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首页> 外文期刊>International Journal of Geosciences >Extreme Events Assessment Methodology Coupling Debris Flow, Flooding and Tidal Levels in the Coastal Floodplain of the S?o Paulo North Coast (Brazil)
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Extreme Events Assessment Methodology Coupling Debris Flow, Flooding and Tidal Levels in the Coastal Floodplain of the S?o Paulo North Coast (Brazil)

机译：极端事件评估方法，耦合圣保罗北海岸（巴西）沿海洪泛区的泥石流，洪水和潮汐水平

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摘要

The North Coastal Region of the State of S?o Paulo, which comprises the Municipalities of Caraguatatuba, S?o Sebasti?o, Ilhabela and Ubatuba, is one of the most prone to flooding and debris flow deposition Brazilian areas, owing to hydrological extreme rainfall events usually coupled with extreme tidal levels. This risk is also high due to human lives and material assets, with increasing population rates and the establishment of large companies such as the Oil industry, with reduced defense/prevention measures and works.The catastrophic scenario of the city of Caraguatatuba, in March 1967, resulting from one of the most serious natural disasters in Brazil, fosters discussions about probabilities of heavy rainfall-caused events and rise in the sea level in coastal areas. Hence, this research is a consequence of this reality. The research is founded on an innovative methodology based on the analysis of past data of rainfall and tidal stations, complemented with debris flow registers in the region of the north coastal zone of the State of S?o Paulo (Brazil). The anaysis developed involved the meteorological, hydraulic, geotechnical and statistical knowledge areas.Practical results are intended to be used for urban planning, designs of macro-drainage, fluvial, maritime projects and debris flow retention structures. These practical applications will then associate the probability of occurrence of certain types of heavy rainfall-caused events such as flooding or debris flow coupled with a corresponding increase in tidal levels.
机译：由于水文极端因素，圣保罗州北部沿海地区包括卡拉瓜塔图巴，圣塞瓦斯蒂奥，伊利亚贝拉和乌巴图巴市，是巴西最易发生洪水和泥石流沉积的地区之一。降雨事件通常伴随着极端潮汐水平。由于人类的生命和物质资产，人口的增加以及石油工业等大型公司的建立，国防/预防措施和工程的减少，这种风险也很高.1967年3月，卡拉瓜塔图巴市遭受灾难由于是巴西最严重的自然灾害之一，因此引发了关于强降雨引发的事件和沿海地区海平面上升的可能性的讨论。因此，这项研究是这一现实的结果。这项研究基于一种创新的方法，该方法基于对降雨和潮汐站过去数据的分析，并辅以圣保罗州（巴西）北部沿海地区的泥石流记录仪。开展的分析涉及气象，水力，岩土和统计知识领域。实际结果旨在用于城市规划，宏观排水，河流，海事项目和泥石流滞留结构的设计。然后，这些实际应用将关联某些类型的由大降雨引起的事件（如洪水或泥石流）的发生概率，以及相应的潮汐水平上升。

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