Difference between revisions of "Hydrology"
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| + | '''2019''' | ||
| + | *[https://www.usbr.gov/uc/progact/amp/twg/2019-10-21-twg-meeting/20191021-BasinHydrologyReservoirOperations2020Hydrograph-Presentation-508-UCRO.pdf Basin Hydrology, Reservoir Operations and 2020 Hydrograph Presentation ] | ||
'''2018''' | '''2018''' | ||
Revision as of 17:26, 26 February 2020
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Upper Colorado River Basin HydrologyThe Upper Colorado River Basin regularly experiences significant year to year hydrologic variability. During the 17-year period 2000 to 2015, however, the unregulated inflow to Lake Powell, which is a good measure of hydrologic conditions in the Colorado River Basin, was above average in only 3 out of the past 17 years. The period 2000-2016 is the lowest 17-year period since the closure of Glen Canyon Dam in 1963, with an average unregulated inflow of 8.57 maf, or 79% of the 30-year average (1981-2010). (For comparison, the 1981-2010 total water year average is 10.83 maf.) The unregulated inflow during the 2000-2016 period has ranged from a low of 2.64 maf (24% of average) in water year 2002 to a high of 15.97 maf (147% of average) in water year 2011. [1] |
| Current Status |
Current Operations | Inflow Forecasts and Model Projections |
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