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Last modified
1/26/2010 12:30:49 PM
Creation date
10/11/2006 10:22:32 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.200.10.B
Description
UCRBRIP - Riverine Fish Flow Investigations
Basin
Colorado Mainstem
Date
6/1/2000
Author
CDOW
Title
Riverine Fish Flow Investigations 2000
Water Supply Pro - Doc Type
Publication
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<br />I <br />I <br />I <br />I <br />.. <br />I <br />I <br />I <br />, <br />I <br />I <br />I <br />I <br />I <br />I <br />I' <br />I <br />I <br />I <br /> <br />believed this inflection point represents a reference flow in regard to severe degradation of <br /> <br />fishery habitats. In four of the IS years, 1985 to 1999, minimum flows were below 93 cfs in <br /> <br />August. During September minimum flows were below 93 cfs in 6 years at the Maybell gage <br /> <br />and five years upstream of the Maybell canal. In September the minimum flow at Maybell <br /> <br />averaged 38 cfs less than the combined flow of Craig and William Fork gages. <br /> <br />~ Minimum -o-10-d low flow I <br /> <br />J!? <br />u <br /> <br />500 <br />450 <br />400 <br />350 <br />300 <br />250 <br />200 <br />150 <br />100 <br />50 <br />o <br />1980 <br /> <br /> <br />Median - minimum = 128 <br />Median- 10-dlow=153 <br /> <br />1982 1984 <br /> <br />1986 1988 1990 1992 1994 1996 1998 <br />Year <br /> <br />Figure 3. Mini mum flow and the 10-day low flow for the last 20 years recorded at the <br />Maybell gage, Yampa River, with a dashed line to indicate the 84-year median for <br />the minimum (128 cfs) and a solid line for the IO-day low flow (153 cfs). <br /> <br />7 <br />
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