posted on Apr, 1 2013 @ 01:45 AM
this is a bit of a different story in the face of all the global warming we hear about,
Global warming has led to more ice in the sea around Antarctica and could help insulate the southern hemisphere from atmospheric warming.
A Dutch study says that unlike in the Arctic region, sea ice around Antarctica has expanded at a significant rate since 1985.
Published online in Nature Geoscience, the article suggests cool freshwater from melt beneath the Antarctic ice shelves has insulated offshore sea ice
from the warming ocean beneath.
Richard Bintanja of the Royal Netherlands Meteorological Institute and colleagues say the Antarctic sea ice expands during southern hemisphere autumn
and winter in response to this fresh, cool surface layer that freezes easily.
"Against the background of global climate warming, the expansion of Antarctic sea ice is an exceptional feature, which seems to be associated with
decreasing sea surface temperatures in the Southern Ocean," they write
this is a different outcome than any of the global climate change models predicted,
it would look like as one pole is melting, the other is adding sea ice
the modelling that has been used to compute the loss of sea ice is not definitive and this finding
challenges the cause and effect type climate models.
that is not saying there is no climate change,
just that with any models that seek to forecast changes, we dont know all the variables that contribute to future sea ice conditions.
anyone want to explain the loss of ice at one pole while the other gains sea ice.
i have read the opinion of the author and would like opinions from members