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基于生态网络的中国省际虚拟水的多重依赖性分析
Huan Wang1,2, Bo Ren3,4, Ning Ma5
1School of Economics and Management, China University of Geosciences, Beijing, 100083, China.
Environmental science and pollution research international
|April 20, 2024
概括
虚拟的水贸易重新分配了中国的水资源. 这项研究揭示了直接,间接和完全的依赖关系,确定了关键区域和稳定的间接流量,以改善水资源管理.
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 网络分析 网络分析
背景情况:
- 省际贸易创造了虚拟的水流,影响了区域水资源的分配.
- 现有关于虚拟水贸易的研究缺乏对依赖结构的全面理解.
研究的目的:
- 探索中国虚拟水贸易中的多重依赖关系 (直接,间接,完全).
- 在虚拟水贸易网络中确定关键区域和通道.
- 通过依赖性分析为协作水资源管理提供基础.
主要方法:
- 构建多层依赖网络,分析中国各省之间的虚拟水流.
- 直接,间接和完全的虚拟水依赖的量化.
- 确定占主导地位的省份及其在虚拟水贸易网络中的作用.
主要成果:
- 在虚拟的水贸易中,直接依赖是最密集的,但比间接依赖更不稳定.
- 五个主要省份 (广西,湖南,四川,新疆,安) 形成了一个"核心五个地区",占虚拟水流量的30%左右.
- 七个省份对"五大核心地区"有显著的直接和间接依赖,广东省获得了最多的投入.
结论:
- 虚拟的水贸易展现了中国各省之间复杂的直接和间接依赖关系.
- 已确定的"核心五个地区"在虚拟的水再分配中起着至关重要的作用.
- 了解这些依赖关系对于有效的,协作的区域水资源管理在中国至关重要.
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