流域汇流
- 网络watershed flow concentration
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论流域汇流的数学模型(第一部分线性模型)
A Study on the Mathematical model of Watershed Flow Concentration (ⅰ)
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流域汇流的分布参数模型
A Distribution Parameter Model of Watershed Flow Concentration
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流域汇流的非线性分析及基于ANN流域汇流预报模型
Nonlinear hydrologic analyses and ANN-based predicting model for watershed routing
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基于GIS的南方红壤丘陵区小流域汇流网络提取研究
Extraction of Drainage Structure for a Small Watershed in the Red Soil Regions in Southern China Based on GIS
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考虑到GIUH只取决于河网地貌参数和流速参数,故它可为概念性流域汇流模型提供一个新的确定参数的方法。
Because the GIUH depends only on the parameters of geomorphology and flow velocity of channel network , it may provide a new parameter estimation method for conceptual models of CFW .
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流域汇流的概率论体系探讨
Study of mechanism of watershed concentration flow based on probability theory
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基于数字地形分析的流域汇流方法研究
Watershed Flow Routing Researches Based on Digital Terrain Analyses Techniques
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概念性线性水库流域汇流模型的改进及应用
Modification and Application of Watershed Routing Model of Conceptional and Linear Reservoir
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大流域汇流演算的线性扰动模型
Linear Perturbation Model for River Flow Routing on Large Catchments
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变动积分流域汇流数学模型
The variable integral mathematical model for watershed , runoff concentration
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流域汇流的非线性特性分析
Analysis of the Nonlinear Characteristic of Watershed Flow Confluence
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线性流域汇流模型的分析与研究
Analysis and Study on linear watershed confluence model
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流域汇流的模糊系数非线性微分动态模型
Fuzzy nonlinear differential dynamic model of watershed confluence
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流域汇流的非线性关系及其处理方法
Nonlinear relationships of concentration for a watershed and a method of dealing with them
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植被对小流域汇流及侵蚀产沙影响研究
Studies on the Impact of Vegetation on Runoff Concentration and Sediment yield in Watershed
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流域汇流的系统模拟
System simulation of concentration flow in River Basin
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串并联线性水库流域汇流模型
Watershed Routing Model Characterized by Series-Parallel Linear Reservoirs
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地貌单位线理论与概念性流域汇流模型的联系
The connection between the theory of geomorphologic unit hydrograph and the conceptual watershed concentration model
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流域汇流计算的三种方法
Three Methods for Conflunce of Watershed
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流域汇流可以概化为洪水波的平移和坦化作用,平移和坦化模拟是大多数概念性汇流模型的核心。
Runoff concentration can be generalized as transposition and attenuation of flood waves , which are the basis of most basin runoff concentration models .
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指出由于水质点之间并非弱相互作用,故借助于统计力学方法探讨流域汇流在理论上仍有不足之处。
It is indicated that handling of CFW by means of statistical mechanics is theoretically not reasonable because of non-weak interaction between the water particles .
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然后,结合传统的流域汇流方法&等流时线,综合考虑地形和降雨在空间分布上的差异性对径流汇流的影响,提出流域的变等流时线方法。
Secondly , with reference to the traditional flow routing method & isochrones , spatial variability of rainfall and watershed topography are both considered to derive the variable isochrones .
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首先,在大量阅读国内外文献的基础上,分析了流域汇流理论及汇流计算的国内外研究现状,并指出流域汇流计算未来的研究方向;
Firstly , based on reading literatures massively , analyzes present situation of concentration calculation research in domestic and foreign , and points out the research prospect of basin concentration calculation in the future ;
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模拟结果发现,特小流域汇流的平移作用不明显,流域调蓄作用主要是坦化作用,汇流模型主要是坦化作用的模拟。
The transposition effect is very small and the attenuation effect is the main of storage effect in mini basins . So mini basin runoff concentration models should focus on the simulation of attenuation effect .
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概念性元素的选择及其排列组合方式是建立概念性流域汇流模型的关键性问题,因此比较概念性元素之间的差异具有十分重要的意义。
In developing conceptual watershed concentration models , it is a key to select a proper type of conceptual elements and make arrangement of them . Therefore , the comparison among conceptual elements has a very important significance .
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与流域产汇流有关的地理数据主要有地面高程和反映土壤、植被、地质、水文地质特性等方面的参数等,其中以反映流域地形特征的数字高程模型(DEM)最为有用。
The geographic data relate to generating and collecting runoff are mainly ground elevation and the parameters reflecting characteristic of soil , vegetation , geology , and hydrograph , especially digital elevation model ( DEM ) is the most useful .
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由流水网计算的流域平均汇流路径长度和坡度等地形特征值随DEM网格的大小而变,故只能作为描述地形的相对指标。
Some topographic indexes derived according to the drainage networks , such as the mean length of flow concentration routes and the mean gradient of hill slopes , vary with the grid-size of the DEM , so they can only be used as relative indexes .
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小流域洪水汇流参数适应性研究
The Study of Flood Confluence Parameters Adaptability on Small Watershed
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概念性流域地貌汇流模型的一般理论
A General Theory of Conceptual Watershed Geomorphy Concentration Model
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大清河流域产汇流特征变化趋势分析
Trend Analysis of Characteristics of Runoff Generation and Concentration in Daqing River Basin