Even as the long - term trend in the Arctic is
toward less sea ice in summers, for decades to come — and routinely in other seasons — any nation with interests in the far north will need to be able to navigate in heavy ice.
Not exact matches
For example, Kangerdlugssuaq glacier has lost mass from melting and, in its thinner form, has
less weight to speed the flow of its
ice toward the
sea.
[Andy Revkin — On Arctic
ice trends, I have a post coming shortly on the latest update from the world's leading teams of
sea ice experts, showing this year's retreat is unlikely to match last year's, while the long - term trend is still heading
toward ever
less summer
ice.
Five (5) respondents suggested a
less dramatic loss than in 2007 (ie., 4.3 million square kilomoters)-- closer
toward the long - term trend line of summer
sea ice loss;
As one goes further north
toward the North Pole, the length of the shortwave radiation season is shortened with
less ability to melt out multi-year
sea ice (D. Perovich, personal communication).
Five (5) respondents suggest a return
toward the long term trend line of summer
sea ice loss, but
less than the 1979 - 2000 mean extents;
In a February report, Dr. Parkinson said, «If trends
toward shortened
sea ice seasons and
lesser sea ice coverage continue, this could entail major consequences to the polar and perhaps global climate, and to the lifestyles and survivability of selected Arctic plant and animal species.»