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Research on buildings impacting on aerosol diffusing in urban area using remote sensing
Sheng-tian Yang1, Zhi-feng Yang, Xian-qiang Mao
1Institute of Environment, Beijing Normal University, Beijing 100875, China. yangshengtian@263.net
Journal of Environmental Sciences (China)
|July 27, 2004
Summary
Building density significantly impacts urban air pollution. Limiting Guangzhou
Area of Science:
- Environmental Science
- Urban Planning
- Remote Sensing
Background:
- Urban air quality is a growing concern.
- Building density is a key factor in urban environments.
- Aerosol pollution affects public health and visibility.
Purpose of the Study:
- To analyze the relationship between building volumetric ratio and aerosol status in Guangzhou.
- To understand the spatial distribution of these factors.
- To identify a threshold for building density to mitigate air pollution.
Main Methods:
- Utilized remote sensing techniques.
- Interpreted building volumetric ratio and aerosol status.
- Analyzed spatial distribution patterns.
Main Results:
- A strong correlation was found between building density and aerosol status.
- Building density was identified as a factor resisting aerosol diffusion.
- A threshold of 5.6 for building volumetric ratio was determined.
Conclusions:
- Building resistance to aerosol diffusion contributes to urban air pollution.
- Limiting Guangzhou's building volumetric ratio to below 5.6 can help alleviate air pollution.
- Findings offer insights for sustainable urban development and air quality management.