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Using Improved TOPSIS and Best Worst Method in prioritizing management scenarios for the watershed management in arid and semi-arid environments

Alvandi Department of Watershed Management, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran|
Mohammad Reza (57211683890) | Behnam (57224504220); Dahmardeh Ghaleno Department of Range and Watershed Management, Faculty of Water and Soil, University of Zabol, Zabol, Iran| Sarita Gajbhiye (57190754999); Farid Giglou Department of Watershed Management Sciences and Engineering, Faculty of Natural and Environmental Sciences, University of Kashan, Kashan, Iran| Mojtaba (57215827256); Meshram Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Viet Nam| Ehsan (57202326637); Soleimani-Sardo Department of Environmental Sciences and Engineering, Faculty of Natural Resources, University of Jiroft, Jiroft, Iran|

Soft Computing Số 16, năm 2021 (Tập 25, trang 11363-11375)

ISSN: 14327643

ISSN: 14327643

DOI: 10.1007/s00500-021-05933-9

Tài liệu thuộc danh mục:

Article

English

Từ khóa: Catchments; Ecology; Piles; Social aspects; Soil conservation; Water conservation; Water management; Watersheds; Conflicting objectives; Improved techniques; Integrated management; Management scenarios; Management strategies; Multi criteria decision making; Semi-arid environments; Watershed management; Decision making
Tóm tắt tiếng anh
Watershed as a complex and dynamic system is considered to be a functional unit for planning and management strategies. It is important to take all technical, social, economic, physical, ecological and administrative aspects in the process of watersheds planning and management into account. Deciding in the watershed management is quite intricate due to existence of diverse agents and indices there. Therefore, this study focused on the socioeconomic, ecological and physical impacts of management scenarios targeting on water and soil resources management issues in the Hable-Rud River Basin, Tehran Province, Iran. Also provide the best scenario for watershed management to achieve integrated management of resources in the catchment using Improved Technique for Order of Preference by Similarity to Ideal Solution (Improved TOPSIS) approach and Best Worst Method (BWM). The study area covers an area of 3269�Km2. In this study, according to managerial problems of the region, four management actions (rangeland exclusion, pitting, contour furrow and pile seeding) and 16 management scenarios were taken into consideration. Also, four standards of social (social acceptance), economic (benefit/cost), ecological (Weighted Average of Patch Size Index (WMPSI) and Weighted Land Cover Area Index (WLCAI)), and physical (runoff and soil erosion) indices are applied. Then, using the Best Worst Method, the weight of each index is met. Following the formation of decision matrix with 16 options (management scenarios) and 6 criteria (evaluation index), the Improved TOPSIS method was used to prioritize management scenarios. The research results showed that the social acceptance index (0.304) has the highest weight and the WLCAI index (0.072) has the lowest weight. The results of the prioritization of the scenarios using the weights estimated by the BWM method showed that the scenario 13 (rangeland exclusion, pitting and pile seeding) and scenario 5 (pile seeding) and scenario 16 (rangeland exclusion, pitting, contour furrow and pile seeding) perform best, respectively. In this research, a novel and logical approach of multi-criteria decision-making processes, i.e., Improved TOPSIS and Best Worst Method, was adopted to prioritize management scenarios for planning and watershed management. Given the results, the Improved TOPSIS method can be used as a suitable technique in prioritizing management scenarios, especially when the decision maker faces contradictory or even conflicting objectives and cannot decide on the best alternative(s). � 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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