Why do models perform differently on particulate matter over East Asia? A multi-model intercomparison study for MICS-Asia III

Tan, Jiani; Fu, Joshua S.; Carmichael, Gregory R.; Itahashi, Syuichi; Tao, Zhining; Huang, Kan; Dong, Xinyi; Yamaji, Kazuyo; Nagashima, Tatsuya; Wang, Xuemei; Liu, Yiming; Lee, Hyo-Jung; Lin, Chuan-Yao; Ge, Baozhu; Kajino, Mizuo; Zhu, Jia; Zhang, Meigen; Liao, Hong; Wang, Zifa

doi:10.5194/acp-20-7393-2020

Articles | Volume 20, issue 12

https://doi.org/10.5194/acp-20-7393-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Regional assessment of air pollution and climate change over...

https://doi.org/10.5194/acp-20-7393-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 12

Research article

|

25 Jun 2020

Research article |

| 25 Jun 2020

Why do models perform differently on particulate matter over East Asia? A multi-model intercomparison study for MICS-Asia III

Jiani Tan, Joshua S. Fu, Gregory R. Carmichael, Syuichi Itahashi, Zhining Tao, Kan Huang, Xinyi Dong, Kazuyo Yamaji, Tatsuya Nagashima, Xuemei Wang, Yiming Liu, Hyo-Jung Lee, Chuan-Yao Lin, Baozhu Ge, Mizuo Kajino, Jia Zhu, Meigen Zhang, Hong Liao, and Zifa Wang

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Short summary

This study evaluated the performance of 12 chemical transport models from MICS-Asia III for predicting the particulate matter (PM) over East Asia. Four model processes were investigated as the possible reasons for model bias with measurements and the factors causing inconsistent predictions of PM from different models: (1) model inputs, (2) gas–particle conversion, (3) dust emission modules and (4) removal mechanisms (wet and dry depositions). The influence of each process was discussed.


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