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: p1390.man MAN. PRACTICE: description 1 description 2 description 3 SLOPE: p1390.slp CLIMATE: p1390.cli Station: MINDEN NV CLIGEN VER. 5.32 5.32 SOIL: p1390.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 2269 storms produced 38261.80 mm of precipitation 4 rain storm runoff events produced 87.60 mm of runoff 580 snow melts and/or events during winter produced 12170.05 mm of runoff annual averages --------------- Number of years 30 Mean annual precipitation 1275.39 mm Mean annual runoff from rainfall 2.92 mm Mean annual runoff from snow melt and/or rain storm during winter 405.67 mm II. ON SITE EFFECTS ON SITE EFFECTS ON SITE EFFECTS --------------- --------------- --------------- A. AREA OF NET SOIL LOSS ** Soil Loss (Avg. of Net Detachment Areas) = 0.004 kg/m2 ** ** Maximum Soil Loss = 0.014 kg/m2 at 134.13 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) ------------------------------------------------------------------------ 4.02- 134.13 0.004 0.004 0.014 134.13 0.000 5.37 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) ------------------------------------------------------------------------ 1.34 0.000 1 46.94 0.001 1 92.55 0.006 1 2.68 0.000 1 48.29 0.001 1 93.89 0.006 1 4.02 0.000 1 49.63 0.001 1 95.23 0.006 1 5.37 0.000 1 50.97 0.001 1 96.57 0.006 1 6.71 0.000 1 52.31 0.001 1 97.91 0.006 1 8.05 0.000 1 53.65 0.001 1 99.25 0.007 1 9.39 0.000 1 54.99 0.002 1 100.59 0.007 1 10.73 0.000 1 56.33 0.002 1 101.94 0.007 1 12.07 0.000 1 57.67 0.002 1 103.28 0.007 1 13.41 0.000 1 59.02 0.002 1 104.62 0.007 1 14.75 0.000 1 60.36 0.002 1 105.96 0.008 1 16.10 0.000 1 61.70 0.002 1 107.30 0.008 1 17.44 0.000 1 63.04 0.002 1 108.64 0.008 1 18.78 0.000 1 64.38 0.002 1 109.98 0.008 1 20.12 0.000 1 65.72 0.002 1 111.33 0.009 1 21.46 0.000 1 67.06 0.002 1 112.67 0.009 1 22.80 0.000 1 68.40 0.003 1 114.01 0.009 1 24.14 0.000 1 69.75 0.003 1 115.35 0.009 1 25.48 0.000 1 71.09 0.003 1 116.69 0.010 1 26.83 0.000 1 72.43 0.003 1 118.03 0.010 1 28.17 0.000 1 73.77 0.003 1 119.37 0.010 1 29.51 0.000 1 75.11 0.003 1 120.71 0.011 1 30.85 0.000 1 76.45 0.003 1 122.06 0.011 1 32.19 0.000 1 77.79 0.004 1 123.40 0.011 1 33.53 0.001 1 79.13 0.004 1 124.74 0.011 1 34.87 0.001 1 80.48 0.004 1 126.08 0.012 1 36.21 0.001 1 81.82 0.004 1 127.42 0.012 1 37.56 0.001 1 83.16 0.004 1 128.76 0.012 1 38.90 0.001 1 84.50 0.005 1 130.10 0.013 1 40.24 0.001 1 85.84 0.005 1 131.44 0.013 1 41.58 0.001 1 87.18 0.005 1 132.79 0.013 1 42.92 0.001 1 88.52 0.005 1 134.13 0.014 1 44.26 0.001 1 89.86 0.005 1 45.60 0.001 1 91.21 0.005 1 note: (+) soil loss - detachment (-) soil loss - deposition III. OFF SITE EFFECTS OFF SITE EFFECTS OFF SITE EFFECTS ---------------- ---------------- ---------------- A. AVERAGE ANNUAL SEDIMENT LEAVING PROFILE 0.544 kg/m of width 127.836 kg (based on profile width of 234.853 m) 0.041 t/ha (assuming contributions from 3.150 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