Rainfall connection between southwestern Tibetan Plateau and Indian subcontinent

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• 作者：Wenhao DongYanluan LinYuanyu XieBin Wang
• 会议时间：2014-10-01
• 关键词：Tibetan Plateau ; Summer rainfall ; Convection
• 作者单位：Wenhao Dong,Yanluan Lin,Yuanyu Xie(Ministry of Education Key Laboratory for Earth System Modeling, Center of Earth System Sciences, Tsinghua University, Beijing, China)Bin Wang(Ministry of Education Key Laboratory for Earth System Modeling, Center of Earth System Sciences, Tsinghua University, Beijing, China;State Key Laboratory of Numerical Modeling for Atmospheric Science and Geophysical Fluid Dynamics,Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China)
• 母体文献：第一届中国大地测量和地球物理学学术大会论文集
• 会议名称：第一届中国大地测量和地球物理学学术大会
• 会议地点：北京
• 主办单位：中国测绘学会
• 语种：chi

摘要

Despite its importance for glacier mass balance and water budget (Tao et al.1991; Yao et al.2012),future precipitation and hydrological cycle change over the Tibetan Plateau remains elusive.Precipitation over Tibet Plateau (TP) is complex and homogeneous in the spatial distribution.Efforts to analyze its probable control systems have been made.Accepted concept is that precipitation over TP is mainly regulated by tropical monsoon activities.Here,using multiple precipitation datasets and climate model simulations,summer (June to September) precipitation over the TP and Indian subcontinent is investigated.For the first time,we note a close link of rainfall variability over southwestern Tibetan Plateau (SWTP) and central-eastern India.The rainfall came across the mountain area is a possible driver of past and future rainfall variability over SWTP.Besides,the study implies that future rainfall change in SWTP will follow that over the Indian continent and reinforces our confidence on proj ected precipitation change over SWTP.