AUSLEM (AUStralian Land Erodibility Model): A tool for identifying wind erosion hazard in Australia

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Title AUSLEM (AUStralian Land Erodibility Model): A tool for identifying wind erosion hazard in Australia
Author Webb, Nicholas P.; McGowan, Hamish A.; Phinn, Stuart R.; McTainsh, Grant Harvey
Journal Name Geomorphology
Year Published 2006
Place of publication The Neatherlands
Publisher Elsevier
Abstract We present AUSLEM (AUStralian Land Erodibility Model), a land erodibility modelling system that utilizes a rule-set of surficial and climatic thresholds applied through a Geographic Information System (GIS) modelling framework to predict landscape susceptibility to wind erosion. AUSLEM is distinctive in that it quantitatively assesses landscape susceptibility to wind erosion at a 5 × 5 km spatial resolution on a monthly time-step across Australia. The system was implemented for representative wet (1984), dry (1994), and average rainfall (1997) years with corresponding low, high and moderate dust storm day frequencies. Results demonstrate that AUSLEM can identify landscape erodibility, and provide an interpretation of the physical nature and distribution of erodible landscapes in Australia. Further, results offer an assessment of the dynamic tendencies of erodibility in space and time in response to the El Niño Southern Oscillation (ENSO) and seasonal synoptic scale climate variability. A comparative analysis of AUSLEM output with independent national and international wind erosion, atmospheric aerosol and dust event records indicates a high level of model competency.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/wps/find/journaldescription.cws_home/503334/description#description
Alternative URI http://dx.doi.org/10.1016/j.geomorph.2006.01.012
Volume 78
Issue Number 3/4
Page from 179
Page to 200
ISSN 0169-555X
Date Accessioned 2007-03-28
Date Available 2009-10-01T05:55:07Z
Language en_AU
Research Centre Atmospheric Environment Research Centre
Faculty Faculty of Environmental Sciences
Subject PRE2009-Geomorphology; PRE2009-Natural Resource Management
URI http://hdl.handle.net/10072/11315
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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