Annual; abbreviated (Metric Units) USDA WATER EROSION PREDICTION PROJECT ------------------------------------- HILLSLOPE PROFILE AND WATERSHED MODEL VERSION 2020.500 May 1, 2020 TO REPORT PROBLEMS OR TO BE PUT ON THE MAILING LIST FOR FUTURE WEPP MODEL RELEASES, PLEASE CONTACT: WEPP TECHNICAL SUPPORT USDA-AGRICULTURAL RESEARCH SERVICE NATIONAL SOIL EROSION RESEARCH LABORATORY 275 SOUTH RUSSELL STREET WEST LAFAYETTE, IN 47907-2077 USA PHONE: (765) 494-8673 FAX: (765) 494-5948 email: wepp@ecn.purdue.edu URL: http://topsoil.nserl.purdue.edu HILLSLOPE INPUT DATA FILES - VERSION 2020.500 May 1, 2020 MANAGEMENT: p1323.man MAN. PRACTICE: description 1 description 2 description 3 SLOPE: p1323.slp CLIMATE: p1323.cli Station: MINDEN NV CLIGEN VER. 5.32 5.32 SOIL: p1323.sol *** CAUTION *** SOIL FILE FORMAT IS NON-STANDARD WEPP User is solely responsible for entering CORRECT values for BD, SSC, THETFC, THETDR *** CAUTION *** PLANE 1 Lithnip-Meiss-HawkinGRX-SL ANNUAL AVERAGE SUMMARIES ------------------------ I. RAINFALL AND RUNOFF SUMMARY -------- --- ------ ------- total summary: years 1 - 30 2267 storms produced 38462.40 mm of precipitation 3 rain storm runoff events produced 33.98 mm of runoff 794 snow melts and/or events during winter produced 19542.47 mm of runoff annual averages --------------- Number of years 30 Mean annual precipitation 1282.08 mm Mean annual runoff from rainfall 1.13 mm Mean annual runoff from snow melt and/or rain storm during winter 651.42 mm II. ON SITE EFFECTS ON SITE EFFECTS ON SITE EFFECTS --------------- --------------- --------------- A. AREA OF NET SOIL LOSS ** Soil Loss (Avg. of Net Detachment Areas) = 0.101 kg/m2 ** ** Maximum Soil Loss = 1.093 kg/m2 at 346.21 meters ** Area of Soil Loss Soil Loss MAX MAX Loss MIN MIN Loss Net Loss MEAN STDEV Loss Point Loss Point (m) (kg/m2) (kg/m2) (kg/m2) (m) (kg/m2) (m) ------------------------------------------------------------------------ 13.85- 346.21 0.101 0.261 1.093 346.21 0.000 17.31 C. SOIL LOSS/DEPOSITION ALONG SLOPE PROFILE Profile distances are from top to bottom of hillslope distance soil flow distance soil flow distance soil flow (m) loss elem (m) loss elem (m) loss elem (kg/m2) (kg/m2) (kg/m2) ------------------------------------------------------------------------ 3.46 0.000 1 121.17 0.004 1 238.89 0.004 1 6.92 0.000 1 124.64 0.004 1 242.35 0.004 1 10.39 0.000 1 128.10 0.004 1 245.81 0.004 1 13.85 0.000 1 131.56 0.005 1 249.27 0.004 1 17.31 0.000 1 135.02 0.005 1 252.74 0.004 1 20.77 0.000 1 138.49 0.005 1 256.20 0.005 1 24.23 0.001 1 141.95 0.005 1 259.66 0.005 1 27.70 0.001 1 145.41 0.005 1 263.12 0.007 1 31.16 0.001 1 148.87 0.005 1 266.58 0.008 1 34.62 0.002 1 152.33 0.005 1 270.05 0.011 1 38.08 0.002 1 155.80 0.005 1 273.51 0.016 1 41.55 0.002 1 159.26 0.005 1 276.97 0.020 1 45.01 0.003 1 162.72 0.005 1 280.43 0.026 1 48.47 0.003 1 166.18 0.005 1 283.89 0.033 1 51.93 0.003 1 169.64 0.004 1 287.36 0.041 1 55.39 0.004 1 173.11 0.004 1 290.82 0.051 1 58.86 0.004 1 176.57 0.004 1 294.28 0.069 1 62.32 0.004 1 180.03 0.004 1 297.74 0.094 1 65.78 0.004 1 183.49 0.004 1 301.20 0.126 1 69.24 0.004 1 186.95 0.004 1 304.67 0.169 1 72.70 0.004 1 190.42 0.004 1 308.13 0.219 1 76.17 0.005 1 193.88 0.004 1 311.59 0.295 1 79.63 0.005 1 197.34 0.004 1 315.05 0.390 1 83.09 0.005 1 200.80 0.004 1 318.52 0.498 1 86.55 0.005 1 204.27 0.004 1 321.98 0.618 1 90.02 0.005 1 207.73 0.004 1 325.44 0.749 1 93.48 0.005 1 211.19 0.004 1 328.90 0.876 1 96.94 0.004 1 214.65 0.004 1 332.36 0.927 1 100.40 0.004 1 218.11 0.004 1 335.83 0.968 1 103.86 0.004 1 221.58 0.004 1 339.29 1.009 1 107.33 0.004 1 225.04 0.004 1 342.75 1.051 1 110.79 0.004 1 228.50 0.004 1 346.21 1.093 1 114.25 0.004 1 231.96 0.004 1 117.71 0.004 1 235.42 0.004 1 note: (+) soil loss - detachment (-) soil loss - deposition III. OFF SITE EFFECTS OFF SITE EFFECTS OFF SITE EFFECTS ---------------- ---------------- ---------------- A. AVERAGE ANNUAL SEDIMENT LEAVING PROFILE 33.407 kg/m of width 4950.121 kg (based on profile width of 148.175 m) 0.965 t/ha (assuming contributions from 5.130 ha) B. SEDIMENT CHARACTERISTICS AND ENRICHMENT Sediment particle information leaving profile ------------------------------------------------------------------------------- Particle Composition Detached Fraction Class Diameter Specific --------------------------------- Sediment In Flow (mm) Gravity % Sand % Silt % Clay % O.M. Fraction Exiting ------------------------------------------------------------------------------- 1 0.002 2.60 0.0 0.0 100.0 6.4 0.038 0.038 2 0.010 2.65 0.0 100.0 0.0 0.0 0.025 0.025 3 0.030 1.80 0.0 56.5 43.5 2.8 0.166 0.166 4 0.300 1.60 76.9 15.3 7.8 0.5 0.473 0.473 5 0.200 2.65 100.0 0.0 0.0 0.0 0.298 0.298 ------------------------------------------------------------------------------- Average annual SSA enrichment ratio leaving profile = 1.00