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FLOOD ROUTING MODEL OF DENGKENG RIVER WITH COMBINATION O’DONNEL AND MUSKINGUM-CUNGE METHOD AND MUSKINGUM EXTENDED METHOD

机译:邓肯河O型隧道与MUSKINGUM-CUNGE方法和MUSKINGUM扩展方法结合的洪水路由模型。

摘要

Flood routing model aims to estimate the stream hydrograph on a river. The required data for Muskingum method analysis are upstream and downstream hydrographs. With those data, it should be able to make some flood routing models. Problems that usually come up are unavailability of measured hydrograph streaming data in upper or down stream on a river. The method doesn’t calculate any tributaries. Flood routing models consider the minor stream that converging to major stream is flood routing model of Dengkeng river with Combination O’donnel and Muskingum-Cunge Method and Muskingum Extended Method. This research aims to determine the suitability model of the result simulation hydrograph and observation hydrograph using both methods.udThe research was a descriptive-quantitative analysis. Analysis research usedO’Donnel dan Muskingum-Cunge Combination Method and Muskingum Extended Method. Upstream hydrograph is estimated with HSS Gama I method. Location of this research in Dengkeng River, Klaten, Central Java. Data was obtained by Balai Besar Wilayah Sungai Surakarta, PSDA Department and Perum Jasa Tirta I Surakarta.udResult of flood routing model by using O’Donnel dan Muskingum-Cunge combination method and measured hydrograph of observation on May 1udst, 2011 were ∆Qp =27,79%; ∆V =59,20% and ∆tc=22,22%, on December 20th, 2011 were ∆Qp=2,82%; ∆V=69,58%; ∆tc=25%. Result of flood routing model by using Muskingum Extended method on May 1st, 2011 were ∆Qp=30,17%; ∆V=13,78%; and ∆tc=62,5%, on December 20th, 2011 were ∆Qp =5,5%; ∆V=67,44%; and ∆tc=22,22%. Both methods are not recommended to use for Dengkeng Watershed because the hydrograph simulation result of both methods have a significant dissimilarity with the result of measured hydrograph by observation.udKeyword : Flood Routing, Dengkeng River, suitability model.
机译:洪水路由模型旨在估算河流上的河流水位。 Muskingum方法分析所需的数据是上游和下游水位图。利用这些数据,它应该能够建立一些洪水路由模型。通常出现的问题是河流上游或下游的测量水文流数据不可用。该方法不会计算任何支流。洪水演算模型认为将小溪汇合到主流是邓肯河的洪水演算模型,结合了O'donnel和Muskingum-Cunge方法和Muskingum扩展方法。本研究旨在通过两种方法确定结果模拟水文图和观测水文图的适用性模型。 ud本研究是描述性定量分析。分析研究使用了O'Donnel dan Muskingum-Cunge组合方法和Muskingum扩展方法。用HSS Gama I方法估算上游水位。这项研究的地点在中爪哇省克拉登的登坑河。数据由PSDA部门Balai Besar Wilayah Sungai Surakarta和Perum Jasa Tirta I Surakarta获得。 ud使用O'Donnel dan Muskingum-Cunge组合方法和2011年5月1日测得的实测水文图得出的洪水演进模型结果为∆ Qp = 27,79%;于2011年12月20日,∆V = 59,20%和∆tc = 22,22%,∆Qp = 2,82%; ∆V = 69.58%; Δtc= 25%。 2011年5月1日采用Muskingum扩展法进行洪水演算模型的结果为∆Qp = 30,17%。 ∆V = 13.78%;和∆tc = 62.5%,2011年12月20日的∆Qp = 5.5%; ∆V = 67.44%;和∆tc = 22,22%。不建议将这两种方法都用于Dengkeng流域,因为这两种方法的水文模拟结果与实测水文观测结果有很大的差异。 ud关键字:Dengkeng River,洪水路线,适宜性模型。

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