First global multi-timescale daily SPEI dataset (1982-2021)
The first daily Standardized Precipitation Evapotranspiration Index dataset at multiple timescales (1-48 months) and 0.25° global resolution from 1982 to 2021.
doi.org
At a glance
- Region
- Global
- Coverage
- Global
- Access
- Free
- Category
- Research
- Last updated
- 2024
What's inside
- Precipitation
- Drought Indices
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Design storms
Build rainfall intensity-duration-frequency curves for drainage design.
Because it has: Precipitation
- 02
Model input
Drive hydrological, crop and urban drainage models.
- 03
Drought indices
Track SPI and SPEI style indices for declarations and relief.
Because it has: Drought Indices
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Downscaling
Turn coarse rainfall grids into field or ward scale estimates.
- 02
Gauge + satellite fusion
Correct satellite rainfall with gauges using machine learning.
- 03
Onset forecasts
Predict drought onset months ahead from climate signals.
Machine access and documentation
Data paper
First global multi-timescale daily SPEI dataset (1982-2021)
Scientific Data 2024
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