{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. Brightness temperature and sea ice concentration grids have 25 x 25 km grid elements in polar stereographic projection.", "distribution": [{"@type": "dcat:Distribution", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C1386206952-NSIDCV0.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "downloadURL": "https://daacdata.apps.nsidc.org/pub/DATASETS/nsidc0007_smmr_radiance_seaice_v01/", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://doi.org/10.5067/QOZIVYV3V9JP", "format": "HTML", "mediaType": "text/html"}, {"@type": "dcat:Distribution", "downloadURL": "https://nsidc.org/sites/default/files/documents/technical-reference/smmr-ssmi-ssmis-sensors.pdf", "format": "PDF", "mediaType": "application/pdf"}, {"@type": "dcat:Distribution", "downloadURL": "https://nsidc.org/sites/default/files/nsidc-0007-v001-userguide.pdf", "format": "PDF", "mediaType": "application/pdf"}], "identifier": "10.5067/QOZIVYV3V9JP", "keyword": ["earth-science-microwave-spectral-engineering-brightness-temperature", "earth-science-sea-ice-cryosphere-ice-extent", "earth-science-sea-ice-cryosphere-sea-ice-concentration"], "license": "https://www.usa.gov/government-works", "modified": "2026-06-23", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NASA NSIDC DAAC;NASA/GSFC/EOS/EO"}, "spatial": "[\"CARTESIAN\", [{\"WestBoundingCoordinate\": -180.0, \"NorthBoundingCoordinate\": -39.0, \"EastBoundingCoordinate\": 180.0, \"SouthBoundingCoordinate\": -90.0}, {\"WestBoundingCoordinate\": -180.0, \"NorthBoundingCoordinate\": 90.0, \"EastBoundingCoordinate\": 180.0, \"SouthBoundingCoordinate\": 30.0}]]", "temporal": "1978-10-25/1987-08-20", "theme": ["Earth Science"], "title": "Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1"}