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Comprehensive Evaluation on Urban Water Security Based on the Novel DPEBLR Concept Model and the Cloud Matter-Element Model: A Case Study of Chongqing, China
Deng, Hongwei ; Song, Xiaojie ; Li, Changshun ; Li, Yanyan ; Diao, Hu ; Xu, Jingbo
Water (Basel), 2022-11, Vol.14 (21), p.3486
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題名:
Comprehensive Evaluation on Urban Water Security Based on the Novel DPEBLR Concept Model and the Cloud Matter-Element Model: A Case Study of Chongqing, China
著者:
Deng, Hongwei
;
Song, Xiaojie
;
Li, Changshun
;
Li, Yanyan
;
Diao, Hu
;
Xu, Jingbo
主題:
Chongqing
;
Cities
;
Climate change
;
cloud matter element model
;
Construction
;
Control systems
;
Disasters
;
DPEBLR model
;
DPSIR model
;
Drinking water
;
Drought
;
Evaluation
;
Flood control
;
Flood management
;
Floods
;
Industrial
applications
;
Population
;
Rain
;
Restoration
;
Risk assessment
;
Security
;
Sewage disposal
;
Sustainable development
;
System theory
;
Urban areas
;
Urban development
;
urban water security
;
Urbanization
;
Vulnerability
;
Water conservation
;
Water pollution
;
Water quality
;
Water scarcity
;
Water security
;
Water shortages
;
Water supply
所屬期刊:
Water (Basel), 2022-11, Vol.14 (21), p.3486
描述:
Urban water security problems such as water scarcity, water pollution, and flood disasters have restricted the sustainable development of cities. In order to scientifically evaluate the urban water security situation, this study combined the DPSIR (driver, pressure, state, impact, response) model and HEVD (the hazard of disaster-causing factors, the vulnerability of disaster-affected bodies, the instability of the disaster-pregnant environment, and population loss) model to propose a new conceptual framework for DPEBLR (driver, pressure, environment, insecurity-affected body, loss, response). Based on this conceptual framework, 35 indicators were selected to establish an urban water security evaluation index system. In order to solve the problem of randomness and fuzziness of the boundary values of urban water security classification levels, the cloud matter element model was applied. Chongqing was used as an example for verification, and the results showed that the water security status of Chongqing City improved from 2011 (Ⅴ) to 2019 (Ⅱ). This indicates that the water ecology restoration project, centralized water source protection project, centralized water supply project, water-saving society transformation, and flood and drought prevention system construction project implemented in Chongqing has achieved significant results. However, Chongqing still faces the problem that the construction of an urban flood control system cannot meet the speed of urban development. The government should slow down the urbanization and allow the urban flood control system to be ready before the area is occupied. In addition, the awareness of water conservation for industrial use in Chongqing has been formed, and citizens’ awareness of water conservation for domestic use should be enhanced in the future.
出版者:
Basel: MDPI AG
語言:
英文
識別號:
ISSN: 2073-4441
EISSN: 2073-4441
DOI: 10.3390/w14213486
資源來源:
Publicly Available Content Database
Agricultural & Environmental Science Collection
DOAJ Directory of Open Access Journals
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