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<br />- - -- <br /> <br />- -- <br /> <br />------- <br /> <br />- <br /> <br />- - -- <br /> <br />Time of Concentation - basins <br /> <br />Catchments Overland Flow Shallow Flow Channel outlet outlet <br />at the Divide Elevation Length Slope lor Elevation Length Slope Yor t,r Elevation Length Slope V channel t,,1wmd t, t, <br /> U/S D/S (ft) (ftlft) (min) U/S D/S (ft) (ftlft) (Ips) (min) U/S D/S (ft) (ftlft) (Ips) (min) (min) (hr) <br />NCC VIS (I) 12147 121 00 300 0.16 15 12100 11360 2000 0.37 9 4 11360 9240 21660 0.10 11 33 51 0.85 <br />NCC Basin 4 8960 8940 300 0.07 21 g940 8360 1000 0.58 10 2 20 43 0.71 <br />Silver Creek 10929 10870 300 0.20 13 10870 10420 2000 0.23 8 4 10420 g920 13gg0 0.11 5 46 64 1.07 <br />Missouri Creek 10200 10160 300 0.13 16 10160 9g00 2000 0.18 7 5 9800 g380 21320 0.07 4 g9 109 1.82 <br />Founnile Gulch 9290 9240 300 0.17 14 9240 9070 2000 0.09 5 7 9070 8000 12035 0.09 5 42 63 1.05 <br />Gregory U/S (8) 9620 9560 300 0.20 13 9560 9350 1000 0.21 8 2 9350 8940 7440 0.06 6 20 36 0.60 <br />Gregory D/S (9) 9974 9960 300 0.05 24 9960 9520 2000 0.22 8 4 9520 g040 9200 0.16 6 26 55 0.91 <br />Chase VIS (5) 100g1 99g0 300 0.34 II 9980 9560 1000 0.42 10 2 9560 8660 13925 0.06 6 38 51 0.g5 <br />Chase D/S (6) 8995 8993 100 0.02 14 8993 8940 1000 0.05 3.60 5 8940 8870 3600 0.02 2.1 29 47 0.78 <br /> <br />n=.15 short grass (Table 3-1, TR55) <br />2yr, 24-hr rain = 1.6 in <br /> <br />Yor (Figure 3-1 TR55) <br /> <br />Y""""" from subcriticaI HEC-2, bankfull, Chase and Greg. D/S & NC U/S <br />remainder from SCS velocity curve, grassed waterway <br />