Copy of RUSLE_calc

7/29/2019 Copy of RUSLE_calc

http://slidepdf.com/reader/full/copy-of-ruslecalc 1/9

Inputs (Required)

County Olmsted

Assigned Soil Erodability Factor (K) 0.25

Land Use Cropped Agricultural Land

Percent Slope (ps) 2 %

Slope Length (l) (feet) 15 Feet

Cover & Management Factor (C) 0.25

Support Practice Factor (P) 0.25

Calculated Values

Rainfall & Runoff Factor (R) 150

Corrected Soil Erodability Factor (K) 0.23

Slope Length & Steepness (LS) 0.17

Result

Predicted Annual Soil Loss 0.37 Tons/Acre/Year

RUSLE Calculator



County Name

CNTY

FIPS EI 10

R

Fact

C Fact

Zone

K

Adjust

Aitkin 1 60 90 86 E 1

Anoka 3 60 110 100 B/C 0.9361

Becker 5 60 80 86 E 1

Beltrami 7 50 75 86 B 1

Benton 9 60 95 86 E 1Big Stone 11 80 90 86 E 1

Blue Earth 13 80 120 100 B/C 0.9361

Brown 15 80 115 100 B/C 0.9361

Carlton 17 60 95 86 E 1

Carver 19 70 110 100 B/C 0.9361

Cass 21 50 85 86 E 1

Chippewa 23 80 95 100 B/C 0.9361

Chisago 25 70 110 100 B/C 0.9361

Clay 27 70 75 86 E 1

Clearwater 29 50 75 86 B 1

Cook 31 50 90 86 E 1

Cottonwood 33 80 120 100 B/C 0.9361Crow Wing 35 50 90 86 E 1

Dakota 37 80 125 100 B/C 0.9361

Dodge 39 90 140 100 B/C 0.9361

Douglas 41 70 90 86 E 1

Faribault 43 80 135 100 B/C 0.9361

Fillmore 45 110 155 100 B/C 0.9361

Freeborn 47 80 140 100 B/C 0.9361

Goodhue 49 90 140 100 B/C 0.9361

Grant 51 80 85 86 E 1

Hennepin 53 70 110 100 B/C 0.9361

Houston 55 120 160 100 B/C 0.9361

Hubbard 57 50 85 86 E 1

Isanti 59 60 100 100 B/C 0.9361

Itasca 61 50 85 86 E 1

Jackson 63 80 125 100 B/C 0.9361

Kanabec 65 60 100 86 E 1

Kandiyohi 67 70 95 100 B/C 0.9361

Kittson 69 40 65 86 B 1

Koochiching 71 40 75 86 B 1

Lac Qui Parle 73 80 90 86 E 1

Lake 75 50 90 86 E 1

Lake of the Woods 77 40 70 86 B 1

Le Sueur 79 70 120 100 B/C 0.9361

Lincoln 81 80 105 100 B/C 0.9361

Lyon 83 80 105 100 B/C 0.9361McLeod 85 70 105 100 B/C 0.9361

Mahnomen 87 60 75 86 E 1

Marshall 89 50 65 86 B 1

Martin 91 80 130 100 B/C 0.9361

Meeker 93 70 95 100 B/C 0.9361

Mille Lacs 95 60 95 86 E 1

Morrison 97 60 90 86 E 1

Mower 99 100 150 100 B/C 0.9361



Murray 101 80 115 100 B/C 0.9361

Nicollet 103 70 115 100 B/C 0.9361

Nobles 105 80 120 100 B/C 0.9361

Norman 107 60 70 86 E 1

Olmsted 109 100 150 100 B/C 0.9361

Otter Tail 111 70 85 86 E 1

Pennington 113 50 65 86 B 1Pine 115 60 100 86 E 1

Pipestone 117 80 110 100 B/C 0.9361

Polk (East) 119 50 70 86 B 1

Polk (West) 119 50 65 86 B 1

Pope 121 70 90 86 E 1

Ramsey 123 70 115 100 B/C 0.9361

Red Lake 125 50 65 86 B 1

Redwood 127 80 110 100 B/C 0.9361

Renville 129 80 105 100 B/C 0.9361

Rice 131 80 130 100 B/C 0.9361

