[MITgcm-support] rbcs time line

[Oliver Jahn]

Hi Aurelien,

if your files are snapshots at the given iteration numbers, then yes, 
the rbcsForcingOffset should be 900.  The default offset of 0 is 
designed for time averages labeled by the end of the averaging period.

Oliver

On 06/03/2011 06:47 PM, Aurelien L Ponte wrote:
> Hi all,
>
> Imagine I want to relax simulation s1 toward simulation s2.
>
> Both have same time step (90s)
> outputs of s2 are every 1800s (20 iterations)
> relaxation files (from s2) are rbcs_T.0000000000, rbcs_T.0000000020 ...
>
> Could anybody please confirm that I need to prescribe rbcsForcingOffset=900 in order to have
> the right synchronization between run s1 and s2 ?
>
> thanks
>
> aurelien
>
>
>
> relevant part of data.rbcs:
>
>    useRBCtemp=.true.,
>    useRBCsalt=.true.,
>    tauRelaxT=1000.,
>    tauRelaxS=1000.,
>    relaxMaskFile='rbcs_mask.bin','rbcs_mask.bin',
> #   relaxMaskFile(3)='rbcs_mask.bin',
>    relaxTFile='rbcs_T',
>    relaxSFile='rbcs_S',
>    rbcsForcingPeriod=1800.,
> #  rbcsForcingPeriod = dumpFreq of original run
>    rbcsSingleTimeFiles=.true.,
> #   rbcsIniter=-20,
>    rbcsForcingOffset=900,
> #
>    rbcsForcingCycle=0.,
>
>
>
>
>
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