浙江省是我国以山地为主的省份之一,素有“七山一水二分田”之称。近年来,浙江省台风汛期期间小流域集中强降雨引发小流域泥石流等地质灾害频繁发生,造成重大人员伤亡和财产损失。据省国土资源厅调查统计,全省48个县(市、区)共发生沟谷泥石流 Zhejiang Province is one of the provinces in China that is mainly mountainous and is known as “seven mountains and one water two sub-fields”. In recent years, geological disasters such as debris flow caused by concentrated heavy rainfall in small watershed during typhoon flood season in Zhejiang Province have been frequent, resulting in heavy casualties and property losses. According to the investigation and statistics of the Provincial Land and Resources Department, 48 valley counties (cities and districts) in the province have had the mud and debris flow