Financial support from the National Science Fund for Distinguished Young Scholars (Grant No.41225011);the NSFC (Grant No. 41272346);the Information technology project of the Department of transportation (2014364J03090);the STS project of Chinese Academy of Sciences (project No. KFJ-EW-STS-094)
Natural damming of rivers by mass movements is a very common and potentially dangerous phenomena which has been documented all over the world. In this paper, a two-layer model of Savage-Hutter type is presented to sim...