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hydrological scale
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  水文尺度
     Hydrological scale is the foreland and hotspot question in hydrological science. This paper states the definition,study scope,classification and significance of hydrological scale.
     陈述了水文尺度问题的定义、研究范围、分类及其研究的重要意义,综述了国内外对不同尺度水文问题研究进展,指出尺度转换问题是目前研究的难点;
短句来源
     Progress and Prospect of Hydrological Scale Study
     水文尺度研究进展与展望
短句来源
     In the foundation of analyzing actuality about research in hydrological models,it is point out that the combination of hydrological models and GIS,RS,study of hydrological physics rules,hydrological scale question,the coupling of hydrological models and other system are development directions of study about hydrological models in the future.
     通过对水文模型研究现状的分析,指出GIS、RS技术与水文模型研究有机结合、水文过程物理规律、水文尺度问题及水文模型与其他系统模型的耦合研究是今后水文模型研究的重要发展方向。
短句来源
     Relation between Hydrological Scale and Hydrology Simulation
     水文尺度与水文模拟关系研究
短句来源
     On catchment hydrological scale and similarity
     论流域水文尺度化和相似性
短句来源
更多       
  水文尺度问题
     Hydrological scale is the foreland and hotspot question in hydrological science. This paper states the definition,study scope,classification and significance of hydrological scale.
     陈述了水文尺度问题的定义、研究范围、分类及其研究的重要意义,综述了国内外对不同尺度水文问题研究进展,指出尺度转换问题是目前研究的难点;
短句来源
     If we can find some similarity, we may treat the hydrological scale problem by the similarity.
     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
短句来源
     In the foundation of analyzing actuality about research in hydrological models,it is point out that the combination of hydrological models and GIS,RS,study of hydrological physics rules,hydrological scale question,the coupling of hydrological models and other system are development directions of study about hydrological models in the future.
     通过对水文模型研究现状的分析,指出GIS、RS技术与水文模型研究有机结合、水文过程物理规律、水文尺度问题及水文模型与其他系统模型的耦合研究是今后水文模型研究的重要发展方向。
短句来源
     Further more,the paper puts forward the methods and transformation of hydrological multi-scale simulation,founds hydrological multi-scale simulation system from the point of view of research on the problem of hydrological scale problem in order to understand the transformation rule and the process of hydrological scale,and it also gives an effective new idea for researching and resolving actual problems.
     构建了从系统和多尺度水文模拟角度研究水文尺度问题的框架,对于深入了解水文尺度在不同时空尺度上的变化规律和过程,为科研和解决实践问题提供了一个有效的科研思路。
短句来源
  水文标量
     Spatio-Temporal Process Visualization for Marine Hydrological Scale Data
     海洋水文标量数据的时空过程可视化方法研究
短句来源
  “hydrological scale”译为未确定词的双语例句
     BASIC ASSUMPTIONS OF UNITGRAGH METHOD AS CHECKED BY HYDROLOGICAL SCALE MODEL EXPERIMENTS
     利用水文模型试验检验单位线法的基本假定
短句来源
     This thesis studies the spatial and temporal process visualization about marine hydrological scale data.
     2、介绍了时空与过程的关系、海洋时空过程等概念,对时空过程可视化方法按照其在空间中的维数进行了分类,提出了点过程、线过程、面过程、体过程的概念,并分别介绍了几种方法的原理以及如何实现。
短句来源
     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.
     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
短句来源
     In this paper,the problem of hydrological scale was discussed based on the chaos theory and artificial neural networks,and a method on the chaos theory and neural networks was used to analyze runoff downscaling.
     基于混沌理论和神经网络理论,研究水文科学的尺度问题,将混沌神经网络分析方法应用于径流的降尺度分析。
短句来源
     The paper studies the relations between hydrological scale and hydrology model's theory,structure,complexity and data acquisition,and presents the conception of hydrology multi-scale simulation and its necessity.
     提出了水文多尺度模拟的概念和必要性,并对水文多尺度模拟的方法与转换等问题进行了阐述。
短句来源
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Catchment hydrological scale and similaity problems are approached in thispaper. The effects of spatial variability of small scale factors, such asgeomorphology, soil property and raimfall, on catchment runoff production arediscussed. A scale theory, the concept of u Representative ElementaryArea(REA)", which can represent the dynamic variation of contributing area incatchment runoff production is proposed. In the study of similarity problem, twokinds of commonly used method, statistical similar...

