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: p2200.man MAN. PRACTICE: description 1 description 2 description 3 SLOPE: p2200.slp CLIMATE: p2200.cli Station: MINDEN NV CLIGEN VER. 5.32 5.32 SOIL: p2200.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 Rock Outcrop-RockbouGRV-COS ANNUAL AVERAGE SUMMARIES ------------------------ I. RAINFALL AND RUNOFF SUMMARY -------- --- ------ ------- total summary: years 1 - 30 2155 storms produced 34531.20 mm of precipitation 3 rain storm runoff events produced 62.93 mm of runoff 3 snow melts and/or events during winter produced 48.86 mm of runoff annual averages --------------- Number of years 30 Mean annual precipitation 1151.04 mm Mean annual runoff from rainfall 2.10 mm Mean annual runoff from snow melt and/or rain storm during winter 1.63 mm II. ON SITE EFFECTS ON SITE EFFECTS ON SITE EFFECTS --------------- --------------- --------------- A. AREA OF NET SOIL LOSS ** Soil Loss (Avg. of Net Detachment Areas) = 0.002 kg/m2 ** ** Maximum Soil Loss = 0.004 kg/m2 at 203.91 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) ------------------------------------------------------------------------ 73.10- 261.62 0.002 0.001 0.004 203.91 0.000 261.62 B. AREA OF SOIL DEPOSITION ** Soil Deposition (Avg. of Net Deposition Areas) = -0.006 kg/m2 ** ** Maximum Soil Deposition = -0.023 kg/m2 at 319.33 meters ** Area of Soil Dep Soil Dep MAX MAX Dep MIN MIN Dep Net Dep MEAN STDEV Dep Point Dep Point (m) (kg/m2) (kg/m2) (kg/m2) (m) (kg/m2) (m) ------------------------------------------------------------------------ 303.94- 373.20 -0.006 0.007 -0.023 319.33 -0.000 373.20 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) ------------------------------------------------------------------------ 3.85 0.000 1 134.66 0.002 1 265.47 0.000 1 7.69 0.000 1 138.51 0.002 1 269.32 0.000 1 11.54 0.000 1 142.35 0.003 1 273.16 0.000 1 15.39 0.000 1 146.20 0.003 1 277.01 0.000 1 19.24 0.000 1 150.05 0.003 1 280.86 0.000 1 23.08 0.000 1 153.90 0.003 1 284.71 0.000 1 26.93 0.000 1 157.74 0.003 1 288.55 0.000 1 30.78 0.000 1 161.59 0.003 1 292.40 0.000 1 34.63 0.000 1 165.44 0.003 1 296.25 0.000 1 38.47 0.000 1 169.28 0.004 1 300.10 0.000 1 42.32 0.000 1 173.13 0.004 1 303.94 0.000 1 46.17 0.000 1 176.98 0.004 1 307.79 -0.001 1 50.02 0.000 1 180.83 0.004 1 311.64 -0.013 1 53.86 0.000 1 184.67 0.004 1 315.48 -0.022 1 57.71 0.000 1 188.52 0.004 1 319.33 -0.023 1 61.56 0.000 1 192.37 0.004 1 323.18 -0.013 1 65.41 0.000 1 196.22 0.004 1 327.03 -0.008 1 69.25 0.000 1 200.06 0.004 1 330.87 -0.005 1 73.10 0.000 1 203.91 0.004 1 334.72 -0.005 1 76.95 0.000 1 207.76 0.004 1 338.57 -0.004 1 80.79 0.000 1 211.61 0.004 1 342.42 -0.003 1 84.64 0.000 1 215.45 0.004 1 346.26 -0.002 1 88.49 0.000 1 219.30 0.003 1 350.11 -0.001 1 92.34 0.001 1 223.15 0.003 1 353.96 -0.000 1 96.18 0.001 1 227.00 0.003 1 357.81 -0.000 1 100.03 0.001 1 230.84 0.002 1 361.65 -0.000 1 103.88 0.001 1 234.69 0.002 1 365.50 -0.000 1 107.73 0.001 1 238.54 0.002 1 369.35 -0.000 1 111.57 0.001 1 242.38 0.001 1 373.20 -0.000 1 115.42 0.001 1 246.23 0.001 1 377.04 0.000 1 119.27 0.002 1 250.08 0.001 1 380.89 0.000 1 123.12 0.002 1 253.93 0.001 1 384.74 0.000 1 126.96 0.002 1 257.77 0.000 1 130.81 0.002 1 261.62 0.000 1 note: (+) soil loss - detachment (-) soil loss - deposition III. OFF SITE EFFECTS OFF SITE EFFECTS OFF SITE EFFECTS ---------------- ---------------- ---------------- A. AVERAGE ANNUAL SEDIMENT LEAVING PROFILE 0.037 kg/m of width 7.101 kg (based on profile width of 194.158 m) 0.001 t/ha (assuming contributions from 7.470 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 0.0 100.0 242.1 0.004 0.045 2 0.010 2.65 0.0 100.0 0.0 0.0 0.062 0.186 3 0.030 1.80 0.0 84.3 15.7 38.0 0.031 0.136 4 0.300 1.60 85.3 5.6 9.1 22.0 0.087 0.144 5 0.200 2.65 100.0 0.0 0.0 0.0 0.815 0.489 ------------------------------------------------------------------------------- Average annual SSA enrichment ratio leaving profile = 4.53