ERDDAP > griddap > Data Access Form

Dataset Title:	Baltic Sea, Gulf of Riga, DIVAnd 4D seasonal analysis of Water body dissolved oxygen concentration 1993/2022 v2025 [observations]
Institution:	Swedish Meteorological and Hydrological Institute   (Dataset ID: oceanbrowser_opendap_f08f_7ee8_e89d)
Information:	Summary | License | Metadata | Background | Make a graph

 

Dimensions	Start	Stride	Stop	Size	Spacing
observations (count)				80729	1.0 (even)

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

obslon (longitude, degrees_east)

obslat (latitude, degrees_north)

obstime (Time, seconds since 1970-01-01T00:00:00Z)

obsdepth (depth below sea level, meters)

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriAscii - Download an ISO-8859-1 ESRI ASCII file (latitude longitude data only; longitude must be all below or all above 180). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .graph - View a Make A Graph web page. .help - View a web page with a description of griddap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each axis variable and each data variable becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncml - View the dataset's structure and metadata as a UTF-8 NCML .xml file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download time,latitude,longitude,otherVariables as an ODV Generic Spreadsheet File (.txt). .timeGaps - View a UTF-8 list of gaps in the time values which are larger than the median gap. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .geotif - View a grayscale GeoTIFF .tif file (for latitude longitude data; longitude must be all below or all above 180). .kml - View a Google Earth .kml file (for latitude, longitude data only). .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  observations {
    Int32 actual_range 0, 80728;
    String long_name "Observations";
    String units "count";
  }
  obslon {
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String long_name "longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  obslat {
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String long_name "latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  obstime {
    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";
  }
  obsdepth {
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String long_name "depth below sea level";
    String positive "down";
    String standard_name "depth";
    String units "meters";
  }
  NC_GLOBAL {
    String area_keywords "Gulf of Riga";
    String area_keywords_urn "SDN:C19::2_5";
    String cdm_data_type "Grid";
    String Conventions "CF-1.8, COARDS, ACDD-1.3";
    String creator_name "Swedish Meteorological and Hydrological Institute";
    String creator_url "https://doi.org/10.13120/fa5c704a-a5ea-4f60-91b5-2bf6a7aded45";
    String data_access "https://emodnet.ec.europa.eu/geoviewer";
    String date "2025-09-24T19:05:40";
    String documentation "https://doi.org/10.13120/fa5c704a-a5ea-4f60-91b5-2bf6a7aded45";
    String doi "https://doi.org/10.13120/a424aa3b-88fb-4edc-947c-28e7335a02a4";
    String file_name "Coastal_areas/Baltic_Sea_-_Gulf_of_Riga/Water_body_dissolved_oxygen_concentration.nc";
    String history 
"2026-03-13T23:58:08Z http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2025/Coastal_areas-water_body/Baltic_Sea_-_Gulf_of_Riga/Water_body_dissolved_oxygen_concentration.nc
2026-03-13T23:58:08Z https://erddap.emodnet.eu/erddap/griddap/oceanbrowser_opendap_f08f_7ee8_e89d.das";
    String id "DatasetScan/emodnet-projects/v2025/Coastal_areas-water_body/Baltic_Sea_-_Gulf_of_Riga/Water_body_dissolved_oxygen_concentration.nc";
    String infoUrl "https://doi.org/10.13120/fa5c704a-a5ea-4f60-91b5-2bf6a7aded45";
    String institution "Swedish Meteorological and Hydrological Institute";
    String institution_urn "SDN:EDMO::545";
    String keywords "analysis, baltic, below, body, concentration, data, depth, dissolved, divand, gulf, hydrological, institute, latitude, level, longitude, meteorological, O2, obsdepth, observations, obslat, obslon, obstime, oxygen, riga, sea, seasonal, seawater, swedish, time, v2025, water";
    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.";
    String parameter_keyword "Water body dissolved oxygen concentration";
    String parameter_keyword_urn "SDN:P35::EPC00002";
    String product_code "Gulf of Riga-Water_body_dissolved_oxygen_concentration-v2025-ANA";
    String product_id "a424aa3b-88fb-4edc-947c-28e7335a02a4";
    String product_version "v2025";
    String project "EMODnet Chemistry - Phase 5";
    String search_keywords "Dissolved oxygen parameters in the water column";
    String search_keywords_urn "SDN:P02::DOXY";
    String sourceUrl "http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2025/Coastal_areas-water_body/Baltic_Sea_-_Gulf_of_Riga/Water_body_dissolved_oxygen_concentration.nc";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Baltic Sea - Gulf of Riga - DIVAnd 4D seasonal analysis of Water body dissolved oxygen concentration 1993/2022 v2025 (Baltic Sea - Gulf of Riga, Water body dissolved oxygen concentration)";
    String title "Baltic Sea, Gulf of Riga, DIVAnd 4D seasonal analysis of Water body dissolved oxygen concentration 1993/2022 v2025 [observations]";
    String WEB_visualisation "https://emodnet.ec.europa.eu/geoviewer";
  }
}

 

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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 Data Access Protocol (DAP) and its projection 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.

• (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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