Years of Record: 2022/07 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...
Formats: netCDF | ascii
Timestep: Annual
Domain: North America
See Expert Guidance by Cook, Edward
The Palmer Drought Severity Index (PDSI) uses readily available temperature and precipitation data to estimate relative dryness. It is a standardized index that generally spans -10 (dry) to +10 (wet). Maps of operational agencies like NOAA typically show a range of -4 to +4, but more extreme values...
Formats: netCDF | ascii | binary
Timestep: Monthly
Domain: Global
See Expert Guidance by Dai, Aiguo
