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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.--Summarg of basic data and results of using the prediction equation for Colorado streams.-Continued <br /> <br /> Dis. Average values for reach Pre. Deviation <br />Site charge1 dicted of com- <br /> puted from <br />num- (cubic Area Width Velocity Froude Friction Water Hydraulic Hydraulic Manning's n observed <br />ber feet per (square (feet) (feet per number slope slope radius depth (equa- value <br /> second) feet) second) (feet) (feet) n tion 6) <br /> (percent) <br /> <br />16 <br /> <br />70 <br />800 <br />21,450 <br /> <br />17 <br /> <br />13 <br />29 <br />57 <br />164 <br />2190 <br /> <br />18 <br /> <br />234 <br />590 <br /> <br />(lat 37039'25". <br />0.009 0.009 <br />.007 .006 <br />.007 .007 <br /> <br />lonp: 106038'55") (Station 08219000) <br /> <br />0.98 0.98 0.087 0.064 <br />2.44 2.45 .043 .050 <br />3.52 3.61 .052 .048 <br /> <br />South Fork Rio Grande at South Fork <br /> <br />48 <br />157 <br />271 <br /> <br />49 <br />64 <br />75 <br /> <br />1.51 <br />5.12 <br />5.36 <br /> <br />0.27 <br />.58 <br />.50 <br /> <br />Trout Creek near Oak Creek (lat 40018'44", lon~ 107000'34") (Miscellaneous site) <br /> <br />11 <br />14 <br />19 <br />31 <br />54 <br /> <br />22 <br />23 <br />25 <br />26 <br />33 <br /> <br />1.23 <br />2.11 <br />2.97 <br />5.36 <br />3.54 <br /> <br />0.31 <br />.48 <br />.59 <br />.87 <br />.49 <br /> <br />0.016 <br />.011 <br />.016 <br />.013 <br />.013 <br /> <br />0.016 <br />.018 <br />.016 <br />.015 <br />.014 <br /> <br />0.50 <br />.60 <br />.80 <br />1.13 <br />1.57 <br /> <br />0.5 <br />.61 <br />.76 <br />1.19 <br />1.64 <br /> <br />0.089 <br />.065 <br />.053 <br />.033 <br />.064 <br /> <br />0.091 <br />.091 <br />.084 <br />.074 <br />.070 <br /> <br />73 <br />110 <br /> <br />Walton Creek near Steamboat Spriop:s (!at 40034' 39" , <br /> <br />0.027 <br />.034 <br /> <br />loop: 106047'11") (Station 09238500) <br /> <br />1.63 1.59 0.103 0.091 <br />1.87 2.16 .074 .095 <br /> <br />46 <br />51 <br /> <br />3.27 <br />5.46 <br /> <br />0.45 <br />.66 <br /> <br />0.027 <br />.031 <br /> <br />19 <br /> <br />White River above Coal Creek. near Meeker (lat 40000'18". loop: 107049'29") (Station <br /> <br />358 <br />1,350 <br />1,740 <br /> <br />20 <br /> <br />86 <br />335 <br />1,170 <br />1,870 <br /> <br />21 <br /> <br />Range: <br />Minimum <br /> <br />Maximum 4,530 <br /> <br />154 <br />276 <br />314 <br /> <br />61 <br />88 <br />95 <br /> <br />2.40 <br />4.91 <br />5.54 <br /> <br />0.32 <br />.49 <br />.54 <br /> <br />0.002 <br />.003 <br />.004 <br /> <br />0.002 <br />.003 <br />.004 <br /> <br />1.80 <br />3.10 <br />3.25 <br /> <br />2.52 <br />3.14 <br />3.31 <br /> <br />0.039 <br />.034 <br />.035 <br /> <br />Yampa River at Steamboat SprinRs (lat 40029'01", lOUR 106049'54") (Station <br /> <br />63 <br />117 <br />250 <br />'282 <br /> <br />68 <br />86 <br />103 <br />105 <br /> <br />1. 37 <br />2.89 <br />4.68 <br />6.64 <br /> <br />0.25 <br />.44 <br />.53 <br />.71 <br /> <br />0.006 <br />.006 <br />.005 <br />.005 <br /> <br />0.006 <br />.006 <br />.005 <br />.006 <br /> <br />0.90 <br />1.30 <br />2.40 <br />2.66 <br /> <br />0.93 <br />1.36 <br />2.43 <br />2.69 <br /> <br />09239500) <br />0.074 <br />.047 <br />.041 <br />.032 <br /> <br />Yampa River near Oak Creek (lat 40016'47", lOOR 106050'50") (Miscellaneous site) <br /> <br />51 <br />119 <br />135 <br /> <br />12 <br /> <br />680 <br /> <br />29 <br />44 <br />50 <br /> <br />11 <br /> <br />170 <br /> <br />38 <br />42 <br />42 <br /> <br />1.85 <br />2.74 <br />2.72 <br /> <br />0.38 <br />.48 <br />.44 <br /> <br />0.22 <br /> <br />0.004 <br />.004 <br />.004 <br /> <br />0.002 <br /> <br />.97 <br /> <br />.034 <br /> <br />0.004 <br />.005 <br />.005 <br /> <br />0.002 <br /> <br />.039 <br /> <br />0.76 <br />1.10 <br />1.20 <br /> <br />0.76 <br />1.05 <br />1.19 <br /> <br />0.041 <br />.034 <br />.038 <br /> <br />0.028 <br /> <br />.159 <br /> <br />09304200) <br />0.032 <br />.034 <br />.038 <br /> <br />0.056 <br />.052 <br />.046 <br />.045 <br /> <br />0.049 <br />.047 <br />.048 <br /> <br />0.032 <br /> <br />.106 <br /> <br />-26 <br />17 <br />-7 <br /> <br />2 <br />41 <br />60 <br />123 <br />10 <br /> <br />-II <br />28 <br /> <br />-18 <br />o <br />8 <br /> <br />-24 <br />11 <br />11 <br />44 <br /> <br />20 <br />38 <br />25 <br /> <br />-44 <br /> <br />123 <br /> <br />22 <br /> <br />0.88 <br /> <br />0.50 <br /> <br />0.48 <br /> <br />lDischarge does not exactly equal the product of area and velocity because they are average values for the reach. <br />2Not used to develop prediction equation because bank vegetation was extremely dense. <br /> <br />8.65 <br /> <br />31 <br /> <br />5.51 <br /> <br />6.58 <br />
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