摘要
利用ArcGIS对莆田沿海地区的地形、下垫面属性和排水设施及排水运作方式进行预处理,建立台风降水、风暴潮共同影响下的莆田沿海地区内涝模型。应用雷达估算降水及自动雨量站数据计算的热带气旋"南玛都"过程面雨量,以及此次暴雨过程沿岸海区和河口的时变水位作为模型的边界条件,对莆田地区风暴潮灾害风险进行评估试验。针对2011年9月1日热带气旋"南玛都"造成的莆田沿海地区风暴潮及暴雨灾害,利用暴雨内涝模型进行评估试验研究,将模拟结果与实况灾情进行对比,结果表明模型能够较客观地反映"南玛都"过程降水和风暴潮共同作用的灾害情况。
According to the topography,geomorphology,and drainage system of the Putian coastal area,the Putian Coastal Storm-Surge Torrential-Rain Waterlogging Simulation Model is established,aiming at the influence of both storm surge and typhoon-induced torrential rainfall.Using the area rainfall calculated with the quantitative estimation of precipitation using radar and AWSs,and the boundary conditions of the model based on the dynamic water level set at the coastal border and the estuary,the operational experiment for the risk assessment of storm surge disaster in Putian area was carried out during Typhoon Nanmadol.The model is used in experimental research for the storm surge caused by Typhoon Nanmadol on 1September 2011.These simulation results are directly used in contrasting and assessing the actual disaster caused by Typhoon Nanmadol.The simulation results are close to the actual disaster,which will lay a foundation for risk assessment and division on the typhoon and torrential rain scenarios.
出处
《气象科技》
北大核心
2017年第2期390-397,共8页
Meteorological Science and Technology
基金
淮河流域气象开放研究基金(HRM201501)
福建省气象局开放式气象科学研究基金项目(2014K03)
国家自然科学基金青年基金项目(41305088)
天津市自然科学基金一般项目(16JCBJC21500)资助
