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Forests and Water: A State of the Art Review for Colorado
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Forests and Water: A State of the Art Review for Colorado
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Year
2003
Title
Forests and Water: A State-of-the-Art Review for Colorado
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Colorado State University
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Colorado State University 2003
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Table 3. 1. Published road surface erosion rates in the original units and converted to kilograms per square meter per <br />year. One kilogram per square meter is approximately 4.5 tons per acre. <br />Reference <br />Location <br />Traffic, slope <br />Erosion Rate <br />Reported <br />Sed. Product. <br />(kg nr' yr) <br />Road Tread <br />Hoover (1945) <br />North Carolina <br />Skid trail, 30% <br />339 m3/ha <br />203 <br />Lieberman and Hoover (1948) <br />North Carolina <br />Access road <br />0.4 m3 /m <br />114 <br />Hoover (1952) <br />North Carolina <br />Access road <br />4740 m3/ha yr <br />711 <br />Weitzman and Trimble (1952) <br />West Virginia <br />Skid road <br />0.048 m3 /m <br />0.85 m3 /m <br />24 <br />43 <br />Megahan and Kidd (1972) <br />Idaho <br />Variable use, slopes <br />51.0 t/mi'- yr <br />7.3 <br />Megahan (1975) <br />Idaho <br />20 t/ha yr <br />2.0 <br />Wald (1975) <br />Washington <br />Moderate traffic, 6.4% <br />Low traffic, 3.0% <br />44.2 t/mile yr <br />3.4 t/mile yr <br />6.6 <br />0.48 <br />Dissmeyer (1976) <br />Southeastern U.S. <br />8 -120 t/ha yr <br />0.8 -12 <br />Simons et al. (1978) <br />North Carolina <br />37 t/ha yr <br />3.7 <br />Buckhouse and Gaither (1982) <br />Oregon <br />0 -7 t/ha yr <br />0.0 -0.7 <br />Reid and Dunne (1984) <br />Washington <br />Heavy traffic, 10% <br />Moderate traffic, 10% <br />Light traffic, 10% <br />Abandoned, 10% <br />500 tonnes/km yr <br />42 tonnes/km yr <br />3.8 tonnes/km yr <br />0.51 tonnes/km yr <br />100 <br />8.5 <br />0.77 <br />0.10 <br />Swift (1984) <br />North Carolina <br />Variable use, 5 -7% <br />0.01 -1.77 t/ac mo <br />0.03 -5.2 <br />Bilby (1985) <br />Washington <br />Mostly high use, 1% <br />0.0052 t/m'- yr <br />5.2 <br />Vincent (1979) <br />Idaho <br />Light use, 6.3- 13.4% <br />9.3 -31.0 t/ac yr <br />2.3 -7.6 <br />Fahey and Coker (1989) <br />New Zealand <br />Light traffic, 4% <br />1.6 -11 <br />Froehlich (199 1) <br />Poland <br />Variable slopes <br />0.013 m' /m yr <br />9.8 <br />Grayson et al. (1993) <br />Australia <br />Low -high use, 12 -18% <br />50 -90 t/ha yr <br />5.0 -9.0 <br />MacDonald and Ramos - Scharron <br />(2000) <br />St. John, USVI <br />Heavy traffic, 12.5% <br />Light traffic, 20.9% <br />Light traffic, 8.3% <br />Light traffic, 4.3% <br />28 <br />24 <br />3.8 <br />4.3 <br />MacDonald et al. (2001) <br />St. John, USVI <br />Light traffic, 7 -18% (plots) <br />Light -mod traffic, 0.7 -14% <br />(road segments) <br />0.08 -2.7 <br />0.046 -7.4 <br />Cutslopes <br />Diseker and Richardson (1962) <br />Georgia <br />Unveg., NW facing <br />Unveg., SE facing <br />230 t/ha 2yr <br />102 t/ha 2yr <br />12 <br />5.1 <br />Wilson (1963) <br />Oregon <br />6 -7 yr old cutslopes <br />new cutslopes <br />153 t/ha yr <br />370 t/ha yr <br />15 <br />37 <br />Dymess (1970, 1975) <br />Oregon <br />5 yr old cutslopes <br />1 yr old cutslopes <br />0.5 cm/yr <br />0.7 cm/yr <br />7.5 <br />11 <br />Megahan (1980) <br />Idaho <br />45 yr old cutslopes, soil <br />45 yr old cutslopes, granite <br />0.01 m3 /m2 yr <br />0.011 m3 /m'- yr <br />15 <br />17 <br />25 <br />
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