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NOAA CoastWatch Central Operations |
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| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | Institution | Dataset ID | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | files | Ice Classification, Metop-B Advanced SCATterometer (ASCAT), 4km, North Pole (Arctic), Daily | 
| M | background | 
|
| noaacwSARbiceclassnpoleDaily |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | cdm_data_type | String | Grid |
| attribute | NC_GLOBAL | Conventions | String | CF-1.6, COARDS, ACDD-1.3 |
| attribute | NC_GLOBAL | creator_email | String | coastwatch.info at noaa.gov |
| attribute | NC_GLOBAL | creator_name | String | NOAA CoastWatch/PolarWatch |
| attribute | NC_GLOBAL | creator_type | String | institution |
| attribute | NC_GLOBAL | creator_url | String | https://coastwatch.noaa.gov/ |
| attribute | NC_GLOBAL | crs_wkt | String | PROJCS["unnamed", GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433], AUTHORITY["EPSG","4326"]], PROJECTION["Polar_Stereographic"], PARAMETER["latitude_of_origin",60], PARAMETER["central_meridian",-45], PARAMETER["scale_factor",1], PARAMETER["false_easting",0], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]]] |
| attribute | NC_GLOBAL | cw_projection | String | Polar Stereographic |
| attribute | NC_GLOBAL | cw_satellite | String | Metop-B |
| attribute | NC_GLOBAL | cw_sensor | String | ASCAT |
| attribute | NC_GLOBAL | defaultGraphQuery | String | IceClass%5B(last)%5D%5B(0.0)%5D%5B(3272748.09217783):(-3272748.0921771)%5D%5B(-3272748.09217783):(3272748.0921771)%5D%26.draw=surface%26.vars=cols%7Crows%7CIceClass%26.colorBar=iceclass%7CD%7C%7C1%7C6%7C5%26.bgColor=0xffccccff |
| attribute | NC_GLOBAL | geospatial_bounds | String | POLYGON((-180.000000 47.538530, 135.000000 59.302944, 90.000000 47.538530, 45.000000 59.302944, 0.000000 47.538530, -45.000000 59.302944, -90.000000 47.538530, -135.000000 59.302944, -180.000000 47.538530)) |
| attribute | NC_GLOBAL | geospatial_vertical_max | double | 0.0 |
| attribute | NC_GLOBAL | geospatial_vertical_min | double | 0.0 |
| attribute | NC_GLOBAL | geospatial_vertical_positive | String | up |
| attribute | NC_GLOBAL | geospatial_vertical_units | String | m |
| attribute | NC_GLOBAL | grid_mapping_false_easting | double | 0.0 |
| attribute | NC_GLOBAL | grid_mapping_false_northing | double | 0.0 |
| attribute | NC_GLOBAL | grid_mapping_inverse_flattening | double | 298.257223563 |
| attribute | NC_GLOBAL | grid_mapping_latitude_of_projection_origin | double | 90.0 |
| attribute | NC_GLOBAL | grid_mapping_name | String | polar_stereographic |
| attribute | NC_GLOBAL | grid_mapping_semi_major_axis | double | 6378137.0 |
| attribute | NC_GLOBAL | grid_mapping_standard_parallel | double | 60.0 |
| attribute | NC_GLOBAL | grid_mapping_straight_vertical_longitude_from_pole | double | -45.0 |
| attribute | NC_GLOBAL | history | String | Metop-B_ASCAT_IceClass |
| attribute | NC_GLOBAL | infoUrl | String | https://coastwatch.noaa.gov/ |
| attribute | NC_GLOBAL | institution | String | USDOC/NOAA/NESDIS PolarWatch |
| attribute | NC_GLOBAL | instrument | String | ASCAT |
| attribute | NC_GLOBAL | keywords | String | advanced, altitude, ascat, coastwatch, Earth Science > Oceans > Ice, environmental, geoprojected, ice, ice classification, ice distribution, information, masked, metop, metop-c, national, nesdis, noaa, polar, polarwatch, satellite, scatterometer, service, states, time, united, usdoc |
| attribute | NC_GLOBAL | keywords_vocabulary | String | NASA Global Change Master Directory (GCMD) Science Keywords |
| attribute | NC_GLOBAL | license | String | 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. |
| attribute | NC_GLOBAL | OBSERVED_PROPERTY | String | IceClass |
| attribute | NC_GLOBAL | platform | String | METOP-B |
| attribute | NC_GLOBAL | proj4text | String | +proj=stere +lat_0=90 +lat_ts=60 +lon_0=-45 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs |
