[mpas-developers] MPAS_360DAY calendar option

[Chen, Qingshan]

The output seems to make sense if we all agree that February has 28 days, March has 31 days ....
On Feb 29, 2012, at 9:34 AM, Ringler, Todd D wrote:

> 
> 
> Hi All,
> 
> I think that the 360 days per year option within the ESMF calendar might not be working as expected. I wanted to do a quick scoping here to see if anyone else has had a similar experience or has a quick fix.
> 
> The default in our registry is "namelist integer   sw_model config_calendar_type       MPAS_360DAY". Digging into frameworks/mpas_timekeeping.F, then implies 30 days per month per the following code:
> 
>      if(TheCalendar == MPAS_360DAY) then
>         daysInMM = 30
>      else
>         if (TheCalendar == MPAS_GREGORIAN .and. isLeapYear(YYYY)) then
>            daysInMM = daysInMonthLeap(MM)
>         else
>            daysInMM = daysInMonth(MM)
>         end if
>      end if
> 
> 
> Yet when I run with a 30 day interval for restarts, I get
> 
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 16:08 restart30km.0001-01-31_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 16:55 restart30km.0001-03-02_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 17:42 restart30km.0001-04-01_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 18:28 restart30km.0001-05-01_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 19:15 restart30km.0001-05-31_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 20:03 restart30km.0001-06-30_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 20:51 restart30km.0001-07-30_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 21:46 restart30km.0001-08-29_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 22:34 restart30km.0001-09-28_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 28 23:28 restart30km.0001-10-28_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 00:23 restart30km.0001-11-27_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 01:24 restart30km.0001-12-27_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 02:25 restart30km.0002-01-26_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 03:21 restart30km.0002-02-25_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 04:09 restart30km.0002-03-27_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 05:05 restart30km.0002-04-26_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 06:08 restart30km.0002-05-26_00:00:00.nc
> -rw-rw-r--  1 ringler ringler  2752773364 Feb 29 07:02 restart30km.0002-06-25_00:00:00.nc
> 
> where the restart dates are not consistent with 30 days per month.
> 
> Thoughts?
> 
> Cheers,
> Todd
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