Annual Snow Pack Effect on Lake Powell by Andrew Jaeger
Explore the impact of annual snowpack on Lake Powell through images depicting key data points such as total area, expected outflow, monthly elevations, and flow rates. The visuals showcase different regions like HUC 2, HUC 1401 to 1408, and future work plans for the Upper Colorado River Basin. Understand the changing water storage dynamics and ongoing research in the Colorado River Basin.
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Presentation Transcript
Annual Snow Pack Effect on Lake Powell ANDREW JAEGER
HUC 2 Total area-72.5 million acres Expected Minimum Outflow 8.23 million acre-feet
Lake Powell Monthly Elevation 3670 3660 3650 3640 3630 Elevation (ft) 3620 3610 3600 3590 3580 3570 7/2009 11/2010 4/2012 8/2013 12/2014 5/2016 9/2017 2/2019 6/2020
Annual Lake Powell Flow Rates Inflow vs. Outflow 25000 20000 15000 Acre-ft/year 10000 5000 Average Inflow Average Outflow 0 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
HUC 1403 and HUC 1407 (W/Central)
Annual Lake Powell Flow Rates Inflow vs. Outflow 25000 2014 2015 2016 2017 2018 20000 HUC 1401 HUC 1402 HUC 1403 HUC 1404 HUC 1405 HUC 1406 HUC 1407 HUC 1408 Above Below Above Below Below Below Below Below Above Below 15000 Acre-ft/year Below Below Above Above Below Above Below Above Above Below Above Below Above Above Below 10000 Below Below Above Above Below Below Above Above Above Below 5000 Average Inflow Above Below Below Above Below Average Outflow 0 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Future Work Complete DEM mapping for entire Upper Colorado River Basin Elevation Estimates for Snow to supply required inflow Map out Lake Powell at minimum elevations to calculate change in water storage
Works Cited Colorado River Basin Focus Study Area. U.S. Geological Survey. https://water.usgs.gov/watercensus/Colorado.html. Drought in the Colorado River Basin. Department of the Interior. https://www.doi.gov/water/owdi.cr.drought/en/index.htm. USDA for SNOTEL data http://lakepowell.water-data.com/ for flow rates and information
