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Aerosol and monsoonclimate interactionsover Asia Zhanqing LiW. K.‐M. LauV. Ramanathan2016 год

Aerosol and monsoon climate interactions over Asia
статья из журнала

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Аннотация: Abstract The increasing severity of droughts/floods and worsening air quality from increasing aerosols in Asia monsoon regions are the two gravest threats facing over 60% of the world population living in Asian monsoon regions. These dual threats have fueled a large body of research in the last decade on the roles of aerosols in impacting Asian monsoon weather and climate. This paper provides a comprehensive review of studies on Asian aerosols, monsoons, and their interactions. The Asian monsoon region is a primary source of emissions of diverse species of aerosols from both anthropogenic and natural origins. The distributions of aerosol loading are strongly influenced by distinct weather and climatic regimes, which are, in turn, modulated by aerosol effects. On a continental scale, aerosols reduce surface insolation and weaken the land‐ocean thermal contrast, thus inhibiting the development of monsoons. Locally, aerosol radiative effects alter the thermodynamic stability and convective potential of the lower atmosphere leading to reduced temperatures, increased atmospheric stability, and weakened wind and atmospheric circulations. The atmospheric thermodynamic state, which determines the formation of clouds, convection, and precipitation, may also be altered by aerosols serving as cloud condensation nuclei or ice nuclei. Absorbing aerosols such as black carbon and desert dust in Asian monsoon regions may also induce dynamical feedback processes, leading to a strengthening of the early monsoon and affecting the subsequent evolution of the monsoon. Many mechanisms have been put forth regarding how aerosols modulate the amplitude, frequency, intensity, and phase of different monsoon climate variables. A wide range of theoretical, observational, and modeling findings on the Asian monsoon, aerosols, and their interactions are synthesized. A new paradigm is proposed on investigating aerosol‐monsoon interactions, in which natural aerosols such as desert dust, black carbon from biomass burning, and biogenic aerosols from vegetation are considered integral components of an intrinsic aerosol‐monsoon climate system, subject to external forcing of global warming, anthropogenic aerosols, and land use and change. Future research on aerosol‐monsoon interactions calls for an integrated approach and international collaborations based on long‐term sustained observations, process measurements, and improved models, as well as using observations to constrain model simulations and projections.
Год издания: 2016
Авторы: Zhanqing Li, W. K.‐M. Lau, V. Ramanathan, Guoxiong Wu, Yihui Ding, M. G. Manoj, Jianglai Liu, Yun Qian, Jianping Li, Tianjun Zhou, Jiwen Fan, Daniel Rosenfeld, Yi Ming, Yuan Wang, Jianping Huang, B. Wang, Xiaoguang Xu, Soobong Lee, Maureen Cribb, Fang Zhang, Xin Yang, Chuanfeng Zhao, Toshihiko Takemura, Kaicun Wang, Xiangao Xia, Yixing Yin, Hua Zhang, Jianping Guo, Panmao Zhai, Nobuo Sugimoto, S. Suresh Babu, Guy Brasseur
Издательство: Wiley
Источник: Reviews of Geophysics
Ключевые слова: Atmospheric aerosols and clouds, Atmospheric chemistry and aerosols, Atmospheric Ozone and Climate
Другие ссылки: Reviews of Geophysics (PDF)
Reviews of Geophysics (HTML)
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (HTML)
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (HTML)
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (HTML)
MPG.PuRe (Max Planck Society) (PDF)
MPG.PuRe (Max Planck Society) (HTML)