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Dataset Title:  Sea Surface Wind Stress (Experimental), NOAA NCEI blended daily averaged 0.25°
Version 2.0, Science Quality (1987-recent), Daily
  RSS
Institution:  NOAA/NCEI   (Dataset ID: noaacwBlendedWindStressDaily)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      12941    1 day 0h 2m 7s (uneven)
  < slider >
 zlev (meters) ?      1    (just one value)
  < slider >
 latitude (degrees_north) ?      719    0.25 (even)
  < slider >
 longitude (degrees_east) ?      1440    0.25 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables) 
 taux (Sea Surface Wind Stress: x-component, N m-2) ?
 tauy (Sea Surface Wind Stress: y-component, N m-2) ?
 mask (Blended Wind land/ocean/lake/river mask, degrees) ?

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 5.52852e+8, 1.6725096e+9;
    String axis "T";
    String calendar "gregorian";
    String coverage_content_type "coordinate";
    String ioos_category "Time";
    String long_name "Center Time of the Data";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  zlev {
    Float32 actual_range 10.0, 10.0;
    String axis "Z";
    String coverage_content_type "coordinate";
    String ioos_category "Location";
    String long_name "height above sea level";
    String positive "up";
    String standard_name "altitude";
    String units "meters";
    Float32 valid_max 10.0;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -89.75, 89.75;
    String axis "Y";
    String coverage_content_type "coordinate";
    String grids "uniform grids from -89.75 to 89.75 by 0.25";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 89.75;
    Float32 valid_min -89.75;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 0.0, 359.75;
    String axis "X";
    String coverage_content_type "coordinate";
    String grids "uniform grids from 0.00 to 359.75 by 0.25";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 359.75;
    Float32 valid_min 0.0;
  }
  taux {
    Float32 _FillValue -9999.0;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String coverage_content_type "physicalMeasurement";
    String height "10 m";
    String ioos_category "Wind";
    String long_name "Sea Surface Wind Stress: x-component";
    String standard_name "surface_downward_eastward_stress";
    String units "N m-2";
  }
  tauy {
    Float32 _FillValue -9999.0;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String coverage_content_type "physicalMeasurement";
    String height "10 m";
    String ioos_category "Wind";
    String long_name "Sea Surface Wind Stress: y-component";
    String standard_name "surface_downward_northward_stress";
    String units "N m-2";
  }
  mask {
    Int32 _FillValue -9999;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String coverage_content_type "auxiliaryInformation";
    String ioos_category "Identifier";
    String long_name "Blended Wind land/ocean/lake/river mask";
    String mask_values "0=land, 1=ocean, 2=lake, 3=river, 6=model";
    String standard_name "land_binary_mask";
    String units "degrees";
  }
  NC_GLOBAL {
    String acknowledgement "The gridded data were generated from the multiple satellite observations of DOD, NOAA and NASA (and future others) and wind retrievals of the Remote Sensing Systems, Inc. (http://www.remss.com), using scientific methods such as objective analysis (OA). The OA is only truly objective when the needed statistics are completely known, which may not always be the case. The ERA-5 wind directions and stresses were downloaded from the Copernicus Climate Change Service (C3S) Climate Data Store";
    String cdm_data_type "Grid";
    String comment "Global Blended 10m Ocean Surface Wind Stresses, Experimental Early Release Copy of near-real time data";
    String contributor_name "Korak Saha, Huai-min Zhang";
    String contributor_role "PI";
    String Conventions "CF-1.7, ACDD-1.3, COARDS";
    String creator_email "ncei.seawinds@noaa.gov";
    String creator_institution "US DOC; NOAA; National Environmental Satellite Data and Information Service; National Centers for Environmental Information";
    String creator_name "NCEI";
    String creator_type "institution";
    String creator_url "https://www.ncei.noaa.gov/products/blended-sea-winds";
    String date_created "2023-01-10T13:00:35.193820Z";
    String date_metadata_modified "2023-01-10T13:00:35.194352Z";
    String date_modified "2023-01-10T13:00:35.193838Z";
    Float64 Easternmost_Easting 359.75;
    String geospatial_bounds "POLYGON ((0 -89.75, 0 89.75, 359.75 89.75, 359.75 -89.75, 0 -89.75))";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 89.75;
    Float64 geospatial_lat_min -89.75;
