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The Colorado River is a crucial water source for millions of people in the Southwest. Warming temperatures, clearly documented in climate records for the Colorado River basin, are having an impact on the amount of annual streamflow yielded from rain and snow. Recent work has revealed that warming temperatures have played an increasingly important role over the past decades, both exacerbating droughts and dampening the effects of wet winters on high stream flows. Understanding and anticipating how warming temperatures will influence future water supply in the Colorado River basin is increasingly important for resource management, particularly in light of recent drought conditions. The overarching goals of this...
The Salt Lake City, Utah, region has a climate record dating from the mid-1800s that can be used to calibrate a tree ring record to climate and streamflows. A number of good candidate species for tree ring analysis include indigenous coniferous species that are signature species in tree ring analysis because their growth is sensitive to drought. However, these species represent different habitats. We will conduct controlled field studies to define the relationship between a suite of tree species native to the Wasatch range and drought stress and air temperature as well as to use tree ring data to understand and explain paleoclimate drought cycles and reconstruct streamflows in an innovative way. The research...
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By collaborating with water managers and combining climate modeling and paleoclimate methods, the project team will incorporate prediction tools to assess risk of extreme wet/dry climate conditions for the next 10-15 years (i.e. decadal prediction). Our target area is the Wasatch Range Metropolitan Area that includes Salt Lake City one of the largest population centers within the Southern Rockies LCC. We will focus on projecting future water availability and quality with a specific goal for decadal prediction. The project team has partnered with numerous water agencies in the Wasatch Range who have made in-kind contributions towards this project. This partnership guarantees that the results will be disseminated,...
    map background search result map search result map Back to the Future: Innovative Tree Ring Analysis to Reconstruct Paleoclimate and Streamflows for Improved Urban Water Planning Under Climate Change - BOR Project, FY2011 WaterSMART: Building Decadal Prediction of Extreme Climate for Managing Water Supply in Intermountain West Anticipating Future Impacts of Temperature on Streamflow in the Colorado River Basin WaterSMART: Building Decadal Prediction of Extreme Climate for Managing Water Supply in Intermountain West Anticipating Future Impacts of Temperature on Streamflow in the Colorado River Basin