Ocean Modeling Discussion

ROMS/TOMS

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PostPosted: Mon Sep 30, 2013 3:03 am 
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Joined: Thu Sep 14, 2006 4:33 pm
Posts: 25
Location: LTO, SCSIO
The calcuation of tau in t3dbc_im.F of the latest version is writen as:

Code:
                  tau=Tobc_out(itrc,ng,iwest)
                  IF ((dTdt*dTdx).lt.0.0_r8) THEN
                    tau=Tobc_in(itrc,ng,iwest)
                  ELSE
                    tau=tau*dt(ng)
                  END IF


and it should be:

Code:
                  IF ((dTdt*dTdx).lt.0.0_r8) THEN
                    tau=Tobc_in(ng,iwest)
                  ELSE
                    tau=Tobc_out(ng,iwest)
                  END IF
                  tau=tau*dt(ng)


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PostPosted: Tue Oct 01, 2013 1:43 am 
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Joined: Wed Feb 26, 2003 4:41 pm
Posts: 1079
Location: IMCS, Rutgers University
Wow, great catch :!: You should get the award for the most significant bug discovered by a regular ROMS user. I updated the code. See the following :arrow: trac ticket for details.

Thank you for reporting this important bug. It is possible that it has very little impact in some applications. It just implies that boundary tracer value was not nudged as strongly as we specified.


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PostPosted: Tue Oct 01, 2013 7:13 am 
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Joined: Fri Apr 30, 2004 6:41 pm
Posts: 24
Location: IRD, FRANCE
Hi Hernan, could that explain the "inconsistency" between surface bulk formulations and OBCs in the simulations that you presented in Rio last year?


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