[RegCNET] setup RegCM3 for 360 day ICBC

[Ufuk Utku Turuncoglu]

One more question. How can i define 360 day calendar in Grads CTL file? 
I know that Grads only support 365_day_calendar.

Thanks,

--ufuk

On 3/28/10 10:48 PM, bixq wrote:
>
> Step I, ICBC.f  (under RegCM/PreProc/ICBC)
>
>   in ICBC.f, find the SUBROUTINE INITDATE, set all 12 month to 30 days
>
> NDAY = 30
>
> Step II,  INITDATE.F (under RegCM/Main)
>
>   do the same as above.
>
> Step III, solar1.F (under RegCM/Main)
>  find dayspy, change it to 360 exactly (from original 365.24), like
>
>   Change
>       dayspy = 365.24
>   To
>       dayspy = 360.
>
> Step IV, tgrund.F, (under RegCM/Main), probably this code doesn't matter.
>
>   Change
>       xnua = xnu/365.
>
>   to
>       xnua = xnu/360.
>
> Step V, if you are GrADS user, if you like, you need change all the 
> subroutines related to writing out GrADS CTL files.
>
>
> I guess that you are using HadCM3 output, right.
>
> For the user use CCSM data (CCSM use 365 days, no leap year), he/she
> also have to do the similar modifications.
>
> Regards,
> Xunqiang Bi
>
> On Sat, 27 Mar 2010, u.utku.turuncoglu at be.itu.edu.tr wrote:
>
>> Hi,
>>
>> I try to setup a RegCM3 run that uses HadCM output as an initial and
>> boundary condition. As you know, the year is defined as 360 day in HadCM
>> model and i think that RegCM main code must be modified for this case. I
>> do following modifications,
>>
>> 1 - update dayspy value to 360. in solar1.F.
>>
>> 2 - comment or delete lines between 24 and 34. I also added  NDAY=30 
>> after
>> these lines.
>>
>> I just want to ask that are these modifications correct? Do i need any
>> additional steps?
>>
>> Best regards,
>>
>> --ufuk
>>
>>
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>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   Dr. Xunqiang Bi         email:bixq at ictp.it
>   Earth System Physics Group
>   The Abdus Salam ICTP
>   Strada Costiera, 11
>   P.O. BOX 586, 34100 Trieste, ITALY
>   Tel: +39-040-2240302  Fax: +39-040-2240449
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