Summary for Subcatchment 1S: POROUS
Runoff = 2.68 cfs @ 12.35 hrs, Volume= 0.406 af, Depth> 2.47"
Routed to Reach 3R : COMPOSITE
Runoff by SCS TR-20 method, UH=Delmarva, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs NOAA 24-hr D 100 YEAR Rainfall=9.48"
Area (ac) CN Description
1.080 30 Woods, Good, HSG A
0.110 39 >75% Grass cover, Good, HSG A
0.780 72 Dirt roads, HSG A
1.970 47 Weighted Average
1.970 100.00% Pervious Area
Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs) Description
2.5 140 0.0350 0.94 Shallow Concentrated Flow, Woodland Kv= 5.0 fps
1.6 190 0.0150 1.97 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps
19.1 430 Total
15.0 100 0.0450 0.11 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.42"
Subcatchment 1S: POROUS