Rock 133 80 115 100 B/C 0.9361

Roseau 135 40 65 86 B 1St. Louis 137 50 90 86 E 1

Scott 139 70 120 100 B/C 0.9361

Sherburne 141 60 95 100 B/C 0.9361

Sibley 143 70 110 100 B/C 0.9361

Stearns 145 60 90 86 E 1

Steele 147 80 135 100 B/C 0.9361

Stevens 149 80 90 86 E 1

Swift 151 80 90 86 E 1

Todd 153 60 90 86 E 1

Traverse 155 80 85 86 E 1

Wabasha 157 100 150 100 B/C 0.9361

Wadena 159 60 85 86 E 1

Waseca 161 80 130 100 B/C 0.9361

Washington 163 80 120 100 B/C 0.9361

Watonwan 165 80 120 100 B/C 0.9361

Wilkin 167 80 80 86 E 1

Winona 169 110 155 100 B/C 0.9361

Wright 171 60 100 100 B/C 0.9361

Yellow Medicine 173 80 95 100 B/C 0.9361



ps (deg) (rad) SIN /0.0896 3sin.8

+ .56 Factor m Land Use Factor

2.0 1.1458 0.0200 0.2232 0.6912 0.3229 1.0000 0.3229 0.2441 Pasture & Rangeland 0.5

λ Cropped Agricultural Land 1

15.0 1 L S3 S15 S LS Construction & Highly Disturbed 2

λ - ps category

126382721.xls.ms_office



ps (deg) (rad) SIN /0.0896 3sin.

+ .56 Factor m

2.0 1.1458 0.0200 0.2232 0.6912 0.3229 1.0000 0.3229 0.2441

λ

15.0 1 L S3 S15 S LS

λ - ps category




LS Calculator for Cropped Agricultural Land (Table 2)

%

slope

slope

(degrees) slope (rad)

ps SIN /0.0896 3sin.8

+ .56 m L S3 S15 S LS L S

0.2 0.11459141 0.002 0.022321384 0.580794312 0.038432511 0.037010119 0.94 0.05 0.05 1.01 0.0

0.5 0.28647651 0.00499996 0.055802874 0.603280564 0.092499041 0.084667389 0.88 0.08 0.07 1.03 0.0

1.0 0.5729387 0.00999967 0.111601563 0.635353579 0.175652686 0.149408655 0.79 0.14 0.11 1.05 0.12.0 1.14576284 0.01999733 0.223169656 0.691182462 0.322880959 0.244074085 0.68 0.25 0.17 1.08 0.2

3.0 1.718358 0.029991 0.334670861 0.741410317 0.451397631 0.311008935 0.61 0.35 0.22 1.10 0.3

ps<9 4.0 2.29061004 0.03997869 0.446071857 0.788292436 0.565871035 0.361377803 0.57 0.46 0.26 1.12 0.4

5.0 2.86240523 0.0499584 0.557339475 0.832812023 0.669226019 0.400919954 0.53 0.57 0.30 1.14 0.5

6.0 3.43363036 0.05992816 0.668440745 0.875513535 0.763484193 0.432940764 0.51 0.68 0.34 1.15 0.6

7.0 4.00417294 0.069886 0.779342943 0.916738965 0.850125251 0.459496053 0.48 0.78 0.38 1.16 0.7

8.0 4.57392126 0.07982999 0.890013642 0.95672082 0.930275189 0.481939153 0.47 0.89 0.42 1.17 0.8

10.0 5.71059314 0.09966865 1.110532578 1.033579293 1.074453199 0.517945259 0.44 1.03 1.17 0.48 1.18 1.1

12.0 6.84277341 0.11942893 1.329745766 1.106993991 1.201222208 0.545706928 0.42 1.11 1.50 0.52 1.19 1.5

14.0 7.96961039 0.13909594 1.547408979 1.17752103 1.314124283 0.567871092 0.41 1.18 1.83 0.55 1.20 1.8

16.0 9.09027692 0.15865526 1.763286843 1.245529323 1.415692759 0.586040072 0.40 1.25 2.15 0.59 1.21 2.1

