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<br />-" <br /> <br />f <br />e <br /> <br />e <br /> <br />e <br /> <br />North Fork River Improvement Association <br />November 22-23.1999 Agenda Item 15c. <br /> <br />Hire a surveyor to measure cross sections <br />Purchase a velocity meter for accurate determination of flows and shear stress <br />Collect fluvial sediment samples during annual peak flows <br />Perform annual vegetative transects for riparian evaluation <br />Perform habitat evaluation studies <br />Record and report annual findings <br /> <br />3. Research the Effects of Paonia Reservoir ($75.000\ <br />The effects of Paonia Reservoir on sediment deposition and restoration efforts downstream are <br />unclear and need to be understood. Paonia Reservoir stores water from approximately 50% of <br />the upper watershed by damming Muddy Creek at the confluence with Anthracite Creek, at the <br />upstream end of the North Fork of the Gunnison River. Tons of sediment has historically been <br />discharged to the North Fork from natural geologic slide areas high in the Muddy Creek basin, <br />and Paonia Reservoir now traps these sediments. <br /> <br />Dr. David Cooper and Dr. Ellen Wohl of the Earth Sciences Dept. will supervise the research at <br />Colorado State University, using graduate students to perform the collection, compilation, <br />analysis, and dissemination of data. The following tasks have been identified: <br /> <br />Analysis of historic and current aerial photos <br />Compilation and analysis 'of studies performed prior to construction of the reservoir <br />Development of a sediment budget and water diversion budget <br />Geomorphic analysis of the source of the sediment and previous channel beds <br />Analysis of riparian cottonwood forests and previous wetlands established in the past <br />Habitat evaluation immediately downstream of the reservoir <br />Final report with conclusions and recommendations <br /> <br />4. Plan and Desion Demonstration Proiect <br />This demonstration project would incorporate recommendations developed from the study of <br />Paonia Reservoir to rehabilitate the floodplain. Specific tasks include: <br /> <br />Contact interested landowners and choose an appropriate site for the project <br />Perform a detailed land survey of the site <br />Design and engineer the project <br />Develop cost estimates and research funding <br /> <br />Discussion <br />NFRIC has received grants from a number of sources, with the larger grants ranging between <br />$20,000 to $70,000 in size. The focus of Association efforts is the 16-mile reach of the river <br />from east of Paonia to west of Hotchkiss. An initial grant from the CWCS in amount of $50,000 <br />to $60,000 would be similar in size to grants from other major contributors. <br /> <br />Of the 4 parts of the grant request, the Paonia Reservoir Research Study ($75,000) might be <br />best suited for CWCS grant funding. The Paonia Reservoir is silting up and loosing its ability to <br /> <br />3 <br />