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RGDSS_Tasks6-12to6-14_HistoricMonthlyModel_BaseflowCheckandSimulationRuns
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RGDSS_Tasks6-12to6-14_HistoricMonthlyModel_BaseflowCheckandSimulationRuns
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Last modified
9/26/2011 8:35:54 AM
Creation date
7/8/2008 7:55:17 AM
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Decision Support Systems
Title
RGDSS Task 6.12-6.14 - Phase IA - Evaluate Baseflows, Verify Model Operation, and Historical Diversion Check Runs and Analysis
Description
Memo documenting Phase 1a baseflow, check and simulation runs.
Decision Support - Doc Type
Task Memorandum
Date
2/23/2000
DSS Category
Surface Water
DSS
Rio Grande
Basin
Rio Grande
Contract/PO #
C153863
Grant Type
Non-Reimbursable
Bill Number
HB98-1189, SB99-173
Prepared By
Leonard Rice Engineering
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Water Budget <br />An overall average water budget for Phase la modeling efforts over the period 1950 - 1997 is <br />shown in Table 4. This table shows an average basin-wide consumptive use of approximately <br />474,000 a£ Diversions over this period average 1.38 million af, suggesting an average efficiency <br />of approximately 34 percent. Losses during this period average approximately 277,000 af. <br />This water budget reflects representation in the surface water model of approximately 90 percent <br />of decreed surface water rights. No values appear for well water use (inflows and consumptive <br />use) appear as wells were not represented during Phase la efforts. <br />Summary <br />The Phase la Rio Grande Surface Water Model has been completed. Approximately 90 percent <br />of decreed surface water rights in the Rio Grande Basin, 12 reservoirs and 28 instream flows are <br />represented in the model. Operations are characterized by approximately 300 operating rules. <br />Numerous calibration runs have been performed and several adjustments have been made to the <br />network structure and hydrology. The model calibrates quite well based on comparisons of <br />historical observations to modeled diversions, modeled reservoirs EOM contents and modeled <br />stream flows. <br />Comments and Concerns <br />None <br />Attachments <br />1. Phase la Results -Stream Flows <br />2. Phase la Results -Demand Shortages <br />3. Phase la Results -Reservoir EOM Contents <br />C:Acdss\Task6-14.doc Phase la Model (Flistoric Monthly) February 22, 2000 -Page 9 of 10 <br />
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