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Last modified
1/25/2010 7:15:25 PM
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10/5/2006 3:49:58 AM
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Title
Determination of Roughness Coefficients for Streams in Colorado
Date
1/1/1985
Prepared For
CWCB
Prepared By
CWCB
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />i. <br /> <br />Table 3.--Summary of basic data and results of using the prediction equation for Colorado streams--Continued <br /> <br />Site <br />num- <br />ber <br /> <br />Dis. <br />charge1 <br />(cubic <br />feet per <br />second) <br /> <br />8 <br /> <br />12 <br />94 <br />242 <br /> <br />9 <br /> <br />493 <br />1,380 <br />1,580 <br />1,800 <br /> <br />10 <br /> <br />148 <br />830 <br />1,360 <br /> <br />II <br /> <br />48 <br />92 <br />331 <br />409 <br /> <br />12 <br /> <br />2,920 <br />3,170 <br /> <br />13 <br /> <br />151 <br />2,060 <br />4,040 <br /> <br />14 <br /> <br />Area <br />(square <br />feet) <br /> <br />Width <br />(feet) <br /> <br />Velocity <br />(feet per <br />second) <br /> <br />Average values for reach <br /> <br />Froude Friction <br />number slope <br /> <br />Water <br />slope <br /> <br />Hydraulic <br />radius <br />(feet) <br /> <br />Hydraulic <br />depth <br />(feet) <br /> <br />HalfmoOD Creek near Malta Oat 39010120", lonR 106023'19") (Station <br /> <br />14 <br />35 <br />48 <br /> <br />29 <br />32 <br />32 <br /> <br />0.88 <br />2.73 <br />5.06 <br /> <br />0.23 <br />.46 <br />.73 <br /> <br />0.011 <br />.016 <br />.014 <br /> <br />0.011 <br />.016 <br />.015 <br /> <br />0.50 <br />1.05 <br />1.42 <br /> <br />Hermosa Creek near Hermosa (lat 37625'19", lonR 107050'40") <br /> <br />122 <br />224 <br />252 <br />264 <br /> <br />53 <br />78 <br />82 <br />84 <br /> <br />4.05 <br />6.26 <br />6.36 <br />6.94 <br /> <br />0.47 <br />.66 <br />.65 <br />.70 <br /> <br />0.019 <br />.014 <br />.014 <br />.014 <br /> <br />Lake Creek above Twin Lakes Reservoir <br /> <br />68 <br />147 <br />185 <br /> <br />53 <br />64 <br />68 <br /> <br />2.21 <br />5.70 <br />7.41 <br /> <br />0.35 <br />.67 <br />.79 <br /> <br />(lat <br />0.019 <br />.023 <br />.024 <br /> <br />0.019 <br />.014 <br />.014 <br />.014 <br /> <br />2.23 <br />2.85 <br />3.03 <br />3.36 <br /> <br />0.48 <br />1.09 <br />1.50 <br /> <br />Manning's <br />n <br /> <br />07083000) <br />0.109 <br />.062 <br />.042 <br /> <br />(Station 09361000) <br /> <br />2.30 0.087 <br />2.87 .052 <br />3.07 .054 <br />3.14 .049 <br /> <br />3900314711, long 107050'40") <br /> <br />0.019 <br />.023 <br />.024 <br /> <br />1.20 <br />2.12 <br />2.53 <br /> <br />Pre- <br />dicted <br />n <br />(equa- <br />tion 6) <br /> <br />0.079 <br />.080 <br />.072 <br /> <br />0.076 <br />.065 <br />.065 <br />.063 <br /> <br />1.28 <br />2.30 <br />2.72 <br /> <br />(Station 07084500) <br />0.098 0.084 <br />.062 .083 <br />.056 .082 <br /> <br />Mad Creek near Steamboat Sprin~s (lat 40033' 56" , long 106053' 19") (Miscellaneous site) <br /> <br />32 <br />46 <br />91 <br />127 <br /> <br />54 <br />56 <br />61 <br />63 <br /> <br />1.53 <br />2.03 <br />3.72 <br />3.27 <br /> <br />0.35 <br />.39 <br />.54 <br />.41 <br /> <br />419 <br />451 <br /> <br />Piedra River at Piedra <br /> <br />(lat <br />0.63 <br />.61 <br /> <br />109 6.97 <br />110 7.03 <br /> <br />Rio Grande at Wagonwheel <br /> <br />103 <br />453 <br />680 <br /> <br />116 <br />152 <br />170 <br /> <br />1.47 <br />4.56 <br />5.94 <br /> <br />0.026 <br />.026 <br />.025 <br />.021 <br /> <br />37013'20", <br />0.004 <br />.004 <br /> <br />0.026 <br />.026 <br />.027 <br />.023 <br /> <br />0.60 <br />.80 <br />1.40 <br />1.92 <br /> <br />lon~ 107020'32") <br />0.004 3.80 <br />.005 4.03 <br /> <br />(Station <br />3.84 <br />4.10 <br /> <br />0.59 <br />.82 <br />1.49 <br />2.02 <br /> <br />0.117 <br />.IOB <br />.082 <br />.105 <br /> <br />09349500) <br />0.034 <br />.037 <br /> <br />Gap (lat 37046'01", long 106049'51") (Station <br /> <br />0.28 0.004 0.004 0.89 0.89 <br />.46 .004 .004 2.97 2.98 <br />.52 .003 .004 3.98 4.00 <br /> <br />Roarin~ Fork River at Glenwood Sprin~s <br /> <br />39032' 37". lonR 10]019' 44") <br /> <br />571 <br />650 <br />1,170 <br />3,260 <br /> <br />15 <br /> <br />2,700 <br />3,175 <br /> <br />245 <br />256 <br />366 <br />559 <br /> <br />145 <br />147 <br />158 <br />170 <br /> <br />2.34 <br />2.56 <br />3.19 <br />5.83 <br /> <br />0.32 <br />.35 <br />.37 <br />.57 <br /> <br />396 <br />434 <br /> <br />San Juan River at Pa~osa Sprin~s <br /> <br />0.66 <br />.70 <br /> <br />119 <br />126 <br /> <br />6.84 <br />7.34 <br /> <br />(lat <br />0.002 <br />.002 <br />.003 <br />.003 <br /> <br />0.003 <br />.003 <br />.003 <br />.004 <br /> <br />1.73 <br />1.80 <br />2.32 <br />3.29 <br /> <br />08217500) <br />0.058 <br />.041 <br />.035 <br /> <br />0.106 <br />.100 <br />.091 <br />.081 <br /> <br />0.039 <br />.040 <br /> <br />0.049 <br />.039 <br />.036 <br /> <br />1.69 <br />1. 74 <br />2.32 <br />3.29 <br /> <br />(Station 09085000) <br /> <br />0.044 0.037 <br />.041 .036 <br />.043 .037 <br />.032 .037 <br /> <br />(lat 37015' 58" , lonR 107000' 3711) (Station 09342500) <br /> <br />0.008 0.008 3.34 3.33 0.042 0.050 <br />.007 .007 3.43 3.44 .038 .049 <br /> <br />30 <br /> <br />Deviation <br />of com- <br />puted from <br />observed <br />value <br />(percent) <br /> <br />-28 <br />28 <br />73 <br /> <br />-13 <br />26 <br />20 <br />28 <br /> <br />-15 <br />33 <br />47 <br /> <br />-10 <br />-7 <br />11 <br />-22 <br /> <br />15 <br />9 <br /> <br />'15 <br />-3 <br />I <br /> <br />-16 <br />-II <br />-13 <br />14 <br /> <br />20 <br />32 <br />
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