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[Nagraj Adve]

A Guardian journalist is with a ship that has gone to 83 deg N in latitude
and is filing regular reports. one of them included this, below. Basically,
to state the obvious, ice is more resilient as it builds year on year and
thickens. As it thins, it melts more easily, in this case winter ice melts
in summer.
Naga

There are now three ice scientists aboard, including Julienne Stroeve, a
researcher with the NSIDC, and two from Cambridge university. They will
each be conducting their own experiments and observations.

Strove shows us data sets showing how vulnerable large parts of the ice
mass has become. Ten years ago, she says, a good 30-40% was older than a
year, meaning it was thicker and more resilient. This year it's nearly all
only one year old. Even more remarkably, she shows us the temperature
anomaly charts – much of this vast region is presently 2-6C above normal
temperatures for this time of year.

"To see the ice disappear like this so quickly is unprecedented. I was
around in 2002 when there was a jump. But it has just kept happening.
Something has changed," she says.