This is a limitation in the ESM1.5 coupling which means all the variables measuring a rate are incorrect in the first output after a restart.
These variables which are configured to output from CICE have this issue in ESM1.5:
| #cmip_variable | definable_in_access | access_variable(s) |
|---|---|---|
| #sfdsi | no | fsalt_ai aice |
| #sidconcdyn | no | daidtd |
| #sidconcth | no | daidtt |
| #sidmassdyn | no | dvidtd |
| #sidmassgrowthbot | no | congel |
| #sidmassgrowthwat | no | frazil |
| #sidmasslat | no | meltl |
| #sidmassmeltbot | no | meltb |
| #sidmassmelttop | no | meltt |
| #sidmasssi | no | snoice |
| #sidmassth | no | dvidtt |
| #siflswdbot | no | fswthru_ai aice |
| #sitemptop | no | Tsfc aice |
| #sndmasssi | no | snoice aice |
This issue doesn’t occur in ACCESS-CM2, so that might be an alternative. Note CM2 uses the cmorized / CMIP6 standard variable names, rather than the CICE variable names. There are some corrections applied to this output by the APP4 post-processing tool, so its best to use this when using CM2. (Although no changes are made to sidmassth)