FINAL OUTPUT(watershed method)
The watershed method take each hillslope in the
subcatchment, determines a representative profile for the hillslope and assigns
one soil and one landuse to thehillslope. It gives the sediment yield value.
REPORT
WEPP
Watershed Simulation for Representative Hillslopes and Channels
2 YEAR AVERAGE ANNUAL
VALUES FOR WATERSHED
------ ---- ------- ------
------ --- ---------
Runoff Subrunoff Soil Sediment Sediment
Volume
Volume Loss Deposition Yield
Hillslopes (m^3) (m^3) (kg) (kg) (kg)
---------- ---------- ---------- ----------
---------- ----------
Hill
1 (23) 162.49 0.17 0.00 0.00 0.00
Hill
2 (22) 3.13 0.15 1.52 0.00 1.52
Hill
3 (33) 59.53 0.26 17.65 0.00 17.65
Hill
4 (32) 0.00 0.11 0.00 0.00 0.00
Hill
5 (43) 856.31 1.34 0.00 0.00 0.00
Hill
6 (41) 0.00 0.27 0.00 0.00 0.00
Hill
7 (42) 83.02 2.02 225.27 0.00 225.27
Hill
8 (53) 335.24 0.30 0.00 0.00 0.00
Hill
9 (52) 0.00 0.35 0.00 0.00 0.00
Hill
10 (63) 1247.11 1.15 0.00 0.00 0.00
Hill
11 (62) 0.00 1.30 0.00 0.00 0.00
Hill
12 (71) 0.00 0.25 0.00 0.00 0.00
Hill
13 (73) 193.36 0.49 0.00 0.00 0.00
Hill
14 (72) 0.00 0.43 0.00 0.00 0.00
Hill
15 (83) 353.24 0.73 0.00 0.00 0.00
Hill
16 (81) 55.67 0.21 0.00 0.00 0.00
Hill
17 (82) 0.00 1.28 0.00 0.00 0.00
Hill
18 (92) 9.57 0.38 6.49 0.00 6.49
Hill
19 (93) 5.45 0.20 2.78 0.00 2.78
Hill
20 (103) 1486.51 1.78 0.00 0.00 0.00
Hill
21 (102) 0.00
1.51 0.00 0.00 0.00
Hill
22 (113) 74.72 0.31 0.00 0.00 0.00
Hill
23 (112) 0.00 0.51 0.00 0.00 0.00
Hill
24 (123) 892.01 1.19 0.00 0.00 0.00
Hill
25 (122) 0.00 0.90 0.00 0.00 0.00
Hill
26 (121) 0.00 0.22 0.00 0.00 0.00
Hill
27 (133) 215.98 0.43
0.00 0.00 0.00
Hill
28 (132) 0.00 0.63 0.00 0.00 0.00
Hill
29 (141) 105.22 0.39 0.00 0.00 0.00
Hill
30 (143) 2735.59 3.84
389.70 0.00 389.72
Hill
31 (142) 0.00 1.93 0.00 0.00 0.00
Hill
32 (153) 255.29 0.31 0.00 0.00 0.00
Hill
33 (152) 5.23 0.28 3.04
0.00 3.04
Hill
34 (161) 0.00 0.25 0.00 0.00 0.00
Hill
35 (163) 39.47 0.24 6.56 0.00 6.56
Hill
36 (162) 5.66 0.25 3.96
0.00 3.96
Hill
37 (173) 1571.49 0.87 0.00 0.00 0.00
Hill
38 (172) 0.00 0.66 0.00 0.00 0.00
Hill
39 (181) 0.00 0.17 0.00 0.00
0.00
Hill
40 (183) 13.43 0.16 2.19 0.00 2.19
Hill
41 (182) 0.00 0.09 0.00 0.00 0.00
Hill
42 (193) 920.79 0.57 0.00 0.00 0.00
Hill
43 (192) 0.00 0.42 0.00 0.00 0.00
Hill
44 (201) 179.88 0.46 0.00 0.00 0.00
Hill
45 (203) 367.80 0.40 0.00 0.00 0.00
Hill
46 (202) 39.01 0.82 134.28 0.00 134.27
Hill
47 (211) 140.78 0.13 0.00 0.00 0.00
Hill
48 (213) 1328.24 1.18 0.00 0.00 0.00
Hill
49 (212) 0.00 0.17 0.00 0.00 0.00
Hill
50 (223) 1060.08 1.66 0.00 0.00 0.00
Hill
51 (222) 0.00
1.46 0.00 0.00 0.00
Hill
52 (231) 774.00 0.61 0.00 0.00 0.00
Hill
53 (233) 1895.95 1.81 859.61 0.00 859.66
Hill
54 (232) 0.00 0.71 0.00 0.00 0.00
Hill
55 (241) 665.41 0.44 0.00 0.00 0.00
Hill
56 (243) 0.00 0.44 0.00 0.00 0.00
Hill
57 (242) 15.07 0.41
11.78 0.00 11.78
