ROMS processing water sluice in upstream

[Honolulu_Wang]

May I ask if ROMS could process this: Assuming I am going to model a lake and a river is in the upstream connecting the lake. But the river discharge was controlled by a water sluice, some times discharge is zero. So the water level in the late is influenced by that discharge.
Could ROMS process that? It is an ocean model but hopefully, it could be applied in the river-lake system.
Thanks.

[kate]

I think that should work. What would be problematic is a source turning into a sink sometimes, because the tracers need to come from upstream to be stable.