伊犁河谷平原灌区地下水流数值模拟研究

本论文运用有限差分法，结合研究区域地下水含水介质系统，采用二维非稳定流数学模型对地下水系统进行了数值模拟，对研究区地下水动态变化进行了评价，为今后的地下水资源评价与管理提供了一种有效的分析方法，为相同条件下的其它区域地下水资源的管理提供了科学依据。利用较为成熟的三维可视化地下水分析计算软件GMS的Modnow模块建立研究区地下水系统的数学摸型，分析预测了研究区在现状条件下的地下水运移规律。并据此提出了研究区的盐碱地治理措施和建议以及水资源利用和生态环境保护措施。

Numerical Simulation of Groundwater Flow in Yili River Basin, Xinjiang

Numerical-model constitutes the main method used to solve the groundwater quantity management problems and to evaluate the groundwater flow mixing between different aquifer levels. This numerical method has the ability to consider the complicated hydrogeological characteristics that vary according to the temporal and spatial conditions. In this study, On the basis of analyzing the numerical simulation methods of groundwater systematically and combining study area＇s water resources system, was used to a three dimensional finite-difference model for simulate ground-water flow in the Ili River Basin to gain a better understanding of the ground-water flow system and to evaluate the hydraulic effects of artificial recharge of imported water. For groundwater analogue calculation of this time, we introduced more advanced Three- dimensional Visual Calculation Software -GMS, established math model of groundwater system in the study area, to forecast groundwater motion law in the condition of existing situation. All conclusions we sum up in the paper provide efficient analysis methods for estimate the sustainability of the groundwater resource and to delineate suitable plan for future groundwater management in the Ili River Basin and provide the significant reference for the evaluation of scientific management of local groundwater resources.