Ocean Modeling Discussion

ROMS/TOMS

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PostPosted: Mon Jul 05, 2010 7:45 am 
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Joined: Tue Aug 21, 2007 5:44 pm
Posts: 158
Location: Jeju National University
Dear Users,
What should I do if I want to write the streamfunction?

Thanks in advance

-Joonho


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PostPosted: Thu Jul 08, 2010 11:08 pm 
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Joined: Wed Jul 02, 2003 5:29 pm
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Location: IMS/UAF, USA
ROMS recently added the ability to write the vorticity, not the streamfunction. To get from vorticity to streamfunction involves an elliptic solver. We used to do this back in the SPEM days, in serial only. I would do it as a post-processing step and we've done a pseudo streamfunction just using the relationship between velocity and streamfunction, integrating across. To do the full elliptic solve, you need to satisfy all the boundary conditions, including those at the edges of the land mask. How careful do you need to be?


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