【摘要】 River2D模型是河道内流量增加法(IFIM)中的一个河流水动力学和鱼类栖息地模拟软件,可以模拟流量和鱼类栖息地之间的定量关系。介绍了River2D模型的构成及理论基础。利用漓江桂林市区段地形图和实地勘测的地形数据,建立漓江桂林市区段River2D模型,初步结果表明,模型能有效地反映某个特定条件或某个时刻河流流量、流速及水深的分布情况,可以在河流修复等研究中发挥作用。更多还原

【Abstract】 River2D modeling is the software used for simulating the river hydrodynamics and fish habitat that was developed based on Instream Flow Incremental Methodology(IFIM).The quantitative relationships between the discharge and the fish habitat availability can be simulated by use of it.An introduction was made on the constitution and theory basis of the River2D modeling.A River2D model was built for the Lijiang river section in Guilin’s downtown area by use of the topographical maps and the site survey data.The preliminary results demonstrated that the model can reveal the distribution of river discharge,flow velocity and water depth under certain condition or at any moment.It can play a role in researches such as river restoration.更多还原