Parametric assessment of water use vulnerability variations using SWAT and fuzzy TOPSIS coupled with entropy

Kwangjai Won, Eun Sung Chung, Sung Uk Choi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This study assessed the water use vulnerability to include the uncertainty of the weighting values of evaluation criteria and the annual variations of performance values using fuzzy TOPSIS coupled with the Shannon entropy method. This procedure was applied to 12 major basins covering about 88% territory of South Korea. Hydrological components were simulated using Soil and Water Assessment Tool (SWAT) of which parameters were optimally calibrated using SWAT-CUP model. The 15 indicators including hydrological and anthropogenic factors were selected, based on three aspects of climate exposure, sensitivity and adaptive capacity. Their weighting values were objectively quantified using the Entropy method. All performance values of 12 basins obtained from statistic Korea and SWAT simulation were normalized with the consideration of the annual variations from 1991 to 2014 using triangular fuzzy numbers (TFNs). Then, Fuzzy Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) technique was used to quantify the water use vulnerability and rank 12 basins as follows: A12 (Hyeongsan River) > A6 (Seomjin River) > A5 (Youngsan River) > A8 (Mangyung River) > A2 (Ansung River) > A9 (Dongjin River) > A10 (Nakdong River) > A3 (Geum River) > A4 (Sapgyo River) > A11 (Taehwa River) > A7 (Tamjin River) > A1 (Han River). This framework can be used to determine the spatial priority for sustainable water resources plan and applied to derive the climate change vulnerability on sustainable water resources.

Original languageEnglish
Pages (from-to)12052-12070
Number of pages19
JournalSustainability (Switzerland)
Volume7
Issue number9
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

entropy
water use
vulnerability
Entropy
Rivers
river
Soils
water
Water
weighting
Water resources
annual variation
soil and water assessment tool
Values
water resource
basin
Climate change
resources
South Korea
Catchments

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Renewable Energy, Sustainability and the Environment
  • Management, Monitoring, Policy and Law

Cite this

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Parametric assessment of water use vulnerability variations using SWAT and fuzzy TOPSIS coupled with entropy. / Won, Kwangjai; Chung, Eun Sung; Choi, Sung Uk.

In: Sustainability (Switzerland), Vol. 7, No. 9, 01.01.2015, p. 12052-12070.

Research output: Contribution to journalArticle

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