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Application of dendrohydrology to drought preparedness planning in western Canada
Presented by Dr. Dave SAUCHYN on 15 May 2013 from 09:20 to 09:40
Type: Oral Presentation
Track: Science and decision making
Our network of 170 moisture-sensitive tree-ring chronologies is the basis for millennial reconstructions of surface water levels across Canada’s western interior, where water is limiting ecologically and economically. This paleohydrology undermines fundamental assumptions about the reliability and stationarity of water supplies, by revealing scales and extremes of hydroclimatic variability outside the scope of instrumental records. It also has various applications to regional climate adaptation, and specifically drought preparedness planning. Whereas recent temperature trends, notably higher winter temperatures, are mostly favorable circumstances in the region, less favorable and more challenging consequences of regional climate change are shifts in precipitation and surface water supplies among seasons, years and decades. Generally, professional planners and hydrological engineers regard the tangible evidence from climate proxies with less skepticism than model projections and thus paleoclimate reconstructions are a point of entry for introducing practitioners to concepts of climate variability and change.
Room: Salon D
- Dr. Dave SAUCHYN Prairie Adaptation Research Collaborative, University of Regina