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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 />Table 3.--Summary of basic data and results of using the prediction equation for Colorado streams <br /> <br />Site <br />num- <br />ber <br /> <br />Dis- <br />charge1 <br />(cubic <br />feet per <br />second) <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 />Arkansas River at Pine Creek School, above Buena Vista <br /> <br />925 <br />1,450 <br />2,120 <br />2,760 <br />4,530 <br /> <br />2 <br /> <br />53 <br />214 <br />360 <br />765 <br /> <br />3 <br /> <br />249 <br />340 <br />407 <br />454 <br />526 <br /> <br />69 <br />73 <br />78 <br />79 <br />80 <br /> <br />3.72 <br />4.30 <br />5.27 <br />6.11 <br />8.65 <br /> <br />0.35 <br />.35 <br />.40 <br />.45 <br />.60 <br /> <br />0.026 <br />.023 <br />.021 <br />.025 <br />.026 <br /> <br />(lat <br />0.026 <br />.022 <br />.020 <br />.024 <br />.023 <br /> <br />Hydraulic <br />radius <br />(feet) <br /> <br />38058'38", <br />3.24 <br />3.99 <br />4.46 <br />4.85 <br />5.51 <br /> <br />Hydraulic <br />depth <br />(feet) <br /> <br />Manning's <br />n <br /> <br />Pre- <br />dicted <br />n <br />(equa- <br />tion 6) <br /> <br />Deviation <br />of com- <br />puted from <br />observed <br />value <br />(percent) <br /> <br />lon~ 106012' 4611) (Miscellaneous site) <br /> <br />3.61 0.142 0.081 -43 <br />4.66 .132 .074 -44 <br />5.22 .112 .071 -37 <br />5.75 .110 .074 -32 <br />6.58 .086 .074 -14 <br /> <br />Clear Creek near Lawson (lat 39045' 57" , lon~ 105037' 32") (Station <br /> <br />43 <br />71 <br />102 <br />141 <br /> <br />42 <br />46 <br />49 <br />52 <br /> <br />1.25 <br />3.00 <br />3.58 <br />5.48 <br /> <br />0.22 <br />.42 <br />.44 <br />.59 <br /> <br />0.015 <br />.017 <br />.018 <br />.019 <br /> <br />0.015 <br />.017 <br />.018 <br />.020 <br /> <br />1.02 <br />1.50 <br />2.00 <br />2.60 <br /> <br />1.02 <br />1.54 <br />2.08 <br />2.71 <br /> <br />06716500) <br />0.138 <br />.084 <br />.084 <br />.067 <br /> <br />0.079 <br />.078 <br />.076 <br />.074 <br /> <br />Cottonwood Creek below Hot SprinRs , near Buena Vista (lat 38048' 46" , lonse 106013' 18") (Station <br /> <br />31 <br />115 <br />281 <br />2465 <br /> <br />4 <br /> <br />21 <br />36 <br />43 <br />67 <br /> <br />24 <br />29 <br />30 <br />33 <br /> <br />1.48 <br />3.24 <br />6.61 <br />6.98 <br /> <br />0.28 <br />.51 <br />.97 <br />.86 <br /> <br />0.030 <br />.034 <br />.033 <br />.030 <br /> <br />0.030 <br />.034 <br />.039 <br />.028 <br /> <br />0.90 <br />1.20 <br />1. 