Spatial distributions and temporal variations of atmospheric aerosols and the affecting factors: a case study for a region in central China-文献浏览-时空三极环境大数据平台

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Guo, Yangjie, Hong, Song, Feng, Nan, Zhuang, Yanhua, Zhang, Liang. Spatial distributions and temporal variations of atmospheric aerosols and the affecting factors: a case study for a region in central China. International Journal of Remote Sensing, 2012, 33(12):3672-3692. doi:10.1080/01431161.2011.631951

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Type Of Reference	JOUR
Title	Spatial distributions and temporal variations of atmospheric aerosols and the affecting factors: a case study for a region in central China
Authors	Guo, Yangjie\| Hong, Song\| Feng, Nan\| Zhuang, Yanhua\| Zhang, Liang\|
Secondary Title	International Journal of Remote Sensing
Abstract	Using Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol data, temporal variations and the spatial distribution of aerosol optical depth (AOD or τ) over the Hubei Province in China were investigated from 2003 to 2008. self-organizing maps (SOMs) and linear models were further used to analyse the relationships between AODs and elevation, normalized difference vegetation index (NDVI) and population density. The results were as follows: high AOD values were observed in south-central areas with lower elevations, lower NDVI and larger population densities, whereas low AOD values were observed in the western, northeastern and southeastern areas. The highest AOD values were observed in spring; summer was characterized by lower AOD values, but also the largest ratio of fine particles; in autumn, the coverage of AOD was only smaller than spring with most being fine particles; in winter, coarse particles were dominant when AOD values were the lowest. The AOD monthly average rose substantially in the winter–spring season and dropped sharply in the spring–winter season. Based on these data, both SOMs and linear models show that AOD distribution is influenced by the complex interactions that occur among various elements. The annual AODs are negatively related to ln(elevation) and NDVI and positively related to ln(population density). The ln(elevation) factor affects aerosol distribution more than do the other two factors. Compared to fine-particle aerosols, the selected three factors have a greater impact on the coarse particles.
Date	2012///
Year	2012
DOI	10.1080/01431161.2011.631951
Database Provider	Taylor and Francis+NEJM
volume	33
Issue Number	12
Start Page	3672
Issn	0143-1161
Url	http://www.tandfonline.com/doi/abs/10.1080/01431161.2011.631951
Access Date	2013/11/18/16:08:54
file_attachments2	http://www.tandfonline.com/doi/abs/10.1080/01431161.2011.631951#.Uoo7gI1b3hs
notes	<p>http://westdc.westgis.ac.cn/data/1cad1a63-ca8d-431a-b2b2-45d9916d860d</p>
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Spatial distributions and temporal variations of atmospheric aerosols and the affecting factors: a case study for a region in central China

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