[RegCNET] setup RegCM3 for 360 day ICBC

[bixq]

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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