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ERDDAP at NOAA CoastWatch
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Dataset Title: | Ice Thickness, NOAA S-NPP VIIRS, Near Real-Time, Sector XW, Daily 4-day Composite ![]() |
Institution: | NOAA NESDIS CoastWatch (Dataset ID: noaacwVIIRSnppicethickXW00Daily4Day) |
Information: | Summary ![]() ![]() ![]() |
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Attributes { time { String _CoordinateAxisType "Time"; Float64 actual_range 1.618272e+9, 1.6555104e+9; String axis "T"; String bounds "baseline_bounds"; 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 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"; 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 -89.77125, -44.77875; String axis "Y"; String ioos_category "Location"; String long_name "Latitude"; String standard_name "latitude"; String units "degrees_north"; } longitude { String _CoordinateAxisType "Lon"; Float64 actual_range -0.03374999999997996, 60.033750000000026; String axis "X"; String ioos_category "Location"; String long_name "Longitude"; String standard_name "longitude"; String units "degrees_east"; } IceThickness { Float32 _FillValue -999.0; Float64 colorBarMaximum 3.0; Float64 colorBarMinimum 0.0; Int32 cw:fraction_digits 16; String grid_mapping "coord_ref"; String ioos_category "Ice Distribution"; String long_name "Ice thickness"; Float32 missing_value -999.0; String units "meter"; } NC_GLOBAL { String cdm_data_type "Grid"; String Conventions "CF-1.6, COARDS, ACDD-1.3"; String creator_email "coastwatch.info@noaa.gov"; String creator_name "NOAA/NESDIS/STAR/SOCD/CoastWatch"; String creator_url "https://coastwatch.noaa.gov"; String cw:cwhdf_version "3.1"; Float64 cw:et_affine 0.0, -0.0075, 0.007500000000000001, 0.0, -0.03374999999997996, -44.77875; Int32 cw:gctp_datum 12; Float64 cw:gctp_parm 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0; Int32 cw:gctp_sys 0; Int32 cw:gctp_zone 0; String cw:orbit_type "ascending/descending"; Int32 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84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 84.0, 84.0; String cw:viirs_band_naming_convention "IDPS"; String cw_satellite "S-NPP"; String date_created "2022-06-23T06:05:55Z"; String defaultGraphQuery "IceThickness[(last)]%26.draw=surface%26.vars=longitude%7Clatitude%7CIceConc%26.colorBar=CMOCEAN_ice%7C%7C%7C0%7C100%7C%26.land=over%26.bgColor=0xffccccff"; Float64 Easternmost_Easting 60.033750000000026; Float64 geospatial_lat_max -44.77875; Float64 geospatial_lat_min -89.77125; Float64 geospatial_lat_resolution 0.007499999999999999; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max 60.033750000000026; Float64 geospatial_lon_min -0.03374999999997996; Float64 geospatial_lon_resolution 0.0075000000000000015; 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 "JRR Ice Age v2r0 2022-06-26T14:49:52Z (local files) 2022-06-26T14:49:52Z https://coastwatch.noaa.gov//griddap/noaacwVIIRSnppicethickXW00Daily4Day.das"; String identifier_product_doi_authority "https://dx.doi.org"; String infoUrl "https://coastwatch.noaa.gov"; String institution "NOAA NESDIS CoastWatch"; String instrument "VIIRS"; String keywords "Earth Science > Cryosphere > Sea Ice > Ice Depth/Thickness, Earth Science > Oceans > Sea Ice > Ice Depth/Thickness"; String keywords_vocabulary "GCMD Science Keywords"; String license "https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/ 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.coastwatch"; Float64 Northernmost_Northing -44.77875; String OBSERVED_PROPERTY "IceThickness"; String platform "S-NPP"; String source "S-NPP_VIIRS_IceThickness"; String sourceUrl "(local files)"; Float64 Southernmost_Northing -89.77125; String standard_name_vocabulary "CF Standard Name Table v29"; String summary "Enterprise Ice Thickness/ Age Products"; String testOutOfDate "now-2days"; String time_coverage_end "2022-06-18T00:00:00Z"; String time_coverage_start "2021-04-13T00:00:00Z"; String title "Ice Thickness, NOAA S-NPP VIIRS, Near Real-Time, Sector XW, Daily 4-day Composite"; Float64 Westernmost_Easting -0.03374999999997996; } }
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.