MT3DMS: A Modular Three-Dimensional Multispecies Transport Model for Simulation of Advection, Dispersion, and Chemical Reactions of Contaminants in Groundwater Systems; Documentation and User’s Guide

The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. The findings of this report are not to be construed as an official Department of the Army position, unless so designated by other authorized documents. viii Figure 31. Comparison of the calculated concentrations with the analytical solutions (solid lines) and numerical solutions (symbols) for the one-dimensional test problem .. Figure 32. Comparison between the analytical solution and three different numerical solutions for purely advective cases and smooth cases .. Figure 34. Comparison between the analytical solutions (solid lines) and numerical solutions (symbols) for one-dimensional transport involving nonequilibrium sorption.. Figure 42. Plume configuration at (a) t = 8 years, (b) t = 12 years, and (c) t = 20 years as calculated by MT3DMS with the ix Figure 43. Configuration of the test problem involving transport in a heterogeneous aquifer with a strong regional gradient.. Figure 47. Initial distribution of 1,2-DCA in ppb at approximately 30 m (100 ft) below the land surface at the study site for the field example problem.. (1999). " MT3DMS: A modular three-dimensional multispecies transport model for simulation of advection, dispersion, and chemical reactions of contaminants in groundwater systems; documentation and user's guide, " Contract Report SERDP-99-1, U. The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products.