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To edit the data for a Vertical Migration model select the Model Parameters menu item from the Data Entry menu. The Vertical Migration form will be displayed. This form has several tabs for editing the data for the model. Each of these tabs is described in the sections below.
This tab is for editing the title and selecting what layers are present in the model. The model may contain a collection system, geomembrane, clay liner, aquitard, or aquifer.
This tab is used to specify the data for the source of contaminants. It is the same as the Source tab for Primary Liner Landfills and is described in that section above.
This tab is used to specify the hydraulic head data for the model. It is the same as the Heads tab for Primary Liner Landfills and is described in that section above.
This tab is used to specify the data for the geomembrane. It is the same as the Geomembrane tab for Primary Liner Landfills except that the Leakage Method is assumed to be Rowe et. al, 2004. It is described in that section above.
This tab is used to specify the data for the leakage through the geomembrane. It is the same as the Rowe Leakage tab for Primary Liner Landfills and is described in that section above.
This tab is used to specify the data for the clay liner. It is the same as the Clay Liner tab for Primary Liner Landfills and is described in that section above.
This tab is used to specify the data for the aquitard. It is the same as the Aquitard tab for Primary Liner Landfills and is described in that section above.
This tab is used to specify the data for the aquifer. It is the same as the Aquifer tab for Primary Liner Landfills and is described in that section above.
After this all of the information on the previous tabs has been entered the minimum horizontal outflow velocity in the aquifer will be calculated. You will then have the option of using this velocity or a higher velocity. It is the same as the Outflow Velocity tab for Primary Liner Landfills and is described in that section above.