首先论述水文尺度分析的重要性。
如果能够找出相似性，就可以通过相似性来处理水文尺度问题。
If we can find some similarity, we may treat the hydrological scale problem by the similarity.
然后重点讨论水文尺度分析的主要新途径：1）以分形理论为基础的尺度分析；
Then, several new approaches to scale analysis are discussed. Namely they are 1)scale analysis based on fractal theory;
树木年代学丰富的内容和知识体系，成熟的研究方法，为区域尺度上研究水文变化提供了精确的方法。
A rich content and system of knowledge, mature research methods in dendrohydrology provide accurate methods for studying long-term hydrologic variability at regional scale.
研究在分析非点源污染负荷产生和迁移途径的基础上，依据水文产汇流和污染物迁移过程，建立了大区域尺度非点源污染负荷估算模型；
On the basis of hydrological processes and pollution transport, a large scale model is set up to calculate the loss load of pollutants for government to control and manage NPS.
经长期不同尺度的地质、石油地质及水文地质调查和勘察，积累了丰富的资料。
It accumulates abundant datum, through different investigation scales of geology, petroleum geology and hydrogeology.
在缺少海洋水文观测资料的情况下，利用风浪要素计算图确定风浪尺度是工程人员推算设计波浪的简便方法。
It is a convenient method to estimate design wave parameters by utilizing calculation chart for wind wave factors in case there is no observed hydrologic data at engineering site.
为了定量研究西苕溪流域洪水发生机制和动态规律，本项目研制了一个局地尺度综合水文模型。
A local scale integrated hydrological model has been developed for the studies of flood mechanisms and dynamics in this area.
提出立足于产汇流机理研究，建立基于RS和GIS的耦合水文模型是研究的趋势，尺度问题仍然是关注的焦点。
Study on mechanism of runoff and streamflow has great foreground to build hydrological model coupled with GIS and RS, and hydrological scale problems should always be paid attention to.
本文通过对水文数据相似性进行分析，提出了采用聚类分层分析，以相似距离为尺度的水文相似年查找方法。
The text analyses the hydrologic data of similar, and confirm the method of the hydrologic similar year, to use the cluster analysis for the condensation algorithm of the hierarchical cluster.
雷达测雨的误差以及水文模型自身的结构和尺度问题等的复杂性，导致了水文预报的精度不理想。
The errors of radar rainfall measurement and the complexity of hydrological model have led to lowed accuracy for hydrological prediction.
滨海湿地健康与生物学特征主要取决于区域上的水文与盐度体制以及景观尺度上的土地利用现状。
The physical and biological nature of coastal wetlands is fundamentally controlled by its hydrologic and salinity regimes and by its setting within a landscape Mosaic of natural and human land USES.
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.
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.
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