[mpas-developers] MPAS_360DAY calendar option

[Ringler, Todd D]

Correct, but daysInMM is set to 30 for every month .... so each month should end the 30th.

While this is not a good calendar in some respects, it is a very convenient calendar for staging long runs.


On Feb 29, 2012, at 9:41 AM, Chen, Qingshan wrote:

> 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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> 
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