SA Waterbulletin March 1999

Abstract

University of the Free State IMNROC 01 4MA400 VA44*0 Appliod Groundwator Moddlinq uing Proewqqing Modflow 21-30 Seplember 1999 Applications of MODFLOW, a modular threedimensional finite-difference groundwater model of the US Geological Survey to describe and predict the behaviour of groundwater systems, have increased significantly over the last few years. Since the publication of MODFLOW various codes have been developed. Examples of these codes are the advective transport (particle tracking) models PMPATH for Windows and MOIDPATH, the solute transport models MT30, MT3DMS and MOC31), and the parameter estimation programs PEST and UCODE. These models require complex data structure, several graphical software have been developed to facilitate the use of These codes. Processing Modf low for Windows (PMWIN) is one of the most complete groundwater simulation systems in the world. PMWIN provides full support to all of the above codes.

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