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DOI	10.1016/j.ejrs.2010.03.001
	A dynamic simulation model of desertification in Egypt
	Rasmy, M.; Gad, A.; Abdelsalam, H.; Siwailam, M.
通讯作者	Siwailam, M
来源期刊	EGYPTIAN JOURNAL OF REMOTE SENSING AND SPACE SCIENCES
ISSN	1110-9823
EISSN	2090-2476
出版年	2010
卷号	13 期号:2 页码:101-111
英文摘要	This paper presents the development of a system dynamic model to simulate and analyze potential future state of desertification in Egypt. The presented model enhances the MEDALUS methodology developed by European Commission. It illustrates the concept of desertification through different equations and simulation output graphs. It is supplemented with a causal loop diagram showing the feedback between different variables. For the purpose of testing and measuring the effect of different policy scenarios on desertification in Egypt, a simulation model using stock and flow diagram was designed. Multi- temporal data were used to figure out the dynamic changes in desertification sensitivity related to the dynamic nature of desert environment. The model was applied to Al Bihira governorate in western Nile Delta, Egypt, as the study area, and the results showed that the urban expansion, salinization, and not applying the policy enforcement are considered the most variables provoking the desertification. (C) 2011 National Authority for Remote Sensing and Space Sciences. Production and hosting by Elsevier B.V. All rights reserved.
英文关键词	Desertification System dynamic Simulation Causal loop diagram Stock and flow diagram
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	ESCI
WOS记录号	WOS:000216577500002
WOS类目	Environmental Sciences ; Remote Sensing
WOS研究方向	Environmental Sciences & Ecology ; Remote Sensing
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/329470
作者单位	[Rasmy, M.; Abdelsalam, H.] Cairo Univ, Fac Comp & Informat, Dept Decis Support, Giza, Egypt; [Gad, A.; Siwailam, M.] Natl Author Remote Sensing & Space Sci NARSS, POB 1564, Cairo, Egypt
推荐引用方式 GB/T 7714	Rasmy, M.,Gad, A.,Abdelsalam, H.,et al. A dynamic simulation model of desertification in Egypt[J],2010,13(2):101-111.
APA	Rasmy, M.,Gad, A.,Abdelsalam, H.,&Siwailam, M..(2010).A dynamic simulation model of desertification in Egypt.EGYPTIAN JOURNAL OF REMOTE SENSING AND SPACE SCIENCES,13(2),101-111.
MLA	Rasmy, M.,et al."A dynamic simulation model of desertification in Egypt".EGYPTIAN JOURNAL OF REMOTE SENSING AND SPACE SCIENCES 13.2(2010):101-111.