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Influence of Aerosols on Monsoon Circulation and HydroclimateLong recognized as a major environmental hazard, aerosol is now known to have strong impacts on both regional and global water cycles and climate change. In the Asian monsoon regions, the response of the regional water cycle and climate to aerosol forcing is very complex, not only because of presence of diverse mix of aerosol species with vastly different radiative properties, but also because the monsoon is strongly influenced by ocean and land surface processes, land use, land change, as well as regional and global greenhouse warming effects. Thus, sorting out the impacts of aerosol forcing, and interaction with the monsoon water cycle is a very challenging problem. Up to now, besides the general notion that aerosols may significantly impact monsoon through altering large scale radiative heating gradients, there has been very little information regarding the specific signatures, and mechanisms of aerosol-monsoon water cycle interaction. In this talk, based on preliminary results from observations and climate model experiments, I will offer some insights into how aerosols may impact the Asian monsoon water cycle, in particular the effects of absorbing aerosols (dust and black carbon), and the role of the Tibetan Plateau. The influence of aerosol forcing relative to those due to sea surface temperature and land surface processes, and impact on potential predictability of the monsoon climate system will also be discussed.
Document ID
20080032849
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Lau, William K.M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 24, 2013
Publication Date
April 23, 2007
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: Asian Monsoon Year (AMY08) International Workshop
Location: Beijing
Country: China
Start Date: April 23, 2007
End Date: April 25, 2007
Sponsors: Chinese Academy of Geological Sciences
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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