Temporal and spatial distribution of aerosol optical depth in Chizhou based on satellite remote sensing

doi:10.6046/gtzyyg.2017.04.22

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Abstract Aerosol optical depth (AOD) is a key indicator of the atmospheric environment, which can be used to represent the degree of atmospheric pollution. Obtaining AOD by satellite remote sensing can make up for the lack of the spatial distribution of AOD and the trend of overall change by ground-based observation. With Chizhou City as the study area, the authors retrieved AOD of four seasons in 2014 using the improved dense dark vegetation method(V5.2 method)based on EOS-MODIS data and analyzed spatial and temporal distribution of AOD after verifying its reliability. The research results show that there is a good consistency in the overall change trend between the AOD retrieved from MODIS and that from MOD04_3K, but they also have some differences, especially in the winter half year. There is a remarkable difference of AOD distribution both regionally and seasonally. Overall performance in the northern part of the AOD is significantly higher than in the south, and spring and summer seasons are higher than the autumn and winter seasons, while different regional trends are different. The temporal and spatial changes of AOD are strongly influenced by natural factors and human factors.

Keywords land and resources satellites geology and mineral resources application benefits

TP751.1X513P407

Issue Date: 04 December 2017

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	ZHENG Xiongwei
	YANG Jinzhong
	CHEN Ling
	CHEN Hua
	SUN Yongjun
	FU Changliang
	TONG Liqiang
	ZHONG Chang
	WEI Yingjuan

Cite this article:

ZHENG Xiongwei,YANG Jinzhong,CHEN Ling, et al. Temporal and spatial distribution of aerosol optical depth in Chizhou based on satellite remote sensing[J]. REMOTE SENSING FOR LAND & RESOURCES, 2017, 29(4): 147-155.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2017.04.22 OR https://www.gtzyyg.com/EN/Y2017/V29/I4/147

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