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 Cleaveland Author Affiliations
The 388-Chronology Tree-Ring Network:
The circle around grid point 47(the larger filled-in dot) is an example
of the size of the search radius used to locate tree-ring chronologies
around each grid point. In this case the large circle has a radius of 350km.