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NCAR Climate Data Guide Content with Tag: PDSI(PDI)

map indicating tree-ring chronologies used to construct the NADA (courtesey Ed Cook)
Drought atlases from tree rings
Years of Record: 0000/01 to 2005/12
Tree-ring drought atlases provide a paleoclimate analog to modern drought indices, most commonly the Palmer Drought Severity Index (PDSI).  Produced on a regular lat-lon grid for regions such as North America, Europe, and Australia, these centuries-long datasets are convenient for comparisons...
Main variables and Earth System components:
Formats: netCDF | ascii Timestep: Annual Domain: North America
See Expert Guidance by Cook, Edward
Palmer Drought Severity Index (PDSI)
The Palmer Drought Severity Index (PDSI) uses readily available temperature and precipitation data to estimate relative dryness. It is a standardized index that spans -10 (dry) to +10 (wet). It has been reasonably successful at quantifying long-term drought. As it uses temperature data and a...
Main variables and Earth System components:
Formats: netCDF | ascii | binary Timestep: Monthly Domain: Global
See Expert Guidance by Dai, Aiguo
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