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在大气-土壤-地下水连续系统(ASGC)中,本文将土壤水-地下水部分用动力学理论和数值模拟技术结合的方法,研究了地下水与土壤盐渍化关系,并进行了动态模拟.在完成土壤水盐数据自动采集系统研制、水盐运动参数测定、数学模型建模识别、数值计算方法选择评价4项基础研究后,针对干旱区的一个大型灌区土壤-水环境中溶质迁移动态进行了系统模拟,获得复杂环境条件下多因子、多处理组合模式化的图谱,有助地下水与土壤盐渍化定量关系深入揭示、水土资源管理与预测
In ASGC, this paper studied the relationship between groundwater and soil salinization by dynamic theory and numerical simulation of soil water - groundwater, and carried out dynamic simulation. After completing four basic researches, such as the development of automatic data acquisition system of soil water and salinity data, the determination of parameters of water and salt movement, the modeling and identification of mathematical model and the selection and evaluation of numerical methods, the solute transport in soil-water environment of a large irrigation area The systematic simulation and multi-factor and multi-treatment combination pattern map under complex environment conditions help to reveal the quantitative relationship between groundwater and soil salinization, and the management and prediction of soil and water resources