The same mechanism explains why at the end of ice ages deep southern ocean heating / currents start 2000 years before any atmospheric CO2 rise. (judithcurry.com)
So, as a consequence, in 2010 southern ocean sea ice reached a record extent. (chimalaya.org)
This acts as what engineers call «negative feedback» and would explain the paradox of more extensive southern ocean ice in a warming world. (climatenewsnetwork.net)