Catchment hydrological scale and similaity problems are approached in thispaper. The effects of spatial variability of small scale factors, such asgeomorphology, soil property and raimfall, on catchment runoff production arediscussed. A scale theory, the concept of u Representative ElementaryArea(REA)", which can represent the dynamic variation of contributing area incatchment runoff production is proposed. In the study of similarity problem, twokinds of commonly used method, statistical similar analysis and dynamic similaranalysis, are introduced and discussed. These can provied a practical method,which is an integration of conceptulization with physics and determination withstochasticism, for simplifying the modelling of scale effect on catchment runoff response.

本文论述了流域水文尺度化和相似性问题.探讨了小尺度要素如地貌、土壤和降雨等的空间变化对流域径流形成的影响,提出了反映流域产流面积空间变化动力特性的尺度化理论,即代表性单元产流面积REA的存在.在相似性问题的研究中,讨论了统计相似分析和动力相似分析的两种基本研究方法,为简化尺度化对径流形成的影响,提供了一条概念性与物理性、确定性与随机性相结合的实用性的模拟方法

In recent years, people have experienced great disasters which result fromdisruption of forests. Close attention is paid increasingly to hydrological function of theforests. In this paper, a brief history of researches in this field and the prospects concernedare reviewed. There are two periods in the researches: forest influence and forest-ecosystemhydrology. The effects of forests on rainfall, regulation of hydrological process, hydrologyof soil water and underground water, and ecological benefits of forest...

In recent years, people have experienced great disasters which result fromdisruption of forests. Close attention is paid increasingly to hydrological function of theforests. In this paper, a brief history of researches in this field and the prospects concernedare reviewed. There are two periods in the researches: forest influence and forest-ecosystemhydrology. The effects of forests on rainfall, regulation of hydrological process, hydrologyof soil water and underground water, and ecological benefits of forest hydrology arepresented. The author suggests that three aspects need to be emphasized, viz., the couplingresearch on forest pattern, and hydrological scale and process, research on regionalcharacteristics, and the structure of water inflow and outlet in forest ecosystem.

近年来,人们饱受了森林破坏所致的洪涝和旱魃灾难,森林水文功能因而日益受到关注。同时,也给森林水文的研究提出了挑战,森林水文学研究的简史、涉及领域及展望将在本文中阐述。

The applications of remote sensing to hydrology, which can roughly be divided into the direct remote sensing applications and the indirect remote sensing applications, have been extended in last a few decades However, its spatial and temporal resolutions of remote sensing information, together with the complex issue of hydrological scales, have double roles to applications of remote sensing on hydrology In one side, they meet difficulties because of different spatial and temporal scales; on the other side,...

The applications of remote sensing to hydrology, which can roughly be divided into the direct remote sensing applications and the indirect remote sensing applications, have been extended in last a few decades However, its spatial and temporal resolutions of remote sensing information, together with the complex issue of hydrological scales, have double roles to applications of remote sensing on hydrology In one side, they meet difficulties because of different spatial and temporal scales; on the other side, they bring new techniques to hydrological scale issues and this will definitely promote the development of hydrology, such as the development of global hydrology This paper approaches the spatial scale issue of remote sensing hydrology from four aspects: hydrological process mechanisms at varied scales, spatial resolution of remote sensing information, hydrological parameters gathered at one scale to be used in making predictions at other scale, and the development of hydrology with the aid of remote sensing The expansion of instantaneous remote sensing information to a long time scale and temporal resolution of remote sensing information are discussed with temporal scale issue taking into account

遥感技术在水文科学中的广泛应用 ,极大地拓宽了其研究的领域和范围 ,增加了其研究的深度。但同时也应该看到 ,遥感信息的空间分辨率和时间分辨率 ,以及水文科学自身尺度问题的复杂性 ,一方面对遥感水文的应用产生困难和问题 ,限制了水文遥感的应用 ;另一方面又对水文尺度问题提供了新的技术手段 ,为遥感水文应用增添了新的亮点。从水文机理与空间尺度、遥感信息的空间分辨率、水文参数的空间延拓 ,以及遥感技术与水文科学的发展等 4个方面探讨了遥感水文的空间尺度问题 ;从瞬时遥感信息的时间拓展和遥感信息的时间分辨率 2个方面讨论了遥感水文的时间尺度问题。

 
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