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NewFields <br /> Newmont <br /> VLF/OSA Closure Study <br /> Squaw Gulch OSA Stormwater Diversion Channel <br /> Watershed Characteristics and Lag Time Calculation <br /> 10.8(S + 1)0.7 <br /> tP 1900yo.5 <br /> tP Lag Time (hr.) <br /> I Length to Divide (ft) <br /> y Avg. Watershed Slope (%) <br /> CN Composite Curve Number <br /> S 1000/CN-10(in.) <br /> la Initial Abstraction (0.2*S) <br /> Input Values <br /> Lag Time and Watershed Characteristics <br /> Watershed Area (mil) I(ft) CN y s tp(hr) tp(min) fa (in.) <br /> SGOSA 1 0.0319 1,114 71.00 18.4% 4.08 0.10 6.3 0.817 <br /> SGOSA 2 0.0356 807 71.00 9.9% 4.08 0.08 4.9 0.817 <br /> SGOSA 3 0.0124 M 71.00 21.9% 4.08 0.10 6.3 0.817 <br /> SGOSA 4 0.0079 398 71.00 32.7lG 4.08 0.03 2.1 0.817 <br /> SGOSA 5 0.0200 863 71.00 1LO% 4.08 0.11 6.6 0.817 <br /> SGOSA 6 0.0087 330 71.00 34.9% 4.08 0.03 1.7 0.817 <br /> SGOSA 7 0.0071 338 71.00 1 36.9% 4.08 0.03 1.8 0.817 <br />