Rose, C. W. and Yu, B. and Misra, R. K. and Coughlan, K. and Fentie, B. (2011) Use of GUEST technology to parameterize a physically-based model for assessing soil erodibility and evaluating conservation practices in tropical steeplands. In: Morgan, R. P. C. and Nearing, M. A., (eds.) Handbook of erosion modelling. Wiley-Blackwell Publishing Ltd., Chichester, West Sussex. UK, pp. 195-222. ISBN 978-1-4051-9010-7
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A general motivation that led to the development of GUEST was to seek a more physically based soil erodibility measure than that provided by the K factor in the USLE. This motivation was strengthened by the finding that use of the USLE methodology in the extensive wheatgrowing belt in Australia, where annual soil loss is very variable, required several decades of experimentation in order to determine the K factor with useful accuracy. This made the methodology inappropriate in such contexts (Edwards, 1987). Furthermore, the technique used to determine soil loss in establishing the USLE, thought to be suspect, was later shown to lead to serious underestimation of soil loss, especially in well structured soils (Ciesiolka et al., 2006).
|Item Type:||Book Chapter (Commonwealth Reporting Category B)|
|Additional Information:||Chpater 11. Permanent restricted access to published version due to publisher copyright restrictions. Print copy held in the USQ Library at call no. 631.450113 Han.|
|Uncontrolled Keywords:||GUEST; soil erosion; measurement|
|Fields of Research (FOR2008):||05 Environmental Sciences > 0503 Soil Sciences > 050305 Soil Physics|
07 Agricultural and Veterinary Sciences > 0799 Other Agricultural and Veterinary Sciences > 079901 Agricultural Hydrology (Drainage, Flooding, Irrigation, Quality, etc.)
09 Engineering > 0999 Other Engineering > 099901 Agricultural Engineering
|Socio-Economic Objective (SEO2008):||D Environment > 96 Environment > 9610 Natural Hazards > 961003 Natural Hazards in Farmland, Arable Cropland and Permanent Cropland Environments|
|Deposited On:||16 Feb 2011 17:11|
|Last Modified:||17 May 2012 12:29|
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