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<br />. <br />. <br />. <br />,. <br />. <br />. <br />. <br />. <br />. <br />'. <br />i. <br />. <br />. <br />I. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br />Title of Study: <br />County: <br />Calculations By: <br /> <br />CWCS HvdroloClV Worksheet <br /> <br />FHBM - Dolores County, Colorado Unincorporated Area <br />Dolores <br />jag Date: August 9, 2000 <br /> <br />Page 1 <br /> <br />Documentation <br />This workbook estimates 100-year discharges for approximate floodplains in Colorado using the following <br />source: <br />Browning, T,W, 1999, Guidelines for Determining 100-year Flood Flows for Approximate <br />Floodplains in Colorado, Version 4,0. Colorado Water Conservation Board. January, <br /> <br />River Basin <br /> <br />DLR.l: Dolores, Dolores River Subregion <br /> <br />~=~3 <br /> <br />Status of Regression Equations for this sub-region: Draft <br /> <br />Regression Equation Data <br />Q=aAb <br /> <br />Where: <br />Q = Discharge (cfs) <br />A = Drainage Area (square mites) <br />a = coefficient = <br />b = coefficient = <br /> <br />213,8 <br />0,601 <br /> <br />Limited by: <br />Minimum Drainage Area = <br />Maximum Drainage Area = <br /> <br />2 square miles <br />1080 square mites <br /> <br />Discharge Calculations <br />Drainage <br />Area ID <br />01 <br />D2 <br />D3 <br />D4 <br />D5 <br />D6 <br />D7 <br />D8 <br />D9 <br />Dl0 <br />Dl1 <br />D12 <br />D13 <br />D14 <br />D15 <br />D16 <br />D17 <br />D18 <br /> <br />8/9/00 <br />eWeS_HydrOlogy.xls <br /> <br />Drainage <br />Area (mi2) <br /> <br />106,04 <br />814,83 <br />857.03 <br />981.41 <br />1016,35 <br />163,61 <br />27.48 <br />36,24 <br />64.47 <br />51.54 <br />7.44 <br />8,23 <br />30.80 <br />42.83 <br />19,27 <br />8,83 <br />12,38 <br />12,17 <br /> <br />Drainage Area Description <br />Dolores - Upstream_of East MontezLJma County Line <br />Dolores: Upstream of McPhee Dam <br />, DoJo!~s- Upstreal110fWest Montezul11a County Line <br />Dolores - Upstream of Glade Creek <br />Dolores--=- Upstream of S"11 Miguel CountY Line <br />West Dolores:_Upstream of Montezuma County Line <br />Groundhog Creek - Upstream of Mouth <br />Fish Creek - Upstream of Groundhog Creek <br />Fish Creek - Upstream of Mouth <br />Beaver Creek - Upstream of Canyon <br />Beaver Creek',West Tributary, Upstream of Mouth <br />Summer Camp Creek - Upstream of Mouth <br />Plateau Creek - Upstream of Summer Camp Creek <br />Plateau Creek - Upstream of Canyon <br />Calf Creek- Upstream of Canyon <br />Glade Cree,k, -,Upstream of Canyon, <br />Glade Creek - Upstream of Mouth <br />Disappointment Creek - Upstream of Morrison Creek <br /> <br />100-year <br />Discharge (cfs) <br />3,526 <br />12,010 <br />12,381 <br />13,431 <br />13,716 <br />4,576 <br />1,566 <br />1,850 <br />2,615 <br />2,286 <br />714 <br />759 <br />1,677 <br />2,045 <br />1,265 <br />792 <br />970 <br />960 <br />