Characteristics of Rainstorm and Flood Disaster in Shaoyang City and Flood Protection Countermeasures

摘要

Based on ground meteorological observation data at 10 representative stations of Shaoyang City during 1951-2017 and rainfall data at over 220 automatic weather stations during 2005-2017,statistical analysis on rainstorm and flood disaster in Shaoyang was conducted. Occurrence characteristics and rule of rainstorm and flood disaster were found,and disaster situation was evaluated and analyzed. The results showed that( 1)there was almost local rainstorm and flood in Shaoyang City every year,with strong seasonal characteristic.( 2) The loss caused by rainstorm and flood disaster was the most serious in various meteorological disasters.( 3) Rainstorm and flood disaster generally had the sudden and devastating characteristics. Via the analysis and research on rainstorm and flood disaster,defense measure and countermeasure of rainstorm and flood were proposed,which could provide scientific decision basis for party and government leading flood relief,and had important guidance significance for preventing and mitigating disasters by government agencies.