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首页> 外文期刊>KSCE journal of civil engineering >Development of a Large Basin Rainfall-Runoff Modeling System Using the Object-oriented Hydrologic Modeling System (OHyMoS)
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Development of a Large Basin Rainfall-Runoff Modeling System Using the Object-oriented Hydrologic Modeling System (OHyMoS)

机译：使用面向对象的水文模拟系统（OHyMoS）开发大型流域降雨-径流模拟系统

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摘要

Development of basin-scale rainfall-runoff modeling systems is essential for integrated water resources management in terms of both assessing management alternatives and real-time resource management. This study developed a distributed rainfall-runoff modeling system based on the Object-oriented Hydrologic Modeling System (OHyMoS) for a large river basin (the Daechung Dam basin, South Korea; 3,994 km~2) that is highly regulated by multipurpose dams. We applied three hydrologic element modules to simulate hillslope runoff, channel runoff, and dam reservoir outflow and then linked these modules together under OHyMoS to simultaneously predict discharges at eight specific outlets. This newly developed rainfall-runoff modeling system generally provided acceptable hydrographs during the typical Korean rainy period from 1 June to 30 September, although the simulated hydrographs for extreme flood events during typhoons and local heavy rainfall were underestimated compared to measured hydrographs. The developed modeling system can be used for water resources planning and management in the Daechung Dam basin and also readily extended to other large basins, such as the whole Geum River basin (9,835 km~2) that includes the Daechung Dam basin, by incorporating sub-basin models into the system.
机译：流域规模的降雨径流模拟系统的开发对于评估综合管理方案和实时资源管理都是至关重要的。本研究基于面向对象的水文模拟系统（OHyMoS）开发了一个分布式河流-径流建模系统，该系统用于大型水库（韩国大成水库盆地； 3,994 km〜2），该水库受到多用途水坝的严格控制。我们应用了三个水文要素模块来模拟坡面径流，河道径流和大坝水库流出，然后在OHyMoS下将这些模块链接在一起，以同时预测八个特定出口处的流量。这种新开发的降雨径流模拟系统通常在6月1日至9月30日的韩国典型雨季期间提供可接受的水文图，尽管与实测水文图相比，台风和局部强降雨期间极端洪水事件的模拟水文图被低估了。所开发的建模系统不仅可以用于大中水库的水资源规划和管理，还可以通过将子程序与子程序结合起来，很容易地扩展到其他大型流域，例如包括大中水库在内的整个锦江流域（9,835 km〜2）。 -盆地模型进入系统。

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