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• SEDIMENT VOLUME <br /> The following sedim ent volume calculation is prepared in <br /> accordance with U. S. Depart ment of Agriculture, Technical <br /> • Notes, Agronomy Not e #59, da ted January, 1977. <br /> USING THE UNIVERSAL SOIL LOS S EQUATI ON <br /> A= R K L S C P <br /> R = rainfall factor 30.00 <br /> K = soil erodibility factor 0.32 <br /> LS = combined length slope fa ctor <br /> A B C D E <br /> Length Slope - ft. 400 700 1600 950 950 <br /> Slope - % 31 75 70 68 79 <br /> LS Factor 17 61 93 71 71 <br /> C = cropping management factor <br /> A B C D H <br /> Crop Management <br /> Canopy 25% <br /> Cover - Grass <br /> Ground Cover 40% 0.09 0.09 0.09 0.09 <br />• <br /> Crop Management <br /> Canopy 75% <br /> Cover - Grass <br /> Ground Cover 40% 0.08 <br /> P = erosion control practice factor = 1.0 <br /> SEDIMENT VOLUME <br /> AREA R K LS C P A <br /> A 30 0.32 17 0.09 1.0 19.69 <br /> B 30 0.32 61 0.09 1.0 52.70 <br /> C 30 0.32 93 0.08 1.0 71.42 <br /> D 30 0.32 71 0.09 1.0 61.34 <br /> H 30 0.32 71 0.09 1.0 61.34 <br /> AREA ACRES A TONS/YEAR AF/YEAR DR AF/YHAR <br /> A 5.5 14.69 80.8 0.032 0.750 0.02 <br /> B 3.8 52.70 199.2 0.080 0.250 0.02 <br /> C 10.9 71.42 778.5 0.311 0.250 0.08 <br /> D 3.9 61.34 239.2 0.096 0.500 0.05 <br />• E 9.5 61.34 276.0 0.110 0.250 0.03 <br /> TOTAL REQUIRED SEDIMENT VOLUME 0.197 <br /> C-14 3-29-91 <br />a <br />