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Dataset Title:  Greenedge raw nutrient data for CCADI semantic mediator Subscribe RSS
Institution:  Centre for Earth Observation Science   (Dataset ID: Greenedge_raw_file_3299_875e_e214)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 project_name ?      
   - +  ?
 platform_name ?      
   - +  ?
 Cruise ?      
   - +  ?
 Station ?          "DIC-1"    "G719"
 time (Sample Date, UTC) ?          2016-06-09T00:00:00Z    2016-07-10T00:00:00Z
  < slider >
 latitude (degrees_north) ?          67.995    70.51318
  < slider >
 Long_E (Longitude, degrees_east) ?          -63.98764    -55.99096
 longitude (degrees_east) ?          296.01236    304.00904
  < slider >
 Cast ?          3    201
 Bottle ?          1    24
 bottom_depth_m ?          127    2216
 sample_depth_m ?          0.6    2050.9
 Nitrite ?          0.0    0.69
 Nitrite_result_value_qualifier ?      
   - +  ?
 Nitrate ?          0.0    28.48
 Nitrate_result_value_qualifier ?      
   - +  ?
 Silicate ?          0.0    131.44
 Silicate_result_value_qualifier ?          "NC"    "NC"
 Phosphate ?          0.0    2.19
 Phosphate_result_value_qualifier ?          "NC"    "NC"
 Ammonium ?          -0.03    1.14
 Ammonium_result_value_qualifier ?          "NC"    "NC"
 TIN ?          0.0    28.49
 TIN_result_value_qualifier ?      
   - +  ?
 Type ?      
   - +  ?
 delta_18O_H2O ?          -2.55    0.42
 delta_18O_H2O_result_value_qualifier ?          "NC"    "NC"
 TIC ?          1033.456781    2279.202407
 TIC_result_value_qualifier ?          "EFAI"    "NC"
 ALK ?          2176.049081    2315.238146
 ALK_result_value_qualifier ?          "EFAI"    "NC"
 Bot_S_PSU ?          31.74609005    34.66143506
 Bot_S_PSU_result_value_qualifier ?          "NC"    "NC"
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more info)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  project_name {
    String ioos_category "Identifier";
    String long_name "Project Name";
  }
  platform_name {
    String ioos_category "Unknown";
    String long_name "Platform Name";
  }
  Cruise {
    String ioos_category "Unknown";
    String long_name "Cruise";
  }
  Station {
    String ioos_category "Identifier";
    String long_name "Station";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4654304e+9, 1.4681088e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Sample Date";
    String source_name "sample_date";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 67.995, 70.51318;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "Lat_N";
    String standard_name "latitude";
    String units "degrees_north";
  }
  Long_E {
    Float64 actual_range -63.98764, -55.99096;
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range 296.01236, 304.00904;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Cast {
    Int16 actual_range 3, 201;
    String ioos_category "Unknown";
    String long_name "Cast";
  }
  Bottle {
    Byte actual_range 1, 24;
    String ioos_category "Unknown";
    String long_name "Bottle";
  }
  bottom_depth_m {
    Int16 actual_range 127, 2216;
    String ioos_category "Location";
    String long_name "Bottom Depth M";
  }
  sample_depth_m {
    Float32 actual_range 0.6, 2050.9;
    String ioos_category "Location";
    String long_name "Sample Depth M";
  }
  Nitrite {
    Float32 actual_range 0.0, 0.69;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Nitrite In Sea Water";
    String standard_name "mole_concentration_of_nitrite_in_sea_water";
  }
  Nitrite_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "Nitrite Result Value Qualifier";
  }
  Nitrate {
    Float32 actual_range 0.0, 28.48;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Nitrate In Sea Water";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
  }
  Nitrate_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "Nitrate Result Value Qualifier";
  }
  Silicate {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 131.44;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mass Concentration Of Silicate In Sea Water";
    String standard_name "mass_concentration_of_silicate_in_sea_water";
  }
  Silicate_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "Silicate Result Value Qualifier";
  }
  Phosphate {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 2.19;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mass Concentration Of Phosphate In Sea Water";
    String standard_name "mass_concentration_of_phosphate_in_sea_water";
  }
  Phosphate_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "Phosphate Result Value Qualifier";
  }
  Ammonium {
    Float32 _FillValue NaN;
    Float32 actual_range -0.03, 1.14;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved Nutrients";
    String long_name "Mole Concentration Of Ammonium In Sea Water";
    String standard_name "mole_concentration_of_ammonium_in_sea_water";
  }
  Ammonium_result_value_qualifier {
    String ioos_category "Dissolved Nutrients";
    String long_name "Ammonium Result Value Qualifier";
  }
  TIN {
    Float32 actual_range 0.0, 28.49;
    String ioos_category "Unknown";
    String long_name "TIN";
  }
  TIN_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "TIN Result Value Qualifier";
  }
  Type {
    String ioos_category "Unknown";
    String long_name "Type";
  }
  delta_18O_H2O {
    Float32 _FillValue NaN;
    Float32 actual_range -2.55, 0.42;
    String ioos_category "Unknown";
    String long_name "Delta 18 O H2 O";