    Float64 geospatial_lat_resolution 0.25;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.75;
    Float64 geospatial_lon_min 0.0;
    Float64 geospatial_lon_resolution 0.25;
    String geospatial_lon_units "degrees_east";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    String grid_mapping_name "latitude_longitude";
    Float64 grid_mapping_semi_major_axis 6378137.0;
    String history 
"Simple spatiotemporally weighted Interpolation (SI), V.1.2. Version 1.2 uses updated satellite retrievals by Remote Sensing System, released in September 2006: SSMI V06, TMI V04, QSCAT V03a. AMSRE V05 was also updated using the new SSMI rain rate. V2.0 uses updated retrievals by Remote Sensing System, released in 2017: SSMI V07, TMI V07.1, QSCAT V04, AMSRE V07 and AMSR2 v08.2 released in 2021.
2023-02-03T00:06:13Z (local files)
2023-02-03T00:06:13Z https://coastwatch.noaa.gov/erddap/griddap/noaacwBlendedWindStressDaily.das";
    String id "uv_daily20221231";
    String infoUrl "https://coastwatch.noaa.gov/cwn/products/noaa-ncei-experimental-blended-seawinds-nbs-v2.html";
    String institution "NOAA/NCEI";
    String instrument "SSM/I, TMI, SEAWINDS, AMSR-E, AMSR2, ASCAT, GMI, WINDSAT, SMAP L-BAND RADAR";
    String instrument_vocabulary "NASA Global Change Master Directory (GCMD) Platform Keywords version 10.2";
    String keywords "0.25-degree, air-sea flux, air-sea interaction, atmosphere, atmospheric, averaged, binary, blended, centers, component, daily, data, day, degree, downward, earth, Earth Science > Atmosphere > Atmospheric Winds > Wind Stress, eastward, ekman pumping, ekman transport, environmental, identifier, information, lake, land, land/ocean/lake/river, land_binary_mask, mask, national, ncei, nesdis, noaa, northward, ocean, ocean upwelling, ocean winds, river, science, sea, sea surface winds, sea winds, stress, surface, surface_downward_eastward_stress, surface_downward_northward_stress, taux, tauy, time, version, wind, wind stress, wind-driven circulation, winds, windstress, x-component, y-component, zlev";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "These data are publically available for use with citation of this data source.";
    String naming_authority "gov.noaa.ncei";
    Float64 Northernmost_Northing 89.75;
    String platform "DMSP 5D-2/F8,DMSP 5D-2/F10,DMSP 5D-2/F11,DMSP 5D-2/F13,DMSP 5D-2/F14,DMSP 5D-3/F15, DMSP 5D-3/F16, DMSP 5D-3/F17, TRMM, QUIKSCAT, AQUA, GCOM-W1, METOP-A, METOP-B, GPM, CORIOLIS, SMAP";
    String platform_vocabulary "NASA Global Change Master Directory (GCMD) Platform Keywords version 10.2";
    String processing_level "NOAA L4";
    String product_version "V2.0";
    String program "NOAA/NCEI Satellite Oceanography Product Area";
    String project "NOAA/NCEI Satellite Oceanography Product Area - Blended Sea Winds";
    String publisher_email "ncei.info@noaa.gov, ncei.seawinds@noaa.gov";
    String publisher_institution "NOAA National Centers for Environmental Information";
    String publisher_name "NOAA National Centers for Environmental Information";
    String publisher_type "institution";
    String publisher_url "https://www.ncei.noaa.gov/";
    String references "https://coastwatch.noaa.gov/cwn/products/noaa-ncei-experimental-blended-seawinds-nbs-v2.html and Zhang, H.-M., J. J. Bates, and R. W. Reynolds, 2006: Assessment of composite global sampling: Sea surface wind speed, Geophysical Research Letters, 33, L17714, https://dx.doi.org/10.1029/2006GL027086";
    String source "Multiple satellite observations: DMSP SSMI F08, F10, F11, F13, F14 F15, F16, F17; TMI; QuikSCAT; AMSR-E; AMSR2; ASCAT; GMI; WINDSAT; SMAP L-BAND RADAR; Direction from ERA5 Reanalysis";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -89.75;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "This netCDF file  contains 0.25-degree globally gridded daily mean ocean surface wind stresses created by the NOAA National Centers for Environmental Information (NCEI).The dataset covers from July 1987 to present with quasi-daily updates. 6-hourly and averaged monthly data are also available. Details can be found at https://www.ncdc.noaa.gov/data-access/marineocean-data/blended-global/blended-sea-winds";
    String time_coverage_duration "P1D";
    String time_coverage_end "2022-12-31T18:00:00Z";
    String time_coverage_resolution "P1D";
    String time_coverage_start "1987-07-09T18:00:00Z";
    String title "Sea Surface Wind Stress (Experimental), NOAA NCEI blended daily averaged 0.25° Version 2.0, Science Quality (1987-recent), Daily";
    Float64 Westernmost_Easting 0.0;
  }
}

 

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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