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SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V007
SMAP Level-4 (L4) surface and root zone soil moisture data are provided in three products:
* SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data (SPL4SMGP, DOI: 10.5067/EVKPQZ4AFC4D)
* SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update (SPL4SMAU, DOI: 10.5067/LWJ6TF5SZRG3)
* SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants (SPL4SMLM, DOI: 10.5067/KN96XNPZM4EG).
For each product, SMAP L-band brightness temperature data from descending and ascending half-orbit satellite passes (approximately 6:00 a.m. and 6:00 p.m. local solar time, respectively) are assimilated into a land surface model that is gridded using an Earth-fixed, global cylindrical 9 km Equal-Area Scalable Earth Grid, Version 2.0 (EASE-Grid 2.0) projection.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "026:00" ] |
| contactPoint |
{ "fn": "NSIDC Services", "@type": "vcard:Contact", "hasEmail": "mailto:nsidc@nsidc.org" } |
| description | SMAP Level-4 (L4) surface and root zone soil moisture data are provided in three products: * SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data (SPL4SMGP, DOI: 10.5067/EVKPQZ4AFC4D) * SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update (SPL4SMAU, DOI: 10.5067/LWJ6TF5SZRG3) * SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants (SPL4SMLM, DOI: 10.5067/KN96XNPZM4EG). For each product, SMAP L-band brightness temperature data from descending and ascending half-orbit satellite passes (approximately 6:00 a.m. and 6:00 p.m. local solar time, respectively) are assimilated into a land surface model that is gridded using an Earth-fixed, global cylindrical 9 km Equal-Area Scalable Earth Grid, Version 2.0 (EASE-Grid 2.0) projection. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Download this dataset", "format": "HTML", "mediaType": "text/html", "description": "Direct download via HTTPS protocol.", "downloadURL": "https://cmr.earthdata.nasa.gov/virtual-directory/collections/C2938666109-NSIDC_CPRD" }, { "@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/KN96XNPZM4EG" }, { "@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=SPL4SMLM+V007" }, { "@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/KN96XNPZM4EG" }, { "@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%2FKN96XNPZM4EG" } ] |
| identifier | C2938666109-NSIDC_CPRD |
| issued | 2015-03-31 |
| keyword |
[ "earth-science", "land-surface", "soils", "topography" ] |
| landingPage | https://doi.org/10.5067/KN96XNPZM4EG |
| language |
[ "en-US" ] |
| modified | 2025-03-31 |
| programCode |
[ "026:001" ] |
| publisher |
{ "name": "NASA NSIDC DAAC", "@type": "org:Organization" } |
| spatial | -180.0 -85.044 180.0 85.044 |
| temporal | 2015-03-31T00:00:00Z/2024-12-09T00:00:00Z |
| theme |
[ "geospatial" ] |
| title | SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V007 |
