河流洪水
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近40a来新疆河流洪水变化
Change of River Flood and Disaster in Xinjiang during Past 40 Years
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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
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复式断面河流洪水的水流特性
Characteristics of flood flow in a channel of compound cross-section
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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
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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
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新疆河流洪水水污染分析
Analysis of Water Pollution During River Flooding in Xinjiang
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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
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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
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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
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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 .
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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
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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
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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
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游荡型河流的洪水演算
Flood Routing in Wandering Channels
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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 .
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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 ;
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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 .
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数十条河流发出了洪水警报。
Flood alerts were issued for dozens of rivers .
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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 .