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通过综合数据集来描述中国城市的水资源-环境-生态系统和:美丽的中国视角评估
Yang Guan1, Yang Xiao2, Ren Niu3
1Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.
The Science of the total environment
|February 22, 2024
概括
中国的水系统质量从2015年到2022年有所改善,但生态退化和微弱的协同作用阻碍了整体的和. 水环境的改善是关键的驱动因素. 建议有针对性的区域改进.
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 系统生态学 系统生态学
背景情况:
- 综合水系统管理对于可持续性至关重要.
- 评估水系统和需要评估质量,协同作用和驱动因素.
- 中国的水系统面临着差异化子系统开发和生态退化带来的挑战.
研究的目的:
- 开发一个系统的框架来评估水系统的和性.
- 从2015年到2022年,评估中国336个城市的水系统和性.
- 确定水系统和的关键驱动因素和区域差异.
主要方法:
- 整合质量评估,协同效应评估和驱动影响的确定.
- 利用多个规模和多个来源的数据集进行全面的案例研究.
- 应用数据挖掘和分解方法来量化复杂系统.
主要成果:
- 中国的水系统质量的整体改善 (2015-2022年),有分化的子系统变化 (水资源:+0.05%,环境:+4.33%,生态:-1.64%).
- 水生态退化和弱子系统协同作用限制了整体和.
- 水环境的改善对水系统质量作出了重大贡献.
- 观察到水系统和的南北区域差异.
结论:
- 拟议的水资源-环境-生态系统和框架提供了一个新的评估方法.
- 调查结果强调,需要在北京-天津-河北,长江三角洲和中长江等优先地区进行有针对性的干预.
- 该研究通过量化见解和城市一级的和地图,支持更清晰,更有效的水资源管理政策制定.
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