WSP01392

• 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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LIST OF FIGURES

Figure I. Location of the two study sites on the Yampa River, the Sevens at River Mile
63 and Duffy at River Mile 109.5........................................................................ 5

Figure 2: Peak annual flow recorded at the Maybell gage, Yampa River for the last 20-
year period. Median flow for the 84-year period of Record is 10,000 cfs. ....... ...6

Figure 3. Minimum flow and the 10-day low flow for the last 20 years recorded at the
MaybelI gage, Yampa River, with a dashed line to indicate the 84-year
median for the minimum (I28 cfs) and a solid line for the 10-day low flow

(153 cfs) ............................................................. .................. ........... ...7

Figure 4:

Location of study area in the I 5-Mile Reach, Colorado River. .

....9

Figure 5: 1999 flows between February 1 and May 31, Palisade gage and mean flow
for wet, medial and dry years for the gage period of record (nine years). ...........11

Figure 6: 1999 flows between July 1 and November 30, Palisade gage and mean flow
for wet, medial and dry years for the gage period of record (nine years). ....... ...11

Figure 7: Calibration correlations for Duffy that are based on computed versus
obseIVed velocities and depths........... ...................... ...................

........42

Figure 8: Correlations between percent habitat and fish composition for five
subsections of the IS-Mile Reach study site. .................... .................................. 42

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