ERDDAP > griddap > Data Access Form

Dataset Title:	INGV Mediterranean Sea Reanalysis 1987-2018 2D Fields
Institution:	Istituto Nazionale di Geofisica e Vulcanologia - Bologna, Italy   (Dataset ID: MedRea16_2D)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Make a graph

 

Dimensions	Start	Stride	Stop	Size	Spacing
time (UTC)				11688	1 day (even)
latitude (degrees_north)				253	0.0625 (even)
longitude (degrees_east)				821	0.0625 (even)

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

sossheig (Sea Surface Height, m)

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).

(Documentation / Bypass this form)
 
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 5.364576e+8, 1.5462144e+9;
    String axis "T";
    String calendar "standard";
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 30.1875, 45.9375;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 45.9375;
    Float32 valid_min 30.1875;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -15.0, 36.25;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 36.25;
    Float32 valid_min -15.0;
  }
  sossheig {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Sea Level";
    String long_name "Sea Surface Height";
    Float32 missing_value NaN;
    String standard_name "sea_surface_height_above_geoid";
    String units "m";
    Float32 valid_max 1.0;
    Float32 valid_min -1.0;
  }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.7.4,hdf5=1.12.0,";
    String bulletin_date "2021-10-30";
    String bulletin_type "reanalysis";
    String cdm_data_type "Grid";
    String comment "Please visit https://medforecast.bo.ingv.it/ for product details";
    String contact "info.products@ingv.it";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "info.products@ingv.it";
    String creator_name "Istituto Nazionale di Geofisica e Vulcanologia - Bologna, Italy";
    String creator_url "https://medforecast.bo.ingv.it/";
    Float64 Easternmost_Easting 36.25;
    String field_type "daily_mean_centered_at_time_field";
    Float64 geospatial_lat_max 45.9375;
    Float64 geospatial_lat_min 30.1875;
    Float64 geospatial_lat_resolution 0.0625;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 36.25;
    Float64 geospatial_lon_min -15.0;
    Float64 geospatial_lon_resolution 0.0625;
    String geospatial_lon_units "degrees_east";
    String history 
"MFS E1R1
2024-11-15T11:44:46Z (local files)
2024-11-15T11:44:46Z http://oceano.bo.ingv.it/erddap/griddap/MedRea16_2D.das";
    String infoUrl "https://medforecast.bo.ingv.it/";
    String institution "Istituto Nazionale di Geofisica e Vulcanologia - Bologna, Italy";
    String keywords "above, bologna, data, earth, Earth Science > Oceans > Sea Surface Topography > Sea Surface Height, Earth Science > Solid Earth > Geodetics/Gravity > Geoid Properties, geodetics, geofisica, geoid, gravity, height, istituto, italy, level, MedRea16, nazionale, ocean, oceans, properties, science, sea, sea level, sea_surface_height_above_geoid, solid, sossheig, surface, time, topography, vulcanologia";
    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 45.9375;
    String references "https://medforecast.bo.ingv.it/";
    String source "MFS E1R1";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 30.1875;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Please visit https://medforecast.bo.ingv.it/ for product details";
    String time_coverage_end "2018-12-31T00:00:00Z";
    String time_coverage_start "1987-01-01T00:00:00Z";
    String title "INGV Mediterranean Sea Reanalysis 1987-2018 2D Fields";
    Float64 Westernmost_Easting -15.0;
  }
}

 

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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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