河流污水饱和入渗对沿岸地下水质影响预测研究

Prediction of impact of river wastewater saturated infiltration on offshore groundwater quality

在分析野外现场观测资料的基础上,建立河流污水饱和入渗对沿岸地下水质影响的数学模型,应用全隐式差分和时间中心差分格式离散方程,并在计算过程中选择调用.以河流污水的保守性污染因子Cl-1和非保守性污染因子NH+4 N为例研究模型参数,应用江苏徐州市奎河的徐村和黄桥断面实测资料进行建模和验模,为污染河道沿岸地下水开发利用和水环境保护提供技术支持.

A mathematical model is developed for analysis of the impact of river wastewater saturated infiltration on offshore groundwater quality based on field data. The discrete equations with implicit differential and timecenter differential formats are used in calculation. With the conservative pollution factor Cl- and nonconservative pollution factor NH+4N for river wastewater as examples for research of model parameters, the model is established and verified based on the field data of Xucun and Huangqiao cross sections at Xuzhou City, Jiangsu Province, providing a technologic support for groundwater development and water environment protection in riparian areas along polluted rivers.