Unified theoretical framework for black carbon mixing state allows greater accuracy of climate effect estimation

Jiandong Wang (), Jiaping Wang (), Runlong Cai, Chao Liu, Jingkun Jiang, Wei Nie, Jinbo Wang, Nobuhiro Moteki, Rahul A. Zaveri, Xin Huang, Nan Ma, Ganzhen Chen, Zilin Wang, Yuzhi Jin, Jing Cai, Yuxuan Zhang, Xuguang Chi, Bruna A. Holanda, Jia Xing, Tengyu Liu, Ximeng Qi, Qiaoqiao Wang, Christopher Pöhlker, Hang Su, Yafang Cheng, Shuxiao Wang, Jiming Hao, Meinrat O. Andreae and Aijun Ding ()
Additional contact information
Jiandong Wang: Nanjing University of Information Science and Technology
Jiaping Wang: Nanjing University
Runlong Cai: University of Helsinki
Chao Liu: Nanjing University of Information Science and Technology
Jingkun Jiang: Tsinghua University
Wei Nie: Nanjing University
Jinbo Wang: Nanjing University
Nobuhiro Moteki: The University of Tokyo
Rahul A. Zaveri: Pacific Northwest National Laboratory
Xin Huang: Nanjing University
Nan Ma: Jinan University
Ganzhen Chen: Nanjing University of Information Science and Technology
Zilin Wang: Nanjing University
Yuzhi Jin: Nanjing University of Information Science and Technology
Jing Cai: University of Helsinki
Yuxuan Zhang: Nanjing University
Xuguang Chi: Nanjing University
Bruna A. Holanda: Max Planck Institute for Chemistry
Jia Xing: Tsinghua University
Tengyu Liu: Nanjing University
Ximeng Qi: Nanjing University
Qiaoqiao Wang: Jinan University
Christopher Pöhlker: Max Planck Institute for Chemistry
Hang Su: Max Planck Institute for Chemistry
Yafang Cheng: Max Planck Institute for Chemistry
Shuxiao Wang: Tsinghua University
Jiming Hao: Tsinghua University
Meinrat O. Andreae: Max Planck Institute for Chemistry
Aijun Ding: Nanjing University

Nature Communications, 2023, vol. 14, issue 1, 1-8

Abstract: Abstract Black carbon (BC) plays an important role in the climate system because of its strong warming effect, yet the magnitude of this effect is highly uncertain owing to the complex mixing state of aerosols. Here we build a unified theoretical framework to describe BC’s mixing states, linking dynamic processes to BC coating thickness distribution, and show its self-similarity for sites in diverse environments. The size distribution of BC-containing particles is found to follow a universal law and is independent of BC core size. A new mixing state module is established based on this finding and successfully applied in global and regional models, which increases the accuracy of aerosol climate effect estimations. Our theoretical framework links observations with model simulations in both mixing state description and light absorption quantification.

Date: 2023
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DOI: 10.1038/s41467-023-38330-x

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