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首页> 外文期刊>Journal of Hydroinformatics >Inundation of the ziltendorfer Lowland during the Odra flood 1997 and its impact on the main river - a numerical study
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Inundation of the ziltendorfer Lowland during the Odra flood 1997 and its impact on the main river - a numerical study

机译：1997年Odra洪水期间Ziltendorfer低地的洪水及其对主要河流的影响-数值研究

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摘要

The inundation of the Ziltendorfer Lowland, a farmland polder with some villages, during the major flooding event in July 1997 in the Odra watershed, is simulated with the two-dimensional hydrodynamic model TRIM2D. Inflow and outflow through three consecutive embankment breaches make up a complex flow regime which governs the inundation and the water level in the Odra river, with reasonable assumptions for the dam breach genesis the inundation and depletion are simulated in good agreement with the observed flooding front positions. Simulations with a one-dimensional hydrodynamic model for "dam breach" and "no dam breach" scenarios confirm analytical considerations of an increase of the water level downstream in the main river for the "dam breach" scenario because of an outflow from the Ziltendorfer Lowland into the Odra river during the peak flooding period.
机译：使用二维水动力模型TRIM2D模拟了1997年7月在奥德拉河流域发生的大洪灾期间Ziltendorfer Lowland（一个有一些村庄的农田田）的泛滥。通过连续三个路堤溃坝的流入和流出组成一个复杂的水流状态，控制着奥德拉河的洪水和水位，合理地假设了大坝溃坝的发生是根据与所观察到的洪水前线很好地模拟了洪水和枯竭的过程。 。对于“大坝冲破”和“无大坝冲破”方案，使用一维水动力模型进行的仿真证实了“大坝冲破”方案中主要河流下游水位升高的分析考虑，这是由于Ziltendorfer低地的流出在洪灾高峰期进入奥得河。

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