Lin Sun , Rui-Bo Li , Xin-Peng Tian, Jing Wei

  • Geomatics College, Shandong University of Science and Technology, Shandong, Qingdao 266590, China

Received: May 6, 2016
Revised: December 12, 2016
Accepted: December 12, 2016
Download Citation: ||https://doi.org/10.4209/aaqr.2016.05.0185  

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Cite this article:
Sun, L., Li, R.B., Tian, X.P. and Wei, J. (2017). Analysis of the Temporal and Spatial Variation of Aerosols in the Beijing-Tianjin-Hebei Region with a 1 km AOD Product. Aerosol Air Qual. Res. 17: 923-935. https://doi.org/10.4209/aaqr.2016.05.0185


HIGHLIGHTS

  • 1 km resolution AOD was retrieved in Beijing, Tianjin and Hebei region.
  • Validation with AERONET shows that the inversed AOD can reach a high precision.
  • The distribution of aerosol and the impact factors was analyzed with 1 km AOD.

 

ABSTRACT


The Beijing-Tianjin-Hebei region is one of the most polluted areas in China, especially in terms of particulate matter pollution. To describe the aerosol distribution of such an area, the aerosol optical depth (AOD) with a 1 km spatial resolution was retrieved from MODIS data based on a new high-resolution aerosol retrieval algorithm with a priori land surface reflectance (LSR) database support (HARLS). Continuous AOD data from 2013 and 2014 retrieved by this algorithm were used to analyze the spatial and temporal distribution of the AOD in the above area. The AOD in the Beijing-Tianjin-Hebei region has obvious regional and seasonal variations. The AOD in the south and east is higher than in the north and west, and the AOD in spring and summer is higher than that in winter and autumn.


Keywords: AOD; High spatial resolution; Beijing-Tianjin-Hebei region; Temporal and spatial variation


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