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Dataset Title:  Concentrations and stable isotope abundances of particulate organic
carbon (POC) and particulate organic nitrogen (PON) from Niskin bottle samples
taken on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE
project)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_516495)
Range: longitude = -92.91743 to -86.80566°E, latitude = 8.56014 to 10.29979°N, depth = 2.0 to 100.0m
Information:  Summary ? | License ? | ISO 19115 | Metadata | Background (external link) | Data Access Form | Files
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  event {
    Int16 _FillValue 32767;
    Int16 actual_range 17, 1077;
    String bcodmo_name "event";
    String description "Number referring to the particular activity (event) on the FluZiE cruise.";
    String long_name "Event";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/";
    String units "integer";
  }
  cast {
    Byte _FillValue 127;
    Byte actual_range 3, 82;
    String bcodmo_name "cast";
    String description "CTD Cast number from the FluZiE cruise.";
    String long_name "Cast";
    String units "integer";
  }
  cycle {
    String bcodmo_name "unknown";
    String description "Type and number of cruise sampling event. Either \"Stn_n\" or \"Cycle_n\". A transect of stations was sampled from 29 June to 03 July. Five quasi-Lagrangian experiments called \"cycles\" were conducted during the remainder of the cruise.";
    String long_name "Cycle";
    String units "text";
  }
  date_local {
    String bcodmo_name "date";
    String description "Date of CTD cast (local time zone of UTC -6). in the format mmddyyyy";
    String long_name "Date Local";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 8.56014, 10.29979;
    String axis "Y";
    String bcodmo_name "latitude";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String description "Latitude in degrees North.";
    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 -92.91743, -86.80566;
    String axis "X";
    String bcodmo_name "longitude";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String description "Longitude in degrees East.";
    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";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue NaN;
    Float64 actual_range 2.0, 100.0;
    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";
  }
  niskin {
    Byte _FillValue 127;
    Byte actual_range 1, 22;
    String bcodmo_name "bot_Nis";
    String description "Niskin bottle that the sample was taken from.";
    String long_name "Niskin";
    String units "integer";
  }
  POC {
    Float32 _FillValue NaN;
    Float32 actual_range 23.31, 534.86;
    String bcodmo_name "POC";
    String description "Particulate organic carbon concentration.";
    String long_name "Particulate Organic Carbon";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CORGCAP1/";
    String units "micrograms per liter (ug L-1)";
  }
  PON {
    Float32 _FillValue NaN;
    Float32 actual_range 2.96, 59.28;
    String bcodmo_name "PON";
    String description "Particulate organic nitrogen concentration.";
    String long_name "PON";
    String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/MDMAP013/";
    String units "micrograms per liter (ug L-1)";
  }
  d13C {
    Float32 _FillValue NaN;
    Float32 actual_range -26.89, -18.79;
    String bcodmo_name "unknown";
    String description "Normalized isotopic abundance of 13C.";
    String long_name "D13 C";
    String units "micrograms per liter (ug L-1)";
  }
  d15N {
    Float32 _FillValue NaN;
    Float32 actual_range -5.99, 12.7;
    String bcodmo_name "unknown";
    String description "Normalized isotopic abundance of 15N.";
    String long_name "D15 N";
    String units "micrograms per liter (ug L-1)";
  }
 }
  NC_GLOBAL {
    String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson";
    String acquisition_description 
"Seawater was obtained at sea from 10-L Niskin bottles on a CTD rosette. Sample
volumes of 1.1 L were collected in dark polyethylene bottles, and the contents
were filtered onto precombusted 25-mm GF/F filters. Filters were folded into
precombusted packets of aluminum foil and frozen in liquid nitrogen. Samples
were later stored in a -80\\u00b0C freezer, and acidified and dried before
analysis. Analyses were conducted at the Analytical Facility, Marine Science
Institute, UCSB on a Finnigan Delta Plus Advantage continuous flow system with
Costech ECS 4010 elemental combustion.";
    String awards_0_award_nid "515386";
    String awards_0_award_number "OCE-0826626";
    String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward?AWD_ID=0826626";
    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 "David L. Garrison";
    String awards_0_program_manager_nid "50534";
    String cdm_data_type "Other";
    String comment 
"POC and PON Concentrations & Stable Isotope Abundances 
  PI: Michael Landry (UCSD-SIO) 
  Contact: Moira Decima (UCSD-SIO) 
  Version: 10 June 2014";
    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 "2014-06-10T15:35:38Z";
    String date_modified "2019-12-30T15:01:57Z";
    String defaultDataQuery "&time<now";
    String doi "10.1575/1912/bco-dmo.516495.1";
    Float64 Easternmost_Easting -86.80566;
    Float64 geospatial_lat_max 10.29979;
    Float64 geospatial_lat_min 8.56014;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -86.80566;
    Float64 geospatial_lon_min -92.91743;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 100.0;
    Float64 geospatial_vertical_min 2.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2020-12-04T05:49:06Z (local files)
2020-12-04T05:49:06Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_516495.das";
    String infoUrl "https://www.bco-dmo.org/dataset/516495";
    String institution "BCO-DMO";
    String instruments_0_acronym "Niskin bottle";
    String instruments_0_dataset_instrument_description "Seawater was obtained at sea from 10-L Niskin bottles on a CTD rosette.";
    String instruments_0_dataset_instrument_nid "516526";
    String instruments_0_description "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.";
