctd colorBarMinimum double -8000.0
attribute depth_ctd colorBarPalette String TopographyDepth
attribute depth_ctd description String Depth of the nearest CTD sensor measurements, extracted from the continuous CTD files (where bottle files were not available)
attribute depth_ctd long_name String Depth
attribute depth_ctd nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth_ctd standard_name String depth
attribute depth_ctd units String meters (m)
variable pressure_ctd short
attribute pressure_ctd _FillValue short 32767
attribute pressure_ctd actual_range short 5, 4499
attribute pressure_ctd bcodmo_name String pressure
attribute pressure_ctd description String Pressure
attribute pressure_ctd long_name String Pressure Ctd
attribute pressure_ctd nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PRESPR01/ (external link)
attribute pressure_ctd units String decibars (db)
variable temperature_ctd float
attribute temperature_ctd _FillValue float NaN
attribute temperature_ctd actual_range float -0.685, 14.261
attribute temperature_ctd bcodmo_name String temperature
attribute temperature_ctd description String Temperature measured by CTD
attribute temperature_ctd long_name String Temperature Ctd
attribute temperature_ctd nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/ (external link)
attribute temperature_ctd units String degrees Celsius
variable salinity_ctd float
attribute salinity_ctd _FillValue float NaN
attribute salinity_ctd actual_range float 33.758, 35.245
attribute salinity_ctd bcodmo_name String sal
attribute salinity_ctd colorBarMaximum double 37.0
attribute salinity_ctd colorBarMinimum double 32.0
attribute salinity_ctd description String Salinity measured by CTD
attribute salinity_ctd long_name String Sea Water Practical Salinity
attribute salinity_ctd nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/ (external link)
attribute salinity_ctd units String psu
variable oxygen_ctd float
attribute oxygen_ctd _FillValue float NaN
attribute oxygen_ctd actual_range float 3.555, 7.276
attribute oxygen_ctd bcodmo_name String dissolved Oxygen
attribute oxygen_ctd description String Oxygen measured by CTD
attribute oxygen_ctd long_name String Oxygen Ctd
attribute oxygen_ctd units String milliliters per liter (ml/l)
variable fluorescence_ctd float
attribute fluorescence_ctd _FillValue float NaN
attribute fluorescence_ctd actual_range float -0.018, 1.907
attribute fluorescence_ctd bcodmo_name String fluorescence
attribute fluorescence_ctd description String Fluorescence measured by CTD
attribute fluorescence_ctd long_name String Fluorescence Ctd
attribute fluorescence_ctd nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/ (external link)
attribute fluorescence_ctd units String milligrams per cubic meter (mg/m3)
variable potdens_calc float
attribute potdens_calc _FillValue float NaN
attribute potdens_calc actual_range float 1026.23, 1027.888
attribute potdens_calc bcodmo_name String density
attribute potdens_calc description String Potential density, calculated from temperature and salinity
attribute potdens_calc long_name String Potdens Calc
attribute potdens_calc units String kilograms per cubic meter (kg/m3)
variable MLD_calc short
attribute MLD_calc _FillValue short 32767
attribute MLD_calc actual_range short 42, 147
attribute MLD_calc bcodmo_name String depth_mixed_layer
attribute MLD_calc description String Calculated mixed layer depth at each profile station, defined as the closest depth to the surface at which potential density is greater by greater than or equal to 0.03 kg/m3 than the value at a reference depth of 11 m (the shallowest depth common to every CTD station), based on the criterion of de Boyer Montégut et al. (2004).
