WEPP software output:

 

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I have select a hillslope in my catchment area. In the above picture the channel is pointed. And run the software for 100 simulation year. And got the following results.

 

 

WEPP.gif

 

 

WEPP GRAPH.gif

 

 The channel slope is 174, the WEPP  software gives the above result. So from this software run we get the segment length,average soil deposition of the selected channel. And also the hillslope profile  and the erosion with respect to distance from the SOIL LOSS GRAPH. Here the simulation year is 100.

 

Report

 

Annual; abbreviated (English Units)                                   

 

 

          USDA WATER EROSION PREDICTION PROJECT

          -------------------------------------

 

          HILLSLOPE PROFILE AND WATERSHED MODEL

                     VERSION  2008.907

           September 29,    2008

 

 

               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  2008.907

      September 29,    2008

 

 

    MANAGEMENT: p0.man                                            

 MAN. PRACTICE: description 1                                              

                description 2                                              

                description 3                                               

         SLOPE: p0.slp                                           

       CLIMATE: p0.cli                                           

       Station:  DULCE NM                                       CLIGEN VERSION  4.30

          SOIL: p0.sol                                            

      PLANE  1 Low severity fire-sasandy loam         

 

 

     ANNUAL AVERAGE SUMMARIES

     ------------------------

 

 

I.   RAINFALL AND RUNOFF SUMMARY

     -------- --- ------ -------

 

      total summary:  years    1 -  100

 

      7334 storms produced                          1641.2   in. of precipitation

       107 rain storm runoff events produced           3.2   in. of runoff

       349 snow melts and/or

             events during winter produced            80.7   in. of runoff

 

      annual averages

      ---------------

 

        Number of years                                  100

        Mean annual precipitation                       16.4 in/yr

        Mean annual runoff from rainfall                 0.0 in/yr

        Mean annual runoff from snow melt

          and/or rain storm during winter                0.8 in/yr

 

 

 

II.  ON SITE EFFECTS  ON SITE EFFECTS  ON SITE EFFECTS

     ---------------  ---------------  ---------------

 

 

  A.  AREA OF NET SOIL LOSS

 

      ** Soil Loss (Avg. of Net Detachment Areas) =      0.0    t/a **

      ** Maximum Soil Loss  =      0.1    t/a at  1683.1    ft. **

 

 

                Area of              Soil Loss   Soil Loss   MAX    MAX Loss   MIN   MIN Loss

                                                                                             Net Loss               MEAN      STDEV    Loss     Point       Loss      Point

                                                                                               ft.                             t/a           t/a            t/a         ft.             t/a             ft.

------------------------------------------------------------------------

    0.0-    860.2        0.0       0.0         0.0      691.9       0.0    205.7

897.6-   1458.6      0.0       0.0        0.1     1084.6      0.0    916.3

                                                                                               1477.3-   1870.1      0.1       0.0        0.1    1683.1       0.0   1496.0

 

  B.  AREA OF SOIL DEPOSITION

 

      ** Soil Deposition (Avg. of Net Deposition Areas) =       0.0    t/a **

      ** Maximum Soil Deposition  =      -0.1    t/a at   897.6    ft. **

 

          Area of    Soil Dep        Soil Dep     MAX    MAX  DepMIN    MIN Dep

                                                                                              Net Dep       MEAN        STDEV       Dep      Point       Dep         Point

                                                                                                                 ft.                   t/a               t/a           t/a           ft.          t/a              ft.

------------------------------------------------------------------------

  860.2-    897.6       -0.1       0.1       -0.1    897.6       0.0    878.9

 1458.6-    1477.3        0.0       0.0        0.0   1477.3       0.0   1477.3

 

      Single Point     Single Point

       Soil Area          Dep

             ft.                 t/a

      ------------------------------

       1477.3               0.0

 

 

 

  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

                ft.   loss  elem       ft.             loss elem      ft.       loss   elem

                                                                                                                               t/a                                 t/a                                  t/a

------------------------------------------------------------------------

 

