EMODnet Physics ERDDAP
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Data Access Form

Dataset Title:	EMODnet Physics - Collection of Nitrate + Nitrite (NTRZ) Profiles - MultiPointProfilesObservation
Institution:	EMODnet Physics (Dataset ID: PR_NTRZ)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Make a graph

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Variable

Optional
Constraint #1

Optional
Constraint #2

Minimum

or a List of Values

Maximum

PLATFORMCODE (EMODnet Platform Code)

SOURCE

SENSOR (Platform Sensor)

time (Valid Time GMT, UTC)

2011-05-10T07:22:00Z

2024-04-14T17:45:00Z

TIME_QC (TIME quality flag, 1)

depth (m)

0.0

2883.800048828125

DEPTH_QC (DEPTH quality flag, 1)

-127

latitude (degrees_north)

35.422000885009766

65.16670227050781

longitude (degrees_east)

-9.789999961853027

25.134000778198242

POSITION_QC (POSITION quality flag, 1)

NTRZ (Nitrate + Nitrite, mmole/m3)

0.009999999776482582

26.0

NTRZ_QC (NTRZ quality flag, 1)

-127

NTRZ_DM

url_metadata (Metadata Link)

qc_entity

Server-side Functions

distinct()

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File type: (more information)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  PLATFORMCODE {
    String cf_role "profile_id";
    String long_name "EMODnet Platform Code";
  }
  SOURCE {
    String long_name "source";
  }
  SENSOR {
    String long_name "Platform Sensor";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.30501212e+9, 1.7131167e+9;
    String axis "T";
    String calendar "Gregorian";
    String ioos_category "Time";
    String long_name "Valid Time GMT";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  TIME_QC {
    Int16 _FillValue -32767;
    Int16 actual_range 1, 1;
    String flag_meanings "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "TIME quality flag";
    String units "1";
    Int16 valid_range 0, 9;
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.0, 2883.800048828125;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  DEPTH_QC {
    Int16 _FillValue -32767;
    Int16 actual_range -127, 9;
    String flag_meanings "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "DEPTH quality flag";
    String standard_name "depth";
    String units "1";
    Int16 valid_range 0, 9;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 35.422000885009766, 65.16670227050781;
    String axis "Y";
    String ioos_category "Location";
    String latitude_reference_datum "geographical coordinates, WGS84 projection";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range -9.789999961853027, 25.134000778198242;
    String axis "X";
    String ioos_category "Location";
    String latitude_reference_datum "geographical coordinates, WGS84 projection";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  POSITION_QC {
    Int16 _FillValue -32767;
    Int16 actual_range 1, 1;
    String flag_meanings "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "POSITION quality flag";
    String units "1";
    Int16 valid_range 0, 9;
  }
  NTRZ {
    Float64 _FillValue 9.969209968386869e+36;
    Float64 actual_range 0.009999999776482582, 26.0;
    String ep_parameter_group "Water conductivity/ BioGeoChemical";
    String long_name "Nitrate + Nitrite";
    String sample_rate_comment "Hourly: 3600, Daily: 8.64e4, Monthly: 2.628e6, Yearly: 3.154e7";
    String sample_rate_units "seconds";
    String SDN "SDN:P01::NTRZZZXX";
    String source_variable_name "NTRZ";
    String standard_name "mole_concentration_of_nitrate_and_nitrite_in_sea_water";
    String units "mmole/m3";
  }
  NTRZ_QC {
    Int16 _FillValue -32767;
    Int16 actual_range -127, 9;
    String flag_meanings "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed not_used nominal_value interpolated_value missing_value";
    String long_name "NTRZ quality flag";
    String units "1";
    Int16 valid_range 0, 9;
  }
  NTRZ_DM {
    String actual_range 
"\u0000
\u0000";
    String flag_meanings "real-time provisional delayed-mode mixed";
    String flag_values "R, P, D, M";
    String long_name "NTRZ method of data processing";
  }
  url_metadata {
    String long_name "Metadata Link";
  }
  qc_entity {
    Int32 actual_range 14, 15;
    String qc_reference_table "https://er2webapps.emodnet-physics.eu/erddap/tabledap/qc_reference_table.htmlTable";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Profile";
    String cdm_profile_variables "PLATFORMCODE,time";
    String citation "Data are the property of the producer/owner distributed through EMODnet Physics. EMODnet Physics and the partners are not responsible for improper use";
    String contact "contacts@emodnet-physics.eu";
    String Conventions "CF-1.6 OceanSITES-Manual-1.2 Copernicus-InSituTAC-SRD-1.3 Copernicus-InSituTAC-ParametersList-3.0.0, COARDS, ACDD-1.3";
    String creator_type "institution";
    Float64 Easternmost_Easting 25.134000778198242;
    String ep_parameter_group "Water conductivity/ BioGeoChemical";
    String featureType "Profile";
    Float64 geospatial_lat_max 65.16670227050781;
    Float64 geospatial_lat_min 35.422000885009766;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 25.134000778198242;
    Float64 geospatial_lon_min -9.789999961853027;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 2883.800048828125;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-04-30T15:29:02Z (local files)
2025-04-30T15:29:02Z http://ercompwebapps.emodnet-physics.eu/erddap/tabledap/PR_NTRZ.html";
    String infoUrl "http://www.emodnet-physics.eu";
    String institution "EMODnet Physics";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "Creative Commons Attribution Share-Alike http://www.opendefinition.org/licenses/cc-by-sa";
    Float64 manual 1;
    String metadata_dataset "https://er2webapps.emodnet-physics.eu/erddap/tabledap/PR_NTRZ_METADATA.html";
    String metadata_document "https://metadata.emodnet-physics.eu/datasetfile/emodnet/PR_NTRZ";
    Float64 Northernmost_Northing 65.16670227050781;
    String platformType_description "Botte Samples";
    String publisher_type "institution";
    String qc_reference_table "https://er2webapps.emodnet-physics.eu/erddap/tabledap/qc_reference_table.html";
    String SDN "SDN:P01::NTRZZZXX";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 35.422000885009766;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String stato "A";
    String subsetVariables "PLATFORMCODE,SOURCE";
    String summary "EMODnet Physics - Collection of Nitrate + Nitrite (NTRZ) Profiles - MultiPointProfilesObservation";
    String testOutOfDate "now-7days";
    String time_coverage_end "2024-04-14T17:45:00Z";
    String time_coverage_start "2011-05-10T07:22:00Z";
    String title "EMODnet Physics - Collection of Nitrate + Nitrite (NTRZ) Profiles - MultiPointProfilesObservation";
    Float64 Westernmost_Easting -9.789999961853027;
  }
}

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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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