[Yao, Yu;Wu, Ji;Li, Jiang-xia;Chen, Long] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China.^[Yao, Yu;Li, Jiang-xia;Chen, Long] Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.