河流洪水

河流洪水河流洪水
  1. 近40a来新疆河流洪水变化

    Change of River Flood and Disaster in Xinjiang during Past 40 Years

  2. 河滩人工湿地对河流洪水位影响的数值模拟

    Numerical simulation of influence of riverside constructed wetland on river flood level

  3. 复式断面河流洪水的水流特性

    Characteristics of flood flow in a channel of compound cross-section

  4. 大型调水工程多河流洪水演进数值模拟研究

    Numerical Simulation of Flood Progression with Multi-River in Large Water Transfer Project

  5. 河流洪水资源利用效益识别与定量评估研究

    Identification and Quantitative Assessment of Utilization Benefit of Flood Resources from Rivers

  6. 新疆河流洪水水污染分析

    Analysis of Water Pollution During River Flooding in Xinjiang

  7. 福建省三条主要河流洪水序列周期特性分析

    Periodic Analysis of Long-Term Flood Process for Three Main Rivers in Fujian Province

  8. 新疆河流洪水与洪灾的变化趋势

    Preliminary Approach on the Floods and Their Calamity Changing Tendency in Xinjiang Region

  9. 河流洪水过程线的随机模拟及其在推求调洪库容中的应用

    Random Simulation of Flood Hydrograph and Its Application in Ascertaining Flood Control Capacity

  10. 广州市主要河流洪水发生的规律及存在问题与防洪措施;

    The flood occurred law on major rivers and flood problems and flood control measure .

  11. 本章以白城为例,研究了中长期水文预报在平原河流洪水资源利用中的应用。

    The paper analyzes the application of long-term runoff forecast in plain flood resource utilization .

  12. 基于此,本文探讨了基于物理因子分析的中长期水文预报方法,并将预报成果用于指导平原河流洪水资源利用工作。

    For these reasons , this paper studied on methods of long-term hydrological forecasting based on physics factor analysis and its application in plain flood resource utilization .

  13. 其研究成果能较好的预测圩区淹没过程和淹没范围,为建立河流洪水预警系统提供了可靠的理论基础。

    It is concluded that the model can predict the submerge process and area effectively , and it provides academic base for establishment of flood forecast system .

  14. 本文依据黄河下游河道的河相关系和简化圣维南方程组,建立了游荡型河流洪水演进的对流&扩散模型。

    According to the simplified forms of S-V equations and the flow geometry in lower Yellow River , an advective-diffusion model for flood routing of wandering channels has been developed .

  15. 随着社会和经济的迅速发展,人口急剧增加和高度集中,河流洪水对人类的威胁也在不断增长,造成的损失也与日俱增,所以它的研究越来越受到人们的重视。

    The growing populations are increasingly threatened by flood hazards because of the fast social and economic development and the concentration of human settlement . Therefore , river flood research has been paid more attention than ever .

  16. 针对我国河流洪水资源利用的效益识别、定量评估以及综合评价等问题,以吉林省嫩江中下游的白城市为背景,开展了相关研究。

    Aiming at solving the benefit identification , quantitative assessment and comprehensive evaluation etc. issues of flood resources utilization in China , this essay analyzes and researches above problems based on taking Baicheng City , Jilin Province as an example .

  17. 在大量收集流域地形、水文气象、基础地理数据等资料的基础上,通过理论研究、数值仿真,结合地理信息技术,建立河流洪水演进模型和城区积水模型。

    In a large collection of river terrain , meteorological and hydrological , basic geographic data etc , and on the basis of theoretical study and numerical simulation by , combines the geographical information technology to build rivers flood evolution model and urban water model .

  18. 城市化把地面大面积变成不透水层,使径流系数增大,汇流时间缩短,洪水总量与洪峰流量增大,城市河流洪水灾害的发生频率增大。

    The urbanization has turned the ground surface into an impermeable layer in a large area , increased runoff coefficient , shortened the concentration time , increased the total volume of flood water and peak discharge of floods and increased the frequency of floods of city rivers .

  19. 游荡型河流的洪水演算三峡河道洪水演算模型

    Flood Routing in Wandering Channels Sanxia River Flood Routing Model

  20. 中国多沙性河流的洪水灾害及其防御对策

    Flood disaster and prevention strategy of heavily silt - carring River in China

  21. 官员警告称,持续降雨可能会导致14条中小河流发生洪水。

    Officials warn that continuous rainfall may cause floods in 14 small and medium-sized rivers .

  22. 南水北调中线输水工程交叉河流设计洪水分析

    Analysis of design floods of the cross-rivers in the middle route of South-North Water Diversion Project

  23. 黄河龙门&三门峡段河漫滩组成物质的粒度特征游荡型河流滩地洪水计算

    Grain size characteristics of flood plain substance composition along Longmen Sanmenxia section of the Yellow River

  24. 月亮轨道周期与世界著名河流的洪水

    Orbit Periods of the Moon and the Large Floods of Some Famous Rivers in the World

  25. 游荡型河流的洪水演算

    Flood Routing in Wandering Channels

  26. 长江三峡大坝的建设初衷是为了控制这条中国最长河流的洪水,并产生清洁能源。

    The Three Gorges dam , the world 's largest , was built to control devastating floods on China 's longest river and to generate clean energy .

  27. 数量很少分布面积仅占海湾总面积2.6%的贝壳、砂和粗粉砂来源于海岸侵蚀和海湾周围陆地河流在洪水时带来的;

    The shell , gravel , sand and coarse silt come from land of around the Bay by the stream and erosion of coastline are little . It 's distribution of area only 2.6 % of the Bay ;

  28. 如何控制好暴涨暴落河流的洪水过程,准确判断洪水的起涨时间、洪峰流量、洪峰水位,一直是干旱半干旱地区水文观测的难题。

    It has been the arid and semi-arid hydrological problems that how to control rises suddenly the sudden and violent fall rivers flood process , judges the flood to rise the time , the peak discharge , the flood peak water level .

  29. 数十条河流发出了洪水警报。

    Flood alerts were issued for dozens of rivers .

  30. 那时这里被河流覆盖,洪水泛滥。

    Back then this area was a wash with streams and flood plains .