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A non-linear technique based on fractal method for describing gully-head changes associated with land-use in an arid environment in China
Wang, Xiaodan; Zhong, Xianghao; Liu, Shuzhen; Li, Mai-He
Corresponding AuthorWang, Xiaodan
2008
Source PublicationCATENA
ISSN0341-8162
EISSN1872-6887
Volume72Issue:1Pages:106-112
SubtypeArticle
AbstractOnly few studies have focused on quantifying and/or modeling changes in gully-head shape. The present paper proposed a non-linear technique based on fractal method for describing gully-head changes quantitatively, and carried out a case study in the Yuanmou Basin in the Lomachman River Valley, Yunnan Province, southwest China. Seventy-seven gullies under 5 different land-uses were investigated in 1998 and again in 2002. For the study period, the gully-head retreat rate in different land-uses showed a decreasing order BL (bare land)> FL (farmland for only crops)> OC (mixture of orchards and crops)> FG (combination of forest and grass)> FSG (combination of forest, shrubs and grass). Correspondingly, the three proposed fractal characteristics (the fractal curvature P-iota, Delta P-iota,=change in the fractal curvature P-iota, Delta D=change in the fractal dimension D) of the gully-heads followed the same order BL > FL > OC > FG > FSG, also. These findings suggested that the three parameters (P-iota, Delta P-iota, Delta D) proposed can sensitively reflect the gully-head changes associated with land-use, and may be used as feasible parameters for understanding and predicting gully development under land-use change and global change. 0 2007 Elsevier B.V. All rights reserved.
KeywordFractal Curvature Gully Development Gully Head Land Use Morphology
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.catena.2007.04.007
WOS Subject ExtendedGeology ; Agriculture ; Water Resources
Indexed BySCI
WOS KeywordSOIL-EROSION ; MEDITERRANEAN ENVIRONMENTS ; GLOBAL CHANGE ; SEDIMENT ; MODELS ; WATER ; DIMENSIONS ; TILLAGE ; SPAIN
Language英语
Quartile4区
TOP
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000251296300011
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10531
Collection成都山地所知识仓储(2009年以前)
中国科学院水利部成都山地灾害与环境研究所
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Minist Water Conservancy & Power, Chengdu 610041, Peoples R China
3.Swiss Fed Inst Forest Snow & Landscape Res, WSL, CH-8903 Birmensdorf, Switzerland
Recommended Citation
GB/T 7714
Wang, Xiaodan,Zhong, Xianghao,Liu, Shuzhen,et al. A non-linear technique based on fractal method for describing gully-head changes associated with land-use in an arid environment in China[J]. CATENA,2008,72(1):106-112.
APA Wang, Xiaodan,Zhong, Xianghao,Liu, Shuzhen,&Li, Mai-He.(2008).A non-linear technique based on fractal method for describing gully-head changes associated with land-use in an arid environment in China.CATENA,72(1),106-112.
MLA Wang, Xiaodan,et al."A non-linear technique based on fractal method for describing gully-head changes associated with land-use in an arid environment in China".CATENA 72.1(2008):106-112.
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