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Figure 5-2: Example of simulation results (head and concentration). Note that the solute concentration is indicated
with the color overlay (red = high concentration; blue = low concentration).

5.1.3 Pausing, Editing, and Submitting New Models

Pausing a Model. At any point in the simulation, users can pause it by LM clicking on
the ‘Pause’ button along the left-side of the MAGNET Modeling Environment (see
Section 2.4). MAGNET will finish its calculations and the model redraws for the present time step before
appearing idle. Once the simulation is paused, the user may:

• Add particles for particle tracking (note that this will reset the particle tracking clock – see Section
5.6).
• View model results and perform analyses (see Sections 5.3-5.6 and Chapter 6)
• Update display options (see Section 5.2)
• Hide/show the model results, or reset./save the model (see Chapter 7)
After making adjustments, the user can resume simulation by clicking on the ‘Forward’
button along the life-side of the MDWA. The option to run the simulation in reverse
(e.g., for the purposes of reverse particle tracking), LM click on the ‘Backward’ button
instead.

Editing and Submitting a New Model. Any changes to the model conceptualization (e.g., conceptual features
added or updated, the aquifer elevations are assigned differently, etc.) require that the model is re-
submitting for simulation. Once the red ‘SIMULATE’ is selected, a prompt will appear asking the user to

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