Heavy rainfall induced landslides in Bac Kan and Binh Dinh provinces
Landslidcs is onc o f the most scvcrc hazard in Vietnani, iimong that a major numbcr of laiìdslides arc induced by hcavy raiiifall The papcr dcals with hcavy rainfall induccs shallow laiìdslidcs at tlic cxcavatcd slopcs in Bac Kan provincc and at the natural slopcs in Binh Dinh provincc. Landslidcs in Bac Kaii can liappcn whcn Uic amount of rainíall is 180111111 conlinuously. Landslides o f natural slopcs in Binh Dinh can only occur whcn raiiifall niakcs tlic slopes almost saturated. This can happcn whaithc amount of aiiifall rcach ovcr I260mm. Landslides induccd by hcavy rainfalỉ also dcpaid on ữie initial water contcnt (i.e. antcccdcnt rainfall), gcological scttings, and plant cover. Thcrcforc rainĩall paUi and critical rainfall can vary in a givcn rangc in a placc, and can vary widcly from place to place.
