Accessing BCO-DMO data
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| Dataset Title: | [nutrients and metals] - Nutrients, cobalt, dissolved iron, and dissolved manganese from trace metal bottles from R/V Knorr cruise KN192-05 in the South Atlantic subtropical gyre and Benguela upwelling region in 2007 (CoFeMUG project) (Cobalt, Iron and Micro-organisms from the Upwelling zone to the Gyre) 
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| Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_3233) |
| Information: | Summary
| License
| FGDC
| ISO 19115
| Metadata
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Attributes {
s {
cruise_id {
String bcodmo_name "cruise_id";
String description "Ship's cruise designation";
String long_name "Cruise Id";
String units "dimensionless";
}
sta {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 27;
String bcodmo_name "sta";
String description "Station number";
String long_name "Sta";
String units "dimensionless";
}
latitude {
String _CoordinateAxisType "Lat";
Float64 _FillValue NaN;
Float64 actual_range -25.0, -11.0;
String axis "Y";
String bcodmo_name "latitude";
Float64 colorBarMaximum 90.0;
Float64 colorBarMinimum -90.0;
String description "latitude; North is positive, South is negative";
String ioos_category "Location";
String long_name "Latitude";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LATX/";
String standard_name "latitude";
String units "degrees_north";
}
longitude {
String _CoordinateAxisType "Lon";
Float64 _FillValue NaN;
Float64 actual_range -30.0, 14.5;
String axis "X";
String bcodmo_name "longitude";
Float64 colorBarMaximum 180.0;
Float64 colorBarMinimum -180.0;
String description "longitude; East is positive, West is negative";
String ioos_category "Location";
String long_name "Longitude";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/LONX/";
String standard_name "longitude";
String units "degrees_east";
}
lon_360 {
Float32 _FillValue NaN;
Float32 actual_range 2.5, 359.96;
String bcodmo_name "lon_360";
Float64 colorBarMaximum 180.0;
Float64 colorBarMinimum -180.0;
String description "longitude ranging from 0 to 360 degrees";
String long_name "Longitude";
String standard_name "longitude";
String units "decimal degrees";
}
depth_w {
Int16 _FillValue 32767;
Int16 actual_range 120, 5534;
String bcodmo_name "depth_w";
Float64 colorBarMaximum 8000.0;
Float64 colorBarMinimum -8000.0;
String colorBarPalette "TopographyDepth";
String description "water depth, in meters";
String long_name "Depth";
String standard_name "depth";
String units "meters";
}
depth {
String _CoordinateAxisType "Height";
String _CoordinateZisPositive "down";
Float64 _FillValue NaN;
Float64 actual_range 9.0, 5196.0;
String axis "Z";
String bcodmo_name "depth";
Float64 colorBarMaximum 8000.0;
Float64 colorBarMinimum -8000.0;
String colorBarPalette "TopographyDepth";
String description "Sample depth";
String ioos_category "Location";
String long_name "Depth";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P09/current/DEPH/";
String positive "down";
String standard_name "depth";
String units "m";
}
ev_code {
String bcodmo_name "event code";
String description "event code; type and number of sampling event; matches cruise event log";
String long_name "Ev Code";
String units "dimensionless";
}
run_id {
String bcodmo_name "unknown";
String description "run ID of sample";
String long_name "Run Id";
String units "dimensionless";
}
cast {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 50;
String bcodmo_name "cast";
String description "Cast number";
String long_name "Cast";
String units "dimensionless";
}
date {
Int32 _FillValue 2147483647;
Int32 actual_range 20071118, 20071211;
String bcodmo_name "date";
String description "date; reported in GMT as YYYYMMDD (year; month; day)";
String long_name "Date";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/";
String units "unitless";
}
year {
Int16 _FillValue 32767;
Int16 actual_range 2007, 2007;
String bcodmo_name "year";
String description "year, reported as YYYY";
String long_name "Year";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/";
String units "unitless";
}
mon {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 11, 12;
String bcodmo_name "month";
String description "month of year; numeric 1 to 12";
String long_name "Mon";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/MNTHXXXX/";
String units "MM";
}
day {
String bcodmo_name "day";
String description "day of month; numeric 1 to 31";
String long_name "Day";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/DAYXXXXX/";
String units "DD";
}
time2 {
String bcodmo_name "time";
String description "time of day; reported in GMT as hhmm";
String long_name "Time";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/";
String units "hhmm";
}
NO3_NO2 {
Float32 _FillValue NaN;
Float32 actual_range -0.04, 41.71;
String bcodmo_name "NO3_NO2";
Float64 colorBarMaximum 50.0;
Float64 colorBarMinimum 0.0;
String description "Nitrate plus nitrite concentration in uM. (Originally named 'N+N'.)";
String long_name "Mole Concentration Of Nitrate In Sea Water";
