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Dataset Title:  Gulf of America Absolute Dynamic Topography daily average data 2006 Subscribe RSS
Institution:  CLS, CNES   (Dataset ID: SSH_GoA_2006)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      365    1 day (even)
  < slider >
 latitude (degrees_north) ?      120    0.125 (even)
  < slider >
 longitude (degrees_east) ?      160    0.125 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables) 
 adt (Absolute dynamic topography, m) ?

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 1.1360736e+9, 1.1675232e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String unit_long "Days Since 1950-01-01";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 17.0625, 31.9375;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -98.9375, -79.0625;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  adt {
    Float64 _FillValue -214748.3647;
    Float64 colorBarMaximum 2.0;
    Float64 colorBarMinimum -2.0;
    String ioos_category "Sea Level";
    String long_name "Absolute dynamic topography";
    String standard_name "sea_surface_height_above_geoid";
    String units "m";
  }
  NC_GLOBAL {
    String acknowledgment "E.U. Copernicus Marine Service Information; https://doi.org/10.48670/moi-00148";
    String cdm_data_type "Grid";
    String comment "Sea Surface Height measured by Altimetry and derived variables";
    String contact "servicedesk.cmems@mercator-ocean.eu";
    String Conventions "CF-1.11, COARDS, ACDD-1.3, IOOS-1.2";
    String copernicusmarine_version "2.0.1";
    String creator_country "European Union";
    String creator_email "servicedesk.cmems@mercator-ocean.eu";
    String creator_institution "CLS, CNES";
    String creator_name "CLS, CNES";
    String creator_sector "other";
    String creator_type "institution";
    String creator_url "http://marine.copernicus.eu";
    Float64 Easternmost_Easting -79.0625;
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 31.9375;
    Float64 geospatial_lat_min 17.0625;
    Float64 geospatial_lat_resolution 0.125;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -79.0625;
    Float64 geospatial_lon_min -98.9375;
    Float64 geospatial_lon_resolution 0.125;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-10-23 12:55:06Z: Creation
2025-03-14T22:57:54Z (local files)
2025-03-14T22:57:54Z https://gcoos5.geos.tamu.edu/erddap/griddap/SSH_GoA_2006.das";
    String id "SSH_GoA_2006";
    String infoUrl "http://marine.copernicus.eu";
    String institution "CLS, CNES";
    String instrument "radar altimeter";
    String instrument_vocabulary "GCMD Science Keywords Version 9.1.5";
    String keywords "above, absolute, adt, all, centre, cls, cnes, collecte, data, derived, duacs, dynamic, earth, Earth Science > Oceans > Sea Surface Topography > Sea Surface Height, Earth Science > Solid Earth > Geodetics/Gravity > Geoid Properties, etudes, geodetics, geoid, global, gravity, gridded, height, L4, latitude, localisation, longitude, merged, national, near, nrt, ocean, oceans, product, properties, real, satellites, science, sea, sea_surface_height_above_geoid, solid, spatiales, ssalto, ssh, surface, time, topography";
    String keywords_vocabulary "GCMD Science Keywords Version 9.1.5, CF Standard Names v72";
    String license "https://marine.copernicus.eu/user-corner/service-commitments-and-licence";
    String naming_authority "Copernicus Marine Service";
    Float64 Northernmost_Northing 31.9375;
    String platform "satellites";
    String platform_name "multiple";
    String platform_vocabulary "https://mmisw.org/ont/ioos/platform";
    String publisher_country "USA";
    String publisher_email "data@gcoos.org";
    String publisher_institution "GCOOS";
    String publisher_name "GCOOS";
    String publisher_phone "+1-979-845-3900";
    String publisher_type "group";
    String publisher_url "https://gcoos.org";
    String references "E.U. Copernicus Marine Service Information; https://doi.org/10.48670/moi-00148";
    String source "Altimetry measurements";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 17.0625;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subset_datasetId "cmems_obs-sl_glo_phy-ssh_my_allsat-l4-duacs-0.125deg_P1D_202411";
    String subset_date "2025-01-07T14:18:16.899Z";
    String subset_productId "SEALEVEL_GLO_PHY_L4_MY_008_047";
    String subset_source "ARCO data downloaded from the Marine Data Store using the MyOcean Data Portal";
    String summary "Gulf of America Sea Surface Height measured by satellite altimetry and derived variables";
    String testOutOfDate "now-98days";
    String time_coverage_end "2006-12-31T00:00:00Z";
    String time_coverage_start "2006-01-01T00:00:00Z";
    String title "Gulf of America Absolute Dynamic Topography daily average data 2006";
    Float64 Westernmost_Easting -98.9375;
  }
}

 

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.

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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