LDEO Tree-Ring Reconstructed PDSI Drought Atlas (IRI Data Library)
NADA tree-ring reconstructed PDSI drought atlas served through the IRI/LDEO Climate Data Library, which exposes the gridded data for visualization, subsetting and download in multiple formats (NetCDF, GeoTIFF, etc.).
iridl.ldeo.columbia.edu
At a glance
- Region
- United States (North America)
- Coverage
- North America
- Access
- Free
- Category
- Academic
- Last updated
- 2024
What's inside
- Drought index
- PDSI reconstruction
- Gridded climate
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Drought indices
Track SPI and SPEI style indices for declarations and relief.
Because it has: Drought index
- 02
Planning
Plan reservoir releases and cropping for a dry year.
- 03
Risk screening
Screen projects and assets for climate risk.
Because it has: Gridded climate
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Onset forecasts
Predict drought onset months ahead from climate signals.
- 02
One risk score
Combine many indices into a single, explainable risk score.
- 03
Bias correction
Correct and downscale climate model output for a site.
Machine access and documentation
Open API
IRI Data Library supports OPeNDAP/format conversion and programmatic subsetting via URL
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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