Urban Water Security Assessment and Improvement Suggestions Based on Driver-Pressure-State-Response Model

XIE Qing

doi:10.11988/ckyyb.20230356

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Journal of Changjiang River Scientific Research Institute ›› 2024, Vol. 41 ›› Issue (7) : 41-47. DOI: 10.11988/ckyyb.20230356

Water Resources

Urban Water Security Assessment and Improvement Suggestions Based on Driver-Pressure-State-Response Model

XIE Qing^1,2

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Abstract

Assessing water security serves as the foundation for developing, utilizing, and protecting water resources. Enhancing urban water security promotes ecological environmental protection and supports high-quality economic and social development. The DPSR (Driver-Pressure-State-Response) model was employed to construct a water security assessment index system centered on resource, social, and economic security. The entropy weight method was applied to determine index weights. The urban water security of Changsha City as a case study during the 13th Five-Year Plan period was evaluated and analyzed. Results indicate that while the water security of Changsha improved from unsafe level in 2018 to safe level in 2020, the state remains unstable. Consequently, three strategies are proposed to bolster water conservation efforts, improve water quality, and enhance disaster prevention capabilities. In consideration of the costs and effectiveness of these strategies, an optimized approach for enhancing water security in Changsha is recommended: prioritizing water environmental quality, followed by water conservation, and then improving disaster prevention capabilities.

Key words

urban water security / DPSR model / entropy weight method / Changsha City / promotion path

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XIE Qing. Urban Water Security Assessment and Improvement Suggestions Based on Driver-Pressure-State-Response Model[J]. Journal of Changjiang River Scientific Research Institute. 2024, 41(7): 41-47 https://doi.org/10.11988/ckyyb.20230356

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