Large historical flood discharges can play an important role in hydrologic frequency analysis.
历史洪水在洪水频率计算中起到了重要作用。
Considering the time of last historical flood, the annual flood risk model of flood protection sys-tems is presented.
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。
Historical flood is the flood that has occurred in the local area. Using historical flood investigation can improve the calculation accuracy of design flood.
历史洪水是当地历史上曾经发生的，应用历史洪水调查可以提高设计洪水计算精度。
In the continuous monitoring and assessment of the historical flood disasters the remote sensing techniques and Geographic Information System have played an important role.
在对这场历史性的洪灾的不断监测和评估中，遥感技术和地理信息系统发挥了重大作用。
The paper proposed the principles of historical flood diagnosis in terms of historical record characteristics and discussed the problems such as the check of historical flood series and so on.
本文根据史料记载特点，提出了古洪水鉴别原则，并就历史洪水序列的检验、洪水发生频率的划分、洪水演变趋势的定量刻划等问题进行了讨论。
Moreover, under the situation of uncertainties in large historical flood, the quantities estimated by probability weighted moments may be more robust than those by a optimal curve fitting method.
在历史洪水存在不确定性情况下，以概率权重矩法估计的参数稳健性优于优化适线法。
This paper puts forward the concept of the natural historical features of historical floods and flood disasters and discusses the possible fields in which this concept may get practical application.
本文提出了历史洪水和洪水灾害自然历史特征的概念，并就其实际应用的领域和途径进行了探讨。
In her view, the Great Flood described in the ancient texts is a myth to explain how the world was made, not a historical event.
在她看来，古书中描述的大洪水是一个解释世界如何形成的神话，而不是一个历史事件。
Based on the historical data for the latest 2000 years, this paper discusses the statistical properties of the flood and drought disasters in Hubei Province.
基于近2000年来的历史资料，对湖北省历史时期洪、旱灾害的统计特征及其演变规律进行了分析。
Based on the historical date for the latest 2000 years, this paper discusses the statistical properties of the flood and drought disasters in Shanxi Province.
利用近2000年的历史资料，对山西省历史时期洪、旱灾害的特征及其演变规律进行了分析。
The paper attempted to make a preliminary analysis to causes of flood in the Huai river region from the angle of the river morphology and historical morphology.
本文试图从河流地貌学与历史地貌学的角度，对淮河流域洪涝灾害的成因进行初步的分析。
The overall water quality of Qiandao Lake in the flood of Year 1996 presents a 'pollution peak'in the historical tendency diagram, indicating that alien mass pollution is the main source of pollution.
研究表明1996年洪灾中千岛湖总体水质在多年走势图中出现“污染峰”现象，表明外来面源污染是主要污染源。
This paper claims that "Guns blocking up the flood" and "Gonggong sre - energizing waters" are in fact different legends developed from the same historical fact.
论文认为，“鲧堙洪水”与“共工振水”实际上是同一史实分化出的不同传说。
This paper claims that "Guns blocking up the flood" and "Gonggong sre - energizing waters" are in fact different legends developed from the same historical fact.
论文认为，“鲧堙洪水”与“共工振水”实际上是同一史实分化出的不同传说。
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