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| Reconstruction
of Past Drought Across the Coterminous United States from a Network of Climatically Sensitive Tree-Ring Data |
Dr. Edward Cook, Dr. David Meko, Dr. David Stahle and Dr. Malcolm CleavelandUse this page to look at PDSI data for selected years. You may view instrumental drought data as well as tree-ring reconstructions. Tree-ring maps exist for 1700-1978. Instrumental maps exist for 1895-1995. There are also animations of the annual plots for these time periods.
Instrumental Animation (AVI(8.8MB)) or (Quicktime(3.0MB)
Tree-ring Animation (AVI(23.7MB)) or (Quicktime(7.6MB)
25 January 1999