CALIBRATION OF MEDALUS MODEL TO PRESENT REGIONAL MODEL FOR DESERTIFICATION INTENSITY (CASE STUDY: KASHAN)

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ZEHTABIAN GHOLAM REZA; AHMADI HASAN; EKHTESASI M.R.; KHOSRAVI H.

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2007 | Volume:60 | Issue:3 Page(s): 727-744

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Title

CALIBRATION OF MEDALUS MODEL TO PRESENT REGIONAL MODEL FOR DESERTIFICATION INTENSITY (CASE STUDY: KASHAN)

Author(s)

ZEHTABIAN GHOLAM REZA | AHMADI HASAN | EKHTESASI M.R. | KHOSRAVI H. | Issue Writer Certificate

Keywords

MODELQ3

MEDALUSQ3

CRITERIAQ2

INDEXQ3

KASHANQ3

Abstract

Recently, desertification as a great problem threatens many countries all over the world. For evaluation and mapping of desertification many researches have been conducted in other countries leading to regional and local MODELs. This research uses MEDALU, introduced by European Commission in 1999, to investigate desertification in KASHAN area. The CRITERIA and indices used in MODEL were re-defined before application, so in the revised MODEL seven CRITERIA and 45 indices were assessed regarding conditions of the aera. These CRITERIA include water resources degradation, wind erosion, water erosion, climate, soil and management factors. Each criterion was assessed based on the selected indices, which resulted in qualitative mapping of each criterion based on selected CRITERIA. Finally, sensitive (susceptibility) map of the area was prepared using geometric average of all CRITERIA. The result indicates desertification in the region has an accelerating trend which may be extended throughout the region in the near future. Regarding the studied CRITERIA, water resources degradation has the highest effect on desertification. This area, excluding urban lands, 196.67 km2 of the area was categorized in the moderate desertification class while 366.04 km2 and 240.21 km2 of the area are prone to high and very high desertification.

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APA: Copy

ZEHTABIAN, GHOLAM REZA, AHMADI, HASAN, EKHTESASI, M.R., & KHOSRAVI, H.. (2007). CALIBRATION OF MEDALUS MODEL TO PRESENT REGIONAL MODEL FOR DESERTIFICATION INTENSITY (CASE STUDY: KASHAN). IRANIAN JOURNAL OF NATURAL RESOURCES, 60(3), 727-744. SID. https://sid.ir/paper/22940/en

Vancouver: Copy

ZEHTABIAN GHOLAM REZA, AHMADI HASAN, EKHTESASI M.R., KHOSRAVI H.. CALIBRATION OF MEDALUS MODEL TO PRESENT REGIONAL MODEL FOR DESERTIFICATION INTENSITY (CASE STUDY: KASHAN). IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2007;60(3):727-744. Available from: https://sid.ir/paper/22940/en

IEEE: Copy

GHOLAM REZA ZEHTABIAN, HASAN AHMADI, M.R. EKHTESASI, and H. KHOSRAVI, “CALIBRATION OF MEDALUS MODEL TO PRESENT REGIONAL MODEL FOR DESERTIFICATION INTENSITY (CASE STUDY: KASHAN),” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 60, no. 3, pp. 727–744, 2007, [Online]. Available: https://sid.ir/paper/22940/en

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