中文摘要：

采用Visual MODFLOW（VMOD）模型对武威盆地地下水动态进行数值模拟,预测规划年水资源配置方案下威武盆地地下水动态.模型识别与验证结果表明VMOD模拟效果良好,可用于研究区地下水系统采补平衡分析.水资源配置方案下的VMOD模型预测结果表明：各规划年地下水系统补、径、排空间格局总体趋势变化较小,山麓洪积扇井河混灌区南部地下水水位持续下降.至2020年,地下水位上升区间由盆地中部逐渐向东南方向移动,泉水溢出区地下水系统一定程度上得到恢复,地下水位整体下降情况逐步得到改善.

英文摘要：

The Visual MODFLOW （VMOD） was adopted for a numerical simulation of the groundwater system dynamics in the Wuwei Basin. The groundwater dynamics under the planned water allocation scenario till 2020 was computed by the calibrated model, showing a satisfactory efficiency of the model calibration for the area. VMOD＇s application for determining the impact of implementing water allocation scenario resulted in a continuous declination of groundwater level at the top alluvial-proluvial fan in the piedmont area, where the surface and underground water mixed irrigation dominated. In the year of 2020, an overall improvement in the groundwater level would appear. The main area of rising groundwater level would move from the middle to the southeast part of the basin, which will benefit the recovery of the underground water system and the local spring maintenance in the basin.