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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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城市湖泊在快速社会经济发展期间的水质变化和驱动因素的定量评估
Xiaoyu Wang1, Yinqun Yang2, Jing Wan3
1Hubei Key Laboratory of Regional Ecology and Environmental Change, School of Geography and Information Engineering, China University of Geosciences, Wuhan, 430074, China.
Journal of environmental management
|July 16, 2023
概括
在中国的水质.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 水资源管理 水资源管理
背景情况:
- 快速的城市化在全球范围内对城市湖泊生态系统产生了重大影响.
- 在城市发展的同时保持水质需要对变化和驱动因素进行定量评估.
- 湖是中国一个典型的城市湖,由于人类的压力,它面临着生态挑战.
研究的目的:
- 从2011年到2020年,对Chaohu湖水质的时空变化进行定量评估.
- 确定水质变化背后的关键污染参数和驱动力.
- 评估环境治理政策对改善水质的有效性.
主要方法:
- 综合评估使用集群分析和Kriging插值用于时空变化.
- 皮尔森相关性分析,以评估水质与社会经济因素之间的关系.
- 在十年 (2011-2020年) 期间,对水质变化的定量分析.
主要成果:
- 查胡湖的总 (TP) 和总 (TN) 被确定为主要污染物.
- 水质的空间异质性显著,西部的条件较差,与集中的住宅区和污水排放有关.
- 观察到总体水质的改善,特别是化学氧需求 (COD),归因于人为控制和治理政策.
结论:
- 湖的水质呈现出改善的趋势,从2011年到2020年,西部 (23%-35%) 和东部 (7%-14%) 的水质显著改善.
- 自然湖泊属性和外部负载显著影响空间水质异质性.
- 该研究为评估城市湖泊水质动态及其驱动因素提供了一个强大的框架.
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