Investigation Methods of Mountain Torrent Disaster in Wulian County of Shandong Province

摘要

Mountain flood disaster investigation and evaluation is the essential work of mountain flood disaster prevention. It is also an important guarantee and basic support of flash flood forecast and warning. Wulian County of Shandong province is one of the prevention and control areas in "National flood disaster prevention planning", and the first batch of pilot counties on investigating and assessing torrential flood disaster in Shandong. Taking the typical small watershed of Wulian County as an example, the investigation and evaluation method of mountain torrent disaster is expounded. The results of mountain flood disaster investigation are given. Based on the work flow of mountain torrent disaster investigation and evaluation, the basic situation of typical small watershed - Wulian County-Panlong River watershed, the preliminary results of investigation of typical villages along the river are given, and the main field investigation of mountain torrent disaster is analyzed. Experience and existing problems provide reference for other areas of mountain torrents.