[MITgcm-support] calendarDumps and pickup file names

[Martin Losch]

Hi Dan,

with calendarDumps=.True., and a nearly monthly pickup frequency (as in your example), the pickup will be written at the end of the calendar month and the pickup will have the timestep number of that time, so in you example after 31 days = 26784 * 100s, it will be 26784.

The answer to your second question is probably no. The only output I am aware of is in the initialisation phase, starting with "Calendar configuration >>> START <<<“

Martin


> On 4. May 2021, at 16:20, Daniel Goldberg <dngoldberg at gmail.com> wrote:
> 
> Hi All
> 
> I am using calendarDumps and attempting to restart a run from pickups previously created using calendarDumps (with checkpoint 65c). This post to the group:
> 
> http://mailman.mitgcm.org/pipermail/mitgcm-support/2017-September/011264.html
> 
> suggests that with calendarDumps=.true., the diagnostic and pickup frequency will be "adjusted" according to the calendar to write out files at month's and year's end. My question is whether the time step number in the pickup file name will be *adjusted* at all in this process? That is, if deltaT=100s, and permanent pickup frequency is set to 2592000, then I think this means that a pickup will actually be written at timestep 26784 rather than 25920 (assuming the run starts at midnight in 1st january)? If so, will the pickup file be named
> 
> pickup.0000025920.data 
> 
> or 
> 
> pickup.0000026784.data?
> 
> Can i also ask, for purposes of making sure i do things correctly, if there is a way to have the calendar data written to STDOUT (e.g. with monitor output) when using pkg/cal? Sorry i don't know this already -- im new to using the calendar package!!!
> 
> Many thanks
> Dan
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