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Updated: Sep 13, 2025

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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探索中国城市集群的绝对可持续性知情水不平等指标
Mo Li1, Mengyi Yang1
1School of Humanities and Social Science, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518172, PR China.
Environmental research
|July 31, 2025
概括
中心城市进口水密集型商品,超越星球边界 (PB). 这项研究揭示了中国城市集群之间的虚拟水贸易模式,表明中央城市可以转向进口剩余水,以可持续地管理淡水资源.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 水资源管理 水资源管理
背景情况:
- 城市集群中的中心城市进口水密集型产品,可能超过行星边界 (PB).
- 基于PB的虚拟水贸易在城市集群内和城市集群之间的淡水再分配中的作用未得到充分研究.
- 了解这些动态对于可持续的城市发展和资源管理至关重要.
研究的目的:
- 分析中国城市集群级别PB超标和PB余的水足迹.
- 量化城市集群需求在多大程度上推动了PB的违法行为.
- 调查中国城市集群中虚拟水贸易的驱动因素和模式.
主要方法:
- 利用中国城市集群级多区域输出输出模型.
- 分析了313个中国城市的超额水足迹 (WEF) 和余水足迹 (SWF).
- 检查了中央和非中央城市之间以及顶级城市集群内的WEF和SWF的净流量.
主要成果:
- 2017年,中国城市的WEF为48.8立方公里,SWF为136.7立方公里.
- 净WEF从中心城市流向非中心城市,而净SWF流向相反的方向.
- 长江三角洲为世界经济论坛和世界经济论坛 (SWF) 集中了净进口流;贸易不仅仅取决于距离或财富.
结论:
- 中心城市可以从WEF出口商转变为SWF进口商,优化淡水资源的使用.
- 虚拟的水贸易模式挑战了关于地理距离和财富影响水足迹的假设.
- 这项研究促进了对城市消费对水行星边界的影响的理解.
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