attribute MLD_calc long_name String MLD Calc
attribute MLD_calc units String meters (m)
variable d15N_avg_nitrate_nitrite float
attribute d15N_avg_nitrate_nitrite _FillValue float NaN
attribute d15N_avg_nitrate_nitrite actual_range float 4.74, 11.4
attribute d15N_avg_nitrate_nitrite bcodmo_name String 15N of nitrate plus nitrite
attribute d15N_avg_nitrate_nitrite colorBarMaximum double 50.0
attribute d15N_avg_nitrate_nitrite colorBarMinimum double 0.0
attribute d15N_avg_nitrate_nitrite description String Average d15N. d15N is the nitrogen isotopic composition of a sample (nitrate+nitrite) expressed in delta notation (d15N in units of per mil, ‰) relative to atmospheric N2, where d15N = {[(15N/14N)sample/(15N/14N)atmN2] – 1} × 1000
attribute d15N_avg_nitrate_nitrite long_name String Mole Concentration Of Nitrate In Sea Water
attribute d15N_avg_nitrate_nitrite units String per mil vs AIR
variable d15N_stdev_nitrate_nitrite float
attribute d15N_stdev_nitrate_nitrite _FillValue float NaN
attribute d15N_stdev_nitrate_nitrite actual_range float 0.0, 0.4
attribute d15N_stdev_nitrate_nitrite bcodmo_name String 15N of nitrate plus nitrite
attribute d15N_stdev_nitrate_nitrite colorBarMaximum double 50.0
attribute d15N_stdev_nitrate_nitrite colorBarMinimum double 0.0
attribute d15N_stdev_nitrate_nitrite description String Standard deviation of d15N (nitrate+nitrite)
attribute d15N_stdev_nitrate_nitrite long_name String Mole Concentration Of Nitrate In Sea Water
attribute d15N_stdev_nitrate_nitrite units String per mil vs AIR
variable d15N_n_nitrate_nitrite byte
attribute d15N_n_nitrate_nitrite _FillValue byte 127
attribute d15N_n_nitrate_nitrite actual_range byte 1, 4
attribute d15N_n_nitrate_nitrite bcodmo_name String num_reps
attribute d15N_n_nitrate_nitrite description String Number of replicate measurements of d15N (nitrate+nitrite)
attribute d15N_n_nitrate_nitrite long_name String D15 N N Nitrate Nitrite
attribute d15N_n_nitrate_nitrite units String unitless
variable conc_avg_nitrate_nitrite float
attribute conc_avg_nitrate_nitrite _FillValue float NaN
attribute conc_avg_nitrate_nitrite actual_range float 2.84, 37.51
attribute conc_avg_nitrate_nitrite bcodmo_name String NO3_NO2
attribute conc_avg_nitrate_nitrite colorBarMaximum double 50.0
attribute conc_avg_nitrate_nitrite colorBarMinimum double 0.0
attribute conc_avg_nitrate_nitrite description String Concentration of nitrate+nitrite in a seawater sample
attribute conc_avg_nitrate_nitrite long_name String Mole Concentration Of Nitrate In Sea Water
attribute conc_avg_nitrate_nitrite units String micromolar (uM)
variable conc_stdev_nitrate_nitrite float
attribute conc_stdev_nitrate_nitrite _FillValue float NaN
attribute conc_stdev_nitrate_nitrite actual_range float 0.0, 2.28
attribute conc_stdev_nitrate_nitrite bcodmo_name String NO3_NO2
attribute conc_stdev_nitrate_nitrite colorBarMaximum double 50.0
attribute conc_stdev_nitrate_nitrite colorBarMinimum double 0.0
attribute conc_stdev_nitrate_nitrite description String Standard deviation of nitrate+nitrite concentration
attribute conc_stdev_nitrate_nitrite long_name String Mole Concentration Of Nitrate In Sea Water
attribute conc_stdev_nitrate_nitrite units String micromolar (uM)
variable conc_n_nitrate_nitrite byte
attribute conc_n_nitrate_nitrite _FillValue byte 127
attribute conc_n_nitrate_nitrite actual_range byte 1, 4
attribute conc_n_nitrate_nitrite bcodmo_name String num_reps
attribute conc_n_nitrate_nitrite description String Number of replicate measurements of nitrate+nitrite concentration
