Global warming felt to deepest reaches of ocean

A new study led by researchers from McGill University suggests that the the 1970s polynya in the Antarctic sea ice pack of the Weddell Sea may have been the last gasp of what was previously a more common feature of the Southern Ocean, and which is now suppressed due to the effects of climate change on ocean salinity.

Fuente : http://www.eurekalert.org/pub_releases/2014-03/mu-…