Based on ice jam mechanism,hydraulics model and energetics model are introduced into this research and well simulate water level,freeze-up and break-up date of each spring in Wudinghe River.

• 根据冰塞形成发展的机理,利用水力学模型和热力学模型模拟研究了无定河流域下游段丁家沟至白家川的每年春季河流水位、封河日期和开河日期。