How to compute groundwater runoff correctly is the basic re - search subject in hydrological calculation.
正确估计地下径流过程是水文计算和预报中的一项基础性工作。
Thus, it is believed that the method presented here would be useful in hydrological calculation within large basins.
证明文中的计算方法进行大流域产汇流计算是可行的。
Predictions in Ungauged Basins(PUB) is the theme of International Hydrological Decade, the core of which is runoff calculation.
无资料流域水文预报（PUB）为国际水文十年计划的主题，其核心部分是无资料地区径流计算。
Due to errors of hydrological frequency calculation, the deviation between the estimated value and actual value causes the design of water conservancy projects to be insecure.
在水文频率计算中由于误差的存在，使得估计值与实际值之间存在偏差，这种偏差导致在水利工程设计中产生了不安全因素。
The paper introduces the structure, the every hydrological elements and the calculation method of four waters transformation model for Second songhuajiang river mainstream.
文中叙述了四水转化模型的结构及制作，并详细介绍了模型中各项水文要素及计算方法。
This thesis discusses period analysis methods of hydrological time series, and compares them from theory, measured sample calculation and Monte-Ca.
本文从理论基础、实测样本计算和统计试验方法三个方面对水文时间序列的周期分析检测方法进行了分析研究。
The process of urbanization has a significant impact on the hydrological characteristics of a city, which causes the special and complex nature of the calculation method of urban flood.
城市化进程对城市水文特性产生了重大影响，造成了城市洪水计算的特殊性与复杂性。
In addition, the hydrological data reorganization of branch channels of irrigated area and the calculation of water quantity and water rate can be done using this system.
另外，本系统也可以进行灌区支渠水文资料整编以及水量、水费计算。
In addition, the hydrological data reorganization of branch channels of irrigated area and the calculation of water quantity and water rate can be done using this system.
另外，本系统也可以进行灌区支渠水文资料整编以及水量、水费计算。
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