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A Study on Evaluating Water Resources System Vulnerability by Reinforced Ordered Weighted Averaging Operator

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  • Meiqin Suo
  • Jing Zhang
  • Lixin He
  • Qian Zhou
  • Tengteng Kong

Abstract

Evaluating the vulnerability of a water resources system is a multicriteria decision analysis (MCDA) problem including multiple indictors and different weights. In this study, a reinforced ordered weighted averaging (ROWA) operator is proposed by incorporating extended ordered weighted average operator (EOWA) and principal component analysis (PCA) to handle the MCDA problem. In ROWA, the weights of indicators are calculated based on component score coefficient and percentage of variance, which makes ROWA avoid the subjective influence of weights provided by different experts. Concretely, the applicability of ROWA is verified by assessing the vulnerability of a water resources system in Handan, China. The obtained results can not only provide the vulnerable degrees of the studied districts but also denote the trend of water resources system vulnerability in Handan from 2009 to 2018. And the indictor that most influenced the outcome is per capita GDP. Compared with EOWA referred to various indictor weights, the represented ROWA shows good objectivity. Finally, this paper also provides the vulnerability of the water resource system in 2025 based on ROWA for water management in Handan City.

Suggested Citation

  • Meiqin Suo & Jing Zhang & Lixin He & Qian Zhou & Tengteng Kong, 2020. "A Study on Evaluating Water Resources System Vulnerability by Reinforced Ordered Weighted Averaging Operator," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-9, November.
    • Handle: RePEc:hin:jnlmpe:5726523
    DOI: 10.1155/2020/5726523
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