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Dataset Title:  SST, AQUA_MODIS, L3m.DAY.SST.sst.4km.NRT, Not Masked, SMI, NASA GSFC OBPG,
R2019.0, Global, 0.04166°, 2019-present, Daily, Lon0360
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Institution:  NASA/GSFC OBPG   (Dataset ID: erdMH1sstd1dayR20190NotMasked_Lon0360)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      617    1 day 0h 42m 5s (uneven)
  < slider >
 latitude (degrees_north) ?      4320    -0.04166667 (even)
  < slider >
 longitude (degrees_east) ?      8640    0.04166667 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables)
 sst (Sea Surface Temperature, degree_C) ?
 qual_sst (Quality Levels, Sea Surface Temperature) ?

File type: (more info)

(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 1.5725664e+9, 1.627344e+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 units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -89.97917, 89.97916;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 90.0;
    Float32 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 0.0208387, 359.9792;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 180.0;
    Float32 valid_min -180.0;
  }
  sst {
    Float32 _FillValue -163.835;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Temperature";
    String long_name "Sea Surface Temperature";
    String standard_name "sea_surface_temperature";
    String units "degree_C";
    Float32 valid_max 50.0;
    Float32 valid_min -5.0;
  }
  qual_sst {
    Int16 _FillValue -1;
    String colorBarContinuous "false";
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    Int32 colorBarNSections 5;
    String ioos_category "Quality";
    String long_name "Quality Levels, Sea Surface Temperature";
    Int16 valid_max 5;
    Int16 valid_min 0;
  }
  NC_GLOBAL {
    String _lastModified "2021-07-27T13:06:33.000Z";
    String _NCProperties "version=2,netcdf=4.7.3,hdf5=1.12.0,";
    String cdm_data_type "Grid";
    String Conventions "CF-1.6 ACDD-1.3, COARDS";
    String creator_email "data@oceancolor.gsfc.nasa.gov";
    String creator_name "NASA/GSFC/OBPG";
    String creator_type "group";
    String creator_url "https://oceandata.sci.gsfc.nasa.gov";
    String date_created "2021-07-27T13:06:33.000Z";
    Float64 Easternmost_Easting 359.9792;
    Float64 geospatial_lat_max 89.97916;
    Float64 geospatial_lat_min -89.97917;
    Float64 geospatial_lat_resolution 0.04166666589488307;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.9792;
    Float64 geospatial_lon_min 0.0208387;
    Float64 geospatial_lon_resolution 0.041666669903924064;
    String geospatial_lon_units "degrees_east";
    String history 
"l3mapgen par=AQUA_MODIS.yyyyMMdd.L3m.DAY.SST.sst.4km.NRT.nc.param
Every day, erd.data@noaa.gov downloads new files from https://oceandata.sci.gsfc.nasa.gov/MODIS-Aqua/Mapped/Daily/4km/sst/
2021-07-28T17:53:41Z (local files)
2021-07-28T17:53:41Z http://coastwatch.pfeg.noaa.gov/erddap/griddap/erdMH1sstd1dayR20190NotMasked_Lon0360.das";
    String infoUrl "https://oceancolor.gsfc.nasa.gov/data/aqua/";
    String institution "NASA/GSFC OBPG";
    String instrument "MODIS";
    String keywords "aqua, biology, center, color, data, earth, Earth Science > Oceans > Ocean Optics > Sea Surface Temperature, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, flight, goddard, group, gsfc, image, imaging, L3, level, level-3, levels, mapped, moderate, modis, modisa, nasa, obpg, ocean, oceans, optics, palette, processing, qual_sst, quality, resolution, science, sea, sea_surface_temperature, smi, space, spectroradiometer, sst, standard, surface, temperature";
    String keywords_vocabulary "GCMD Science Keywords";
    String l2_flag_names "LAND,HISOLZEN";
    String license "https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/";
    String map_projection "Equidistant Cylindrical";
    String measure "Mean";
    String naming_authority "gov.nasa.gsfc.sci.oceandata";
    Float64 Northernmost_Northing 89.97916;
    String platform "Aqua";
    String processing_level "L3 Mapped";
    String processing_version "R2019.0";
    String product_name "AQUA_MODIS.yyyyMMdd.L3m.DAY.SST.sst.4km.NRT.nc";
    String project "Ocean Biology Processing Group (NASA/GSFC/OBPG)";
    String publisher_email "data@oceancolor.gsfc.nasa.gov";
    String publisher_name "NASA/GSFC/OBPG";
    String publisher_type "group";
    String publisher_url "https://oceandata.sci.gsfc.nasa.gov";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -89.97917;
    String spatialResolution "4.64 km";
    String standard_name_vocabulary "CF Standard Name Table v36";
    String summary "Sea Surface Temperature (SST), not masked, from Moderate Resolution Imaging Spectroradiometer on Aqua (MODISA), Level-3 Standard Mapped Image (SMI), from NASA GSFC OBPG, R2019.0, Global, 0.04166°, Daily";
    String temporal_range "day";
    String testOutOfDate "now-2days";
    String time_coverage_end "2021-07-27T00:00:00Z";
    String time_coverage_start "2019-11-01T00:00:00Z";
    String title "SST, AQUA_MODIS, L3m.DAY.SST.sst.4km.NRT, Not Masked, SMI, NASA GSFC OBPG, R2019.0, Global, 0.04166°, 2019-present, Daily, Lon0360";
    Float64 Westernmost_Easting 0.0208387;
  }
}

 

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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