[MITgcm-support] How to force every 5day data as daily through data.exf

[Martin Losch]

Hi Kunal,

If you use the calendar package, your timestep 0 corresponds to model startdate_1/2 in data.cal
If you don’t use the cal packaghen, your timestep 0 corresponds to an arbitrary start date 

the startdates ind date.exf refer to the model start dates, let’s say your timestep 0 is at year 0001, Jan01 at midnight 12am (0:00:00), then your exf file should have, say for variable atemp:
 atempstartdate1   = 00010101,
 atempstartdate2   = 000000,
 atempperiod       = 432000.0, # = 5 days

The start date changes, if you use data.cal and have a nonzero model start date.

See verification/global_ocean.cs32x15/input.seaice and others for examples how to set up the exf and cal namelists.

Martin

> On 31. Jan 2021, at 12:55, kunal madkaiker <kunal.madkaiker02 at gmail.com> wrote:
> 
> Dear All,
> 
> I have an input file with data every 5th day (Eg: 1st, 5th, 10th,..) which I am trying to force through data.exf. Which flag can I use so that model reads the 1st day data for 5 days, then 5th day data for 5 days and so forth.
> Any suggestions?
> 
> Regards
> Kunal
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