Articles | Volume 20, issue 9
Atmos. Chem. Phys., 20, 5211–5229, 2020
https://doi.org/10.5194/acp-20-5211-2020
Atmos. Chem. Phys., 20, 5211–5229, 2020
https://doi.org/10.5194/acp-20-5211-2020

Research article 05 May 2020

Research article | 05 May 2020

An observational study of the effects of aerosols on diurnal variation of heavy rainfall and associated clouds over Beijing–Tianjin–Hebei

Siyuan Zhou et al.

Data sets

Terra MODIS Level-3 aerosol and clouddataset LAADS DAAC https://ladsweb.modaps.eosdis.nasa.gov/

Ultraviolet AI data GES DISC https://daac.gsfc.nasa.gov/datasets?keywords=OMI&page=1

MACC-II and ERA-Interim reanalysis dataset EXMWF https://apps.ecmwf.int/datasets/

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Short summary
Aerosol–cloud–precipitation interaction is a challenging problem in regional climate. Our study contrasted the observed diurnal variation of heavy rainfall and associated clouds over Beijing–Tianjin–Hebei between clean and polluted days during the 2002–2012 summers. We found the heavy rainfall under pollution has earlier start time, earlier peak time and longer duration, and further found the absorbing aerosols and scattering aerosols play different roles in the heavy rainfall diurnal variation.
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