水文下垫面分析是水文分析计算、水文测验、水文预报、水资源评价等的基础性工作。
Hydrologic underlying surface analysis are the basic study in hydrologic analysis, hydrologic observation, hydrologic forecast and water resources assessment.
在水文分析计算时，有时需要根据图形参数进行有关数据的计算，如用暴雨等值线图计算流域平均雨给出量的时候。
In hydrologic analysis, we calculated related data according to figure parameters, as using rainstorm isoline to reckon average rainfall in the river basin.
利用黄河口实测水文及潮汐资料分析计算了海向来沙情况。
The paper analyzes and calculates the sediment coming from the sea by utilizing the observed hydrological and tidal data of the Yellow River estuary.
本文在深入调研和广泛搜集基本资料的基础上，采用水文比拟法和流域模型法系统地分析计算了盘石、里店水库的来水量情况。
This paper USES the hydrology analogue method and watershed model method to analyze and compute the coming water volume on the base of deep investigation and extensive collection of fundamental data.
强调了水文频率计算中对统计参数和设计值进行综合平衡和合理性分析的重要性。
It is emphasized on the importance of comprehensive balance and rationality analysis of statistical parameters and design values in hydrologic frequency computation.
线性矩法在水文频率分析中具有理论优势，但因为计算复杂而实际应用较少。
The L-moment method has theoretical advantages in hydrologic frequency analyses, but less practical application because of its complexities in calculation.
探讨了贝叶斯理论在水文频率分析计算中的应用。
The application of Bayesian theory to hydrological frequency analysis is investigated in this study.
结合实例分析计算，论证了BP网络模型对水文预测的有效性。
The effectiveness of BP model for hydrologic series prediction is verified by computation of practical examples.
分析成果对我国水文水资源计算和进行气候变化影响评价具有指导意义。
Therefore, this analysis is not only very useful for estimation of hydrological balance and water resources, but also significant for impact study of climate changes.
他在水力分析和设计、流域水文计算、和河道工程有超过4年的工作经验。
Mr. Holloway has over 4 years of experience with hydraulic analysis and design, watershed hydrology analysis, and river engineering.
本文就冻结工程施工中遇到的冻结层位最大孔间距计算出冻结壁已交圈，但水文孔不冒水的问题结合了作者的施工经验进行了深入的分析。
In light of the results calculated by maximum hole spacing in freezing horizon, The freezing wall should be enclosed, however, hydrological hole don t leak.
水文法和水保法是分析计算流域治理减水减沙效益常用的两种方法，但都存在一些问题。
Hydrologic method and soil conservation method are two usual methods for calculating sediment and runoff reduction benefit brought by watershed management, but both have some problems.
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。
This thesis discusses period analysis methods of hydrological time series, and compares them from theory, measured sample calculation and Monte-Ca.
期刊发表的文章涉及分析、数值计算和调查实验方法以及水文过程模拟。
The journal publishes papers on analytical, numerical, and experimental methods for the investigation and modeling of hydrological processes.
用中子仪测定土壤水分含量和变化量，分析计算水文地质参数，所得结果与其它方法测定值相近，可以认为中子仪测定水文地质参数是一种新的手段和方法。
To calculate the above parameters, water content in soil and its variety were measured by a neutron probe. This method is simple and the results are close to those obtained using other methods.
该方法通过频谱分析，可以计算出全局性的主要周期，从而反映出水文时间序列的整体特性。
By spectral analyzing, the overall period can be calculated, thus the holistic characteristics of hydrological time series can be reflected.
长期从事水文资源的科研工作，在水文分析与计算，水资源规划和防洪系统的规划与管理等领域有较高的造诣。
Engaged in the research on water resources and hydrology, especially familiar with hydrologic analysis, hydrologic computation, water resources planning, flood control system planning and management.
为了分析分布或半分布式水文模型计算单元的单位线，提出了一种基于面积-时间关系的单位线分析方法。
A method to derive unit hydrographs for sub-areas of distributed model based on area-time relation was proposed.
根据小波多分辨率分析和水文序列的统计自相似性，提出了水文序列分形维数的小波估计方法，给出了其计算步骤。
Based on the statistical self-similarity of hydrolgy time series, a new approach for estimating the fractal dimension by using successive wavelet transform coefficients is proposed.
基于混沌理论，研究水文科学的尺度问题，将混沌分析方法应用于经流的降尺度计算。
Now the problem of hydrological scale is one of the forward fields in hydrological science. In this paper, new method to analyze hydrological downscaling is discussed based on the chaos theory.
根据陕西汉江干流实际水文特点 ，建立了汉江有机质环境容量计算模型 ，最终对不同频率流量条件下的汉江有机质环境容量进行计算、分析。
A model is established with which the organic environmental capacity of the Hanjiang River under the condition of different flow frequencies are calculated and analyzed.
根据陕西汉江干流实际水文特点 ，建立了汉江有机质环境容量计算模型 ，最终对不同频率流量条件下的汉江有机质环境容量进行计算、分析。
A model is established with which the organic environmental capacity of the Hanjiang River under the condition of different flow frequencies are calculated and analyzed.
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