51 <br />1.85 <br /> <br />0.88 <br />1.24 <br />1.43 <br />2.03 <br /> <br />0.159 <br />.097 <br />.052 <br />.058 <br /> <br />Crystal River above Avalanche Creek, near Redstone (lat 39013'56", lon~ 107013'36") <br /> <br />83 <br />272 <br />530 <br />1,220 <br /> <br />5 <br /> <br />204 <br />224 <br />233 <br />577 <br />2,300 <br />3,710 <br /> <br />6 <br /> <br />14 <br />26 <br />111 <br /> <br />7 <br /> <br />39 <br />254 <br />1,050 <br />1,410 <br /> <br />60 <br />112 <br />161 <br />220 <br /> <br />82 <br />88 <br />95 <br />94 <br /> <br />1.40 <br />2.44 <br />3.32 <br />5.58 <br /> <br />0.29 <br />.38 <br />.45 <br />.65 <br /> <br />0.003 <br />.004 <br />.004 <br />.004 <br /> <br />0.003 <br />.005 <br />.005 <br />.006 <br /> <br />0.72 <br />1.27 <br />1. 70 <br />2.24 <br /> <br />0.73 <br />1.27 <br />1. 70 <br />2.34 <br /> <br />Eade River below Gypsum (lat 39038'58", lon~ 106057'11") (Station <br /> <br />123 <br />125 <br />135 <br />226 <br />443 <br />528 <br /> <br />101 <br />92 <br />94 <br />112 <br />125 <br />129 <br /> <br />1.66 <br />1.89 <br />1.82 <br />2.60 <br />5.19 <br />7.04 <br /> <br />0.27 <br />.29 <br />.28 <br />.33 <br />.48 <br />.61 <br /> <br />0.003 <br />.004 <br />.004 <br />.004 <br />.004 <br />.004 <br /> <br />0.003 <br />.004 <br />.002 <br />.004 <br />.004 <br />.005 <br /> <br />1.21 <br />1.35 <br />1.42 <br />2.02 <br />3.51 <br />4.03 <br /> <br />1. 21 <br />1.36 <br />1.44 <br />2.02 <br />3.54 <br />4.09 <br /> <br />09089000) <br />0.104 <br />.104 <br />.100 <br />.093 <br /> <br />(Station 09081600) <br /> <br />0.045 0.046 <br />.046 .047 <br />.041 .045 <br />.028 .042 <br /> <br />09070000) <br />0.054 <br />.051 <br />.052 <br />.050 <br />.041 <br />.037 <br /> <br />ES!:eria Creek near Toponas (lat 40002'12", IonS!: 106046'56") (Miscellaneous site) <br /> <br />14 <br />19 <br />42 <br /> <br />39 <br />105 <br />185 <br />272 <br /> <br />26 <br />27 <br />36 <br /> <br />0.98 <br />1.36 <br />2.63 <br /> <br />0.24 <br />.28 <br />.42 <br /> <br />0.003 <br />.003 <br />.002 <br /> <br />0.003 <br />.003 <br />.002 <br /> <br />0.60 <br />.70 <br />1.17 <br /> <br />Elk River at Clark (lat 40043'03", IonR 106054'55") <br /> <br />59 <br />72 <br />81 <br />90 <br /> <br />1.01 <br />2.42 <br />5.73 <br />5.21 <br /> <br />0.22 <br />.35 <br />.66 <br />.53 <br /> <br />0.003 <br />.004 <br />.006 <br />.006 <br /> <br />0.003 <br />.004 <br />.005 <br />.005 <br /> <br />29 <br /> <br />0.54 <br />.70 <br />1.17 <br /> <br />0.057 <br />.044 <br />.030 <br /> <br />0.60 <br />1.50 <br />2.30 <br />2.98 <br /> <br />(Station 09241000) <br /> <br />0.66 0.058 <br />1.46 .052 <br />2.28 .034 <br />3.02 .044 <br /> <br />0.041 <br />.045 <br />.043 <br />.043 <br />.038 <br />.040 <br /> <br />0.046 <br />.043 <br />.038 <br /> <br />0.047 <br />.046 <br />.048 <br />.045 <br /> <br />-43 <br />-7 <br />-10 <br />11 <br /> <br />-34 <br />7 <br />92 <br />60 <br /> <br />2 <br />4 <br />11 <br />50 <br /> <br />-24 <br />-13 <br />-17 <br />-14 <br />-7 <br />8 <br /> <br />-19 <br />-2 <br />-29 <br /> <br />-18 <br />-10 <br />41 <br />2 <br />
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