Unexpected behavior ROMS

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adilsonborges
Posts: 30
Joined: Fri Mar 10, 2017 11:22 pm
Location: Universidade Federal do Maranhão, Brazil

Unexpected behavior ROMS

#1 Unread post by adilsonborges »

Hi all,

I was performing a long integration (1985 to 2015), when in December 2006 the model presented unexpected behavior, the model continues to run, it passes to 2007-01-01, but the .nc (avg) output file is very low values of salinity and temperature. Attached is the .out file for month 12 of 2006 and one archive .out for 2006-11-01 (normal behavior.

This warning appears only 2006 12 .out archive:

NLM: GET_STATE - Warning - NetCDF global attribute: NLM_LBC
for lateral boundary conditions not checked
in restart file: input.nc

My ini configurations:

LBC(isFsur) == Cha Cha Cha Cha ! free-surface
LBC(isUbar) == Fla Fla Fla Fla ! 2D U-momentum
LBC(isVbar) == Fla Fla Fla Fla ! 2D V-momentum
LBC(isUvel) == RadNud RadNud RadNud RadNud ! 3D U-momentum
LBC(isVvel) == RadNud RadNud RadNud RadNud ! 3D V-momentum
LBC(isMtke) == Clo Clo Clo Clo ! mixing TKE

LBC(isTvar) == RadNud RadNud RadNud RadNud \ ! temperature
RadNud RadNud RadNud RadNud ! salinity

My study domain is Equatorial Atlantic Ocean (12N 12S 60W 19.4W)

Best regards!
Attachments
atleq3_20061101.txt
atleq3_20061101
(837.67 KiB) Downloaded 290 times
atleq3_20061201.txt
atleq3_20061201
(190.95 KiB) Downloaded 247 times

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kate
Posts: 4091
Joined: Wed Jul 02, 2003 5:29 pm
Location: CFOS/UAF, USA

Re: Unexpected behavior ROMS

#2 Unread post by kate »

Do you have a restart record from before things went bad? It might be worth rerunning to see if it happens again. That warning you quote is nothing to worry about.

adilsonborges
Posts: 30
Joined: Fri Mar 10, 2017 11:22 pm
Location: Universidade Federal do Maranhão, Brazil

Re: Unexpected behavior ROMS

#3 Unread post by adilsonborges »

Hi kate, again, thank you very much for your attention,

Kate, I have a restart record (2006 11) I used it to restart my experiment, when I plotted my kinetic energy and saw that in month 12 of 2006 it showed a drop reaching 0. I have another experiment that uses only the different TCLINE, and it run normally from 2006 to 2015.

Thanks!

adilsonborges
Posts: 30
Joined: Fri Mar 10, 2017 11:22 pm
Location: Universidade Federal do Maranhão, Brazil

Re: Unexpected behavior ROMS

#4 Unread post by adilsonborges »

Kate,
PROBLEM SOLVED:
I come to thank you and apologize for making a silly mistake, I missed the DSTART (2006 11 01) time in the run.sh file. Sorry.

Best regards!!
Thank you!

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