Framework for Comprehensive Risk Assessment and Factor Diagnosis from the Perspective of the Water–Energy–Food–Ecology–Carbon Complex System: A Case Study of the Yellow River “Ji” Bay

Minhua Ling, Tong Kou, Wei Li (), Yunling Li, Xigang Xing, Xuning Guo, Guangxuan Li, Suyan Sun, Chun Gan and Jiaying Dun
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Minhua Ling: School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China
Tong Kou: School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China
Wei Li: MWR General Institute of Water Resources and Hydropower Planning and Design, Beijing 100120, China
Yunling Li: MWR General Institute of Water Resources and Hydropower Planning and Design, Beijing 100120, China
Xigang Xing: MWR General Institute of Water Resources and Hydropower Planning and Design, Beijing 100120, China
Xuning Guo: MWR General Institute of Water Resources and Hydropower Planning and Design, Beijing 100120, China
Guangxuan Li: MWR General Institute of Water Resources and Hydropower Planning and Design, Beijing 100120, China
Suyan Sun: MWR General Institute of Water Resources and Hydropower Planning and Design, Beijing 100120, China
Chun Gan: School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China
Jiaying Dun: School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China

Sustainability, 2025, vol. 17, issue 21, 1-24

Abstract: The ecological protection and high-quality development of the Yellow River Basin is a major national strategy in China. The Yellow River “Ji” Bay is an important part of the basin. This study evaluates the comprehensive risk of the water–energy–food–ecology–carbon (WEFEC) complex system within the “Ji” Bay. Using 2004–2023 panel data from nineteen regional cities, this study develops a 24-indicator WEFEC index system that assesses reliability, synergy, and resilience. A comprehensive evaluation method based on the game theory–cloud model is employed to determine the risk levels. The study results show the following: (1) the multi-year average comprehensive risk of the WEFEC complex system in the “Ji” Bay from 2004 to 2023 was at a high alert level; (2) the overall synergy of the “Ji” Bay was moderate; (3) spatially, the number of cities in extreme and high alert states decreased, whereas the number of cities in no alert and light alert states increased; and (4) indicators such as per capita water resources, water production modulus, and water area ratio are the main factors restricting the comprehensive risk of the WEFEC complex system. Based on these findings, this paper proposes policy recommendations using the following three aspects: criterion layers, risk factors, and different regions.

Keywords: “Ji” Bay; water–energy–food–ecology–carbon (WEFEC); cloud model; risk assessment (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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