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WSPC07130
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Last modified
1/26/2010 12:09:27 PM
Creation date
10/9/2006 6:16:58 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
5000.325
Description
Flood Protection Section - Minturn Task Force - Minturn-Redcliff-Eagle County-Plateau Creek Slides
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
4/4/1986
Author
Minturn Task Force
Title
Minturn Task Force - Draft Final Report - Reviewed Draft
Water Supply Pro - Doc Type
Report/Study
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<br />ooib2~ <br /> <br />'~ <br /> <br />A study of gage records in the Gore Creek basin indicates that higher <br /> <br /> <br />than average flows on Gore Creek at Dowds Junction have occurred on the <br /> <br /> <br />following dates: June 18, 1951; June 7. 1952; June .25. 1983; and May 25. <br /> <br />1984. The highest measured discharge on Gore Creek was 1780 cubic feet <br /> <br />per second in 1952. While no measurements are available for 1983 or <br /> <br />1984. it is estimated a peak discharge of about 1300 cfs was reached on <br /> <br /> <br />Gore Creek during the 1983 runoff. <br /> <br />Higher than average flows in the Eagle RIver above Dowds Junction <br /> <br />have occurred on the following dates: June 7, 1957; June 5-26, 1969; <br /> <br />June 21. 1983; and May 26. 1984, The 1957 flood was caused by a <br /> <br />combination of snowmelt and rainfall runoff and was estimated to have a <br /> <br />discharge of 1500 cfs. The 1969 flood was caused by snowmelt and was <br /> <br />estimated to peak at about 800cfs. The 1983 runoff above Dowds Junction <br /> <br />is estimated to have peaked at about 1300 cfs. <br /> <br />~ <br /> <br />The peak discharge downstream of Dowds Junction during 1983 is <br />estimated to have been about 2450 cfs on June 25, 1983. Hydrographs <br />reconstructed from an analysis of upstream gage data for 1983 are shown <br />~ <br />in Figure 3. <br />~ <br /> <br />Flood magnitudes are determined by comparing recorded or estimated <br /> <br />rates of flow with established frequency-discharge information. usually <br /> <br />in the form of a table or a graph, Peak discharges in the upper Eagle <br /> <br />River and Gore Creek basins are computed by regression equations to <br /> <br />predict the 10-; 50-, and 500- year frequency discharges as a function of <br /> <br />drainage area, A summary of the computed peak discharges in the vicinity <br /> <br />of Dowds Junction is shown in Table 1, <br />
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