ASSESSMENT OF DESERTIFICATION SEVERITY USING IMDPA MODEL IN SARAVAN REGION

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ZOLFAGHARI FARHAD; KHOSRAVI HASSAN

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Journal: Geography and Environmental Planning Year:2016 | Volume:27 | Issue:2 (62) Page(s): 87-101

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Title

ASSESSMENT OF DESERTIFICATION SEVERITY USING IMDPA MODEL IN SARAVAN REGION

Author(s)

ZOLFAGHARI FARHAD | KHOSRAVI HASSAN | Issue Writer Certificate

Keywords

DESERTIFICATION SEVERITYQ1

CRITERIAQ2

INDEXQ2

IMDPA MODELQ2

SARAVANQ1

Abstract

In this research, desertification intensity of SARAVAN region was evaluated using IMDPA a the newest method of Assessment of Desertification Potential in arid and semi arid regions of Iran. For this purpose 4 CRITERIA including climate, vegetation cover, soil and wind erosion were selected. Each criterion was assessed based on it's indices which result in qualitative mapping of each criterion based on geometric average of the indices. Then, sensitive map of region was extracted using geometric average of all CRITERIA. Thematic databases were integrated and elaborated in a GIS. By laminate of thematic databases layers and using this formula DM=(SIA WEIA VIA CLI) 1.4 to a Calculate a the geometric mean CRITERIA, the desertification intensity map was obtained with analysis IMDPA MODEL. The result showed that 45.24% of study area was found to be in medium and about 54.39% in high class of desertification And 0.37% of the region including residential are nat in any classification. Analysis of desertification CRITERIA in SARAVAN region showed, climate CRITERIA is a major problem with a geometric average of 3.1 which shows high class while soil with a geometric average of 2.35 has lowest effect in desertification. Also vegetation covers and wind erosion CRITERIA with a geometric average of 2.62 and 2.87 show high class desertification.

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APA: Copy

ZOLFAGHARI, FARHAD, & KHOSRAVI, HASSAN. (2016). ASSESSMENT OF DESERTIFICATION SEVERITY USING IMDPA MODEL IN SARAVAN REGION. GEOGRAPHY AND ENVIRONMENTAL PLANNING (UNIVERSITY OF ISFAHAN), 27(2 (62) ), 87-101. SID. https://sid.ir/paper/153225/en

Vancouver: Copy

ZOLFAGHARI FARHAD, KHOSRAVI HASSAN. ASSESSMENT OF DESERTIFICATION SEVERITY USING IMDPA MODEL IN SARAVAN REGION. GEOGRAPHY AND ENVIRONMENTAL PLANNING (UNIVERSITY OF ISFAHAN)[Internet]. 2016;27(2 (62) ):87-101. Available from: https://sid.ir/paper/153225/en

IEEE: Copy

FARHAD ZOLFAGHARI, and HASSAN KHOSRAVI, “ASSESSMENT OF DESERTIFICATION SEVERITY USING IMDPA MODEL IN SARAVAN REGION,” GEOGRAPHY AND ENVIRONMENTAL PLANNING (UNIVERSITY OF ISFAHAN), vol. 27, no. 2 (62) , pp. 87–101, 2016, [Online]. Available: https://sid.ir/paper/153225/en

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