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FLOOD10363 (2)
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Last modified
11/23/2009 12:49:17 PM
Creation date
7/13/2007 9:28:00 AM
Metadata
Fields
Template:
Floodplain Documents
County
Gunnison
Community
Gunnison County
Stream Name
East River, Cement Creek, Alkali Creek, Ohio Creek
Title
Gunnison County Flood Hydrology, Contract # W99-D-0018 Final Report
Date
11/1/2004
Prepared For
US Army Corps of Engineers, CWCB and Gunnison County
Prepared By
Tetra Tech, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br /> 1000 <br /> 900 <br />CI) 800 <br />"0 <br />af 700 <br />t:7> <br /><<; 600 <br />..r::: <br />1A <br />15 <br /> 500 <br /> 400 <br /> 300 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />100 <br /> <br />I <br /> <br />Figure 5.7.3.1 Reach 8 - Flood Frequency Analysis Results <br /> <br />4000 <br /> <br /> <br />Peak <br /> <br />3000 <br /> <br />2000 <br /> <br />200 <br /> <br /> <br />95 <br /> <br />90 <br /> <br />80 <br /> <br />70 60 50 40 30 20 10 <br />Exceedence Probability <br /> <br />5 <br /> <br />2 <br /> <br />0.5 0.2 <br /> <br />ADOPTED STATISTICS: <br /> <br />GUNNISON COUNTY FLOOD HYDROLOGY <br />TOMICHI CREEK AT GUNNISON <br /> <br />I <br /> <br />PEAK <br />1-DAY <br />3-DAY <br />5-DAY <br />7-DAY <br />15-DAY <br />30-DAY <br />60-DAY <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Mean <br />2.881 <br />2.835 <br />2.814 <br />2.794 <br />2.768 <br />2.725 <br />2.665 <br />2.571 <br /> <br />Std. Dev. <br />0.24 <br />0.24 <br />0.25 <br />0.25 <br />0.26 <br />0.27 <br />0.28 <br />0.29 <br /> <br />Notes: <br />1. Median Plotting Positions. <br />2. Period of Record: 1938,2000. <br />3. Drainage area: 1061 sq. mi. <br /> <br />SNOWMELT FLOW FREQUENCY CURVE <br />REACH 8 <br />U.S. ARMY CORPS OF ENGINEERS <br />SACRAMENTO DISTRICT <br /> <br />Skew <br />-0.2 <br />-0.3 <br />,0.3 <br />-0.3 <br />-0.4 <br />-0.4 <br />,0.5 <br />-07 <br /> <br />35 <br />
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