Articles | Volume 18, issue 17
https://doi.org/10.5194/acp-18-12683-2018
https://doi.org/10.5194/acp-18-12683-2018
Research article
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31 Aug 2018
Research article | Highlight paper |  | 31 Aug 2018

Radiative feedbacks of dust in snow over eastern Asia in CAM4-BAM

Xiaoning Xie, Xiaodong Liu, Huizheng Che, Xiaoxun Xie, Xinzhou Li, Zhengguo Shi, Hongli Wang, Tianliang Zhao, and Yangang Liu

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Cited articles

Albani, S., Mahowald, N. M., Delmonte, B., Maggi, V., and Winckler, G.: Comparing modeled and observed changes in mineral dust transport and deposition to Antarctica between the Last Glacial Maximum and current climates, Clim. Dynam., 38, 1731–1755, https://doi.org/10.1002/2013MS000279, 2012. 
Albani, S., Mahowald, N. M., Perry, A. T., Scanza, R. A., Zender, C. S., Heavens, N. G., Maggi, V., Kok, J. F., and Otto-Bliesner, B. L.: Improved dust representation in the Community Atmosphere Model, J. Adv. Model. Earth Sy., 6, 541–570, https://doi.org/10.1002/2013MS000279, 2014. 
Ahn, H. J., Park, S. U., and Chang, L. S.: Effect of direct radiative forcing of Asian dust on the meteorological fields in east Asia during an Asian dust event period, J. Appl. Meteorol. Clim., 46, 1655–1681, 2007. 
Boos, W. R. and Kuang, Z.: Dominant control of the South Asian monsoon by orographic insulation versus plateau heating, Nature, 463, 218–222, 2010. 
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This study extends our previous investigation in dust–radiation interactions to investigate SRF and its feedbacks on the regional climate and the dust cycle over east Asia by use of the CAM4-BAM. Our results show that SRF increases the east Asian dust emissions significantly by 13.7 % in the spring, in contrast to −7.6 % of decreased dust emissions by DRF. Hence, a significant feature of SRF on the Tibetan Plateau can create a positive feedback loop to enhance the dust cycle over east Asia.
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