在数字水系生成系统的基础上，构建分别基于子流域的离散数字水文模型。
Moreover, control points, such as hydrological stations and reservoirs, are allowed to be added to the process of generating digital basin, so as to be easily coupled with hydrological model.
文章认为，数字水文模型是一种有物理基础的包含大容量信息的现代模拟技术。
Digital hydrological model is regarded as a modern physically-based modeling technique that includes a large amount of information.
数字水文模型是一种先进的数字流域模型，它在柘溪水库的成功应用，将为柘溪水库的洪水预报发挥重大作用。
Digital hydrological model is an advanced digital river basin model, whose successful application will be of great importance to the flood-forecast in Zhexi reservoir.
首先介绍了数字高程模型的基本知识，及其在水文中应用。
At first, the basic knowledge of DEM and its application in the hydrology were introduced.
流域地形是决定水系生成的一个关键性因素，是数字流域和分布式水文模型研究的主要内容。
The watershed topography is a key factor for extraction of the drainage, and it is also a very important topic in the study of digital watershed and the distributed hydrological models.
采用GIS的方法，建立了环县数字高程模型（DEM），研究了本区地表水流方向、集流能力、子集水区的划分及水系网络空间分布等水文特征。
By means of GIS method, the digital elevation model(DEM)is established, the flow direction, flow accumulation, subcatchment boundaries and stream network spatial distribution are studied.
应用纹理映射技术将TM影像与数字高程模型结合，实现准动态监测湿地的水文变化。
TM image and DEM are combined using texture mapping technology, thus realizes monitoring the hydrological change of wetland dynamically.
基于数字高程模型（DEM）中提取流域水系是分布式水文模拟的基础与关键。
The foundation of the simulations lies on how to obtain hydrologic and topographic parameters from Digital Elevation Model(DEM).
“数字水利”是以空间信息为基础，融合水文模型、水利业务和现代电子通信等技术的专业化系统平台。
"Digital water" is based on spatial information, integrating of hydrological models, water service, and modern electronic communication technology, professional system platform.
结果表明，基于数字流域的水文模型明显优于传统水文模型。
The result shows that the model based on digital basin obviously performs better than traditional model.
结果表明，基于数字流域的水文模型明显优于传统水文模型。
The result shows that the model based on digital basin obviously performs better than traditional model.
应用推荐