## Advanced / Configuration Setup / Multiple Trajectories in Time

Restart Interval - NSTR (0) - Hours between trajectory starts for multiple trajectory-in-time simulations. When greater than zero, new trajectories will be started from the original starting location every NSTR hours from the initial trajectory starting time. See the special trajectory simulation section for more information.

Number of Multiple Levels - NVER (0) - Number of vertical levels that trajectories are restarted when trajectories for multiple trajectory-in-time-and-space simulations. When greater than zero, new trajectories will be started at this number of levels from the endpoint position at the NSTR interval. The level heights are set in the CONTROL file and must match the number of starting locations. See the special trajectory simulation section for more information.

Trajectory Duration - MHRS (9999) - Sets the maximum temporal trajectory restart period. For instance if you want to compute one month's worth of two-day trajectories, then the run duration would be 720 hours, MHRS would be set to 672 hours (720-48), and KHMAX (see below) would be set to 48 hours.

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