Hill
58 (252) 68.51 0.25 0.00 0.00 0.00
Hill
59 (253) 0.00 0.22 0.00 0.00 0.00
Hill
60 (263) 0.00 0.25
0.00 0.00 0.00
Hill
61 (262) 14.84 0.45 9.85 0.00 9.85
Hill
62 (273) 49.11 0.33 0.00 0.00 0.00
Hill
63 (272) 0.00 0.34 0.00
0.00 0.00
Hill
64 (281) 0.00 0.24 0.00 0.00 0.00
Hill
65 (283) 22.87 0.07 0.00 0.00 0.00
Hill
66 (282) 4.53 0.20 3.97
0.00 3.97
Hill
67 (291) 452.96 0.21 0.00 0.00 0.00
Hill
68 (292) 17.44 0.53 13.27 0.00 13.27
Hill
69 (303) 719.85 1.42 0.00 0.00 0.00
Hill
70 (302) 36.05 1.16 20.03 0.00 20.03
Hill
71 (313) 968.91 0.86 0.00 0.00 0.00
Hill
72 (312) 0.00 1.13 0.00 0.00 0.00
Hill
73 (321) 262.58 0.28 0.00 0.00 0.00
Hill
74 (323) 414.33 0.47 0.00 0.00 0.00
Hill
75 (322) 0.00 0.42 0.00 0.00 0.00
Hill
76 (331) 519.96 0.21 0.00 0.00 0.00
Hill
77 (332) 33.16 0.39 18.48 0.00 18.48
Hill
78 (333) 15.93 0.51 17.05 0.00 17.05
Hill
79 (341) 723.60 0.33 0.00 0.00 0.00
Hill
80 (343) 0.00 0.48 0.00 0.00 0.00
Hill
81 (342) 14.77 0.65 26.40 0.00 26.40
Hill
82 (352) 63.26 0.33 0.00 0.00 0.00
Hill
83 (353) 0.00 0.43 0.00 0.00 0.00
Hill
84 (361) 461.19 0.38
0.00 0.00 0.00
Hill
85 (363) 162.80 0.45 0.00 0.00 0.00
Hill
86 (362) 0.00 0.25 0.00 0.00 0.00
Hill
87 (372) 57.35 0.33
8.47 0.00 8.47
Hill
88 (373) 0.00 0.19 0.00 0.00 0.00
Hill
89 (383) 47.43 0.40 0.00 0.00 0.00
Hill
90 (382) 11.12 0.54 8.86
0.00 8.86
Hill
91 (391) 107.45 0.26 0.00 0.00 0.00
Hill
92 (393) 505.68 0.62 0.00 0.00 0.00
Hill
93 (392) 13.83 0.37 7.10
0.00 7.10
Hill
94 (401) 284.63 0.27 0.00 0.00 0.00
Hill
95 (403) 1689.70 1.16 0.00 0.00 0.00
Hill
96 (402) 35.92 1.22 24.77 0.00
24.77
Hill
97 (411) 187.50 0.40 0.00 0.00 0.00
Hill
98 (412) 16.03 0.23 2.56 0.00 2.56
Hill
99 (413) 2.83 0.18 1.99 0.00 1.99
Hill
100 (421) 229.09 0.18 0.00 0.00 0.00
Hill
101 (423) 0.00 0.74 0.00 0.00 0.00
Hill
102 (422) 22.40 0.54 0.00 0.00 0.00
Channels Discharge Sediment Upland Subsuface Flow
and Volume Yield Charge Volume
Impoundments (m^3) (tonne) (m^3) (m^3)
------------ ----------
----------
---------- ----------
Channel
1 (424) 266.4 1.1 251.5 0.0
Channel
2 (414) 204.5 0.2 202.0 0.0
Channel
3 (404) 2018.6 5.1 2010.3 0.0
Channel
4 (394) 629.0 1.0 627.0 0.0
Channel
5 (384) 2700.0 10.0 2706.2 0.0
Channel
6 (374) 2960.2 14.6 2961.8 0.0
Channel
7 (364) 632.6 1.0 624.0 0.0
Channel
8 (354) 3640.3 23.0 3656.0 0.0
Channel
9 (344) 746.6 2.3 738.4 0.0
Channel
10 (334) 569.1 1.3 564.8 0.0
Channel
11 (324) 686.9 1.1 676.9 0.0
Channel
12 (314) 2234.2 9.0 2220.9 0.0
Channel
13 (304) 3737.6 29.2 3736.8 0.0
Channel
14 (294) 465.9 1.1 459.9 0.0
Channel
15 (284) 29.9 0.0 27.4 0.0
Channel
16 (274) 559.7 2.6 544.9 0.0
Channel
17 (264) 4309.0 36.4 4312.1 0.0
Channel
18 (254) 8002.4 61.6 8017.3 0.0
Channel
19 (244) 685.8 1.5 680.5 0.0
Channel
20 (234) 2669.2 9.4 2670.0 0.0
Channel
21 (224) 4365.9 40.7 4415.2 0.0
Channel
22 (214) 1486.5 4.8 1469.0 0.0
Channel