  }
  delta_18O_H2O_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "Delta 18 O H2 O Result Value Qualifier";
  }
  TIC {
    Float64 _FillValue NaN;
    Float64 actual_range 1033.456781, 2279.202407;
    String ioos_category "Unknown";
    String long_name "TIC";
  }
  TIC_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "TIC Result Value Qualifier";
  }
  ALK {
    Float64 _FillValue NaN;
    Float64 actual_range 2176.049081, 2315.238146;
    String ioos_category "Unknown";
    String long_name "ALK";
  }
  ALK_result_value_qualifier {
    String ioos_category "Unknown";
    String long_name "ALK Result Value Qualifier";
  }
  Bot_S_PSU {
    Float64 _FillValue NaN;
    Float64 actual_range 31.74609005, 34.66143506;
    String ioos_category "Salinity";
    String long_name "Bot S PSU";
  }
  Bot_S_PSU_result_value_qualifier {
    String ioos_category "Salinity";
    String long_name "Bot S PSU Result Value Qualifier";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Centre for Earth Observation Science";
    String Data_collection_end_date "2016-08-23";
    String Data_collection_start_date "2016-06-09";
    String Dataset_Author "Burgers, Tonya";
    String Dataset_Author_Affiliation "The Centre for Earth Observation Science, University of Manitoba";
    String Dataset_Author_Email "tonya.burgers@umanitoba.ca";
    String Dataset_Contributor_1 "Miller, Lisa";
    String Dataset_Contributor_2 "Davelaar, Marty";
    String Dataset_Contributor_3 "Caleb, Danielle";
    String Dataset_Contributor_4 "Tremblay, Jean-Eric";
    String Dataset_Contributor_5 "Deslongchamps, Gabriele";
    String Dataset_Contributor_6 "Mucci, Alfonso";
    String Dataset_Contributor_Afiliation_1 "Institute of Ocean Sciences";
    String Dataset_Contributor_Afiliation_2 "Fisheries and Oceans Canada";
    String Dataset_Contributor_Afiliation_3 "Fisheries and Oceans Canada";
    String Dataset_Contributor_Afiliation_4 "Universite Laval";
    String Dataset_Contributor_Afiliation_5 "Universite Laval";
    String Dataset_Contributor_Afiliation_6 "McGill University";
    String Dataset_Contributor_Email_1 "Lisa.Miller@dfo-mpo.gc.ca";
    String Dataset_Contributor_Email_2 "Marty.Davelaar@dfo-mpo.gc.ca";
    String Dataset_Contributor_Email_3 "danielle.caleb@dfo-mpo.gc.ca";
    String Dataset_Contributor_Email_4 "jean-eric.tremblay@bio.ulaval.ca";
    String Dataset_Contributor_Email_5 "gabriele.deslongchamps.1@ulaval.ca";
    String Dataset_Contributor_Email_6 "alfonso.mucci@mcgill.ca";
    String Dataset_Contributor_Role_1 "Researcher";
    String Dataset_Contributor_Role_2 "Researcher";
    String Dataset_Contributor_Role_3 "Researcher";
    String Dataset_Contributor_Role_4 "Researcher";
    String Dataset_Contributor_Role_6 "Researcher";
    Float64 Dataset_Level 1.5;
    String Dataset_Maintenance_&_Update_Frequency "None Planned";
    String Dataset_Status "Complete";
    String Dataset_Summary "Carbonate chemistry dataset, including associated nutrient data (from the CTD/Rosette system) and stable oxygen isotope (O-18) measurements from Legs 1 and 2 of the 2016 cruise of CCGS Amundsen through the eastern Canadian Arctic (Baffin Bay, Nares Strait, Lancaster Sound, and Coronation Gulf).";
    Float64 Dataset_Version 1.0;
    Float64 Easternmost_Easting 304.00904;
    String featureType "Point";
    Float64 geospatial_lat_max 70.51318;
    Float64 geospatial_lat_min 67.995;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 304.00904;
    Float64 geospatial_lon_min 296.01236;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-06-13T11:53:11Z https://canwin-datahub.ad.umanitoba.ca/data/dataset/arcticnet-nutrient-and-inorganic-carbon-dataset-2016
2024-06-13T11:53:11Z http://CanWINerddap.ad.umanitoba.ca/erddap/tabledap/Greenedge_raw_file_3299_875e_e214.html";
    String infoUrl "https://canwin-datahub.ad.umanitoba.ca/data/dataset/arcticnet-nutrient-and-inorganic-carbon-dataset-2016";
    String institution "Centre for Earth Observation Science";
    String keywords "Arctic Ocean, Carbonate, Chemistry, Nutrients";
    String keywords_vocabulary "Polar Data Catalogue";
    String license "Creative Commons Attribution 4.0 International";
    Float64 Northernmost_Northing 70.51318;
    String Research_Area "Beaufort Sea";
    String sourceUrl "https://canwin-datahub.ad.umanitoba.ca/data/dataset/arcticnet-nutrient-and-inorganic-carbon-dataset-2016";
    Float64 Southernmost_Northing 67.995;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "project_name, platform_name, Cruise, Nitrite_result_value_qualifier, Nitrate_result_value_qualifier, TIN_result_value_qualifier, Type";
    String summary "Carbonate chemistry data from the Greenedge project, including associated nutrient data (from the CTD/Rosette system) and stable oxygen isotope (O-18) measurements from Legs 1 and 2 of the 2016 cruise of CCGS Amundsen through the eastern Canadian Arctic (Baffin Bay, Nares Strait, Lancaster Sound, and Coronation Gulf). Data headers are unstandardized, and this data is used as input to the CCADI Semantic Mediator as a use case.";
    String time_coverage_end "2016-07-10T00:00:00Z";
    String time_coverage_start "2016-06-09T00:00:00Z";
    String title "Greenedge raw nutrient data for CCADI semantic mediator";
    String Type "Dataset";
    Float64 Westernmost_Easting 296.01236;
  }
}

 

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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