Morgan, Ed.), chapter 4. Chichester, Great Britain:
Kirkby, M.J. (1980) Modeling water erosion pro-
Wiley and Sons, Ltd., p. 109128.
cesses. In Soil Erosion (M.J. Kirkby and R.P.C.
Foltz, R.B. (1992) Sediment production compari-
Morgan, Ed.), chapter 6. Chichester, Great Britain:
son between the use of normal tire pressure and
Wiley and Sons, p. 183216.
central tire pressure on forest roads. In Proceed-
Knuth, K.V. (1989) Data acquisition: first the FERF
ings, International Mountain Logging and Pacific
then the world. In Proceedings of Symposium: State-
Skyline Symposium, Seattle, Washington, p. 214
of-the-Art of Pavement Response Monitoring Systems
222.
for Roads and Airfields (V. Janoo and R. Eaton, Ed.).
Foltz, R.B. (1993) Sediment processes in wheel
USA Cold Regions Research and Engineering
ruts on unsurfaced forest roads. Ph.D. Disserta-
Laboratory, Special Report 89-23, p. 136138.
tion, University of Idaho, Moscow, Idaho (unpub-
Kok, H., and D.K. McCool (1990) Freeze thaw
lished).
effects on soil strength. In Proceedings, International
Symposium on Frozen Soil Impacts on Agricultural,
Formanek, G.E., D.K. McCool, and R.I. Papendick
Range and Forest Lands (K.R. Cooley, Ed.). USA
strength of a wet silt loam. Transactions of the
Cold Regions Research and Engineering Labora-
American Society of Agricultural Engineers, 27:
tory, Special Report 90-1, p. 7076.
17491752.
Kooistra, M.J., and N.K. Tovey (1994) Effects of
Gatto, L.W. (1995) Soil freezethaw effects on soil
compaction on soil microstructure. In Soil Com-
erodibility and stability. USA Cold Regions Re-
paction in Crop Production (B.D. Soane and C. van
search and Engineering Laboratory, Special Report
Ouwerkerk, Ed.), Developments in Agricultural
95-24.
Engineering 11, chapter 5. Amsterdam: Elsevier, p.
91111.
Gerits, J.J.P., J.L.M.P. de Lima, and T.M.W. van den
Broek (1990) Overland flow and erosion. In Pro-
Koolen, A.J., and H. Kuipers (1983) Agricultural
cess Studies in Hillslope Hydrology (M.G. Anderson
soil mechanics. In Advanced Series in Agricultural
and T.P. Burt, Ed.), chapter 6. Chichester, Great
Sciences, vol. 13. Berlin: Springer-Verlag.
Britain: John Wiley and Sons, p. 173214.
Lal, R. (Ed.) (1994) Soil Erosion Research Methods.
Gupta, S.C., P.P. Sharma, and S.A. DeFranchi (1989)
Delray Beach, Florida: St. Lucie Press [and Soil
Compaction effects on soil structure. Advances in
and Water Conservation Society, Ankeny, Iowa].
Agronomy, 42: 311338.
Lal, R., and W. Elliot (1994) Erodibility and eros-
Hairsine, P.B., and C.W . Rose (1992) Modeling
ivity. In Soil Erosion Research Methods (R. Lal, Ed.).
water erosion due to overland flow using physi-
Delray Beach, Florida: St. Lucie Press [and Water
cal principles, 2. Rill flow. Water Resources Research,
Conservation Society, Ankeny, Iowa], Chapter 8,
28(1): 245250.
p. 181208
Haupt, H.F. (1967) Infiltration, overland flow, and
Larson, W.E., and R.R. Allmaras (1971) Manage-
soil movement on frozen and snow-covered
ment factors and natural forces as related to com-
plots. Water Resources Research, 3(1): 145161.
paction. In Compaction of Agricultural Soils (K.K.
Hillel, D. (1980) Fundamentals of Soil Physics. New
Barnes et al., Ed.). St. Joseph, Missouri: American
York: Academic Press, Inc.
Society of Agricultural Engineers Monograph, p.
Hinckley, B.S., R.M. Iverson, and B. Hallet (1983)
367427.
Accelerated water erosion in off-road vehicle use
Mathier, L., and A.G. Roy (1993) Temporal and
areas. In Environmental Effects of Off-Road Vehicle
spatial variations of runoff and rainwash erosion
Impacts and Management in Arid Regions (R.H.
on an agricultural field. Hydrological Processes, 7:
Webb and H.G. Wilshire, Ed.), chapter 5. New
118.
York: Springer-Verlag.
Meyer, L.D., G.R. Foster, and M.J.M. Romkens
(1975) Source of soil eroded by water from up-
Horton, R., M.D. Ankeny, and R.R. Allmaras
(1994) Effects of compaction on soil hydraulic
land slopes. In Present and Prospective Technology
properties. In Soil Compaction in Crop Production,
for Predicting Sediment Yields and Sources. Agricul-
(B.D. Soane and C. van Ouwerkerk, Ed.), Develop-
tural Research Service Report, ARS-S-40, p. 177
ments in Agricultural Engineering 11, chapter 7.
189.
Amsterdam: Elsevier, p. 141165.
Miller, R.D. (1980) Freezing phenomena in soils.
Iverson, R.M. (1980) Processes of accelerated plu-
In Applications of Soil Physics (D. Hillel, Ed.), chap-
vial erosion on desert hillslopes modified by
ter 11. New York: Academic Press, Inc., p. 254-299.
vehicular traffic. Earth Surface Processes, 4: 369
Misra, R.K., and C.W. Rose (1995) An examina-
388.
tion of the relationship between erodibility para-
30