EMODnet Physics ERDDAP
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Dataset Title:	RV Hesperides_thermosailnograph
Institution:	CSIC (Dataset ID: RV_Hesperides_thermosalinograph)
Range:	longitude = -72.109886 to -15.154888°E, latitude = -67.84931 to 28.780924°N, time = 2022-02-12 to 2023-03-16
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form \| Files

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Server-side Functions

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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:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  cruise_id {
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.644624003e+9, 1.678967772e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -72.109884, -15.1548877;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String source_name "Longitude [degrees_east]";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -67.849312, 28.7809246;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "Latitude [degrees_north]";
    String standard_name "latitude";
    String units "degrees_north";
  }
  Temperature {
    Float32 _FillValue NaN;
    Float32 actual_range -0.812, 30.5593;
    String long_name "Temperature [Degrees Celsius]";
  }
  Salinity {
    Float32 _FillValue NaN;
    Float32 actual_range 28.003, 37.2882;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "CSIC";
    String creator_type "institution";
    String creator_url "https://www.csic.es/en";
    Float64 Easternmost_Easting -15.1548877;
    Float64 geospatial_lat_max 28.7809246;
    Float64 geospatial_lat_min -67.849312;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -15.1548877;
    Float64 geospatial_lon_min -72.109884;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-04-27T22:29:11Z (local files)
2024-04-27T22:29:11Z https://erddap.emodnet-physics.eu/tabledap/RV_Hesperides_thermosalinograph.das";
    String infoUrl "http://data.utm.csic.es/";
    String institution "CSIC";
    String keywords "gamboa, Oceans, practical, Salinity, sea_water_practical_salinity, seawater temperature";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC-BY";
    Float64 Northernmost_Northing 28.7809246;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -67.849312;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "cruise_id";
    String summary "Thermosailnograph of RV Hesperides. Sea surface practical salinity and temperture";
    String time_coverage_end "2023-03-16";
    String time_coverage_start "2022-02-12";
    String title "RV Hesperides_thermosailnograph";
    Float64 Westernmost_Easting -72.109884;
  }
}

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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