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<br /> <br />e <br /> <br />N <br /> <br />Major <br />Activ; ty <br />Numbe r <br /> <br />" <br />AI (contd) <br /> <br />e <br /> <br />e <br /> <br />o <br />o <br />(-.;) <br />....... <br />,.... <br /><:::> <br /> <br />USDA DETAILED WORK OUTLINE <br />RIO GRANOE TYPE 4 COOPERATIVE STUDY <br />April 1975 <br /> <br />General Procedure <br />and Da ta Source <br /> <br />Statusl <br />Man-Cay,,- <br />SCS: FS: :::?,~. <br /> <br />Specific Procedures <br /> <br />:Purpose <br /> <br />:Who <br /> <br />:Start <br /> <br />End <br /> <br />j. Make water budgets to determine impacts of needed <br />improvements. Coordinate with lP Model strategies <br />and hydrologic studies. <br />k. Investigate possible water budget models: <br />1. USGS analog <br />2. Basin Simulation Model (SCS) <br />I. Inventory water supply: <br />I. Streamflow records <br />2. Diversion records <br />3. Pumping records <br />4. Reservoir storage <br />5. Groundwater storage <br />m. Determine water use coefficients for irrigated <br />crops, phreatophytes, etc. <br />n. 'ntegrate irrigation systems, irrigation method. <br />and reservoir storage information into model, <br />o. Necessary procedures performed under "Irrigated <br />Cropland - provide water for late season irriga- <br />tion," <br />p. Obtain phreatophyte water use from water budget <br />model referred to under '~ater integrate surface <br />and ground water supplies into the total water <br />demand and use patterns." The model may be <br />operated for various alternative conditions one <br />of which may reflect a reduction of phreatophyte <br />acreage or. rate of use. <br />q. Review information from water budget model for <br />impact of irrigation on natural ground water <br />recharge and depletion. <br />r. Determine the need far ground water recharge in <br />addition to natural recharge from irrigation. <br />s. Consider various opportunities for deliberate <br />ground water recharge and evaluate their potential <br />impacts: <br />1. Use of storage pits or reservoirs. <br />2. Water spreading systems <br />3. Wells <br />.4. Other <br /> <br />Smi th <br />Wi lkes <br /> <br />6/7/ <br /> <br />Smith <br />Wi lkes <br /> <br />Completed <br /> <br />Smi th <br />Wi lkes <br /> <br />Complete <br />except <br />ground <br />water <br /> <br />Elkin. <br />Wi lkes <br /> <br />I week; check <br />CSU Study <br />On-going <br /> <br />W; lkes <br /> <br />10/75 <br />10/75 <br /> <br />On-going <br /> <br />Wi Jkes <br /> <br />Wi lkes <br /> <br />Include in <br />lP Mode I <br /> <br />. <br /> <br />Wi lkes <br /> <br />20 man-days <br /> <br />Wi Ikes <br />Elkin <br />WffkeS <br />Elkin <br /> <br />20 man-days <br />