我国因洪水导致死亡的人数中,山洪影响占70%以上。安徽受山洪威胁的7个市39个区县,涉及人口达687万人。由安徽省水务局研究开发的“山洪灾害调查评价关键技术研究与应用”项目历时两年,在2016年大洪水中发挥了重要作用,已申请专利。本项目沿历史洪水、现状防御能力、预警指标体系为主线,体现以“人、户、村落为预警目标”的思想。通过对沿河村落的历史洪水、房屋基础高程与人口关联, Floods caused more than 70% of flood deaths in China. Anhui is affected by flash floods in 39 cities and districts in 7 cities, involving a population of 6870000 people. The project “Research and Application of Key Techniques for Mountain Torrent Disaster Investigation and Evaluation”, researched and developed by Anhui Provincial Bureau of Water Resources, took two years and played an important role in the great flood in 2016 and has applied for a patent. The project is based on historical floods, status quo defense capability and early warning indicator system, which embodies the idea of ​​ “people, households and villages as warning targets ”. Through the history of the river along the village flood, housing base elevation and population,