# Enhanced haze pollution by black carbon in megacities in China

“Enhanced haze pollution by black carbon in megacities in China” (2016), by Aijun Ding et al. Earth and Planetary Sciences research paper. Original abstract below, unchanged. No free PDF was found.

- Authors: Aijun Ding, Xin Huang, W. Nie, Jianning Sun, Veli‐Matti Kerminen, Tuukka Petäjä, Hang Su, Yafang Cheng, Xiaoqin Yang, Mengyao Wang et al.
- Published: March 1, 2016
- Field: Earth and Planetary Sciences
- DOI: https://doi.org/10.1002/2016gl067745
- Source: https://doi.org/10.1002/2016gl067745

## Abstract

Aerosol‐planetary boundary layer (PBL) interactions have been found to enhance air pollution in megacities in China. We show that black carbon (BC) aerosols play the key role in modifying the PBL meteorology and hence enhancing the haze pollution. With model simulations and data analysis from various field observations in December 2013, we demonstrate that BC induces heating in the PBL, particularly in the upper PBL, and the resulting decreased surface heat flux substantially depresses the development of PBL and consequently enhances the occurrences of extreme haze pollution episodes. We define this process as the “dome effect” of BC and suggest an urgent need for reducing BC emissions as an efficient way to mitigate the extreme haze pollution in megacities of China.

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