Global Aridity Index and Potential Evapotranspiration Database v3
Version 3 of the Global Aridity Index providing high-resolution (30 arc-seconds) global maps of aridity index and reference evapotranspiration based on the Penman-Monteith method.
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At a glance
- Region
- Global
- Coverage
- Global
- Access
- Free
- Category
- Research
- Last updated
- 2022
What's inside
- Evapotranspiration
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: Evapotranspiration
- 02
Water accounting
Track how much water crops actually consume across a command area.
- 03
Drought indices
Track SPI and SPEI style indices for declarations and relief.
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
Onset forecasts
Predict drought onset months ahead from climate signals.
Related water data
- FAO WaPOR v3 Water ProductivityGlobal | Free
- A global long-term daily reanalysis of reference evapotranspiration for drought monitoringGlobal | Free
- A global multi-catchment synthesis for water fluxes and storage changesGlobal | Free
- CHELSA High-Resolution Climate DataGlobal | Free
- ECOSTRESS ISS EvapotranspirationGlobal | Free
- ERA5-Land Hourly on DestinE Earth Data HubGlobal | Free
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