File: /geodata/weppcloud_runs/lt_202012_62_Blackwood_Creek_ModSev/wepp/output/H109.loss.dat
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: p109.man
MAN. PRACTICE: description 1
description 2
description 3
SLOPE: p109.slp
CLIMATE: p109.cli
Station: TAHOE CA CLIGEN VER. 5.32 5.32
SOIL: p109.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 Waca very gravelly mSPM
ANNUAL AVERAGE SUMMARIES
------------------------
I. RAINFALL AND RUNOFF SUMMARY
-------- --- ------ -------
total summary: years 1 - 30
2489 storms produced 42432.50 mm of precipitation
6 rain storm runoff events produced 58.06 mm of runoff
65 snow melts and/or
events during winter produced 1094.17 mm of runoff
annual averages
---------------
Number of years 30
Mean annual precipitation 1414.42 mm
Mean annual runoff from rainfall 1.94 mm
Mean annual runoff from snow melt
and/or rain storm during winter 36.47 mm
II. ON SITE EFFECTS ON SITE EFFECTS ON SITE EFFECTS
--------------- --------------- ---------------
A. AREA OF NET SOIL LOSS
** Soil Loss (Avg. of Net Detachment Areas) = 0.539 kg/m2 **
** Maximum Soil Loss = 1.391 kg/m2 at 494.10 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)
------------------------------------------------------------------------
39.85- 733.18 0.539 0.355 1.391 494.10 0.000 47.82
B. AREA OF SOIL DEPOSITION
** Soil Deposition (Avg. of Net Deposition Areas) = -3.589 kg/m2 **
** Maximum Soil Deposition = -6.463 kg/m2 at 749.12 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)
------------------------------------------------------------------------
733.18- 796.94 -3.589 1.750 -6.463 749.12 -1.688 741.15
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)
------------------------------------------------------------------------
7.97 0.000 1 278.93 0.360 1 549.89 0.946 1
15.94 0.000 1 286.90 0.331 1 557.86 0.884 1
23.91 0.000 1 294.87 0.300 1 565.83 0.819 1
31.88 0.000 1 302.84 0.267 1 573.80 0.753 1
39.85 0.000 1 310.81 0.235 1 581.76 0.701 1
47.82 0.000 1 318.78 0.220 1 589.73 0.680 1
55.79 0.004 1 326.74 0.215 1 597.70 0.660 1
63.76 0.013 1 334.71 0.209 1 605.67 0.639 1
71.72 0.031 1 342.68 0.203 1 613.64 0.618 1
79.69 0.061 1 350.65 0.195 1 621.61 0.598 1
87.66 0.099 1 358.62 0.190 1 629.58 0.656 1
95.63 0.139 1 366.59 0.201 1 637.55 0.757 1
103.60 0.175 1 374.56 0.213 1 645.52 0.862 1
111.57 0.207 1 382.53 0.226 1 653.49 0.974 1
119.54 0.236 1 390.50 0.239 1 661.46 1.095 1
127.51 0.262 1 398.47 0.253 1 669.43 1.165 1
135.48 0.285 1 406.44 0.281 1 677.40 1.071 1
143.45 0.314 1 414.41 0.325 1 685.37 0.963 1
151.42 0.345 1 422.38 0.382 1 693.34 0.857 1
159.39 0.376 1 430.35 0.446 1 701.31 0.756 1
167.36 0.406 1 438.32 0.511 1 709.28 0.657 1
175.33 0.434 1 446.29 0.584 1 717.24 0.473 1
183.30 0.462 1 454.25 0.700 1 725.21 0.266 1
191.27 0.483 1 462.22 0.832 1 733.18 0.101 1
199.23 0.502 1 470.19 0.980 1 741.15 -1.688 1
207.20 0.518 1 478.16 1.137 1 749.12 -6.463 1
215.17 0.530 1 486.13 1.307 1 757.09 -6.199 1
223.14 0.538 1 494.10 1.391 1 765.06 -2.670 1
231.11 0.528 1 502.07 1.332 1 773.03 -2.748 1
239.08 0.508 1 510.04 1.269 1 781.00 -2.798 1
247.05 0.483 1 518.01 1.205 1 788.97 -2.958 1
255.02 0.454 1 525.98 1.138 1 796.94 -3.184 1
262.99 0.422 1 533.95 1.072 1
270.96 0.388 1 541.92 1.008 1
note: (+) soil loss - detachment (-) soil loss - deposition
III. OFF SITE EFFECTS OFF SITE EFFECTS OFF SITE EFFECTS
---------------- ---------------- ----------------
A. AVERAGE ANNUAL SEDIMENT LEAVING PROFILE
145.080 kg/m of width
14418.058 kg (based on profile width of 99.380 m)
1.820 t/ha (assuming contributions from 7.920 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 0.0 100.0 189.6 0.014 0.034
2 0.010 2.65 0.0 100.0 0.0 0.0 0.187 0.273
3 0.030 1.80 0.0 84.3 15.7 29.9 0.095 0.237
4 0.300 1.60 80.2 7.6 12.2 23.2 0.197 0.220
5 0.200 2.65 100.0 0.0 0.0 0.0 0.507 0.236
-------------------------------------------------------------------------------
Average annual SSA enrichment ratio leaving profile = 1.86
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