23 (204) 582.5 1.9 586.7 0.0
Channel
24 (194) 2988.2 10.3 2989.8 0.0
Channel
25 (184) 13.6 0.0 11.7 0.0
Channel
26 (174) 4583.4 22.3 4573.3 0.0
Channel
27 (164) 40.4 0.0 41.2 0.0
Channel
28 (154) 4884.0 28.0 4880.7 0.0
Channel
29 (144) 2794.8 13.3 2840.9 0.0
Channel
30 (134) 7864.0 60.8 7894.8 0.0
Channel
31 (124) 917.5 3.2 892.0 0.0
Channel
32 (114) 8842.0 73.3 8856.2 0.0
Channel
33 (104) 14634.2 151.5 14681.3 0.0
Channel
34 (94) 22617.7 225.5 22648.9 0.0
Channel
35 (84) 428.5 1.7 409.0 0.0
Channel
36 (74) 207.9 0.5 193.4
0.0
Channel
37 (64) 1911.5 8.9 1883.6 0.0
Channel
38 (54) 24856.4 260.1 24862.4 0.0
Channel
39 (44) 944.4 3.0 939.4 0.0
Channel
40 (34) 25837.4 270.5 25854.1 0.0
Channel
41 (24) 26254.5 271.8 26269.0 0.0
69 storms produced 437.45 mm. of rainfall on an AVERAGE ANNUAL
basis
5 events produced 4.46 mm. of runoff
passing through the watershed outlet on an
AVERAGE ANNUAL basis
Average Annual Delivery From Channel Outlet:
------- ------ -------- ---- ------- ------
Total
contributing area to outlet
= 588.09 ha
Avg.
Ann. Precipitation volume in contributing area = 2572589.
m^3/yr
Avg.
Ann. irrigation volume in contributing area
= 0. m^3/yr
Avg.
Ann. water discharge from outlet
= 26254. m^3/yr
Avg.
Ann. sediment discharge from outlet
= 271.8
tonnes/yr
Avg.
Ann. Sed. delivery per unit area of watershed
= 0.5 T/ha/yr
Sediment
Delivery Ratio for Watershed
= 0.971
Sediment
Particle Information Leaving Channel:
-----------------------------------------------------------------------
Particle
Composition Fraction
Class Diameter
Specific
------------------------
In Flow
(mm)
Gravity % Sand % Silt
% Clay % O.M. Exiting
-------------------------------------------------------------------------------
1
0.002 2.60 0.0
0.0 100.0 50.0
0.026
2
0.010 2.65 0.0
100.0 0.0 0.0
0.171
3
0.030 1.80 0.0
77.8 22.2 11.1
0.181
4
0.300 1.60 75.3
13.4 11.4 5.7
0.301
5
0.200 2.65 100.0
0.0 0.0 0.0
0.320
Distribution
of Primary Particles and
Organic
Matter in the Eroded Sediment:
-----------------------------------------
type fraction
---- --------
clay 0.101
silt 0.353
sand 0.546
organic matter 0.050
-----------------------------------------
Index
of specific surface = 49.74 m**2/g of total sediment
Enrichment
ratio of specific surface = 1.01
WATERSHED
OUTPUT: DISCHARGE FROM WATERSHED OUTLET
(Results
listed for Runoff Volume > 0.005m^3)
Day Precip. Runoff
Peak Sediment
Month
Depth Volume Runoff
Yield
Year
(mm) (m^3) (m^3/s) (kg)
-------------------------------------------------------
6
8 1 13.7 0.02 0.00001 0.0
11 8
1 37.4
99.98 0.02425 69.6
27
11 1 0.0
130.55 0.03107 246.2
21
2 2 0.0
829.56 0.16404 13355.9
24
2
2 0.0
66.82 0.01638 42.9
2
3 2 0.0
35761.14 5.42489 353045.0
3 3
2 0.0
13954.52 2.26194 156451.1
15
3 2 28.4 609.33 0.12314 6362.3
13 9
2 13.7 0.02 0.00001 0.0
8 11
2 33.3
538.41 0.10976 6128.6
28 11
2 0.0
518.64 0.10601 7859.7