[MITgcm-support] The growth rate of sea ice

[Martin Losch]

Hi Jianfen,

the code (seaice_growth.F) and the description of the diagnostic SIareaPT ('SIarea preceeding thermodynamic growth/melt’) suggests to me that SIareaPT are indeed the values of area prior to thermodynamics (PT), so you’ll get the thermondynamic growth rate by (SIarea - SIareaPT)/deltaT provided that SIarea and SIareaPT are stored with the same averaging frequency. (analogous for SIheff)
When they are the same, you don’t have any thermodynamic growth.

Martin

> On 29 Oct 2015, at 05:00, weijianfen1988 at 163.com wrote:
> 
> Hi,
> 
> I just want to output the growth rate of sea ice (concentration or thickness) at each time step. I thought the 'SIareaPT and SIheffPT' are what I need, but they are the same as the real concentration and effective thickness (SIarea and SIheff) after being output and compared. Any ideas?
> 
> Thank you very much.
> 
> Jianfen 
> 
> weijianfen1988 at 163.com
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