Articles | Volume 19, issue 16
Atmos. Chem. Phys., 19, 10497–10523, 2019
https://doi.org/10.5194/acp-19-10497-2019
Atmos. Chem. Phys., 19, 10497–10523, 2019
https://doi.org/10.5194/acp-19-10497-2019

Research article 21 Aug 2019

Research article | 21 Aug 2019

Large contribution of meteorological factors to inter-decadal changes in regional aerosol optical depth

Huizheng Che et al.

Data sets

MERRA-2 aerosol reanalysis data GES DISC https://disc.gsfc.nasa.gov/daac-bin/FTPSubset2.pl

PKU global emissions inventory Peking University http://inventory.pku.edu.cn/home.html

AERONET networks NASA https://aeronet.gsfc.nasa.gov/

MISR GES DISC https://giovanni.gsfc.nasa.gov/giovanni/

Model code and software

MeteoInfo Y. Wang http://www.meteothink.org/index.html

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Short summary
A comprehensive assessment of the global and regional AOD trends over the past 37 years (1980–2016) is presented. AOD observations from both AERONET and CARSNET were used for the first time to assess the performance of the MERRA-2 AOD dataset on a global scale. Based on statistical models, we found the meteorological parameters explained a larger proportion of the regional AOD variability (20.4 %–2.8 %) when compared with emission factors (0 %%–56 %).
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