中国科学院 | 大气所 | 网站地图 | 加入收藏
首 页  | | | 论文论著 | | 科学传播 | English  
  学术报告
学术报告
学术报告 您当前所在的位置: 首页 > 学术报告 > 学术报告
CSSP MESETA - Simulation of the East Asian Summer Monsoon with Idealized Tibetan Plateau Orography
来源:LASG    访问次数:    报告时间:2017-3-1
【报告人】        Kai Chi Wong
【报告人单位】National Centre for Atmospheric Science, University of Reading, UK
【报告时间】    2017年3月1日(星期三)10:00
【报告地点】    科研楼303会议室
【报告简介】    

The CSSP MESETA is a research project focuses on the role of Tibetan Plateau (TP) in shaping the climate of Asia. Motivated by the recent debate on the relative importance of elevated heating from TP versus orographic blocking provided by the Himalayas in maintaining the South Asian summer monsoon (SASM), MESETA work package A aims to further investigate TP’s orographic forcing on the dynamic and thermodynamic structures of regional and downstream climate.

Using the UK Met Office HadGEM3 model in its atmosphere only configuration, various experiments with idealised orography were performed to assess the orographic forcing exerted by the TP, Himalayas (HM) and Iranian Plateau (IP). Our results confirm that elevated heating from the TP is indeed not required to maintain the SASM while the HM and IP are both important in sheltering the Indian landmass from the cooler extratropical airmass. Meanwhile, the East Asian summer monsoon weakens in all simulations that removed the TP. Whether this is due to the lack of elevated heating or orographic blocking will be the focus of future investigation. This work contributes to the goals of the Global Monsoon Model Intercomparison Project (GMMIP), an endorsed component of CMIP6.

 
© 1997-2010 大气科学和地球流体力学数值模拟国家重点实验室 版权所有 京ICP备06004370号
北京9804信箱LASG 邮编:100029 传真:82995172