Volume 11, Issue 3 (12-2024)
Journal of Spatial Analysis Environmental Hazards 2024, 11(3): 0-0 |
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Sadeghiravesh M H. Zoning potential of desertification intensity using Moora and Aras scoring models. Journal of Spatial Analysis Environmental Hazards 2024; 11 (3)
URL: http://jsaeh.khu.ac.ir/article-1-3441-en.html
URL: http://jsaeh.khu.ac.ir/article-1-3441-en.html
Islamic Azad University , mh.sadeghiravesh@iau.ac.ir
Abstract: (706 Views)
The zoning of phenomena in order to recognize and evaluate the current situation as a basis for decision-making is one of the of scientific management essentials of natural resources. In the management of desert areas to prevent paying exorbitant costs and making incorrect decisions, strong and well-reasoned methods are needed to understand the current situation and the development process. Therefore, the main goal of the current research is to provide a suitable model for zoning the spatial distribution of desertification risk by using Moora, Aras scoring techniques and the use of geographic information system in Yazd-Khizrabad sub-basin. At first, after determining the working units by geomorphological method, the importance of indicators in each unit was obtained based on the Delphi method. Shannon's entropy method was used for the relative importance of indicators. Then the decision matrix was formed and after weighting, the potential of desertification intensity was estimated by calculating the desirability coefficient from Moora and Aras scoring method. The results of the analysis of both models showed that the land units of Mountain Agricultural Grounds (MAG) and Plan Agricultural Grounds (PAG) have the highest desertification potential, which covers 7135 ha (9.11%) of the entire study area and Quantitative value of desertification potential for the whole region based on the all of indicators was placed in the middle class (IV). It is suggested that the obtained results and ranking should be taken into consideration in the plans for controlling and reducing the effects of desertification and rehabilitating degraded lands.
Keywords: Aras, zoning, desertification, multi-criteria decision making, hierarchical structure, points models, Moora.
Type of Study: Research |
Subject:
Special
Received: 2024/04/27 | Accepted: 2024/12/21 | Published: 2024/12/23
Received: 2024/04/27 | Accepted: 2024/12/21 | Published: 2024/12/23
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