螺山

螺山螺山
  1. 为提高螺山站高流量时的预报精度,提出了以水位流量的变幅作为BP网络模型输入和输出的方法。

    In order to improve forecasting precision , this paper brings forward a new method which uses time difference of water level and discharge as input and output .

  2. 将其应用于长江宜昌-螺山段实际洪水演进计算,并且其计算结果与用神经网络模型和基于Q、Z为因变量的水动力学方法计算的结果进行了比较,取得了满意的结果。

    Compared with the results simulated separately by the neural network method and river dynamics method based on the variable of Q and Z. the calculation results of new model are found agreeable .

  3. 长江螺山站水位流量绳套曲线关系预报研究

    Forecasting of stage-discharge relationship of Luoshan on the Yangtze River

  4. 长江螺山站水位预报研究

    Forecasting of Water Level of Luoshan Station on Yangtze River

  5. 输沙量法和地形法计算螺山汉口河段淤积量比较

    Calculation of Deposition in Luoshan-Hankou Reach Using Sediment-transport Balance and Topographic Change Methods

  6. 长江螺山汉口大通三站水位流量关系历年变化分析

    Variation of the stage & discharge curves over years at three Yangtze hydrologic stations

  7. 湖北省螺山船闸输水系统水力试验研究

    Hydraulic Tests and Experiments on Water Conveyance System of Luoshan Ship Lock in Hubei Province

  8. 河道洪水实时预报模型及在寸滩~螺山河段的应用

    Real-time flood forecasting model and its application

  9. 长江中游螺山站'98洪水位偏高原因分析计算

    Analysis and Calculation on Reasons of Increasing 1998-Flood Peak Stage at Luoshan Hydrographic Station of Changjiang River Middle Reach

  10. 由于泥沙被水库拦截,其下游各站输沙量均降低,河道沿程普遍发生冲刷(除监利至螺山段外)。

    The low sediment-content water released from TGP caused long-distance erosion downstream the dam , except the Jianli-Luoshan reach .

  11. 三峡工程蓄水前10年螺山断面泥沙特性浅析

    A Simple Analysis of the Sediment Feature at Luoshan Section During the 10 Years before the Storage of the Three Gorges Project

  12. 调蓄量增大的主要原因是由于螺山至汉口河段的大量淤积,城陵矶附近长江干流的洪水位不断抬升,造成相同水位下洞庭湖出流量大幅度减少。

    The sediment deposition in the reach from Luoshan to Hankou of Yangtze River is the main cause affecting the increment of storage capacity .

  13. 其中螺山站,新厂站需要预报流量,除新厂站以外其余各站,均以水位作为预报对象。

    The flow discharges at Luoshan and Xinchang stations need to be forecasted . All stations except Xinchang station take water level as the object of forecast .

  14. 螺山站高水位流量关系是确定长江城陵矶(莲花塘)控制水位的基本依据。

    The high stage-discharge relation of the Luoshan gauging station is the fundamental basis for determining the control water level of Chenglingji ( Lianhuatang ) of the Yangtze River .

  15. 他站起来提出一项动议。螺山水文站25日出现1953年建站以来第四高水位。

    He rose to move a motion . The water level at Luoshan Hydrometric Station reached the fourth highest on August 25 since the establishment of the station in 1953 .

  16. 本文提出了落差指数直接解算的数学模型,并应用于长江中游螺山站的水位流量关系分析。

    This paper puts forward the direct calculation mathematical model of fall exponent for using computer , which is applied for stage discharge relationship analysis in Luoshan Station at middle reaches of the Yangtze River .

  17. 对长江干流宜昌至螺山河段1998年汛期洪水和1996年洪水进行复演,并与原水动力学模型计算结果进行比较。

    And applying in the reach from Yichang to Luoshan of the Yangtze River . Based on the relief map of river in 1993 , the manning coefficient is calculated , and the flood of 1996 and 1998 has been repeated .

  18. 螺山河段水位流量关系受异常水力因素变化的影响极大,它向设计部门提出了在不同洪水典型之间,同流量有不同水位,是有待研究的新课题。

    The stage discharge relation at Luoshan Hydrologic Station is greatly influenced by the changing hydraulic factors , and for floods different pattern , there are different stages corresponding to the same discharge , thus , it is a new question to be studied .