报告时间、地点：2014年12月29日下午14:30-16:30 附3-202报告厅
报告题目：A statistical physics approach for radiative transfer in complex medium
报告摘要：Direct numerical simulation approaches such as three-dimensional (3D) Monte Carlo methods, have been widely used to study transport problems in complex medium when the detailed 3D structure of the medium is known. For applications like climate modeling and satellite remote sensing, such knowledge is often absent or at best available in a statistical sense. Using a statistical-physics-like approach, called direct statistical simulation here, I develop a simple one-dimensional transport theory for complex 3D medium whose solution is the mean radiation itself. The heart of the theory is using a spatial correlation function to encode information about the unresolved spatial variability and structure of the medium. We show that the new theory, with several orders less computational cost, is able to faithfully describe sub-pixel radiation-medium interactions and reproduce the results of expensive 3D simulations. It is thus offers a plausible way to physically account for sub-pixel heterogeneity in remote sensing applications.
报告人简介：
黄栋博士主要研究领域：遥感、气候变化。2009年成为美国能源部布鲁克海文国家实验室的预备终身助理研究员，2011年、2014年分别被提升为副研究员、研究员。以项目负责人或者子项目负责人的身份主持或参与了多个能源部的重大研究项目。是二十多家专业期刊的审稿人，担任美国能源部科学办公室等多个研究部门的项目基金评委。以第一作者发表SCI论文12篇，其中SCI一区2篇。
