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).
文章阐述了分布式物理水文模型、地理信息系统（GIS）和遥感（RS）技术在流域模拟中的应用等方面的进展。
The remarkable trends of watershed hydrological models are the research of physically distributed based models and the use of Geography Information System (GIS) and Remote Sensing (RS) technology.
TOPMODEL模型是以地形为基础的半分布式流域水文模型，被广泛地应用于流域水文模拟中。
TOPMODEL model is a semi-distributed physically watershed hydrological model based on geography, and it has been applied in many hydrological modeling problems.
应用推荐