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The change of channel storage capacity is an important content of river evolution analysis. In the past, the section method was mostly used for simplified calculation. However, in the complex river pattern with multistage branching or tributaries, the section method often needs to be dealt with separately, and the calculation efficiency is low. By introducing the water surface width ratio of the branching channel, optimizing the distribution of the calculated area of the section at the branching point, adding the section, estimating the storage capacity of the channel in the missing section near the tributary estuary, and using the topographic method to restore the section spacing under different water levels, the calculation model of the section method under the complex river pattern is improved. The comparison results show that the calculation accuracy of tank storage capacity is greatly improved by using the above method, which can provide a reference for batch calculation of tank storage capacity under various complex river types.

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河道槽蓄量变化是河道演变分析的重要内容,以往多采用断面法进行简化计算,但在多级分汊或有支流汇入的复杂河型中,断面法通常需人工单独处理,计算效率较低。通过引入分汊河道水面宽度比,优化分汊处断面计算面积的分配、增补断面估算支流河口附近漏测区间槽蓄量、采用地形法还原不同水位下断面间距等方法改进后,实现了槽蓄量批量运算。对比结果表明,改进方法大幅提高了槽蓄量计算效率及精度,可为各类复杂河型下的槽蓄量批量运算提供参考。

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沈健(1985-),男,硕士、高级工程师,研究方向为河道演变分析,E-mail:
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原松(1983-),男,硕士、高级工程师,研究方向为水利信息化,E-mail:

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复杂河型下槽蓄量计算模式改进方法研究
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原松 1 , 沈健 2
水电能源科学 | 水文水资源与环境 2023,41(8): 23-26
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水电能源科学 | 水文水资源与环境 2023, 41(8): 23-26
复杂河型下槽蓄量计算模式改进方法研究
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原松1 , 沈健2
作者信息
  • 1.长江水利委员会水文局,湖北 武汉 430010
  • 2.长江水利委员会水文局荆江水文水资源勘测局,湖北 荆州 434000
  • 原松(1983-),男,硕士、高级工程师,研究方向为水利信息化,E-mail:

通讯作者:

沈健(1985-),男,硕士、高级工程师,研究方向为河道演变分析,E-mail:
Study on Improved Method of Calculation Model of Storage Capacity of Complex River Pattern
Song YUAN1 , Jian SHEN2
Affiliations
  • 1.Bureau of Hydrology, Changjiang Water Resources Commission, Wuhan 430010, China
  • 2.Jingjiang Bureau of Hydrology and Water Resources Survey, Changjiang Water Resources Commission, Jingzhou 434000, China
出版时间: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20230429
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河道槽蓄量变化是河道演变分析的重要内容,以往多采用断面法进行简化计算,但在多级分汊或有支流汇入的复杂河型中,断面法通常需人工单独处理,计算效率较低。通过引入分汊河道水面宽度比,优化分汊处断面计算面积的分配、增补断面估算支流河口附近漏测区间槽蓄量、采用地形法还原不同水位下断面间距等方法改进后,实现了槽蓄量批量运算。对比结果表明,改进方法大幅提高了槽蓄量计算效率及精度,可为各类复杂河型下的槽蓄量批量运算提供参考。

复杂河型  /  多级分汊河道  /  断面间距  /  河道槽蓄量

The change of channel storage capacity is an important content of river evolution analysis. In the past, the section method was mostly used for simplified calculation. However, in the complex river pattern with multistage branching or tributaries, the section method often needs to be dealt with separately, and the calculation efficiency is low. By introducing the water surface width ratio of the branching channel, optimizing the distribution of the calculated area of the section at the branching point, adding the section, estimating the storage capacity of the channel in the missing section near the tributary estuary, and using the topographic method to restore the section spacing under different water levels, the calculation model of the section method under the complex river pattern is improved. The comparison results show that the calculation accuracy of tank storage capacity is greatly improved by using the above method, which can provide a reference for batch calculation of tank storage capacity under various complex river types.

complex river types  /  branching channel  /  section spacing  /  channel storage capacity
原松, 沈健. 复杂河型下槽蓄量计算模式改进方法研究. 水电能源科学, 2023 , 41 (8) : 23 -26 . DOI: 10.20040/j.cnki.1000-7709.2023.20230429
Song YUAN, Jian SHEN. Study on Improved Method of Calculation Model of Storage Capacity of Complex River Pattern[J]. Water Resources and Power, 2023 , 41 (8) : 23 -26 . DOI: 10.20040/j.cnki.1000-7709.2023.20230429
  • 长江水科学联合研究基金项目(U2240224; U2240206)
  • 长江委水文局科技创新基金(SWJ-CJX23Z03)
2023年第41卷第8期
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doi: 10.20040/j.cnki.1000-7709.2023.20230429
  • 接收时间:2023-03-21
  • 首发时间:2026-01-28
  • 出版时间:2023-08-25
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出版历史
  • 收稿日期:2023-03-21
  • 修回日期:2023-04-06
基金
长江水科学联合研究基金项目(U2240224; U2240206)
长江委水文局科技创新基金(SWJ-CJX23Z03)
作者信息
    1.长江水利委员会水文局,湖北 武汉 430010
    2.长江水利委员会水文局荆江水文水资源勘测局,湖北 荆州 434000

通讯作者:

沈健(1985-),男,硕士、高级工程师,研究方向为河道演变分析,E-mail:
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2种不同金属材料的力学参数

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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
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光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
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