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<br />... <br /> <br />) <br /> <br />" <br />I <br /> <br /> <br />Pro' ect <br />Increasing stream gaging efficiencies by the application of new stream flow measurement <br />technologies - Acoustic Doppler Current ProfIlers <br />It is critical that the existing network of USGS and DWR stream gages continue to be operated <br />and maintained. In addition, new gages will be needed in the future for flood monitoring and <br />warning, instream flow protection, and data purposes for decision support systems and <br />modeling efforts. However, there is currently a lack of funding for operation & maintenance of <br />gages and an insufficient number ofFTEs to address all of the gaging needs in Colorado. <br />Furthermore, the USGS is currently undergoing a prioritization process in their Gaging CO-OP <br />program that will likely result in the loss of gages over the next few years. In addition, all state <br />hydrographers are currently being fully utilized on existing gages, and therefore do not have the <br />capability to add additional gages to the existing network. <br /> <br />One strategy for addressing the cost associated with Operation and Maintenance of gages, and <br />the need for additional gages for CWCB purposes, is to research and implement new <br />streamflow measurement technologies in an effort to save the hydrographer time in making <br />streamflow measurements. Timesavings could then be utilized for the operation and <br />maintenance of new gages. <br /> <br />One such technological development is the Acoustic Doppler Current Profiler (ADCP). The <br />USGS has used ADCPs in other parts of the country, and it has been shown that this new <br />equipment can improve streamflow-measurement accuracy and efficiency in many locations. <br />However, it is uncertain how widely ADCPs can be used in Colorado streams that have shallow <br />depths, high velocities, and low sediment concentrations. An evaluation is proposed to examine <br />how widely ADCPs could be used in the streamgaging programs operated by the USGS and the <br />Division of Water Resources in Colorado. This cooperative project would utilize equipment and <br />personnel from both agencies to evaluate the potential for improved operations of gaging <br />stations based on the use of ADCPs. The project will also involve the purchase of two or more <br />ADCPs for the Division of Water Resources. In addition, once efficiencies are quantified, <br />agreements with the SEa and possibly the USGS, will be developed for operation and <br />maintenance of new a es that will benefit CWCB oals. <br />Slate River Dye Dilution Tracer Gage Installation <br />This is a proposal for the installation of a fully operational dye dilution tracer gage on the Slate <br />River for the purpose of administration of the Board's Instream Flow rights. The Board <br />recently entered into a stipulation with the Upper Gunnison Water Conservancy District to <br />mitigate the impacts of numerous subdivisions in the Crested Butte area with direct <br />augmentation water from Meridian Lake. Although an existing USGS gage can be used for <br />summer administration, winter administration is problematic as a result of ice conditions and <br />inaccurate or absent data. Over the past three years, the Board has cooperated with the USGS <br />to develop dye dilution gaging technology for applications in Colorado. This proposal covers <br />installation, 0 eration and maintenance for one ear. <br />ISF low flow warning system utilizing existing satellite gages. <br />This is an on-going project that was initiated in FY 2002. It involves coordination with the <br />DWR and USGS, as well as IT programming to automatically alert CWCB staff when low flow <br />conditions exist. This funding request is to further refme the capabilities of the system. add <br />additional alert gages to the system, and provide minimal operating expenses for phone-based <br />and e-mail alerts. <br />Flood hardening and flood warning systems, <br />ver the past four years, CWCB, DWR and USGS staff began a process to upgrade gage <br />installations throu out the state so that the could continue to be 0 ted and survive durin <br /> <br /> <br />Flood Protection. Water Project Planning and Financing. Stream and Lake Protection <br />Water Supply Protection. Conservation Planning <br /> <br />Estimated Cost <br />$85,000 <br /> <br />$ 25,000 <br /> <br />$5,000 <br /> <br />$ 50,000 <br />