[MITgcm-support] on the salinity flux at the ice shelf-ocean interface

[Martin Losch]

Hi Chengyan,

use the diagnostic ‘SHIForcS’ to get this variable:
            shelficeForcingS(i,j,bi,bj) =
     &           ( shiTransCoeffS(i,j,bi,bj)
     &           - cFac*shelfIceFreshWaterFlux(I,J,bi,bj)*mass2rUnit )
     &           * ( saltFreeze - sLoc(I,J) )

which is actually used to drive the ocean.

Martin

> On 5. Aug 2017, at 18:03, whale <250107302 at qq.com> wrote:
> 
> Dear friends,
> I am trying to diagnose the salinity budget within a sub-ice-shelf cavity.
> According to the available_diagnostics.log, the SHIfwFlx (Ice shelf fresh water flux (positive upward) kg/m^2/s) has been output to provide the fresh water flux at the ice-ocean interface. It is useful to represent the ice shelf melting rate. However, in order to diagnose the salinity budget in the sub-ice-shelf cavity, I need to know how much salinity flux dose the SHIfwFlx account for, i.e., could the SHIfwFlx in unit of kg/m^2/s  be transformed into SALT flux in unit of psu?
> Any comments and suggestions are appreciated!
> Cheers
> Chengyan
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