COMPARISON OF ICD AND ESAS MODELS TO DESERTIFICATION MAP IN THE NYATK REGION OF SISTAN

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PARVARI H.; HOSSEINI S.M.; PAHLAVANRAVI A.; MOGHADDAM NIA A.R.; SHAHRIARI A.; EKHTESASI M.R.

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Journal: Watershed Management Research Year:2011 | Volume:- | Issue:1 (90) Page(s): 42-54

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Title

COMPARISON OF ICD AND ESAS MODELS TO DESERTIFICATION MAP IN THE NYATK REGION OF SISTAN

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Keywords

DESERTIFICATIONQ2

DESERTIFICATION MAPQ2

ICD MODELQ2

ESAS MODELQ2

Abstract

DESERTIFICATION is the consequence of a series of important processes which two factors of climate changes and human activities are the most important ones. Arid and semi-arid regions occupy the vast area of Iran. Sistan region is one typical sample of desert regions of Iran and wind erosion is the most important factor of land degradation and soil deterioration in this region. Hence two models of ICD and ESA’s are used to evaluate DESERTIFICATION danger zoning. For this purpose, at first, factors affecting DESERTIFICATION are identified by noting the region conditions and evaluated by using the relevant tables. By noting the region conditions, it became known that four factors of vegetation, soil, and climate and land use management are the primary factors affecting DESERTIFICATION process. The results obtained from these two models indicate ICD MODEL classify DESERTIFICATION intensity in four classes of mild, and medium, high, and intensive totally occupied 13% (625.6 ha), 32% (1502.7 ha), 40.7% (1962.3 ha), and 15.2% (730 ha), respectively. In addition, ESAS MODEL classifies the region in critical class only, so that 68% of the region is placed in intensive critical sub-class (C3), less than 1% in medium critical sub-class (C2), and 31% in low critical sub-class. By noting the region conditions, the obtained results from ICD MODEL, do not have conformity with reality, because the limits of the region have been classified in insensitive or mild classes. But as it is known and observable in the study area, in the map prepared by ESAS MODEL, the region is completely classified in critical sub-classes that have absolute conformity with the natural conditions of the region.

Cites

ASSESSMENT OF CURRENT DESERTIFICATION USING MODIFIED MICD MODEL (CASE STUDY: FAKHRABAD-MEHRIZ PLAIN)

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APA: Copy

PARVARI, H., HOSSEINI, S.M., PAHLAVANRAVI, A., MOGHADDAM NIA, A.R., SHAHRIARI, A., & EKHTESASI, M.R.. (2011). COMPARISON OF ICD AND ESAS MODELS TO DESERTIFICATION MAP IN THE NYATK REGION OF SISTAN. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), -(1 (90)), 42-54. SID. https://sid.ir/paper/200666/en

Vancouver: Copy

PARVARI H., HOSSEINI S.M., PAHLAVANRAVI A., MOGHADDAM NIA A.R., SHAHRIARI A., EKHTESASI M.R.. COMPARISON OF ICD AND ESAS MODELS TO DESERTIFICATION MAP IN THE NYATK REGION OF SISTAN. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2011;-(1 (90)):42-54. Available from: https://sid.ir/paper/200666/en

IEEE: Copy

H. PARVARI, S.M. HOSSEINI, A. PAHLAVANRAVI, A.R. MOGHADDAM NIA, A. SHAHRIARI, and M.R. EKHTESASI, “COMPARISON OF ICD AND ESAS MODELS TO DESERTIFICATION MAP IN THE NYATK REGION OF SISTAN,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. -, no. 1 (90), pp. 42–54, 2011, [Online]. Available: https://sid.ir/paper/200666/en

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