| attribute | NC_GLOBAL | publisher_email | String | coastwatch.info at noaa.gov |
| attribute | NC_GLOBAL | publisher_name | String | NOAA/NESDIS/STAR/SOCD PolarWatch |
| attribute | NC_GLOBAL | publisher_url | String | https://coastwatch.noaa.gov |
| attribute | NC_GLOBAL | source | String | METOP-B_ASCAT_IceClass |
| attribute | NC_GLOBAL | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v79 |
| attribute | NC_GLOBAL | summary | String | The ASCAT Ice Classification system takes Enhanced Resolution (4.5 km x 4.5 km) ASCAT Normalized Radar Cross Section (NRCS) and in a two-step process creates an Ice Classification mask with 3 classes (seasonal, perennial, mixed). Primary Input data Enhanced Resolution (4.5 km x 4.5 km) ASCAT Normalized Radar Cross Section (NRCS) created by the Scatterometer Image Reconstruction (SIR) algorithm. Developed by David Long at BYU. National Ice Center's 4 km Interactive Snow and Ice Mask (IMS). |
| attribute | NC_GLOBAL | testOutOfDate | String | now-4days |
| attribute | NC_GLOBAL | time_coverage_end | String | 2025-04-01T12:00:00Z |
| attribute | NC_GLOBAL | time_coverage_start | String | 2020-01-01T12:00:00Z |
| attribute | NC_GLOBAL | title | String | Ice Classification, Metop-B Advanced SCATterometer (ASCAT), 4km, North Pole (Arctic), Daily |
| dimension | time | double | nValues=1586, evenlySpaced=false, averageSpacing=1 day 5h 1m 38s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 1.57788E9, 1.7435088E9 |
| attribute | time | axis | String | T |
| attribute | time | calendar | String | gregorian |
| attribute | time | ioos_category | String | Time |
| attribute | time | long_name | String | Centered Time |
| attribute | time | standard_name | String | time |
| attribute | time | time_origin | String | 01-JAN-1970 00:00:00 |
| attribute | time | units | String | seconds since 1970-01-01T00:00:00Z |
| dimension | altitude | double | nValues=1, onlyValue=0.0 | |
| attribute | altitude | _CoordinateAxisType | String | Height |
| attribute | altitude | _CoordinateZisPositive | String | up |
| attribute | altitude | actual_range | double | 0.0, 0.0 |
| attribute | altitude | axis | String | Z |
| attribute | altitude | ioos_category | String | Location |
| attribute | altitude | long_name | String | Altitude |
| attribute | altitude | positive | String | up |
| attribute | altitude | standard_name | String | altitude |
| attribute | altitude | units | String | m |
| dimension | rows | double | nValues=1530, evenlySpaced=true, averageSpacing=-4280.900055 | |
| attribute | rows | actual_range | double | -3272748.091917, 3272748.092178 |
| attribute | rows | axis | String | Y |
| attribute | rows | ioos_category | String | Location |
| attribute | rows | long_name | String | Northing of Pixel Centers |
| attribute | rows | standard_name | String | projection_y_coordinate |
| attribute | rows | units | String | m |
| dimension | cols | double | nValues=1530, evenlySpaced=true, averageSpacing=4280.900055 | |
| attribute | cols | actual_range | double | -3272748.092178, 3272748.091917 |
| attribute | cols | axis | String | X |
| attribute | cols | ioos_category | String | Location |
| attribute | cols | long_name | String | Easting of Pixel Centers |
| attribute | cols | standard_name | String | projection_x_coordinate |
| attribute | cols | units | String | m |
| variable | IceClass | double | time, altitude, rows, cols | |
| attribute | IceClass | _FillValue | double | 0.0 |
| attribute | IceClass | colorBarMaximum | String | 5 |
| attribute | IceClass | colorBarMinimum | String | 1 |
| attribute | IceClass | flag_meanings | String | Land Water Seasonal Mixed Perennial |
| attribute | IceClass | flag_values | String | 1 2 3 4 5 |
| attribute | IceClass | grid_mapping | String | polar_stereographic_proj |
| attribute | IceClass | ioos_category | String | Ice Distribution |
| attribute | IceClass | long_name | String | IceClass |
| attribute | IceClass | missing_value | double | 0.0 |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.