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首页> 外文期刊>MATEC Web of Conferences >Study of flood characteristic in Cikalumpang River by using 2D flood model
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Study of flood characteristic in Cikalumpang River by using 2D flood model

机译：基于二维洪水模型的奇卡卢蓬邦河洪水特征研究

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摘要

Flood is one of the natural disasters that occur in Indonesia frequently. At least there are 8.498 occurrences since 1980 through Indonesia. In order to prevent and resolve that natural disaster, some actions should be done. To know the best solution to solve flood, we should know the flood characteristic (what causes it, the inundation area, the height, how long it occurs, and etc.). The characteristic of flood will be easily known only when the flood occurs. Thus, it is necessary to build a model with high accuracy. The model was obtained by re-modeling the inundation incident that happened on March 7~(th), 2018, and validated with observed data from several locations in that period. The result shows a good agreement with the observed data. This is evident from the extent and depth of the puddle from the modeling results similar to the value of field observation data. From the results, it can be concluded that the Cikalumpang River model has been obtained with a good correlation. From field observations, it is known that flooding is caused by quite complex problems, such as decreasing river capacity due to illegal building construction, sedimentation, land cover change, and climate change.
机译：洪水是印度尼西亚经常发生的自然灾害之一。自1980年以来，至少通过印度尼西亚发生了8.498次。为了预防和解决该自然灾害，应采取一些行动。要了解解决洪水的最佳解决方案，我们应该知道洪水的特征（造成洪水的原因，淹没面积，高度，发生的时间等）。仅在发生洪水时才容易知道洪水的特征。因此，有必要建立高精度的模型。该模型是通过对2018年3月7日至2018年3月7日发生的淹没事件进行重新建模而获得的，并使用该时期多个地点的观测数据进行了验证。结果表明与观测数据吻合良好。从类似于实地观测数据值的建模结果得出的水坑的范围和深度可以明显看出这一点。从结果可以得出结论，Cikalumpang河模型已经获得了很好的相关性。从现场观察中可以知道，洪水是由相当复杂的问题引起的，例如由于非法建筑施工，沉积，土地覆盖变化和气候变化导致河流流量减少。

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