attribute conc_n_nitrate_nitrite long_name String Conc N Nitrate Nitrite
attribute conc_n_nitrate_nitrite units String unitless
variable d15N_avg_nitrate float
attribute d15N_avg_nitrate _FillValue float NaN
attribute d15N_avg_nitrate actual_range float 4.75, 12.22
attribute d15N_avg_nitrate bcodmo_name String dN15_NO3
attribute d15N_avg_nitrate colorBarMaximum double 50.0
attribute d15N_avg_nitrate colorBarMinimum double 0.0
attribute d15N_avg_nitrate description String Average d15N. d15N is the nitrogen isotopic composition of a sample (nitrate only) expressed in delta notation (d15N in units of per mil, ‰) relative to atmospheric N2, where d15N = {[(15N/14N)sample/(15N/14N)atmN2] – 1}  × 1000
attribute d15N_avg_nitrate long_name String Mole Concentration Of Nitrate In Sea Water
attribute d15N_avg_nitrate units String per mil vs AIR
variable d15N_stdev_nitrate float
attribute d15N_stdev_nitrate _FillValue float NaN
attribute d15N_stdev_nitrate actual_range float 0.0, 0.15
attribute d15N_stdev_nitrate bcodmo_name String dN15_NO3
attribute d15N_stdev_nitrate colorBarMaximum double 50.0
attribute d15N_stdev_nitrate colorBarMinimum double 0.0
attribute d15N_stdev_nitrate description String Standard deviation of d15N (nitrate only)
attribute d15N_stdev_nitrate long_name String Mole Concentration Of Nitrate In Sea Water
attribute d15N_stdev_nitrate units String per mil vs AIR
variable d15N_n_nitrate byte
attribute d15N_n_nitrate _FillValue byte 127
attribute d15N_n_nitrate actual_range byte 1, 4
attribute d15N_n_nitrate bcodmo_name String num_reps
attribute d15N_n_nitrate description String Number of replicate measurements of d15N (nitrate only)
attribute d15N_n_nitrate long_name String D15 N N Nitrate
attribute d15N_n_nitrate units String unitless
variable conc_avg_nitrate float
attribute conc_avg_nitrate _FillValue float NaN
attribute conc_avg_nitrate actual_range float 2.77, 36.93
attribute conc_avg_nitrate bcodmo_name String NO3
attribute conc_avg_nitrate colorBarMaximum double 50.0
attribute conc_avg_nitrate colorBarMinimum double 0.0
attribute conc_avg_nitrate description String Concentration of nitrate in a seawater sample
attribute conc_avg_nitrate long_name String Mole Concentration Of Nitrate In Sea Water
attribute conc_avg_nitrate nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/NTRAIGGS/ (external link)
attribute conc_avg_nitrate units String micromolar (uM)
variable conc_stdev_nitrate float
attribute conc_stdev_nitrate _FillValue float NaN
attribute conc_stdev_nitrate actual_range float 0.0, 1.43
attribute conc_stdev_nitrate bcodmo_name String NO3
attribute conc_stdev_nitrate colorBarMaximum double 50.0
attribute conc_stdev_nitrate colorBarMinimum double 0.0
attribute conc_stdev_nitrate description String Standard deviation of nitrate concentration
attribute conc_stdev_nitrate long_name String Mole Concentration Of Nitrate In Sea Water
attribute conc_stdev_nitrate nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/NTRAIGGS/ (external link)
attribute conc_stdev_nitrate units String micromolar (uM)
variable conc_n_nitrate byte
attribute conc_n_nitrate _FillValue byte 127
attribute conc_n_nitrate actual_range byte 1, 4
attribute conc_n_nitrate bcodmo_name String num_reps
attribute conc_n_nitrate description String Number of replicate measurements of nitrate concentration
attribute conc_n_nitrate long_name String Conc N Nitrate
attribute conc_n_nitrate units String unitless

 
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