Global warming felt to deepest reaches of ocean

A new study shows that the 1970s polynya within 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://feeds.sciencedaily.com/~r/sciencedaily/~3/C...