Ocean Modeling Discussion

ROMS/TOMS

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PostPosted: Sun Mar 26, 2017 5:32 am 
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Joined: Thu Aug 01, 2013 3:11 pm
Posts: 30
Location: Ocean University of China
Hi,
The roms output density anomaly is not consistent with the value I calculated using temp and salt. But the roms output potential vorticity is consistent with value I calculated.


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File comment: The section is along 30 N.The result is 3-day averaged in March. Potential density is shown in white line, pv is shown in color. The left density is calculated using temp and salt; the right density is from roms averaged output file.
ubar9.png
ubar9.png [ 246.65 KiB | Viewed 1172 times ]
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PostPosted: Sun Mar 26, 2017 6:44 am 
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Joined: Wed Jul 02, 2003 5:29 pm
Posts: 3641
Location: IMS/UAF, USA
It looks like one is potential density, the other in situ density. If you look at mod_ocean.F, the model has both:
Code:
!  pden         Potential Density anomaly (kg/m3).                     !   
!  rho          Density anomaly (kg/m3).                               !
However, wrt_his.F only writes rho, not pden. One could modify the output to add the option to write pden.


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