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• Water Project Construction Program—Project Data <br /> Non-Reimbursable Investment <br /> Applicant: David Clow, USGS <br /> Project Name: Changes in the timing of snowmelt onset in the Colorado Rocky Mountains <br /> Project Type: Research <br /> County: Multiple <br /> Drainage Basin: Headwaters of all major river basins <br /> Water Source: N/A <br /> Total Study Cost: $ 114,000 <br /> Funding Sources: Construction Fund, USGS Matching Funds, Denver Water, Southeastern <br /> Colorado Water Conservancy District, Colorado Springs Utilities, and the Colorado River <br /> Water Conservation District <br /> Type of Applicant: Government Median Household Income: N/A <br /> • CWCB Investment: 40,000 <br /> Background: <br /> The USGS, Colorado Water Science Center would like to conduct and publish a detailed <br /> analysis of snowpack melt timing, streamflow runoff timing, and trends in monthly air <br /> temperature and precipitation in high-elevation areas in Colorado. The objective is to <br /> document recent trends in snowmelt and runoff timing, and to quantify how those parameters <br /> are affected by changing climate. Results will be used to estimate potential changes in runoff <br /> amount and timing under a variety of climate change scenarios to understand possible <br /> implications to water resources in Colorado including changes in water use, reservoir <br /> operations, timing and magnitude of snowmelt flooding, drought response, and availability of <br /> flow at certain times to meet instream flow rights. <br /> 410 <br />