String units "micromolar";
}
NO3_NO2_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for NO3_NO2. See 'Processing Description' for code definitions.";
String long_name "NO3 NO2 Flag";
String units "dimensionless";
}
PO4 {
Float32 _FillValue NaN;
Float32 actual_range 0.107, 2.745;
String bcodmo_name "PO4";
String description "Phosphate concentration in uM.";
String long_name "Mass Concentration Of Phosphate In Sea Water";
String units "micromolar";
}
PO4_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for PO4. See 'Processing Description' for code definitions.";
String long_name "PO4 Flag";
String units "dimensionless";
}
SiO4 {
Float32 _FillValue NaN;
Float32 actual_range -0.08, 111.3;
String bcodmo_name "SiOH_4";
String description "Silicate (Orthosilicic Acid) concentration in uM.";
String long_name "Si O4";
String units "micromolar";
}
SiO4_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for SiO4. See 'Processing Description' for code definitions.";
String long_name "Si O4 Flag";
String units "dimensionless";
}
NO2 {
Float32 _FillValue NaN;
Float32 actual_range -0.01, 1.415;
String bcodmo_name "NO2";
Float64 colorBarMaximum 1.0;
Float64 colorBarMinimum 0.0;
String description "Nitrite concentration in uM.";
String long_name "Mole Concentration Of Nitrite In Sea Water";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/NTRIAAZX/";
String units "micromolar";
}
NO2_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for NO2. See 'Processing Description' for code definitions.";
String long_name "NO2 Flag";
String units "dimensionless";
}
NH4 {
Float32 _FillValue NaN;
Float32 actual_range -0.006, 1.922;
String bcodmo_name "Ammonium";
Float64 colorBarMaximum 5.0;
Float64 colorBarMinimum 0.0;
String description "Ammonium concentration in uM.";
String long_name "Mole Concentration Of Ammonium In Sea Water";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/AMONAAZX/";
String units "micromolar";
}
NH4_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for NH4. See 'Processing Description' for code definitions.";
String long_name "NH4 Flag";
String units "dimensionless";
}
Co_tot {
Int16 _FillValue 32767;
Int16 actual_range 6, 203;
String bcodmo_name "trace_metal_conc";
String description "Total Cobalt concentration in pM. (Originally named 'TCo'.)";
String long_name "Co Tot";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P03/current/C035/";
String units "picomolar";
}
Co_tot_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for Co_tot. See 'Processing Description' for code definitions.";
String long_name "Co Tot Flag";
String units "dimensionless";
}
Co_labile {
String bcodmo_name "trace_metal_conc";
String description "Concentration of labile Cobalt in pM. (Originally named Co'.) Note: lt_0.75 = less than 0.75.";
String long_name "Co Labile";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P03/current/C035/";
String units "picomolar";
}
Co_labile_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for Co_labile. See 'Processing Description' for code definitions.";
String long_name "Co Labile Flag";
String units "dimensionless";
}
Fe_Td {
String bcodmo_name "trace_metal_conc";
String description "Total dissolved Iron concentration in nM.";
String long_name "Fe Td";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P03/current/C035/";
String units "nanomolar";
}
Fe_Td_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for Fe_Td. See 'Processing Description' for code definitions.";
String long_name "Fe Td Flag";
String units "dimensionless";
}
Mn_Td {
String bcodmo_name "trace_metal_conc";
String description "Total dissolved Manganese concentration in nM.";
String long_name "MN TD";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P03/current/C035/";
String units "nanomolar";
}
Mn_Td_flag {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 1, 7;
String bcodmo_name "q_flag";
Float64 colorBarMaximum 150.0;
Float64 colorBarMinimum 0.0;
String description "Quality flag for Mn_Td. See 'Processing Description' for code definitions.";
String long_name "Mn Td Flag";
String units "dimensionless";
}
time {
String _CoordinateAxisType "Time";
Float64 actual_range 1.19537898e+9, 1.1973738e+9;
String axis "T";
String bcodmo_name "ISO_DateTime_UTC";
String description "Date/Time (UTC) formatted to ISO8601 standard. T indicates start of time string; Z indicates UTC. Generated from original date and time fields.";
String ioos_category "Time";
String long_name "ISO Date Time UTC";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/";
String source_name "ISO_DateTime_UTC";
String standard_name "time";
String time_origin "01-JAN-1970 00:00:00";
String time_precision "1970-01-01T00:00:00.00Z";
String units "seconds since 1970-01-01T00:00:00Z";
}
}
NC_GLOBAL {
String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt";
String acquisition_description
"Three transects were sampled using the Trace Metal Rosette (TMR) on the
CoFeMUG cruise aboard R/V Knorr in 2007. Refer to Noble et al. (2012) for
detailed information on acquisition and processing.
