说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 网格型松散结构的分布式流域水文模型
1)  a grid distributed hydrologic model with incompact structure
网格型松散结构的分布式流域水文模型
2)  grid-based distrubted hydrological model
栅格型分布式水文模型
3)  distributed hydrologic model
分布式水文模型
1.
Discussion of theory and methods for building a distributed hydrologic model;
分布式水文模型构建理论与方法述评
2.
One arithmetic of the grids conflux order in the distributed hydrologic model based on Muskingum method
基于马斯京根法的分布式水文模型求解栅格汇流次序
3.
Studying the needed catchment information of model based on study of distributed hydrologic model,in order to obtain the needed parameter information for designing the procedure to extract the catchment information,giving a serial number for each drainage system according to the water chain and obtaining the subcatchement based on water chain,some programms were developed.
为得到分布式水文模型所需要的参数,开发了程序进行流域信息提取,对得到的水系按水链进行编号,进而得到以水链为基础的子流域坡面。
4)  distributed hydrology model
分布式水文模型
1.
However,after dividing vertical layers and horizontal grids to the watershed,a distributed hydrology model established based on the physical foundation and runoff producing theory could analyse the mutual effect and coupling simulation about surface water and ground water with considering hydraulic connection of different runoff components.
而分布式水文模型基于其精确的物理基础和产流机制,充分考虑到不同径流成分的水力联系,在对流域进行土壤垂直分层和水平网格划分后可进行地表水、地下水的交互作用分析与耦合模拟。
5)  distributed hydrological model
分布式水文模型
1.
Studies on mountain flood warning system based on distributed hydrological model and its application;
基于分布式水文模型的山洪灾害预警预报系统研究及应用
2.
An application study of distributed hydrological model based on the effect of grid aspect;
基于网格坡向要素影响的分布式水文模型研究应用
3.
An application study on distributed hydrological model based on aspect estimation;
基于坡向判断的分布式水文模型研究应用
6)  Distributed hydrological models
分布式水文模型
1.
Based on the researches about distributed hydrological models in the past two decades, this paper reviews the progress in the following five aspects: 1) the common structure of distributed hydrological models; 2) the relation between distributed hydrological models and GIS and RS.
分布式水文模型是当前水文建模领域最为活跃的研究方向,是解决流域水文、生态和环境问题的有效的途径。
2.
With the development of Information Technology and Remote Sensing Technology, Distributed Hydrological Models are becoming the trend of Hydrological Models due to their abilities to incarnate the spatial variation of hydrological factors and parameters.
随着信息、遥感等技术的发展,分布式水文模型以其充分考虑水文要素和各种参数空间变化的特点正成为水文模型的发展趋势。
3.
River network and related watershed information directly derived from DEM, is the basis of development and application of distributed hydrological models.
从数字高程模型(Digital Elevation Models)直接提取河网及相关流域信息,是分布式水文模型开发与应用的基础。
补充资料:流域水文模型
      为流域上发生的全水文过程进行模拟计算所建成的数学模型。现已在各种水文工作中广泛应用。水文模型有确定性与不确定性之分,前者的解是确定量,后者是随机量。确定性模型中又分"黑箱子模型"与概念性模型,前者无物理概念,后者有。在不特别说明时,流域水文模型指概念性模型。
  
  流域水文模型把流域总体看成是一个系统,输入为降雨等,输出为出流流量等。流域内的水文过程则是系统的状态,是根据水文概念推理计算出来的。所谓模拟,就是对水文现象作出合理的概括建立模型,进行计算处理。
  
  
  世界知名的概念性模型已不下20种,主要的计算步骤大同小异。下面以中国的新安江流域水文模型为例说明(见图)。根据输入的实测水面蒸发与当时的土壤湿度,代入蒸散发模型,可计算出流域蒸散发。再根据输入的实测降雨与计算的蒸散发,代入产流方程,可计算出径流,同时调整了土壤湿度。把径流代入分水源方程可分出地面径流、壤中流与地下径流。地面径流用单位线计算流量过程,壤中流与地下径流各用水库演算计算流量过程,合而成为流域的出流过程。再应用河道洪水演算,求得下游某断面的流量过程。
  
  上述计算步骤以及所用的各种方程构成流域水文模型的结构,可以写成为一个计算机程序。计算方程中的各种参数,需要根据流域情况及历史资料推求出来。有了结构与参数以后,在计算机上实现,就能把任何输入转换成相应的输出。
  
  

参考书目
   赵人俊著:《流域水文模拟──新安江模型与陕北模型》,水利电力出版社,北京,1984。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条