学术沙龙-科学计算专题第四期活动公告

发布者:系统管理员发布时间:2017-11-06浏览次数:121

报告题目:Simulation of Soil Frost and Thaw Fronts Dynamics with Land Surface Model

 

报告时间:2017118日(周三)  下午:1:30-2:30

 

报告地点:尚贤楼706

 

报告人:高骏强博士

 

主持人:王廷春副教授

 

欢迎各位老师和同学踊跃参加!

 

数学与统计学院

 

2017116

 

报告摘要:In this study, a two-directional freeze and thaw algorithm for simulating FTFs is incorporated into the Community Land Model version 4.5 (CLM4.5), which is called CLM4.5_FTF. The simulated FTFs depth of CLM4.5_FTF compared well with the observed data both in D66 station (permafrost) and Hulugou station (seasonally frozen ground). The maximum of simulated thaw front depth in permafrost is defined as simulation of active layer thickness (ALT), and the simulated ALTs are in general agreement but a little larger with the observation from CALM program. And we simulate the distribution of different types of frozen soil in China and the permafrost in northern hemisphere, which are very similar to the frozen soil map of China and the International Permafrost Association map. These results show that the incorporated model performs well in FTFs simulation, and we investigate the freeze and thaw cycle conditions of the ground in globe from 1970 to 2010 using this model.

 

报告人简介:高骏强,工学博士,2012-2017年于华北电力大学控制与计算机工程学院硕博连读,在罗振东教授的指导下,主要研究基于POD降阶的偏微分方程有限差分外推算法;2013.12-2017.06年于中国科学院大气物理研究所LASG国家重点实验室,在谢正辉研究员的指导下,研究陆面过程模式发展、冻融界面模拟与陆面过程模式的耦合。20177月至今,在南京信息工程大学数统学院任教。已在知名SCI期刊Computer Methods in Applied Mechanics and EngineeringJournal of Mathematical Analysis and ApplicationsApplied Mathematics and MechanicsBoundary Value Problems上发表5篇学术论文。