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3D-Groundwater Modeling with PMWIN: A Simulation System for by Wen-Hsing Chiang

By Wen-Hsing Chiang

This booklet and CD-ROM provide a whole simulation method for modeling groundwater stream and delivery strategies. The spouse full-version software program (PMWIN) comes with a qualified graphical user-interface, supported types and courses and several helpful modeling instruments. instruments contain a Presentation software, a end result Extractor, a box Interpolator, a box Generator, a Water finances Calculator and a photo Viewer. e-book and CD-ROM are specific at beginner and skilled groundwater modelers.

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Additional resources for 3D-Groundwater Modeling with PMWIN: A Simulation System for Modeling Groundwater Flow and Transport Processes

Example text

14). Many settings of this dialog box depend on the selection between the Block-Centered-Flow (BCF) and Layer Property Flow packages. 4 for details about the BCF and LPF package. When the LPF Package is used, the columns Transmissivity, Leakance and Storage Coefficient are dimmed to indicate that their settings are ignored, because the LPF package only uses HK, VK, Ss and Sy. When the BCF package is used, the column Vertical Anisotropy is dimmed since it is not supported by the BCF package. The settings of this dialog box are described below.

1) where (Kz )k,i,j and (Kz )k+1,i,j are the vertical hydraulic conductivity values of layers k and k+1, respectively. The ratio of horizontal to vertical hydraulic conductivity ranging from 1:1 to 1000:1 is common in model application [8]. A summary of hydraulic conductivity values can be found in [106]. 15b, semiconfining unit) by lumping the vertical hydraulic conductivity and thickness of the confining unit into a vertical leakance term between two adjacent layers. These kinds of models are often called quasi three-dimensional models, because semi-confining units are not explicitly included in a simulation.

Through the flexible, generic nature of PHREEQC2, PHT3D can handle a broad range of equilibrium and kinetic reactive processes, including aqueous complexation, mineral precipitation/dissolution, 28 2 Modeling Environment ion exchange and surface complexation. The associated program is used when selecting the menu item PHT3D | Run. Note that PHT3D is available only when a separate PHT3D module for PMWIN Pro is installed. – MGO [optional]: Modular Groundwater Optimizer [121], MGO, is a general simulation-optimization code incorporating MODFLOW and MT3DMS for groundwater resource and quality management.

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