Leap-frog time stepping - re-initialization

Hi people,

I would like to be able to re-initialize my passive tracer fields at every time step of the ocean component of CCSM3.
Unfortunately it is not as straight-forward as expected because of the 3-time-level modified leap-frog time stepping.

Has any-one of you ever tried to do a re-initialization at each time step ? Or knows about the time stepping scheme ?

thanks in advance
x
 
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