挠力河流域三维地下水流数值模拟

挠力河流域三维地下水流数值模拟

卢文喜¹，李平¹，王福林²，郭龙珠³

1.吉林大学环境与资源学院，长春 130026;2.东北农业大学工程学院，哈尔滨 150030;3.河海大学水文水资源与水利工程国家重点实验室，南京 210098

收稿日期:2006-07-13 修回日期:1900-01-01 出版日期:2007-05-26 发布日期:2007-05-26
通讯作者: 卢文喜

Three-Dimensional Numerical Simulation of Groundwater in Naolihe Watershed

LU Wen-xi¹，LI Ping¹，WANG Fu-lin²，GUO Long-zhu³

1. College of Environment and Resources, Jilin University, Changchun 130026, China;2. Engineering College, Northeast Agricultural University, Harbin 150030, China;3. State Key Laboratory of HydrologyWater Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China

Received:2006-07-13 Revised:1900-01-01 Online:2007-05-26 Published:2007-05-26
Contact: LU Wen-xi

摘要/Abstract

摘要： 在分析概化挠力河流域地质及水文地质条件的基础上，建立了研究区地下水流系统的三维数学模拟模型，运用Visual MODFLOW软件进行求解，并对研究区未来7年的地下水流场进行了预报。模型预报过程中用迭代逼近方法预报二类边界，用频谱分析法预报年降水量和地下水开采量，实现了随机模型与确定性模型相耦合。结果表明，研究区地下水多年平均补给量为20.9×10⁸ m³/a。从预报的等水位线图看出，按照预测的开采量进行开采，研究区的地下水位在预报期间略有下降，每年平均下降0.329 m。

关键词: 挠力河流域, 三维数值模拟, Visual MODFLOW

Abstract: Based on analyzing and conceptualizing the geologic and hydrogeologic conditions of Naolihe watershed, the numerical simulation model of groundwater flow system has been built and solved by Visual MODFLOW, and groundwater flow regime in future 7 years has also been predicted. In the process of model prediction, second-type boundary was forecasted with iterative method, annual precipitation and groundwater withdrawal was forecasted by spectral analysis, which well realized the coupling of stochastic model and deterministic model. The results show that the average annual recharge of groundwater in the research area is 20.9×10⁸ m³/a. From predicted head equipotentials, it can be seen that groundwater level in the research area will declinef during prediction periods with the avarage speed of 0.329m/a if mining according to the forecasted withdrawal.

Key words: Naolihe watershed, threedimensional numerical modeling, Visual MODFLOW

中图分类号:

P641.2

卢文喜，李平，王福林，郭龙珠. 挠力河流域三维地下水流数值模拟[J]. J4, 2007, 37(3): 541-0545.

LU Wen-xi，LI Ping，WANG Fu-lin，GUO Long-zhu. Three-Dimensional Numerical Simulation of Groundwater in Naolihe Watershed[J]. J4, 2007, 37(3): 541-0545.

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