PDF(Pubmed)
Abstract：
This report estimated the loss of life and the variation of risk level to people and properties from the city of São José do Jacuípe, at Bahia State, in Brazil, through a simulation of the dam break near the city. The simulations employ the HEC-RAS program with the HEC-GeoRAS plugin, both made available by the U.S. Army Corps of Engineers. The program is a hydrological model for the hydric flow propagation arising from the complete resolution of the Saint-Venant equation, while the plugin was used for vector editing by creating a geomorphological model from the river basin. The results from the research demonstrated that the city is exposed to a risk that is time dependent. In addition, the lack of a warning system about a possible break could cause the death of almost all residents. Otherwise, with a warning system operating, the estimation of destruction would be dramatically reduced.
摘要：
这份报告估计了圣若泽·杜亚奇佩市的人员和财产的生命损失和风险水平的变化，在巴伊亚州,在巴西,通过模拟城市附近的大坝断裂。模拟采用HEC-RAS程序和HEC-GeoRAS插件，两者都由美国陆军工程兵团提供。该程序是由Saint-Venant方程的完整分辨率引起的水水流传播的水文模型，而该插件通过从流域创建地貌模型来用于矢量编辑。研究结果表明，这座城市面临着时间依赖的风险。此外,缺乏关于可能休息的警告系统可能导致几乎所有居民死亡。否则,随着警告系统的运行，对破坏的估计将大大减少。
