The steady decline of the Arctic sea ice continues apace. Now the
areal extent has dropped below the 2007 record which was amassed
because strong winds compressed the sea ice from the West. Since
then the actual ice mass itself has continued to decline and today
with no help from the wind we have dropped below the 2007 record.
This report mentions 34 years, but all that means is that is when we
began to get satellite coverage and could even know this.
The North West Passage is wide open and if you look closely, there is
no evidence at this resolution of any ice shelf remaining attached to
the Northern shore of Ellesmere island. All the long term ice is
out there in the middle of the ocean been broken up. The North East
passage appears somewhat choked at this resolution but is likely
quite navigable.
The big question now is just how stable is the ice content in the
Arctic Gyre itself. Is it able to replenish multiyear ice or does
all multiyear ice eventually escape? Outside the core of the Gyre we
are looking at badly diminished ice pack that could well continue to
decline for years. At this point the main loss has taken place and
we need to know if it will stabilize at something looking like this.
It has taken a mere five years for all that ice to be lost. If the
same rate of attack can be sustained, then there is no way any will
be left inside the next five years. I publicly predicted back in
2007 that the bulk of the ice would be gone and was surprised by the
rapid changes that occurred hat year. We are here and my underlying
argument has stood up very. We are missing most of the ice and even
better we are free of significant channeling by the coasts.
I am presuming the open waters effect is also sufficient to overcome
the chilling effect of the core of the Gyre as it seems likely.
Right now though we can only guess what a stable configuration is
going to look like. The fact remains that the Arctic sea ice has
melted out and we are now looking at a slow end game as the sea
surface stabilizes with its new regime.
Arctic Ocean Ice
Melting Gets Worse
Submitted by Raoul
Girard on Tue, 08/07/2012 – 08:54
As per reports being retrieved from National Snow and Ice Data
Centre from Colorado, it has been revealed that Arctic
sea level is dropping with passage of time. The record
has further revealed that the ice extension is not more than 6.53
million square kilometers, which is said to be the lowest since 34
years.
Before the current
data was unveiled, September 2007 data was considered to be the
lowest one, but now things have gone even worse. Experts said that
July 2012 could be the season where maximum melting would be observed
at Arctic sea.
One
of the main reasons for which Arctic ice has been melting is the
presence of open water that comes from the Atlantic side, which
includes Kara, Laptev and East Siberian seas.
It
shall however, be noted that Arctic Ocean is not the only
place where melting has been observed. It has been noticed by NASA
that Greenland ice sheet has been witnessing melting and July seems
to have taken thing to a different level.
“Summer sea ice
extent decline and the early northern hemisphere snow melt,
the pace of Greenland surface melt suggests that 2012 is yet another
interesting summer in the Arctic”, said officials from National
Snow and Ice Data Centre.
Sounds like more alarmist propaganda to me. Lot of good things happen when all that ice melts. More wildlife, more travel routes, more fish. You should report that.
ReplyDeletebob marks
rlmpfl9065@earthlink.net
hardly alarmist and i see no link with arctic warming and so called global warming that is safely attributable to human intervention.
ReplyDeleteThe most creditable explanation is a readjustment in the ocean currents which affect the surface waters.
the present hard reality is that starting perhaps forty years ago, the Arctic thermal equation switched over in some manner. The sea ice decline is now both rapid and perceptible as i predicted in 2007