SMAP Level 4 Global Soil Moisture v8
Updated NASA SMAP products at 9km resolution with improved calibration in Version 8 (2025). Provides surface and root-zone soil moisture, freeze-thaw state, and carbon net ecosystem exchange
nsidc.org
At a glance
- Region
- Global
- Coverage
- Global at 9-36km, Version 8 (2025)
- Access
- Registration Required
- Category
- Space Agency
What's inside
- Soil Moisture
- Root Zone Moisture
- Freeze-Thaw State
- Carbon Exchange
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Irrigation scheduling
Decide when and how much to irrigate.
Because it has: Soil Moisture
- 02
Water accounting
Track how much water crops actually consume across a command area.
- 03
Crop stress
Spot water stress early in the season.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Field-scale ET
Estimate crop water use per field by combining satellite and weather with ML.
- 02
Demand forecasts
Predict irrigation demand weeks ahead for canal and pump planning.
- 03
Irrigated area maps
Classify irrigated and rainfed fields from imagery.
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