ObservationsSoils
SMAP L3 Soil Moisture
SMAP L3 Radiometer Global Daily 36 km. Daily surface soil moisture from L-band radiometry.
Surface (0–5 cm) soil moisture retrieved from the SMAP L-band radiometer. The enhanced 9 km product (SPL3SMP_E) and model-assimilated root-zone moisture (SPL4SMGP) are also available.
- Source
- National Aeronautics and Space Administration
- Resolution
- 36 km (9 km enhanced)
- Data type
- Raster
- Time span
- 2015–present
- Temporal
- Daily (morning and evening passes)
- Access type
- Download with free login · Free NASA Earthdata login
- Formats
- HDF5
- Coverage
- Global (-180, -85, 180, 85)
- Licence
- Public domain (U.S. Government work)
- Provider page
- nsidc.org/data/spl3smp
Access
cmrSPL3SMP daily files (latest first) from NASA Earthdata
Granules found through NASA's Common Metadata Repository (collection SPL3SMP). Downloads need a free Earthdata login.
# Earthdata login in ~/.netrc:
# machine urs.earthdata.nasa.gov login USER password PASS
curl -fsSL "https://hydrological.org/api/v1/datasets/smap-l3/links.txt?bbox=-75,-20,-50,5" \
| xargs -n 1 curl -fLO --netrc -b ~/.urs_cookies -c ~/.urs_cookiesimport earthaccess # pip install earthaccess
earthaccess.login()
results = earthaccess.search_data(short_name="SPL3SMP",
bounding_box=(-75, -20, -50, 5))
earthaccess.download(results, "data")const res = await fetch("https://hydrological.org/api/v1/datasets/smap-l3/links?bbox=-75,-20,-50,5");
const { groups } = await res.json();
for (const g of groups) g.links.forEach(l => console.log(l.url));Also available as JSON: links · manifest · dataset record
