Laserfiche WebLink
NewFields <br /> Newmont <br /> VLF/OSA Closure Study <br /> East Cresson OSA Stormwater Bench Channels <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 (mi') I(ft) CN Y s tP (hr) tP(min) la (in.) <br /> ECOSA 1 0.0306 556 71.00 33.0% 4.08 0.04 2.7 0.817 <br /> ECOSA 2 0.0233 398 71.00 37.0% 4.08 0.03 2.1 0.817 <br /> ECOSA 3 0.0331 385 71.00 410% 4.08 0.03 1.9 0.817 <br /> ECOSA 4 0.0198 657 71.00 29.0% 4.08 0.05 3.3 0.817 <br /> ECOSA 5 0.0386 526 71.00 40.0% 4.08 0.04 2.3 0.817 <br /> ECOSA 6 0.0069 526 71.00 40.0% 4.08 0.04 2.3 0.817 <br /> ECOSA 7 0.0139 707 71.00 12.0% 4.08 0.09 5.4 0.817 <br /> ECOSA 8 0.0083 388 71.00 29.0% 4.08 0.04 2.2 0.817 <br /> ECOSA 9 0.0151 365 71.00 32-M 4.08 0.03 2.0 0.817 <br /> ECOSA 10 0.0221 685 71.00 30.0% 4.08 0.06 3.3 0.817 <br />