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Dataset Title:  Wind Stress, QuikSCAT SeaWinds, 0.125°, Global, Science Quality, 1999-2009 (8
Day), Lon+/-180
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Institution:  NOAA NMFS SWFSC ERD   (Dataset ID: erdQSstress8day_LonPM180)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (Centered Time, UTC) ?      3770    1 day (even)
  < slider >
 altitude (m) ?      1    (just one value)
  < slider >
 latitude (degrees_north) ?      1201    0.125 (even)
  < slider >
 longitude (degrees_east) ?      2880    0.125 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables) 
 taux (Zonal Wind Stress, Pa) ?
 tauy (Meridional Wind Stress, Pa) ?
 curl (Curl of Wind Stress, Pa m-1) ?
 modStress (Modulus of Wind Stress, Pa) ?
 upwelling (Ekman Upwelling, m s-1) ?

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 9.328608e+8, 1.2585024e+9;
    String axis "T";
    Int32 fraction_digits 0;
    String ioos_category "Time";
    String long_name "Centered Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    Int32 fraction_digits 0;
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -75.0, 75.0;
    String axis "Y";
    String coordsys "geographic";
    Int32 fraction_digits 2;
    String ioos_category "Location";
    String long_name "Latitude";
    String point_spacing "even";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -180.0, 179.875;
    String axis "X";
    String coordsys "geographic";
    Int32 fraction_digits 2;
    String ioos_category "Location";
    String long_name "Longitude";
    String point_spacing "even";
    String standard_name "longitude";
    String units "degrees_east";
  }
  taux {
    Float32 _FillValue -9999999.0;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String coordsys "geographic";
    Int32 fraction_digits 2;
    String ioos_category "Wind";
    String long_name "Zonal Wind Stress";
    Float32 missing_value -9999999.0;
    String standard_name "surface_downward_eastward_stress";
    String units "Pa";
  }
  tauy {
    Float32 _FillValue -9999999.0;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String coordsys "geographic";
    Int32 fraction_digits 2;
    String ioos_category "Wind";
    String long_name "Meridional Wind Stress";
    Float32 missing_value -9999999.0;
    String standard_name "surface_downward_northward_stress";
    String units "Pa";
  }
  curl {
    Float32 _FillValue -9999999.0;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String coordsys "geographic";
    Int32 fraction_digits 8;
    String ioos_category "Wind";
    String long_name "Curl of Wind Stress";
    Float32 missing_value -9999999.0;
    String standard_name "surface_downward_northward_stress";
    String units "Pa m-1";
  }
  modStress {
    Float32 _FillValue -9999999.0;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum 0.0;
    String colorBarPalette "WhiteRedBlack";
    String coordsys "geographic";
    Int32 fraction_digits 2;
    String ioos_category "Wind";
    String long_name "Modulus of Wind Stress";
    Float32 missing_value -9999999.0;
    String standard_name "surface_downward_northward_stress";
    String units "Pa";
  }
  upwelling {
    Float32 _FillValue -9999999.0;
    Float64 colorBarMaximum 2.0e-5;
    Float64 colorBarMinimum -2.0e-5;
    String coordsys "geographic";
    Int32 fraction_digits 6;
    String ioos_category "Currents";
    String long_name "Ekman Upwelling";
    Float32 missing_value -9999999.0;
    String units "m s-1";
  }
  NC_GLOBAL {
    String acknowledgement "NOAA NESDIS COASTWATCH, NOAA SWFSC ERD";
    String cdm_data_type "Grid";
    String composite "true";
    String contributor_name "Remote Sensing Systems, Inc.";
    String contributor_role "Source of level 2 data.";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "erd.data@noaa.gov";
    String creator_name "NOAA NMFS SWFSC ERD";
    String creator_type "institution";
    String creator_url "https://www.pfeg.noaa.gov";
    String date_created "2010-10-30";
    String date_issued "2010-10-30";
    String defaultGraphQuery "&.draw=vectors";
    Float64 Easternmost_Easting 179.875;
    Float64 geospatial_lat_max 75.0;
    Float64 geospatial_lat_min -75.0;
    Float64 geospatial_lat_resolution 0.125;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 179.875;
    Float64 geospatial_lon_min -180.0;
    Float64 geospatial_lon_resolution 0.125;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"Remote Sensing Systems, Inc.
2010-10-30T03:40:19Z NOAA CoastWatch (West Coast Node) and NOAA SFSC ERD
2024-12-05T18:35:11Z (local files)
2024-12-05T18:35:11Z https://coastwatch.pfeg.noaa.gov/erddap/griddap/erdQSstress8day_LonPM180.das";
    String infoUrl "https://coastwatch.pfeg.noaa.gov/infog/QS_taux_las.html";
    String institution "NOAA NMFS SWFSC ERD";
    String keywords "altitude, atmosphere, atmospheric, coast, coastwatch, data, degrees, downward, Earth Science > Atmosphere > Atmospheric Winds > Wind Stress, Earth Science > Oceans > Ocean Winds > Wind Stress, eastward, global, noaa, node, ocean, oceans, QStaux, quality, quikscat, science, science quality, seawinds, stress, surface, surface_downward_eastward_stress, time, wcn, west, wind, winds, zonal";
    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.";
    String naming_authority "gov.noaa.pfeg.coastwatch";
    Float64 Northernmost_Northing 75.0;
    String origin "Remote Sensing Systems, Inc.";
    String processing_level "3";
    String project "CoastWatch (https://coastwatch.noaa.gov/)";
    String projection "geographic";
    String projection_type "mapped";
    String publisher_email "erd.data@noaa.gov";
    String publisher_name "NOAA NMFS SWFSC ERD";
    String publisher_type "institution";
    String publisher_url "https://www.pfeg.noaa.gov";
    String references "NASA/JPL Winds: https://winds.jpl.nasa.gov/ .";
    String satellite "QuikSCAT";
    String sensor "SeaWinds";
    String source "satellite observation: QuikSCAT, SeaWinds";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -75.0;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "NOAA CoastWatch distributes science quality wind stress data in zonal, meridional, modulus, and wind stress curl sets.  This data begins with wind velocity measurements from the SeaWinds instrument onboard NASA's QuikSCAT satellite.  SeaWinds is a microwave scatterometer designed to measure surface winds over the global ocean.  NOAA CoastWatch processes wind velocity to wind stress and wind stress curl. (This is an 8 day composite.)";
    String time_coverage_end "2009-11-18T00:00:00Z";
    String time_coverage_start "1999-07-25T00:00:00Z";
    String title "Wind Stress, QuikSCAT SeaWinds, 0.125°, Global, Science Quality, 1999-2009 (8 Day), Lon+/-180";
    Float64 Westernmost_Easting -180.0;
  }
}

 

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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