Friday's Findings - January 8 2020
Date: January 8, 2021 from 2-2:30 p.m. eastern time
Speaker: Natalie Kehrwald, Research Geologist, Geosciences and Environmental Change Science Center
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Conference ID: 387 327 121#
Large wildfires have raged across the western Americas in the past decade including the Las Conchas, New Mexico fire that burned 44,000 acres in a single day in 2011 (Orem and Pelletier, 2015, Geomorphology 232: 224-238, and references therein), the 2016 Fort McMurray, Alberta fire that required evacuating an entire city, and the 2015 Alaskan fire season that burned more than 5 million acres (Alaska Interagency Coodination Center). These fires are caused by a changing climate resulting in hotter, drier conditions across much of the western North America, and are augmented by land-use practices resulting in more potential forest fuel. It is essential to place these fires in a longer temporal context to examine if recent fires are anomalous or if they have occurred in the past under diverse climate conditions. This talk with present research and methods developed to determine molecular markers of fire activity in ice and lake cores.
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