论文探索了人工神经网络方法(ANN)在河道洪水预报中的应用；该结果具有一定实用前景。
The artificial neural network (Ann) method is studied for use in river channel flood forecasting, the result show that the method can be applied in practice.
提出和讨论了基于马斯京根流量演算河道洪水实时预报的半自适应滤波模型。
Based on the Kilman filter theory and Muskingum method, the half self adaptive updating Kilman filter model of channel flow routing has been developed for real time application of flood forecasts.
该模型的特点是对河道地形要求不高，能够满足水沙输移实时预报的要求。
The model can be used for real time prediction of flow and sediment transport in multiple connected river channels and is suitable for the area where topography map is not sufficient.
同时，对于城市的防洪规划、洪水预报分析、河道演变规律及水资源综合利用等有着十分重大的意义。
At the same time, it has great use in a lot of fields, such as flood control of city, flood forecast analysis and water resources continuable use.
根据圣维南方程组的连续方程，在原有相应涨差模型的基础上，推导出一种新的河道实时洪水预报相应涨差模型。
According to continuity equation of Saint_Venant, and based on the old corresponding rising difference model, the paper developed a new model of channel flood realtime forecasting.
万泉河流域面积大、降雨分布不均匀，洪水受多种复杂因素的影响，因此采用多单元的水文学模型与河道水力学模型相结合的预报系统。
In order to study flood management problems of the Wanquan River basin, a hydrological multicell and hydraulics model has been built up to simulate complex flood routing behaviors.
天气预报员说河水回退的原因是，低温导致原本会涌入河道的河水结冰。
Forecasters say the river is retreating because cold temperatures have been freezing water that normally would be flowing into the river.
天气预报员说河水回退的原因是，低温导致原本会涌入河道的河水结冰。
Forecasters say the river is retreating because cold temperatures have been freezing water that normally would be flowing into the river.
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