Ocean Modeling Discussion

ROMS/TOMS

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 Post subject: Sea ice in ROMS
PostPosted: Wed Apr 03, 2013 3:03 am 
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Joined: Mon Apr 02, 2012 4:58 pm
Posts: 19
Location: Georgia Tech
Hi,

I am trying to run ROMS in the Ross Sea, which has sea ice shelf similar to the Weddell Sea.

I find the Ice code by Kate from https://github.com/kshedstrom/roms/tree ... OMS/SeaIce

I'd better use the ICESHELF in cppdefs or the ice code for the Ross Sea case?

I suppose the Sea Ice module will perform better than ICESHELF in cppdefs, it that true?

If use the sea ice module, how can I specify it in cppdefs or somewhere else?

Thanks in advance!

Fan


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 Post subject: Re: Sea ice in ROMS
PostPosted: Wed Apr 03, 2013 4:14 pm 
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Joined: Wed Jul 02, 2003 5:29 pm
Posts: 3633
Location: IMS/UAF, USA
There's more than one kind of ice at sea. The ICESHELF option sounds like what you are looking for. It is a rigid ice cover for which you have to provide its thickness, which can be hundreds of meters.

You may or may not also have sea ice, provided by the ICE_MODEL option. Sea ice has both dynamics and thermodynamics and is typically under ten meters thick (though it can get thicker spots up against a coastline). Sea ice is not completely rigid and can have a fractional ice cover, the other fraction being water exposed to air in leads.

Note: the ROMS trunk code might have the ICESHELF option, but my branch has additional thermodynamics with the ICESHELF code, provided by people from Old Dominion University.


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 Post subject: Re: Sea ice in ROMS
PostPosted: Sat Apr 06, 2013 1:29 am 
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Joined: Mon Apr 02, 2012 4:58 pm
Posts: 19
Location: Georgia Tech
Kate, thanks very much.

Fan

kate wrote:
There's more than one kind of ice at sea. The ICESHELF option sounds like what you are looking for. It is a rigid ice cover for which you have to provide its thickness, which can be hundreds of meters.

You may or may not also have sea ice, provided by the ICE_MODEL option. Sea ice has both dynamics and thermodynamics and is typically under ten meters thick (though it can get thicker spots up against a coastline). Sea ice is not completely rigid and can have a fractional ice cover, the other fraction being water exposed to air in leads.

Note: the ROMS trunk code might have the ICESHELF option, but my branch has additional thermodynamics with the ICESHELF code, provided by people from Old Dominion University.


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