Nutrient Analyses: Technicon AutoAnalyzer II components were used to measure
phophate and ammonium. Alpkem rapid flow analyzer (RFA) 300 components were
used to measure silicic acid, nitrate+nitrite, and nitrite.
Cobalt Analyses: Total dissolved and labile cobalt concentrations were
determined using cathodic stripping voltammetry, previously described by Saito
and Moffet (2001) and Saito et al. (2004). Measurements were made using Eco-
Chemie uAutolab-III systems connected to Metrohm 663 VA Stands with hanging
mercury drop electrodes and Teflon sampling cups.
Iron and Manganese Analyses: Total dissolved iron and manganese concentrations
were measured using inductively coupled plasma mass spectrometry (ICP-MS).
SAFe seawater intercalibration standards were analyzed at the beginning of
each analysis day with iron concentrations of 0.96 \\u00b1 0.095 nmol L-1 for
D2 and 0.125 \\u00b1 0.046 nmol L-1 for S1 (n = 10), which are within the
reported ranges of 0.91 + 0.17 nmol L-1 and 0.097 + 0.043 nmol L-1 (Johnson et
al. 2007).";
String awards_0_award_nid "54681";
String awards_0_award_number "OCE-0452883";
String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0452883";
String awards_0_funder_name "NSF Division of Ocean Sciences";
String awards_0_funding_acronym "NSF OCE";
String awards_0_funding_source_nid "355";
String awards_0_program_manager "Donald L. Rice";
String awards_0_program_manager_nid "51467";
String cdm_data_type "Other";
String comment
"Nutrients and metals from TMR casts
CoFeMUG cruise KN192-05
PI: Mak Saito (WHOI)
Version: 20 March 2013
Notes: 'lt' = 'less than'; refer to documentation for flag definitions.";
String Conventions "COARDS, CF-1.6, ACDD-1.3";
String creator_email "info@bco-dmo.org";
String creator_name "BCO-DMO";
String creator_type "institution";
String creator_url "https://www.bco-dmo.org/";
String data_source "extract_data_as_tsv version 2.3 19 Dec 2019";
String date_created "2010-06-16T20:40:40Z";
String date_modified "2020-03-25T19:12:21Z";
String defaultDataQuery "&time<now";
String doi "10.26008/1912/bco-dmo.3233.2";
Float64 Easternmost_Easting 14.5;
Float64 geospatial_lat_max -11.0;
Float64 geospatial_lat_min -25.0;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max 14.5;
Float64 geospatial_lon_min -30.0;
String geospatial_lon_units "degrees_east";
Float64 geospatial_vertical_max 5196.0;
Float64 geospatial_vertical_min 9.0;
String geospatial_vertical_positive "down";
String geospatial_vertical_units "m";
String history
"2024-12-30T17:27:04Z (local files)
2024-12-30T17:27:04Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_3233.html";
String infoUrl "https://www.bco-dmo.org/dataset/3233";
String institution "BCO-DMO";
String instruments_0_acronym "TM Bottle";
String instruments_0_dataset_instrument_description "Trace Metal Rosette (11 bottle) plus CTD";
String instruments_0_dataset_instrument_nid "4977";
String instruments_0_description "Trace metal (TM) clean rosette bottle used for collecting trace metal clean seawater samples.";
String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/30/";
String instruments_0_instrument_name "Trace Metal Bottle";
String instruments_0_instrument_nid "493";
String instruments_0_supplied_name "Trace Metal Bottle";
String instruments_1_acronym "Nutrient Autoanalyzer";
String instruments_1_dataset_instrument_description "Technicon AutoAnalyzer II components and Alpkem rapid flow analyzer (RFA) 300 componentswere used to measure nutrients.";
String instruments_1_dataset_instrument_nid "6107";
String instruments_1_description "Nutrient Autoanalyzer is a generic term used when specific type, make and model were not specified. In general, a Nutrient Autoanalyzer is an automated flow-thru system for doing nutrient analysis (nitrate, ammonium, orthophosphate, and silicate) on seawater samples.";
String instruments_1_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/LAB04/";
String instruments_1_instrument_name "Nutrient Autoanalyzer";
String instruments_1_instrument_nid "558";
String instruments_1_supplied_name "Nutrient Autoanalyzer";
String instruments_2_acronym "Metrohm 663 VA";
