DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures V006
This data set provides daily gridded brightness temperatures derived from passive microwave sensors and distributed in a polar stereographic projection. NSIDC produces daily gridded brightness temperatures from orbital swath data generated by the Special Sensor Microwave/Imager (SSM/I) aboard the Defense Meteorological Satellite Program (DMSP) F8, F11, and F13 platforms and the Special Sensor Microwave Imager/Sounder (SSMIS) aboard DMSP F17 and F18. The SSM/I and SSMIS channels used to calculate brightness temperatures include 19.3 GHz vertical and horizontal, 22.2 GHz vertical, 37.0 GHz vertical and horizontal, 85.5 GHz vertical and horizontal (on SSM/I), and 91.7 GHz vertical and horizontal (on SSMIS). Data at 85.5 GHz and 91.7 GHz are gridded at a resolution of 12.5 km, with all other frequencies at a resolution of 25 km. Orbital data for each 24-hour period are mapped to respective grid cells using a simple sum-and-average method, also known as the drop-in-the-bucket method. Data coverage began on 09 July 1987 and is ongoing through the most current processing, with updated data processed several times annually.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "026:00" ] |
| contactPoint |
{ "fn": "Walter Meier", "@type": "vcard:Contact", "hasEmail": "mailto:walt@nsidc.org" } |
| description | This data set provides daily gridded brightness temperatures derived from passive microwave sensors and distributed in a polar stereographic projection. NSIDC produces daily gridded brightness temperatures from orbital swath data generated by the Special Sensor Microwave/Imager (SSM/I) aboard the Defense Meteorological Satellite Program (DMSP) F8, F11, and F13 platforms and the Special Sensor Microwave Imager/Sounder (SSMIS) aboard DMSP F17 and F18. The SSM/I and SSMIS channels used to calculate brightness temperatures include 19.3 GHz vertical and horizontal, 22.2 GHz vertical, 37.0 GHz vertical and horizontal, 85.5 GHz vertical and horizontal (on SSM/I), and 91.7 GHz vertical and horizontal (on SSMIS). Data at 85.5 GHz and 91.7 GHz are gridded at a resolution of 12.5 km, with all other frequencies at a resolution of 25 km. Orbital data for each 24-hour period are mapped to respective grid cells using a simple sum-and-average method, also known as the drop-in-the-bucket method. Data coverage began on 09 July 1987 and is ongoing through the most current processing, with updated data processed several times annually. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Download this dataset", "format": "HTML", "mediaType": "text/html", "description": "Direct download via HTTPS protocol.", "downloadURL": "https://n5eil01u.ecs.nsidc.org/PM/NSIDC-0001.006/" }, { "@type": "dcat:Distribution", "title": "View documentation related to this dataset", "format": "HTML", "mediaType": "text/html", "description": "Includes a user's guide, supplemental documents like ATBDs and academic papers, How Tos, FAQs, etc.", "downloadURL": "https://doi.org/10.5067/MXJL42WSXTS1" }, { "@type": "dcat:Distribution", "title": "Download this dataset through Earthdata Search", "format": "HTML", "mediaType": "text/html", "description": "NASA's newest search and order tool for subsetting, reprojecting, and reformatting data.", "downloadURL": "https://search.earthdata.nasa.gov/search?q=NSIDC-0001+V006" }, { "@type": "dcat:Distribution", "title": "This dataset's landing page", "format": "HTML", "mediaType": "text/html", "description": "Provides access to data, documentation, tools, citation information, support, and other resources.", "downloadURL": "https://doi.org/10.5067/MXJL42WSXTS1" }, { "@type": "dcat:Distribution", "title": "Download this dataset", "format": "HTML", "mediaType": "text/html", "description": "Search and filter data files using a map-based interface", "downloadURL": "https://nsidc.org/data/data-access-tool/NSIDC-0001/versions/6/" }, { "@type": "dcat:Distribution", "title": "Google Scholar search results", "format": "HTML", "mediaType": "text/html", "description": "Search results for publications that cite this dataset by its DOI.", "downloadURL": "https://scholar.google.com/scholar?q=10.5067%2FMXJL42WSXTS1" } ] |
| identifier | C2113542962-NSIDC_ECS |
| issued | 1987-07-09 |
| keyword |
[ "earth-science", "infrared-wavelengths", "spectral-engineering" ] |
| landingPage | https://doi.org/10.5067/MXJL42WSXTS1 |
| language |
[ "en-US" ] |
| modified | 2025-03-31 |
| programCode |
[ "026:001" ] |
| publisher |
{ "name": "NASA NSIDC DAAC", "@type": "org:Organization" } |
| spatial | -180.0 30.0 180.0 90.0 |
| temporal | 1987-07-09T00:00:00Z/2025-03-10T00:00:00Z |
| theme |
[ "geospatial" ] |
| title | DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures V006 |
