[MITgcm-support] restart from pickup files but change deltaT problem with EXF

[Jean-Michel Campin]

Hi Chunyan,

Solution 2 should work.

Otherwise, with solution 1, and since the model time is 
 t = baseTime + myIter * deltaTClock, with default baseTime value =0,
you can set "baseTime" in parameter file "data", namelist PARM03, to
 Iter0*(old_deltaT - new_deltaT) = 72000*(60-80)
and this should also work.

Cheers,
Jean-Michel

On Sat, Jan 05, 2013 at 08:59:37PM +0000, Chun-Yan Zhou wrote:
> 
> First the deltaT in data file is 60s. And get a pickupfile at iter=72000.
> I  restart from  pickup files but want to change deltaT=80s.
> But there is two different set up for me.
> 1. set the  Iter0=72000 in the data file.
> But, I use EXF applying wind and set date in as 20090101 in the data.cal,
>  Will it automatically know which time should load the wind after I change the deltaT?
> 2. set the Iter0=72000*60/80=54000 in the data file and change the pickup file of iter=72000 into iter=54000.
> In this way, it seems there is no worry about the EXF loading problem.
> 
> Any suggestions is much appreciated.
> 
> Chunyan Zhou
> Division of Civil Engineering
> School of Engineering, Physics and Mathematics
> College of Art, Science and Engineering
> Fulton Building,G19
> University of Dundee
> Dundee, UK DD1 4HN
> Tel. 01382 385431
> 
> 
> 
> The University of Dundee is a registered Scottish Charity, No: SC015096

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