   18.7       0.0  1       654.5       0.0  1      1290.3       0.1  1

   37.4       0.0  1       673.2       0.0  1      1309.0       0.1  1

   56.1       0.0  1       691.9       0.0  1      1327.7       0.0  1

   74.8       0.0  1       710.6       0.0  1      1346.4       0.0  1

   93.5       0.0  1       729.3       0.0  1      1365.1       0.0  1

  112.2       0.0  1       748.0       0.0  1      1383.8       0.0  1

  130.9       0.0  1       766.7       0.0  1      1402.5       0.0  1

  149.6       0.0  1       785.4       0.0  1      1421.2       0.0  1

  168.3       0.0  1       804.1       0.0  1      1439.9       0.0  1

  187.0       0.0  1       822.8       0.0  1      1458.6       0.0  1

  205.7       0.0  1       841.5       0.0  1      1477.3       0.0  1

  224.4       0.0  1       860.2       0.0  1      1496.0       0.0  1

  243.1       0.0  1       878.9       0.0  1      1514.7       0.0  1

  261.8       0.0  1       897.6      -0.1  1      1533.4       0.0  1

  280.5       0.0  1       916.3       0.0  1      1552.1       0.0  1

  299.2       0.0  1       935.0       0.0  1      1570.8       0.1  1

  317.9       0.0  1       953.7       0.0  1      1589.5       0.1  1

  336.6       0.0  1       972.4       0.0  1      1608.2       0.1  1

  355.3       0.0  1       991.1       0.0  1      1626.9       0.1  1

  374.0       0.0  1      1009.8       0.0  1      1645.6       0.1  1

  392.7       0.0  1      1028.5       0.0  1      1664.3       0.1  1

  411.4       0.0  1      1047.2       0.1  1      1683.1       0.1  1

  430.1       0.0  1      1065.9       0.1  1      1701.8       0.1  1

  448.8       0.0  1      1084.6       0.1  1      1720.5       0.1  1

  467.5       0.0  1      1103.3       0.1  1      1739.2       0.1  1

  486.2       0.0  1      1122.0       0.1  1      1757.9       0.1  1

  504.9       0.0  1      1140.7       0.1  1      1776.6       0.1  1

  523.6       0.0  1      1159.4       0.0  1      1795.3       0.1  1

  542.3       0.0  1      1178.1       0.0  1      1814.0       0.1  1

  561.0       0.0  1      1196.8       0.0  1      1832.7       0.1  1

  579.7       0.0  1      1215.5       0.0  1      1851.4       0.1  1

  598.4       0.0  1      1234.2       0.0  1      1870.1       0.1  1

  617.1       0.0  1      1252.9       0.0  1

  635.8       0.0  1      1271.6       0.1  1

 

note:  (+) soil loss - detachment     (-) soil loss - deposition

 

 

 

III. OFF SITE EFFECTS  OFF SITE EFFECTS  OFF SITE EFFECTS

     ----------------  ----------------  ----------------

 

     A.  AVERAGE ANNUAL SEDIMENT LEAVING PROFILE

               2.6 lbs/ft of width

              17.1    lbs (based on profile width of        6.6    ft.)

               0.0    t/a (assuming contributions from       0.3  acres)

 

 

     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     50.0     0.026    0.027

  2     0.010      2.65      0.0    100.0      0.0      0.0     0.170    0.176

  3     0.030      1.80      0.0     77.8     22.2     11.1     0.180    0.187

  4     0.300      1.60     75.3     13.4     11.4      5.7     0.299    0.309

  5     0.200      2.65    100.0      0.0      0.0      0.0     0.325    0.300

-------------------------------------------------------------------------------

 

 

     Average annual SSA enrichment ratio leaving profile =   1.04

 

 

 

 IV.  EROSION OUTPUT SUMMARIES FOR SIMULATION

      ------- ------ --------- --- ----------

 

               1         2          3         4         5         6         7         8         9        10

Year Month    Tot.      Tot.    ---------- Runoff ----------    Total  Interrill   Total    Sediment   Enrich.

             Precip.   Irrig.    Rain   Snowmelt   Irrig.      Detach.  Detach.    Depos.     Yield     Ratio

           --------------------(mm)-------------------------  ---------(kg/m^2)----------    (kg/m)   (m^2/m^2)

--------------------------------------------------------------------------------------------------------------

AVG ANN      416.87      0.00      0.81     20.50      0.00     0.007     0.001    -0.008     3.882     0.794

---------------------------------------------------------------------------------------------------------------

 

 

 1:Total Precipitation depth

 2:Total Irrigation depth

 3:Total runoff from rainfall

 4:Total runoff from snowmelt

 5:Total runoff from irrigation

 6:Total Detachment

 7:Interrill detachment

 8:Total Deposition

 9:Sediment yield

 9:Sediment yield

10:Sediment enrichment ratio

 

Note: Runoff values refer to runoff from the entire hillslope.  Total detachment

      is the average net detachment over all areas on the hillslope having

      net detachment.  Interrill detachment is the weighted (by OFE length)

      average over the entire hillslope.  Total deposition refers to the

      average net deposition over all the areas on the hillslope experiencing

      net deposition.  Irrigation depths are averages over the entire hillslope.