• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Ground water >Flow-Through Stream Modeling with MODFLOW and MT3D: Certainties and Limitations
【24h】

Flow-Through Stream Modeling with MODFLOW and MT3D: Certainties and Limitations

机译：使用MODFLOW和MT3D进行流式流建模：确定性和局限性

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This paper aims to assess MODFLOW and MT3D capabilities for simulating the spread of contaminants from a river exhibiting an unusual relationship with an alluvial aquifer, with the groundwater head higher than the river head on one side and lower on the other (flow-through stream). A series of simulation tests is conducted using a simple hypothetical model so as to characterize and quantify these limitations. Simulation results show that the expected contaminant spread could be achieved with a specific configuration composed of two sets of parameters: (1) modeled object parameters (hydraulic groundwater gradient, hydraulic conductivity values of aquifer and streambed), and (2) modeling parameters (vertical discretization of aquifer, horizontal refinement of stream modeled with River [RIV] package). The influence of these various parameters on simulation results is investigated, and potential complications and errors are identified. Contaminant spread from stream to aquifer is not always reproduced by MT3D due to the RIV package's inability to simulate lateral exchange fluxes between stream and aquifer. This paper identifies the need for a MODFLOW streamflow package allowing lateral stream-aquifer interactions and streamflow routine calculations. Such developments could be of particular interest for modeling contaminated flow-through streams.
机译：本文旨在评估MODFLOW和MT3D的功能，以模拟与冲积含水层之间存在异常关系的河流中污染物的扩散，其中地下水压头的一侧比河流头高，而另一侧则低（直流）。 。使用简单的假设模型进行了一系列模拟测试，以表征和量化这些限制。仿真结果表明，采用由两组参数组成的特定配置可以实现预期的污染物扩散：（1）建模对象参数（液压地下水梯度，含水层和河床的水力传导率值）和（2）建模参数（垂直）含水层离散化，用River [RIV]程序包建模的水流水平精化）。研究了这些各种参数对仿真结果的影响，并确定了潜在的复杂性和错误。由于RIV软件包无法模拟河流和含水层之间的横向交换通量，因此MT3D并不总是将污染物从河流扩散到含水层。本文确定了对MODFLOW流量软件包的需求，该软件包允许横向流-含水层相互作用和流量常规计算。对于建模受污染的流通流，此类开发可能特别有意义。

著录项

  • 来源
    《Ground water》 |2015年第6期|967-971|共5页
  • 作者

    Ben Simon Rose; Bernard Stephane; Meurville Charles; Rebour Vincent;

  • 作者单位

    Ausy Grp, Issy Les Moulineaux, France;

    Inst Radioprotect & Surete Nucl, Fontenay Aux Roses, France;

    Inst Radioprotect & Surete Nucl, Fontenay Aux Roses, France;

    Inst Radioprotect & Surete Nucl, Fontenay Aux Roses, France;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号