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Updated: Jun 21, 2025

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在田纳西河流域的一个下游流域的结合自然社会水系统
Zirui Mu1, Shanshan Qi1, Gangsheng Wang1
1State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan, Hubei 430072, China; Institute for Water-Carbon Cycles and Carbon Neutrality, Wuhan University, Wuhan 430072, China.
The Science of the total environment
|July 13, 2024
概括
这项研究模型结合了自然社会水系统,发现废水处理等社会因素对河流流量产生重大影响. 了解这些人类影响对于有效的水资源管理至关重要.
科学领域:
- 水文学的水文学
- 环境科学 环境科学
- 水资源管理 水资源管理
背景情况:
- 区域水循环越来越多地受到自然和社会过程的影响,影响全球水安全.
- 准确地解释这些结合的自然社会系统及其驱动因素带来了重大挑战.
研究的目的:
- 在东叉波普拉溪 (EFPC) 流域建模结合的自然社会水系统.
- 评估社会水循环组件 (水转移,废水处理) 对河流流量的影响.
- 分析气候和土地利用变化对水资源的影响.
主要方法:
- 在QGIS软件中使用了土壤和水评估工具 (SWAT).
- 整合了历史 (1980-2016) 和未来 (2017-2050) 时期的各种气候和土地利用变化场景.
- 量化了社会水循环组件对观测到的溪流流量的贡献.
主要成果:
- 当包括社会水循环组件时,模型模拟更准确,这些组件占观察到的溪流流量的13-18%.
- 气候变化主要驱动自然流水变化.
- 土地利用和覆盖变化 (LUCC) 极少影响了自然流水,但严重影响了表面 (RS) 和地下流水 (RSS) 生产,LUCC分别负责152%和45%的未来变化.
结论:
- 社会水循环的组成部分,包括人工排水和取水,对区域水系统产生重大影响.
- 有效的水资源管理需要采用综合方法,整合自然社会水文过程.
- 未来的水资源安全需要考虑人类干预以及自然气候和土地使用动态.
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