报告题目：The fluid mechanics of surface-atmosphere interaction 

　　报告人：Li  Dan   

　　报告人简介： Dr. Dan Li is an Assistant Professor in the Department of Earth and Environment at Boston University. He received his Bachelor degree in Hydraulic Engineering in 2009 from Tsinghua University and his PhD in Civil and Environmental Engineering in 2013 from Princeton University. Before joining BU, he worked as a postdoctoral research associate in the Program of Atmospheric and Oceanic Sciences at Princeton University and as a visiting scientist in the Geophysical Fluid Dynamics Laboratory. 

　　The importance of surface-atmosphere interaction (e.g., land-atmosphere interaction and air-sea interaction) is rarely disputed. However, our understanding of these interacting processes remains to be advanced. In this presentation, I will talk about surface-atmosphere interaction from the perspective of fluid mechanics. In particular, I will focus on two important concepts: the Monin-Obukhov similarity theory and the roughness length, which are the foundation for nearly all parameterizations of surface-atmosphere interaction in numerical models. The universality of Monin-Obukhov similarity functions and the scaling of thermal roughness length with respect to the Reynolds number will be discussed.   

　　报告时间：2017年6月30日（周五）上午9:00 

　　报告地点：中科院地理资源所地理科学馆 411 会议室 

　　主持人：汤秋鸿 研究员  

　　欢迎各位老师和同学光临交流！