    String instruments_0_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/";
    String instruments_0_instrument_name "Niskin bottle";
    String instruments_0_instrument_nid "413";
    String instruments_0_supplied_name "Niskin bottle";
    String instruments_1_acronym "IR Mass Spec";
    String instruments_1_dataset_instrument_description "Analyses were conducted at the Analytical Facility, Marine Science Institute, UCSB on a Finnigan Delta Plus Advantage continuous flow system with Costech ECS 4010 elemental combustion. The Finnigan DELTAplusAdvantage is a stable isotope ratio MS for dual-inlet and continuous-flow applications.";
    String instruments_1_dataset_instrument_nid "516527";
    String instruments_1_description "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).";
    String instruments_1_instrument_external_identifier "https://vocab.nerc.ac.uk/collection/L05/current/LAB16/";
    String instruments_1_instrument_name "Isotope-ratio Mass Spectrometer";
    String instruments_1_instrument_nid "469";
    String instruments_1_supplied_name "Finnigan Delta Plus Advantage";
    String instruments_2_acronym "CHN_EA";
    String instruments_2_dataset_instrument_description "Analyses were conducted at the Analytical Facility, Marine Science Institute, UCSB on a Finnigan Delta Plus Advantage continuous flow system with Costech ECS 4010 elemental combustion. The ECS 4010 Nitrogen / Protein Analyzer is an analytical platform for CHNSO elemental analysis and Nitrogen / Protein determination.";
    String instruments_2_dataset_instrument_nid "516528";
    String instruments_2_description "A CHN Elemental Analyzer is used for the determination of carbon, hydrogen, and  nitrogen content in organic and other types of materials, including  solids, liquids, volatile, and viscous samples.";
    String instruments_2_instrument_name "CHN Elemental Analyzer";
    String instruments_2_instrument_nid "625";
    String instruments_2_supplied_name "Costech ECS 4010";
    String keywords "bco, bco-dmo, biological, carbon, cast, chemical, cycle, d13, d13C, d15, d15N, data, dataset, date, date_local, depth, dmo, erddap, event, latitude, local, longitude, management, niskin, oceanography, office, organic, particulate, POC, pon, preliminary";
    String license "https://www.bco-dmo.org/dataset/516495/license";
    String metadata_source "https://www.bco-dmo.org/api/dataset/516495";
    Float64 Northernmost_Northing 10.29979;
    String param_mapping "{'516495': {'lat': 'master - latitude', 'depth': 'flag - depth', 'lon': 'master - longitude'}}";
    String parameter_source "https://www.bco-dmo.org/mapserver/dataset/516495/parameters";
    String people_0_affiliation "University of California-San Diego";
    String people_0_affiliation_acronym "UCSD-SIO";
    String people_0_person_name "Michael R. Landry";
    String people_0_person_nid "50545";
    String people_0_role "Principal Investigator";
    String people_0_role_type "originator";
    String people_1_affiliation "University of California-San Diego";
    String people_1_affiliation_acronym "UCSD-SIO";
    String people_1_person_name "Moira Decima";
    String people_1_person_nid "516499";
    String people_1_role "Contact";
    String people_1_role_type "related";
    String people_2_affiliation "Woods Hole Oceanographic Institution";
    String people_2_affiliation_acronym "WHOI BCO-DMO";
    String people_2_person_name "Shannon Rauch";
    String people_2_person_nid "51498";
    String people_2_role "BCO-DMO Data Manager";
    String people_2_role_type "related";
    String project "CRD FLUZiE";
    String projects_0_acronym "CRD FLUZiE";
    String projects_0_description 
"Research was aimed at improved understanding of plankton dynamics, carbon and nutrient fluxes, and potential trace element limitation in the Costa Rica Dome region of the eastern tropical Pacific. The specific science objectives of the 2010 R/V Melville cruise (MV1008) were:
1) to assess grazing and trace metal/nutrient controls on primary production and phytoplankton standing stocks;
2) to quantify carbon and elemental fluxes and export rates from the euphotic zone; and
3) to measure microbial population, processes, stable isotope abundances associated with the OMZ and nitrite maxima.
Additional information about MV1008 can be found in the cruise report (PDF).
NOTE: The original proposal and award abstract are not relevant. The project was originally funded by NSF as experimental tests of phytoplankton controls in the Arabian Sea. Piracy concerns in the region led to the cancellation of the research cruise in 2009, and a Change of Scope request was approved to focus the project on related issues in the Costa Rica Dome (CRD).
Though this project is not formally affiliated with any large program, it aligns with IMBER's emphasis on community ecology and biogeochemistry, and the OCB focus on carbon-based measurements of production, grazing and export processes.";
    String projects_0_end_date "2013-12";
    String projects_0_geolocation "Costa Rica Dome, Eastern Tropical Pacific Ocean";
    String projects_0_name "Costa Rica Dome FLUx and Zinc Experiments";
    String projects_0_project_nid "515387";
    String projects_0_start_date "2009-01";
    String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
    String publisher_type "institution";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 8.56014;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Concentrations and stable isotope abundances of particulate organic carbon (POC) and particulate organic nitrogen (PON). Samples were collected on the MV1008 cruise in the Costa Rica Dome (CRD) region of the Eastern Tropical Pacific Ocean.";
    String title "Concentrations and stable isotope abundances of particulate organic carbon (POC) and particulate organic nitrogen (PON) from Niskin bottle samples taken on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project)";
    String version "1";
    Float64 Westernmost_Easting -92.91743;
    String xml_source "osprey2erddap.update_xml() v1.3";
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

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.


 
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