String instruments_2_dataset_instrument_nid "6105";
String instruments_2_description "The Metrohm 663 VA stand forms the wet chemical part of a polarographic and voltammetric analytical system. It features a mercury electrode, an Ag/AgCl reference electrode and a glassy carbon counter electrode. The size of the mercury drop and the stirrer speed are set manually on the VA Stand. The VA Stand can be operated in Dropping Mercury Electrode (DME), Hanging Mercury Drop Electrode (HMDE) and Static Mercury Drop Electrode (SMDE) modes. The VA Stand can be controlled by a potentiostat in conjunction with the Metrohm IME663 interface.";
String instruments_2_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0515/";
String instruments_2_instrument_name "Metrohm 663 VA Stand mercury electrode";
String instruments_2_instrument_nid "697";
String instruments_2_supplied_name "Metrohm 663 VA Stand mercury electrode";
String instruments_3_acronym "Voltammetry Analyzers";
String instruments_3_dataset_instrument_description "Eco-Chemie uAutolab-III systems were used.";
String instruments_3_dataset_instrument_nid "6106";
String instruments_3_description "Instruments that obtain information about an analyte by applying a potential and measuring the current produced in the analyte.";
String instruments_3_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/LAB35/";
String instruments_3_instrument_name "Voltammetry Analyzers";
String instruments_3_instrument_nid "698";
String instruments_3_supplied_name "Voltammetry Analyzers";
String keywords "ammonia, ammonium, bco, bco-dmo, biological, cast, chemical, chemistry, Co_labile, Co_labile_flag, Co_tot, Co_tot_flag, code, concentration, cruise, cruise_id, data, dataset, date, day, depth, depth_w, dmo, earth, Earth Science > Oceans > Ocean Chemistry > Ammonia, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Chemistry > Phosphate, erddap, ev_code, Fe_Td, Fe_Td_flag, flag, iso, labile, latitude, lon_360, longitude, management, mass, mass_concentration_of_phosphate_in_sea_water, Mn_Td, Mn_Td_flag, mole, mole_concentration_of_ammonium_in_sea_water, mole_concentration_of_nitrate_in_sea_water, mole_concentration_of_nitrite_in_sea_water, monthly, n02, nh4, NH4_flag, nitrate, nitrite, no2, NO2_flag, no3, NO3_NO2, NO3_NO2_flag, ocean, oceanography, oceans, office, phosphate, po4, PO4_flag, preliminary, run, run_id, science, sea, seawater, SiO4, SiO4_flag, sta, time, time2, tot, water, year";
String keywords_vocabulary "GCMD Science Keywords";
String license "https://www.bco-dmo.org/dataset/3233/license";
String metadata_source "https://www.bco-dmo.org/api/dataset/3233";
Float64 Northernmost_Northing -11.0;
String param_mapping "{'3233': {'lat': 'flag - latitude', 'depth': 'flag - depth', 'lon': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time'}}";
String parameter_source "https://www.bco-dmo.org/mapserver/dataset/3233/parameters";
String people_0_affiliation "Woods Hole Oceanographic Institution";
String people_0_affiliation_acronym "WHOI";
String people_0_person_name "Mak A. Saito";
String people_0_person_nid "50985";
String people_0_role "Principal Investigator";
String people_0_role_type "originator";
String people_1_affiliation "Woods Hole Oceanographic Institution";
String people_1_affiliation_acronym "WHOI BCO-DMO";
String people_1_person_name "Shannon Rauch";
String people_1_person_nid "51498";
String people_1_role "BCO-DMO Data Manager";
String people_1_role_type "related";
String project "CoFeMUG";
String projects_0_acronym "CoFeMUG";
String projects_0_description
"The geochemistries of dissolved cobalt (Co) and iron (Fe) in the oceanic water column share several characteristics such as extremely low concentrations, redox chemistry, low solubility,and utilization as micronutrients by marine microbes. Iron has been the subject of considerable research focus in recent years due to its role in limiting phytoplankton productivity in oceanic and coastal upwelling environments. Cobalt has been much less studied, but recent data show it may be important in influencing primary productivity or phytoplankton community composition in certain geographical areas.
