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Determinants of Flooding and Strategies for Mitigation: Two-Year Case Study of Benin City

机译：洪水的决定因素和缓解策略：贝宁市的两年案例研究

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Recent flood disasters in Benin City, Nigeria have claimed a number of lives, damaged property, and threatened the overall livelihood of residents. The economic burden of such events has forced a vast reallocation of monetary resources for clean-up and recovery, as well as forcibly altered and suspended internal trade via devastated transportation routes. Secondary trends include inflation and migration concerns. As a result, the aim has been to prioritize mitigation by examining easily read, rapidly accessible flood hazard maps, as well as assess and identify areas within the city prone to flooding. We used a number of data sources and conducted a questionnaire surveying three of the local government areas of Benin City over a two-year period. Findings indicate excessive unsustainable land use and land cover change and a flat and high water table area with close proximity to the Atlantic Ocean make the city susceptible to flood risk. Heavy rainfall and drainage system blockage are leading causes of flooding which have destroyed property and houses—two major side effects. A number of mitigation and disaster risk reduction measures were, hereafter, recommended to reduce flooding occurrence in Benin City or lessen its effects on inhabitants.
机译：尼日利亚贝宁市最近发生的洪水灾害夺去了许多生命，破坏了财产，并威胁着居民的整体生计。此类事件的经济负担迫使人们不得不将大量货币资源重新分配用于清理和恢复，以及通过破坏性的运输路线强行改变和暂停内部贸易。次要趋势包括通货膨胀和移民问题。结果，其目的是通过检查易于阅读，可快速访问的洪水灾害图以及评估和确定城市中容易发生洪水的区域来优先进行缓解。我们使用了许多数据源，并在两年期间对贝宁市的三个地方政府区域进行了调查。调查结果表明，过度的不可持续土地利用和土地覆盖变化以及靠近大西洋的平坦高水位区域使这座城市容易遭受洪水的威胁。暴雨和排水系统的堵塞是洪水的主要原因，洪水已经摧毁了财产和房屋，这是两个主要的副作用。此后，建议采取多种缓解措施和减少灾害风险的措施，以减少贝宁市的洪灾发生或减轻其对居民的影响。

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