|
|
LS Table
The
values of LS for croplands can be found from the following table. This
table gives LS values for slopes from 0.2% to 60% and slope length from
less than 3 ft. to 1,000 ft.
|
Values
for Topographic Factor, LS, for Moderate Ratio of Rill to Interrill
Erosion 1/
|
|
Horizontal
Slope Length (ft.)
|
|
Slope
(%)
|
<3
|
6
|
9
|
12
|
15
|
25
|
50
|
75
|
100
|
150
|
200
|
250
|
300
|
400
|
600
|
800
|
1,000
|
|
0.2
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.06
|
0.06
|
0.06
|
|
0.5
|
0.07
|
0.07
|
0.07
|
0.07
|
0.07
|
0.08
|
0.08
|
0.08
|
0.09
|
0.09
|
0.09
|
0.09
|
0.09
|
0.10
|
0.10
|
0.10
|
0.10
|
|
1.0
|
0.11
|
0.11
|
0.11
|
0.11
|
0.11
|
0.12
|
0.13
|
0.14
|
0.14
|
0.15
|
0.16
|
0.17
|
0.17
|
0.18
|
0.19
|
0.20
|
0.20
|
|
2.0
|
0.17
|
0.17
|
0.17
|
0.17
|
0.17
|
0.19
|
0.22
|
0.25
|
0.27
|
0.29
|
0.31
|
0.33
|
0.35
|
0.37
|
0.41
|
0.44
|
0.47
|
|
3.0
|
0.22
|
0.22
|
0.22
|
0.22
|
0.22
|
0.25
|
0.32
|
0.36
|
0.39
|
0.44
|
0.48
|
0.52
|
0.55
|
0.60
|
0.68
|
0.75
|
0.80
|
|
4.0
|
0.26
|
0.26
|
0.26
|
0.26
|
0.26
|
0.31
|
0.40
|
0.47
|
0.52
|
0.60
|
0.67
|
0.72
|
0.77
|
0.86
|
0.99
|
1.10
|
1.19
|
|
5.0
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.37
|
0.49
|
0.58
|
0.65
|
0.76
|
0.85
|
0.93
|
1.01
|
1.13
|
1.33
|
1.49
|
1.63
|
|
6.0
|
0.34
|
0.34
|
0.34
|
0.34
|
0.34
|
0.43
|
0.58
|
0.69
|
0.78
|
0.93
|
1.05
|
1.16
|
1.25
|
1.42
|
1.69
|
1.91
|
2.11
|
|
8.0
|
0.42
|
0.42
|
0.42
|
0.42
|
0.42
|
0.53
|
0.74
|
0.91
|
1.04
|
1.26
|
1.45
|
1.62
|
1.77
|
2.03
|
2.47
|
2.83
|
3.15
|
|
10.0
|
0.46
|
0.48
|
0.50
|
0.51
|
0.52
|
0.67
|
0.97
|
1.19
|
1.38
|
1.71
|
1.98
|
2.22
|
2.44
|
2.84
|
3.50
|
4.06
|
4.56
|
|
12.0
|
0.47
|
0.53
|
0.58
|
0.61
|
0.64
|
0.84
|
1.23
|
1.53
|
1.79
|
2.23
|
2.61
|
2.95
|
3.26
|
3.81
|
4.75
|
5.56
|
6.28
|
|
14.0
|
0.48
|
0.58
|
0.65
|
0.70
|
0.75
|
1.00
|
1.48
|
1.86
|
2.19
|
2.76
|
|
