历史洪水
- 网络historical flood
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分别将HEC-HMS和新安江模型应用于江西万家埠流域,模拟了历史洪水过程。
The performance of HEC-HMS was compared with that of the Xinanjiang conceptual model using historical flood data from the Wanjiabu catchment in China .
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另外,还研究了历史洪水的作用。
Moreover , the role of historical flood is also examined .
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利用历史洪水已知的实测流量信息,将实时修正引入雨量站网规划中,在闽江七里街流域对1988~2001年的45场洪水采用误差自回归(AR)模型在模拟过程中进行实时修正。
Making use of the observed discharge information , real-time correcting method is brought in rainfall network programming . AR model is used to revise the simulated processes of forty five flood events .
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最后根据汉江流域的历史洪水资料和洪水风险评估结果,用水力学的HEC-RAS软件对该级别的洪水进行了洪水灾害严重程度的仿真。
Finally , we give a hydraulic simulation based on HEC-RAS and history flood and the flood risk assessment results of Hanjiang River .
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关于有历史洪水参加的洪水资料经验频率计算方法的讨论
Discussion on the Frequency Calculation according to the Historic Deluge Datum
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频率分析中不定量历史洪水的影响研究
Study on the impact of the non-quantitative historical floods in frequency analysis
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确定桂林漓江历史洪水重现期的探讨
Probing into the historical flood return period of the Guilin Lijiang river
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历史洪水不确定性对洪水频率计算成果的影响
Influence of Uncertainty from Large Historical Flood Upon Frequency Analysis
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历史洪水洪峰流量估算的不确定性分析
Uncertainty Analysis in Estimating Peak Discharge of A Historical Flood
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模型参数修正以及历史洪水模拟。
Modification of model parameters and modeling of historical flood .
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松花江支流嫩江流域历史洪水形成演绎特征
The Characteristics of Historical Floods Formation in The Valley of Nenjiang River
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中国历史洪水和洪水灾害的自然历史特征
The natural historical features of historical flood and flood disaster in China
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具有历史洪水信息时洪水频率的非参数核估计
Nonparametric kernel estimation of flood frequency with historic information
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嘉陵江流域历史洪水研究
Study on the Historic Flood in Jialing River Basin
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历史洪水调查在推求设计洪水中的应用
Application of Historical Flood Investigation to Calculate Design Flood
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历史洪水在洪水序列隐含周期分析中的应用
The Application of Historical Flood to the Identifying Cryptic Period of Flood Time Series
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洪水频率分析中历史洪水资料的处理
Treatment of historical data in flood frequency analysis
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各历史洪水年份的重现期采用与坝址洪水取为一致。
The reoccurrence period of historical floods is in accordance with the dam site floods .
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黄河上游历史洪水查询系统的设计与实现
Design and realization of a flood query system of Yellow River upstream based on historic flood data
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经历史洪水验证表明,预报成果的精度和可靠性是比较满意的。
Verification with past flow record indicates that both accuracy and reliability in flood routing are satisfactory .
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长江流域历史洪水的周期地理学研究
The cyclic geography study on the historical floods in the Yangtze River a brief discussion of cycle
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处理历史洪水的关键,在于正确审定其流量数值及重现期。
Careful examination of discharges and return periods is the key to the treatment of historical floods .
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在变动河床上以水位最大涨差推求历史洪水
Evaluation of Historical Floods on the River with Variable Bed According to the Difference of Rising Stage
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将研究取得的古洪水流量以及1482年历史洪水加入沁河洪水系列进行频率分析,取得了较好的效果。
Then frequency analysis of the Qin River flood series with paleoflood and1482-yr flood can be successfully done .
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历史洪水值的误差对设计洪水的影响比历史洪水重现期误差对设计洪水的影响大得多。
Effect of extraordinary event value errors on precision of design flood are more visible than their period errors .
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历史洪水资料起着延长经验频率曲线,减少成果误差的作用。
Use of historical flood data makes it possible to extend more accurately the frequency curve beyond the observed portion .
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历史洪水洪量的估算,由于资料缺乏,多采用单一的洪水峰量关系进行相关计算。
Because of lacking in data , the historic flood volume is often estimated only with the peak-volume correlation method .
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本文在考虑最近一次历史洪水发生时间这一因素下,提出了防洪系统年洪水风险率模型。
Considering the time of last historical flood , the annual flood risk model of flood protection sys-tems is presented .
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在沁河古洪水研究过程中,1482年特大历史洪水重现期问题是研究工作中的难点。
In paleoflood study of the Qin River drainage basin , the difficulty is the determination of the recurrence interval of the1482-yr flood .
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计算表明:历史洪水重现期越长,设计洪水成果的稳定性越好、精度越高;
Calculation shows that the longer the historical flood recurrence interval , the better stability and the higher calculation precision the design flood is ;