FLOOD09931

• County: Statewide
• Community: Urbanizing Areas of Colorado
• Basin: Statewide
• Title: A Guide for Erosion & Sediment Control in Urbanizing Areas of Colorado
• Date: 1/1/1973
• Prepared For: State of Colorado
• Prepared By: USDA Soil Conservation Service
• Floodplain - Doc Type: Educational/Technical/Reference Information

TABLE 3 (E) SOIL LOSS FROM WIND EROSION IN TONS PER ACRE PER YARD
WEG 1
C = 50
SURFACE - K "" 1. (Smooth Surface) 1 = 220
(L) (V) - FLAT SMALL GRAIN RESIDUE IN POUNDS PER ACRE
UNSHELTERED
DISTANCE 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2401l" 2600
IN FEET
3000 110.0 100.8 86.9 74.5 58.8 40.6 28.1 18.6 11.4 7.4 4.8 2.6 1.4 0.8
2000 110.0 100.8 86.9 74.5 58.8 40.6 28.1 18.6 11.4 7.4 4.8 2.6 1.4 0.8
1000 110.0 lOO.H Hb.Y /4.5 5H.H 40.6 Zl::l.l Its.a 11.4 1.4 4.H L.tI 1.4 U.8
800 110.0 100.8 86.9 74.5 58.8 40.6 28.1 18.6 11.4 7.4 4.8 2.6 1.4 0.8
600 107.5 98;4 84.7 72.5 57.1 39.2 27.0 17.8 10.9 '1.0 4.5 2.4 1.3 0.7
400 104.9 96.0 82.5 70.5 55.3 37.9 25.9 17.0 10.4 6.6 4.2 2.3 1.2 0.7
300 101.8 93.1 79.9 68.1 53.3 36.3 24.7 16.1 9.7 6.2 3.9 2.1 1.1 0.6
200 95.2 86.8 74.2 62.9 48.9 32.9 22.0 14.2 8.5 5.3 3.3 1.7 0.9
150 88.9 81.0 68.9 S8.1 44.8 29.9 19.7 12.5 7.4 4.5 2.8 1.5 0.7
100 82.8 75.3 63.8 53.5 41.0 27.0 17.5 11.0 6.4 3.9 2.4 1.2 0.6
80 77 .3 70.1 59.2 49.4 37.5 24.4 15.6 9.6 5.5 3.3 2.0 1.0
60 69.0 62.4 52.4 43.3 32;5 20.8 12.9 7.8 4,4 2.5 1.5 0.7
SURFACE - K = 1. 0 (Ridged Surface)
3000 55.0 49.5 41.0 33.3 24.4 15.0 8.9 5.1 2.7 1.5 0.9 0.2
2000 53.9 48.4 40.1 32.5 23.7 14.6 8.6 4.9 2.6 1.5 0;8 0.2
1000 49.5 44.3 36.5 29.4 21.3 12.9 7.4 4.2 2.2 1.2 0.4
800 47.7 42.7 35.1 28.2 20.3 12.2 7.0 3.9 2.1 1.1 0.4
600 44.1 39.4 32.2 25.7 18.4 10.9 6.2 3.4 1.8 0.9 0.3
400 39.9 35.5 28.9 22.9 16.2 9.5 5.2 2.8 1.4 0.7 0.3
300 36.8 32.7 26.5 20.8 14.6 8.4 4.6 2.4 1.2 0.4
200 31.8 28.1 22.6 17.6 12.1 6.9 3.6 1.9 0.9 0.3
150 27.7 24.4 19.5 15.0 10.2 5.6 2.9 1.5 0.5
100 23.9 21.0 16.6 12.7 8.5 4.6 2.3 1.1 0.4
80 21.6 18.9 14.9 11.3 7.4 4.0 1.9 0.9 0.4
60 18.0 15.7 12.2 9.1 5.9 3.1 1.4 0.5
WEG2
C = 50
SURFACE - K = 1. (Smooth Surface) I =134
(V)-FLAT SMALL GRAIN RESIDUE IN POUNDS PER ACRE UEG=2
(L)
UNSHELTERED
DISTANCE 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600
IN FEET
3000 67.0 60.6 50.8 41.9 31.3 19.9 12.3 7.4 4.1 2.4 1.4 0.7
2000 67.0 60.6 50.8 41.9 31.3 19.9 12.3 7.4 4.1 2.4 1.4 0.7
1000 63.1 56.9 47.6 39.1 29.0 18.3 11.1 6.6 3.6 2.1 1.2 0.3
800 62.0 55.9 46.7 38.3 28.4 17 .8 10.8 6.4 3.5 2.0 1.2 0.3
600 58.2 52.4 43.6 35.5 26.2 16.3 9.7 5.7 3.1 1.7 1.0 0.2
400 54.3 48.7 40.4 32.8 23.9 14.7 8.7 5.0 2.7 1.5 0.8 0.2
300 51.2 45.9 37.9 30.6 22.2 13.5 7.9 4.5 2.4 1.3 0.7 0.2
200 45.3 40.5 33.2 26.6 19.1 11.4 6.4 3.6 1.9 1.0 0.4
150 40.2 35.8 29.2 23.1 16.3 9.6 5.3 2.9 1.5 0.8 0.3
100 36.0 32.0 25.9 20.3 14.2 8.2 4.4 2.3 1.2 0.4
80 32.8 29.1 23.4 18.3 12.6 7.2 3.8 2.0 1.0 0.3
60 27.8 24.5 19.6 15.1 10.3 5.7 2.9 1.5 0.5
SURFACE - K = .5 (Ridged Surface)
3000 31.5 27.9 22.4 17.5 12.0 6.8 3.5 1.8 0.9 0.3
2000 30.2 26.7 21.4 16.6 11.4 6.4 3.3 1.7 0.8 0.3
1000 25.2 22.2 17.6 13.5 9.0 4.9 2.5 1.2 0.4
800 24.2 21.3 16.9 12.9 8.6 4.7 2.3 1.1 0.4
600 22.4 19.6 15.5 11. 7 7.8 4.2 2.0 1.0 0.4
400 19.7 17.3 13.5 10.2 6.6 3.5 1.7 0.6
300 17.6 15.3 11.9 8.9 5.7 3.0 1.4 0.5
200 14.1 12.3 9.4 6.9 4.4 2.2 1.0 0.4
150 12.0 10.3 7.9 5.7 3.5 1.7 0.6
100 9.8 8.4 6.3 4.5 2.8 1.3 0.5
80 8.0 6.9 5.1 3.6 2.1 0.8
60 5.3 4.5 3.3 2.3 1.3 0.5
36