臭氧污染在中国的空间异质联系和溢出效应
Xin Zhang1, Wei Wu2, Hong-Bin Liu1
1College of Resources and Environment, Southwest University, Beibei, Chongqing, 400716, China.
Environmental research
|June 21, 2025
概括
表面臭氧污染在中国越来越令人担忧,显示出复杂的空间模式. 这项研究揭示了工业结构和环境因素如何推动臭氧污染及其在不同地区的溢出效应.
科学领域:
- 环境科学 环境科学
- 大气化学 大气化学
- 空间分析 空间分析
背景情况:
- 表面臭氧污染在中国是一个重大的环境挑战.
- 了解空间异质性和溢出效应对于有效控制臭氧污染至关重要.
- 关于臭氧污染的空间分层异质性和溢出动态的研究有限.
研究的目的:
- 研究中国表面臭氧污染的空间异质性和溢出效应.
- 确定臭氧污染的主要驱动因素及其空间溢出影响.
- 分析臭氧污染的层内和层间的关联.
主要方法:
- 一种混合模型,结合了随机森林,夏普利添加式扩展 (SHAP) 和地理加权回归 (GWR).
- 使用主要成分分析 (PCA) 和地理和时间加权回归 (GTWR).
- 对空间分层异质性和臭氧污染的溢出效应的分析.
主要成果:
- 臭氧度显示出波动的上升趋势,空间聚类增加.
- 在中国南部,中部和东部观察到加强的层内协会;在中国东北部和北部加强的层间协会.
- 工业结构是臭氧溢出的主要驱动因素;技术支出和气象因素显示其影响的区域差异.
结论:
- 臭氧污染在中国各地表现出复杂的空间模式和溢出效应.
- 区域工业结构和环境因素对臭氧溢出有重大影响.
- 考虑到区域特点的有针对性的污染控制战略是缓解臭氧污染的必要条件.
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