ITRDBInternational Tree-Ring Data Bank
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Then, cores used in this study were also checked against nearby Pinus contorta tree-ring records that are available from the International Tree Ring Data Bank (ITRDB; National Oceanic and Atmospheric Administration 1997a).
To remove differences in data processing, the Lone Lake and Yosemite Park ring-width series obtained from the ITRDB were combined in a tree-ring chronology using the same method applied to the Mammoth ring-width series.
The spatial coherency between Torrey pine and other tree-ring chronologies for western North America was analyzed using the International Tree-Ring Data Bank (ITRDB, NOAA, 1992; [ILLUSTRATION FOR FIGURE 2 OMITTED]).