简化一维水质模型在突发水污染事故模拟预测中的应用

传统水质模拟预测模型对突发水污染事故事发地的水文、水下地形等资料要求较高，在缺乏相应资料时会影响对水污染事故的可靠预测和预警。为解决问题，亟需建立在应急条件下能快速预测预警的简化水质模型。以传统一维水质模型为基础，通过人工测量河流沿程流速，自动插值获得流场以替代模型中对流场的求解，再求解一维对流扩散方程，以此获得简化的一维水质模拟预测模型。模拟计算结果表明，相对于传统水质模型，简化后一维水质预警模型可快速准确地预测突发水污染事故后污染态势。

Simplified one-dimensional water quality model for sudden water pollution accidents

Because the traditional water quality simulation prediction model has high requirements for the hydrological and underwater topography data of the incident place, it has great limitations in the practical application due to the lack of corresponding data in response to sudden water pollution accidents, and it is unable to make reliable prediction and early warning of water pollution accidents. In order to meet the needs of rapid emergency disposal of water pollution accidents, a simplified one-dimensional water quality simulation and prediction model is obtained by measuring the flow velocity along the river manually instead of solving the flow field in the model. The simulation results show that compared with the traditional water quality model, the simplified one-dimensional water quality early warning model can quickly and accurately predict the pollution situation after sudden water pollution accidents.