Category Contaminant transport (1D)
Publisher  GAEA Technologies Ltd. 
Platform Win95/98, Win2000, WinXP
Status Commercial
Description Pollute is finite layer modelling software for contaminant migration. It considers advective-dispersive transport in 1.5D, non-linear sorption, radioactive and biological decay, transport through fractures, passive sinks, phase changes, and time-varying properties. It is based upon the project concept for data storage, where the user has numerous projects and within each project there are numerous models. Model features: New models can be created using either a blank model, the wizard, or a quick entry model. There are four quick entry models: Primary Liner Landfill, Primary and Secondary Liner Landfill, Vertical Migration, and Horizontal Migration. A graphical diagram of the model is displayed as it is created. Models can contain up to 200 layers. The graphical symbol and color for a layer can be assigned and shown on the model diagram. Layers can contain 1, 2 or 3 dimensional fractures. The diffusion coefficient, distribution coefficient, and phase change parameter can be specified for each layer. The top boundary condition can be zero flux, constant concentration, or finite mass. The bottom boundary condition can be zero flux, constant concentration, fixed outflow, or infinite thickness. The subsurface concentrations can be calculated at specified times or the time of the maximum concentration can be automatically found by the program. Radioactive or biological decay of the contaminant can be modeled. An initial concentration profile at specified depths can be input. Freundlich and Langmuir non-linear sorption can be modeled. Source, velocities, and layer properties can be varied with time. One or more passive sinks can be specified to model horizontal velocities in layers and the removal of contaminants. Monte Carlo simulation can be used to evaluate the effects of uncertainty of model parameters. Sensitivity analysis can be used to predict the expected range of concentration when parameter values are not known accurately. Output Features: Concentration versus Depth Graph; Concentration versus Time Graph; Time versus Depth Graph; Flux versus Time Graph; Text Listing. If the model used the Monte Carlo or Sensitivity Analysis output includes: Distribution of the Maximum Concentration; Distribution of the Time of the Maximum Concentration; Distribution of the Variable Values; Text Listing. Output can be exported as ASCII, Excel, Access, RTF, pdf, Lotus 123, Paradox or HTML. The Professional edition is best suited for landfill design and the Standard edition is best suited for environmental remediation. A free demonstration version is available.
Cost Professional US Dollars 1495. Standard US Dollars 695
Data formats supported Database and Spreadsheet  :  Excel   :  Paradox 
Documents  :  Rich Text Format 
Supplier in Canada  GAEA Technologies Ltd. 
Supplier in United States of America  Scientific Software Group 

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