Data · dataset · 2025
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update V007
Listed in NASA Data Portal
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.
Links
Get the data
- Google Scholar search results scholar.google.com/scholar?q=10.5067%2FLWJ6TF5SZRG3 ↗
download · from data nasa gov
- Download this dataset through Earthdata Search search.earthdata.nasa.gov/search?q=SPL4SMAU+V007 ↗
download · from data nasa gov
- Download this dataset cmr.earthdata.nasa.gov/virtual-directory/collections/C2938665508-NSIDC_CPRD ↗
download · from data nasa gov
- This dataset's landing page doi.org/10.5067/lwj6tf5szrg3 ↗
download · from data nasa gov
- Get a related visualization through WORLDVIEW worldview.earthdata.nasa.gov/?v=-196%2C-75%2C144%2C82&l=SMAP_L4_Soil_Temperature_Layer_1%2C… ↗
download · from data nasa gov
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/smap-l4-global-3-hourly-9-km-ease-grid-surface-and-roo… ↗
landing page · from data nasa gov
Catalogue records · 1
- CKAN API data.nasa.gov/api/3/action/package_show?id=f1ced27e-f9d2-4d74-af4e-41551eefc… ↗
metadata API · from data nasa gov
Topics
- From keywords
- Earth & Environmental Science
- Inferred from text
- Hydrology 68%
Related
Provenance · 1 source records, 8 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Data Portal | f1ced27e-f9d2-4d74-af4e-41551eefc39d | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].anzsrc:group:3707 | enrichment · data nasa gov | taxonomy-embedding@1.1.0 | title+keywords+description (68%) |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| created_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| description | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /notes |
| license_text | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| publication_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| title | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /title |
| updated_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 |