Data Access Form

Dataset Title:	SeaDataNet - North Sea Temperature Climatology (SDC NAT CLIM TS V1 050 m), 0. 5°, 1955-2014
Institution:	SeaDataNet (Dataset ID: SDC_NS_CLIM_TS_V1_m)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Make a graph

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Dimensions	Size	Spacing
time (UTC)	12	30 days 10h 54m 33s (uneven)

depth (m)	41	17.5 (uneven)

latitude (degrees_north)	109	0.125 (even)

longitude (degrees_east)	113	0.125 (even)

Grid Variables (which always also download all of the dimension variables)

Temperature (sea water temperature, degree_C)

Temperature_L1 (sea water temperature masked using relative error threshold 0.3, degree_C)

Temperature_L2 (sea water temperature masked using relative error threshold 0.5, degree_C)

Temperature_relerr (Relative error of sea water temperature, 1)

Salinity (sea water salinity, PSU)

Salinity_L1 (sea water salinity masked using relative error threshold 0.3, PSU)

Salinity_L2 (sea water salinity masked using relative error threshold 0.5, PSU)

Salinity_relerr (Relative error of sea water salinity, 1)

File type: (more information)

(Documentation / Bypass this form)

(Please be patient. It may take a while to get the data.)

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 4.430592e+8, 4.720032e+8;
    String axis "T";
    String calendar "standard";
    String climatology "climatology_bounds";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 0.0, 700.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 48.5, 62.0;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -4.0, 10.0;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Temperature {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "time: mean within years time: mean over years";
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String long_name "sea water temperature";
    Float32 missing_value 9.96921e+36;
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  Temperature_L1 {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String long_name "sea water temperature masked using relative error threshold 0.3";
    Float32 missing_value 9.96921e+36;
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  Temperature_L2 {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String long_name "sea water temperature masked using relative error threshold 0.5";
    Float32 missing_value 9.96921e+36;
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  Temperature_relerr {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String long_name "Relative error of sea water temperature";
    Float32 missing_value 9.96921e+36;
    String units "1";
    Float32 valid_max 1.0;
    Float32 valid_min 0.0;
  }
  Salinity {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "time: mean within years time: mean over years";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String long_name "sea water salinity";
    Float32 missing_value 9.96921e+36;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  Salinity_L1 {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String long_name "sea water salinity masked using relative error threshold 0.3";
    Float32 missing_value 9.96921e+36;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  Salinity_L2 {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String long_name "sea water salinity masked using relative error threshold 0.5";
    Float32 missing_value 9.96921e+36;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  Salinity_relerr {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String long_name "Relative error of sea water salinity";
    Float32 missing_value 9.96921e+36;
    String units "1";
    Float32 valid_max 1.0;
    Float32 valid_min 0.0;
  }
  NC_GLOBAL {
    String area_keywords "North Sea";
    String area_keywords_urn "SDN:C19::1_2";
    String Author_e_mail "Serge Scory <sscory@naturalsciences.be>, Charles Troupin <ctroupin@uliege.be>";
    String bathymetry_source "The GEBCO Digital Atlas published by the British Oceanographic Data Centre on behalf of IOC and IHO, 2003";
    String cdm_data_type "Grid";
    String comment "Merged dataset";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_name "Royal Belgian Institute of Natural Sciences, Operational Directorate Natural Environment, Belgian Marine Data Centre";
    String creator_url "https://wwz.ifremer.fr/";
    String data_access "http://sdn.oceanbrowser.net/data/SeaDataCloud-domains";
    String date "2019-07-18T15:42:55";
    String documentation "https://dx.doi.org/doi_of_doc";
    Float64 Easternmost_Easting 10.0;
    String file_name "./NorthSea/output/Water_body_Temperature_NorthSea.4Danl_monthly_merged.nc";
    Float64 geospatial_lat_max 62.0;
    Float64 geospatial_lat_min 48.5;
    Float64 geospatial_lat_resolution 0.125;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 10.0;
    Float64 geospatial_lon_min -4.0;
    Float64 geospatial_lon_resolution 0.125;
    String geospatial_lon_units "degrees_east";
    String history 
"Observational data from SeaDataNet and World Ocean Database
2024-12-12T10:05:15Z (local files)
2024-12-12T10:05:15Z https://erddap.ifremer.fr/erddap/griddap/SDC_NS_CLIM_TS_V1_m.das
2024-12-21T12:42:46Z https://erddap.ifremer.fr/erddap/griddap/SDC_NS_CLIM_TS_V1_m
2024-12-21T12:42:46Z http://erddap.emodnet-physics.eu/erddap/griddap/SDC_NS_CLIM_TS_V1_m.das";
    String infoUrl "https://doi.org/10.13155/57330";
    String institution "SeaDataNet";
    String institution_urn "SDN:EDMO::3330";
    String keywords "analysis, belgian, centre, clim, climatology, data, density, depth, directorate, diva, earth, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity, environment, error, institute, latitude, longitude, marine, masked, month, monthly, natural, northsea, ocean, oceans, operational, practical, relative, royal, salinity, Salinity_L1, Salinity_L2, Salinity_relerr, science, sciences, sdc, sea, sea_water_practical_salinity, sea_water_temperature, seadatanet, seawater, temperature, temperature_l1, temperature_l2, temperature_relerr, threshold, time, using, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 62.0;
    String parameter_keyword "ITS-90 water temperature";
    String parameter_keyword_urn "SDN:P35::WATERTEMP";
    String product_code "something-to-decide";
    String product_id "f2ac552e-a961-11e9-3e11-c1c0caedec83";
    String product_version "1.0";
    String production "DIVA group";
    String project "SeaDataCloud";
    String search_keywords "Temperature of the water column";
    String search_keywords_urn "SDN:P02::TEMP";
    String source "Observational data from SeaDataNet and World Ocean Database";
    String sourceUrl "https://erddap.ifremer.fr/erddap/griddap/SDC_NS_CLIM_TS_V1_m";
    Float64 Southernmost_Northing 48.5;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Merged dataset. Royal Belgian Institute of Natural Sciences, Operational Directorate Natural Environment, Belgian Marine Data Centre data from a local source.";
    String time_coverage_end "1984-12-16T00:00:00Z";
    String time_coverage_start "1984-01-16T00:00:00Z";
    String title "SeaDataNet - North Sea Temperature Climatology (SDC NAT CLIM TS V1 050 m), 0.5°, 1955-2014";
    String WEB_visualisation "http://sdn.oceanbrowser.net/web-vis/";
    Float64 Westernmost_Easting -4.0;
  }
}

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its projection 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. It makes 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.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.

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