The CoFeMUG project predated GEOTRACES, so while it is not formally recognized as a GEOTRACES section, it is considered a GEOTRACES-related project and the CoFeMUG data are GEOTRACES compliant.
State-of-the-art geochemical and molecular biological techniques were used to address biogeochemical questions in the South Atlantic, and focus especially on the two trace metals, cobalt and iron. The 27-day cruise in November and December 2007 to the South Atlantic was designed to study cobalt and iron biogeochemistry and focus on four major hypotheses.
(1) Large fluxes of labile cobalt are associated with upwelling systems even in Aeolian dominated environments.
(2) Cobalt and phosphate show correlations in (and only in) surface waters due to micronutrient utilization and rapid remineralization. The slope of the correlation is dependent on the chemical speciation of cobalt.
(3) The absence of Trichodesmium populations in the subtropical and tropical South Atlantic is caused by iron limitation.
(4) Based on work from the California and Peru Upwelling regimes, primary productivity in the Benguela upwelling regime off of South West Africa may be iron limited or iron-cobalt colimited.
A combination of geochemical and biological/molecular analyses were made across an oligotrophic-upwelling transition to examine how changing metal regimes affect the physiology and growth of the important primary producers Trichodesmium and Synechococcus.
CoFeMUG project results are published in:
Noble, Abigail E., Carl H. Lamborg, Dan C. Ohnemus, Phoebe J. Lam, Tyler J. Goepfert, Chris I. Measures, Caitlin H. Frame, Karen L. Casciotti, Giacomo R. DiTullio, Joe Jennings, and Mak A. Saito (2012) Basin-scale inputs of cobalt, iron, and manganese from the Benguela-Angola front to the South Atlantic Ocean. Limnology & Oceanography. Vol. 57(4), July 2012. pgs 989-1010. doi:10.4319/lo.2012.57.4.0989 (www.aslo.org/lo/toc/vol_57/issue_4/0989.pdf)";
String projects_0_end_date "2008-03";
String projects_0_geolocation "South Atlantic subtropical gyre and Benguela upwelling region";
String projects_0_name "Cobalt, Iron and Micro-organisms from the Upwelling zone to the Gyre";
String projects_0_project_nid "2067";
String projects_0_start_date "2005-03";
String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
String publisher_type "institution";
String sourceUrl "(local files)";
Float64 Southernmost_Northing -25.0;
String standard_name_vocabulary "CF Standard Name Table v55";
String subsetVariables "cruise_id,year";
String summary "Analysis of nutrients, Cobalt (total and labile), dissolved Iron, and dissolved Manganese of water samples drawn from Trace Metal Rosette (TMR) bottle casts.";
String time_coverage_end "2007-12-11T11:50:00.00Z";
String time_coverage_start "2007-11-18T09:43:00.00Z";
String title "[nutrients and metals] - Nutrients, cobalt, dissolved iron, and dissolved manganese from trace metal bottles from R/V Knorr cruise KN192-05 in the South Atlantic subtropical gyre and Benguela upwelling region in 2007 (CoFeMUG project) (Cobalt, Iron and Micro-organisms from the Upwelling zone to the Gyre)";
String version "2";
Float64 Westernmost_Easting -30.0;
String xml_source "osprey2erddap.update_xml() v1.3";
}
}
Data Access Protocol (DAP) and its
selection constraints.
The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.
Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names,
followed by a collection of
constraints (e.g., variable<value),
each preceded by '&' (which is interpreted as "AND").
For details, see the tabledap Documentation.