Name and subject of the action
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The PI is responsible to closely follow the progress of the action, and especially to contact NEMO project manager if the delay on preview (or review) are longer than the 2 weeks expected.
Summary
| Action | Implementation of the conservative exchange of Fe between seawater and sea ice |
|---|---|
| PI(S) | Renaud Person |
| Digest | Person et al. 2020, under review in GBC. |
| Dependencies | SI3 |
| Branch | source:/NEMO/branches/2020/dev_r{REV}_{ACTION_NAME} |
| Previewer(s) | O. Aumont, M. Vancoppenolle |
| Reviewer(s) | O. Aumont, M. Vancoppenolle |
| Ticket | #XXXX |
Description
The sea ice Fe source in the PISCES model was implemented with no conservative exchange of Fe bewteen sea ice and seawater. This development corrects this bias.
Implementation
The first version of the development has been done by adding a dissolved iron tracer in each relevant routine of LIM3, without using a generic passive tracer framework. Two options are now possible:
- Reimplement a similar development in SI3
- Develop in SI3 a passive tracer module in order to offer the capability for future passive tracer implementations in sea ice.
Option 2 is prefered because of its better sustainability and it offers a more generic capability to add tracers in sea ice.
However, option 1 is chosen as option 2 has to be deeply discussed before being developed.
Option1:
List of modified routines in LIM3:
- ice.F90
- limistate.F90
- limvar.F90
- limwri.F90
- limtrp.F90
- limitd_me.F90
- limitd_th.F90
- limthd_dh.F90
- thd_ice.F90
- limthd.F90
- limthd_lac.F90
- sbcice_lim.F90
List of routines to be modified in SI3:
- ice.F90
- iceistate.F90
- icewri.F90
- icethd_dh.F90
- icethd.F90
- icedyn_rdgrft.F90
- icedyn_adv.F90
- icevar.F90
- ice1d.F90
- iceitd.F90
- icethd_do.F90
- icedyn_adv_pra.F90
- icedyn_adv_umx.F90
- icerst.F90
- sbcice_cice.F90
namelist ice parameters:
- ln_iceiron: activation of conservative exchange of Fe between seawater and sea ice --> choice of the name to be validated
- feflx_var --> to be renamed?
Documentation updates
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Preview
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Tests
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Review
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