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从双ITCZ现象窥见海气耦合动力学的发展
来源:LASG    访问次数:    报告时间:2017-11-23
【报告人】        Prof. Shangping Xie
【报告人单位】Scripps Institution of Oceanography, USA
【报告时间】    2017年11月23日(星期四)10:00
【报告地点】    科研楼101会议室
【报告简介】    

Prof. Shangping Xie’s research centers on ocean-atmosphere interactions and their role in climate formation, variability, and change. The ocean's importance for climate is evident from the facts that most of solar radiation absorption occurs at the Earth surface and that the ocean occupies seventy percent of the Earth surface. Examples of ocean-atmosphere interaction effects are abundant, including the spontaneous generation of El Nino/Southern Oscillation (ENSO), and the northward-displaced tropical rain band called the Intertropical Convergence Zone (ITCZ) in the eastern Pacific and Atlantic. His research contributes to answering such fundamental questions as what determines the spatial distributions of climate, why it varies in time, how preferred patterns of climate variability form, and how predictable climate is.

He carries out both diagnostic and modeling studies, using observations and numerical models of the ocean, atmosphere, and their coupled system. Geographically, my work covers all three major oceans of the Pacific, Atlantic, and Indian, and monsoons of Asia, Africa, and the Americas. Our research has led to the formulation of wind-evaporation-sea surface temperature (WES) feedback mechanism and the Indian Ocean capacitor effect, the "warmer-get-wetter" idea for rainfall change in global warming, and the discovery of what Science magazine called the longest island wake of the world. The WES feedback is important for the northward displacement of the ITCZ and the tropical meridional mode. For more information, please see a narrative overview.

Prof. Shangping Xie’homepage: http://scrippsscholars.ucsd.edu/sxie/

 
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