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评估城市绿色空间景观模式对臭氧度变化的贡献

Yu Li¹, Min Cao¹, Shuaichong Yan¹

¹College of Forestry, Shenyang Agricultural University, Shenyang, 110866, China.

Environmental research

|March 22, 2025

概括

城市绿色空间 (UGS) 可以减少臭氧 (O3) 污染,但其有效性取决于景观模式,季节和规模. 在2公里范围内的最佳UGS模式可以显著降低O3度.

科学领域:

环境科学环境科学
城市规划城市规划
大气化学大气化学

背景情况:

城市绿色空间 (UGS) 在调节臭氧 (O3) 水平方面发挥着作用,但其景观模式对O3在不同尺度上的异质性的影响尚不清楚.
了解这些关系对于有效的城市规划和污染管理至关重要.

研究的目的:

研究UGS景观模式如何影响不同时空尺度和季节的O3度.
确定最佳的UGS景观配置,以减轻O3污染.

主要方法:

分析了来自中国北部五大城市53个监测站的数据.
应用线性混合效应和地质探测器模型来评估UGS景观模式对O3度的影响.
检查季节性和规模依赖的影响.

主要成果:

氧3度与UGS面积正相关.
根据UGS的景观均性和聚合性可以减少O3增强效应,效率因季节和规模而异.
季节性变化对O3度的影响比空间尺度更大.
一个2公里的邻里尺度被认为是最佳的,将O3度降低了2.98±5.2%.

结论:

地理学统计局的景观模式显著影响O3的空间异质性.
在O3污染缓解方面,UGS景观模式的协同效应至关重要.
以最佳规模的UGS战略规划和考虑季节性变化对于减少城市O3污染至关重要.

关键词:

地质探测器地质探测器景观指标景观指标线性混合效应的线性混合效应.邻里规模的邻里规模.十三) 的情况.城市绿地是城市的绿色空间.

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