20.0 11.3099325 0.19739556 2.188796151 1.374951785 1.591907567 0.614183772 0.38 1.37 2.79 0.65 1.22 2.7

ps>9 25.0 14.0362435 0.24497866 2.706870815 1.525921174 1.773925719 0.63950008 0.36 1.53 3.57 0.73 1.23 3.5

30.0 16.6992442 0.29145679 3.207007651 1.666235673 1.924702311 0.65808486 0.35 1.67 4.33 0.80 1.23 4.3

40.0 21.8014095 0.38050638 4.144985227 1.918269823 2.160793636 0.683623762 0.34 1.92 5.74 0.92 1.24 5.7

50.0 26.5650512 0.46364761 4.991223164 2.135916683 2.336806115 0.700312225 0.33 2.14 7.01 1.03 1.25 7.0

60.0 30.9637565 0.5404195 5.742140128 2.322895997 2.471974696 0.711979468 0.33 2.32 8.14 1.13 1.26 8.1

(enter slope

length in

gray box)




LS Calculator for Cropped Agricultural Land (Table 2)

%

slope

slope

(degrees) slope (rad)

ps SIN /0.0896 3sin.8

+ .56 m

0.2 0.11459141 0.002 0.022321384 0.580794312 0.038432511 0.037010119

0.5 0.28647651 0.00499996 0.055802874 0.603280564 0.092499041 0.084667389

1.0 0.5729387 0.00999967 0.111601563 0.635353579 0.175652686 0.1494086552.0 1.14576284 0.01999733 0.223169656 0.691182462 0.322880959 0.244074085

3.0 1.718358 0.029991 0.334670861 0.741410317 0.451397631 0.311008935

ps<9 4.0 2.29061004 0.03997869 0.446071857 0.788292436 0.565871035 0.361377803

5.0 2.86240523 0.0499584 0.557339475 0.832812023 0.669226019 0.400919954

6.0 3.43363036 0.05992816 0.668440745 0.875513535 0.763484193 0.432940764

7.0 4.00417294 0.069886 0.779342943 0.916738965 0.850125251 0.459496053

8.0 4.57392126 0.07982999 0.890013642 0.95672082 0.930275189 0.481939153

10.0 5.71059314 0.09966865 1.110532578 1.033579293 1.074453199 0.517945259

12.0 6.84277341 0.11942893 1.329745766 1.106993991 1.201222208 0.545706928

14.0 7.96961039 0.13909594 1.547408979 1.17752103 1.314124283 0.567871092

16.0 9.09027692 0.15865526 1.763286843 1.245529323 1.415692759 0.586040072

20.0 11.3099325 0.19739556 2.188796151 1.374951785 1.591907567 0.614183772

ps>9 25.0 14.0362435 0.24497866 2.706870815 1.525921174 1.773925719 0.63950008

30.0 16.6992442 0.29145679 3.207007651 1.666235673 1.924702311 0.65808486

40.0 21.8014095 0.38050638 4.144985227 1.918269823 2.160793636 0.683623762

50.0 26.5650512 0.46364761 4.991223164 2.135916683 2.336806115 0.700312225

60.0 30.9637565 0.5404195 5.742140128 2.322895997 2.471974696 0.711979468

slope length

box)

126382721.xls.ms_office P



Assigned

K

RUSLE

Adjusted

K

2 0.02 2 0.02

5 0.05 5 0.05

10 0.1 10 0.1

15 0.15 15 0.1517 0.17 15 0.15

20 0.2 17 0.17

24 0.24 22 0.22

28 0.28 26 0.26

32 0.32 30 0.3

37 0.37 35 0.35

43 0.43 40 0.4

49 0.49 46 0.46

55 0.55 52 0.52

64 0.64 60 0.6

Adjusted K = 0.9R2 =

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0 0.1 0.2 0.3

R U S L E

A d

j u s t e d

" K "

Assigne

RUSLE K-Factor Adjustment



361[Assigned K].9985

0.4 0.5 0.6 0.7

"K"

for Zone 100 B/C

Documents

Copy of RUSLE_calc