Bioplume II

Model for transport of dissolved hydrocarbons under the influence of oxygen-limited biodegradation



Bioplume II DESCRIPTION

Bioplume II is a U.S. EPA computer model of two-dimensional transport of dissolved hydrocarbons under the influence of oxygen-limited biodegradation. The model computes concentration changes due to advection, dispersion, mixing and biodegradation. The model solves the transport equation twice (for hydrocarbon and oxygen) using the method of characteristics and computes two plumes at each time step which are then combined using superposition. Four sources of oxygen are provided: through injection wells, initial dissolved oxygen in the uncontaminated aquifer, natural recharge of oxygen across the boundaries, and vertical exchange of oxygen from the unsaturated zone (reaeration). Large grids to 120 X 120 are permitted. Up to 25 observation points may be specified. Look for Bioplume III due for release soon.

Bioplume executes in an integrated environment and includes pre- and post-processors and a View function for examining and printing portions of large output files. An optional graphics module, Bioplot, is not included. The Bioplume II package includes the source code, executable version, documentation, and technical support.

Bioplot

Bioplot is a new graphics package which runs in the integrated Bioplume II environment. It can automatically contour up to 200 sets of concentration (hydrocarbon, oxygen) and head data and can superimpose velocity vectors on the contours. Bioplot can also generate time history plots (linear, semi-log, vertical profile) for both hydrocarbon and oxygen data for up to 25 observation points. Bioplot options include contour selection and levels, titles and labels, pen selections, curve types, number of curves, background and symbol selection.

Bioplot includes the source, executable code, documentation, and technical support.


Incredible NetworksΤελευταία Ενημέρωση 27 Ιουλίου 2004 - Last Revised on July 27th 2004
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