该模型准确率较高，物理成因概念明确，凌汛最高水位模型其精度都在90%左右。
The accuracy of the model is higher. The conception of physics factor is clear and definite. The precision of the highest level of ice dam is about 90%.
并利用GIS较为完善的空间分析与运算功能，进行凌汛期凌险的实时动态监测预警；
On this foundation, the real-time dynamic monitoring and early warning system of ice run has been practiced by using GIS excellent function on space analysis and operation.
凌汛是黄河下游严重的自然灾害之一，黄河下游天桥河段属于典型的弯曲窄河段，极易发生凌情。
The ice flood is one of the serious natural disasters in the lower reaches of Yellow River.
冰冻是寒冷地区普遍存在的一种自然现象，而凌汛则是河道里的冰凌对水流的阻力作用而引起的一种涨水现象。
Freezing is a general phenomenon in the cold area. Ice flood is a rise of water when ice is hindered in river course.
冰期水位计算是冰水力学、冰水文学的重要内容，对于防治、预报凌汛乃至研究冰期河床演变均具有重要的作用。
It is an important content to calculate water level for ice hydraulics and ice hydrology and it has important effected on preventing and forecasting ice flood and bed evolution.
冰期水位计算是冰水力学、冰水文学的重要内容，对于防治、预报凌汛乃至研究冰期河床演变均具有重要的作用。
It is an important content to calculate water level for ice hydraulics and ice hydrology and it has important effected on preventing and forecasting ice flood and bed evolution.
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