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
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
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