Arid
DOI10.1016/j.jaridenv.2009.01.014
Visual assessment of the Australian Land Erodibility Model
Webb, N. P.1,2; Phinn, S. R.1; McGowan, H. A.
通讯作者Webb, N. P.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
出版年2009
卷号73期号:6-7页码:678-682
英文摘要

There is a growing requirement for techniques to assess land susceptibility to wind erosion, i.e. land erodibility, over large geographic areas (>10(4) km(2)). This requirement stems from a lack of wind erosion research between the field (10(1) km(2)) and regional scales, and a need to evaluate the performance of spatially explicit wind erosion models across these scales. This paper addresses this issue by presenting a methodology for monitoring land erodibility at the landscape scale (10(3) km(2)). First, we define criteria suitable for evaluating land erodibility based on empirical relationships between soil texture, vegetation cover, geomorphology, and wind erosion. The criteria were used to visually assess land erodibility over long distances (10(3) km) using vehicle-based transects run through the rangelands of western Queensland, Australia. Application of the data for testing the performance of a spatially explicit land erodibility model (AUSLEM) is then demonstrated by comparing the visual assessments of land erodibility with the model output. The model performed best in the west of the study area in the open rangelands. in regions with higher woody shrub and tree cover the model performance decreases. This highlights the need for research to better parameterise controls on erodibility in semi-arid landscapes consisting of forested and rangeland mosaics. (C) 2009 Elsevier Ltd. All rights reserved.


英文关键词Aeolian Assessment Australia Degradation Erosion Rangelands
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000266298900013
WOS关键词WIND EROSION
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构Commonwealth Scientific and Industrial Research Organisation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/161356
作者单位1.Univ Queensland, Ctr Remote Sensing & Spatial Informat Sci, Sch Geog Planning & Architecture, Brisbane, Qld 4072, Australia;
2.Desert Knowledge Cooperat Res Ctr, Alice Springs, NT, Australia
推荐引用方式
GB/T 7714
Webb, N. P.,Phinn, S. R.,McGowan, H. A.. Visual assessment of the Australian Land Erodibility Model[J]. Commonwealth Scientific and Industrial Research Organisation,2009,73(6-7):678-682.
APA Webb, N. P.,Phinn, S. R.,&McGowan, H. A..(2009).Visual assessment of the Australian Land Erodibility Model.JOURNAL OF ARID ENVIRONMENTS,73(6-7),678-682.
MLA Webb, N. P.,et al."Visual assessment of the Australian Land Erodibility Model".JOURNAL OF ARID ENVIRONMENTS 73.6-7(2009):678-682.
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