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A multi-millennial precipitation reconstruction at Black Mountain in the Upper Arkansas River basin
Presented by Kyle R. MILLER on 15 May 2013 from 18:00 to 21:00
Type: Poster Presentation
Session: Poster Session + Reception
Board #: 47
Reconstruction of past climate using standardized ring measurements enables an examination of the modern climate in the context of the last several hundred, and in some cases, thousand years. We have generated the first precipitation reconstruction for the Upper Arkansas River basin from Pinus aristata (Rocky Mountain Bristlecone Pine) at Black Mountain in central Colorado. The reconstruction, which extends back over 2,000 years, provides information about upper Arkansas River basin droughts, including those of the medieval and Roman periods. This reconstruction adds to the small number of multi-millennial-length records of hydroclimatic variability in Colorado and the US Southwest. It will also be used as part of a multiproxy study with lake sediment data from the San Juan Mountains to investigate the past climate of this region.