| BIOSCREEN- data loading
|
| • Data must be entered
manually. Data is entered into a Microsoft Excel spreadsheet. |
|
| BIOSCREEN- graphic
loading |
| • Not applicable. |
|
| BIOSCREEN - logical
flow |
| • A novice can operate
this program if provided with an appropriate parameter value. |
|
| BIOSCREEN - expert
knowledge |
| • A hydrogeologist
should be consulted to estimate the hydrogeologic parameter values
that are necessary to enter into the program. |
| • Site-specific data
should be used whenever possible to estimate model parameters so
that the model is representative of potential site conditions. Although
site-specific data are always preferred, "typical" ranges of many
of the input parameters are provided in the manual. The selection
of "typical" parameters should be reviewed by the appropriate expert
(hydrogeologist, chemist, or environmental engineer). |
|
| BIOSCREEN - functionality
|
| • Switching between
views is easy. If the graphs and the sample data appear inconsistent,
the user can easily switch to the data entry screen to change values.
|
| • Observed data are
used for comparison, but not to run the model. Observed data plot
as points on the graphs of the simulated concentrations. |
| • The animation for
the centerline portion of the model is a useful feature. It moves
quickly, but it is possible to scroll slowly through each year.
The capability to animate the 3-D Array plots is not provided at
this time. |
|
| BIOSCREEN- documentation
|
| • The users guide includes
explanations and tips about how to enter data and what to expect
from the program. The guide also includes mathematical and computational
formulas in the appendices for reference. |
| • Information in the
on-screen Help file comes from the users guide. There is more background
information in the user's guide than in the on-screen help material.
|
| |
| BIOSCREEN - output
|
| • Output is provided
in the form of a centerline model or an array. For the centerline
model, concentrations are shown for the top of the contaminated
zone along the centerline of the plume. Model predictions are also
shown in tabular format and may be printed. |
| • The array function
presents a 3-D graphic of the contamination on an 11-cell-long by
5-cell-wide grid. The array will not plot unless the data are located
within this grid. |
| • For the array function,
concentration data are shown only in milligrams per liter (mg/L).
When the concentration is in micrograms per liter (ug/L), the scale
is too coarse. |
| |
| BIOSCREEN - sources
|
| • Version 1.4 downloaded
November 24, 2004. |
| • Users Guide Version
1. |
| • Users Guide Addendum
Version 2.2. |
| • Help Menus. |
|
BIOSCREEN
Overview 