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Last modified
7/14/2009 5:02:33 PM
Creation date
5/17/2009 11:27:48 PM
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UCREFRP
UCREFRP Catalog Number
8117
Author
Modde, T. and G. Smith.
Title
Flow Recommendations for Endangered Fishes in the Yampa River.
USFW Year
1995.
USFW - Doc Type
Denver, CO.
Copyright Material
NO
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<br />Table 4. The U.S. Fish & Wildlife Service recommends the following flows for the <br />Yampa River at Maybell, Colorado (September 1995). Flow recommendations vary <br />between the exceedance levels described on this table relative to the magnitude of a <br />specific runoff year. Exceedance numbers are based upon estimates of daily virgin <br />flows from 1950 to 1982. A constant flat flow at these exceedance levels is not <br />recommended, flows should be interpolated between these recommendations with <br />portions of the month higher and portions lower (i.e. reflective of the curve of a natural <br />hydrograph). An alternate table, not recommended by the Fish and Wildlife Service <br />that data which excludes the minimum 10 cfs values in the estimating daily <br />exceedance of virgin flows is found in Appendix 5. <br /> <br />MONTH 80%1 50% 20% <br /> Exceedance Exceedance Exceedance <br /> DRY AVERAGE WET <br />OCT 88 181 335 <br />NOV 172 239 336 <br />DEC 157 209 320 <br />JAN 187 230 299 <br />FEB 221 266 335 <br />MAR 305 443 694 <br />APR <br />MAY Existing flows minus the depletion baseline <br />(Table 3) <br />JUN <br />JULY <br />AUG 125 302 520 <br />SEP 45 139 242 <br /> <br />1 Exceedances in cfs <br />
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