Arctic Death Spiral  

Posted by Big Gav in , ,

The Independent reports both the North West Passage and North East Passage have opened up for the first time in recorded history - For the first time in human history, the North Pole can be circumnavigated.

Open water now stretches all the way round the Arctic, making it possible for the first time in human history to circumnavigate the North Pole, The Independent on Sunday can reveal. New satellite images, taken only two days ago, show that melting ice last week opened up both the fabled North-west and North-east passages, in the most important geographical landmark to date to signal the unexpectedly rapid progress of global warming.

Last night Professor Mark Serreze, a sea ice specialist at the official US National Snow and Ice Data Center (NSIDC), hailed the publication of the images – on an obscure website by scientists at the University of Bremen, Germany – as "a historic event", and said that it provided further evidence that the Arctic icecap may now have entered a "death spiral". Some scientists predict that it could vanish altogether in summer within five years, a process that would, in itself, greatly accelerate.

But Sarah Palin, John McCain's new running mate, holds that the scientific consensus that global warming is melting Arctic ice is unreliable.

The opening of the passages – eagerly awaited by shipping companies who hope to cut thousands of miles off their routes by sailing round the north of Canada and Russia – is only the greatest of a host of ominous signs this month of a gathering crisis in the Arctic. Early last week the NSDIC warned that, over the next few weeks, the total extent of sea ice in the Arctic may shrink to below the record low reached last year – itself a massive 200,000 square miles less than the previous worst year, 2005.

Four weeks ago, tourists had to be evacuated from Baffin Island's Auyuittuq National Park because of flooding from thawing glaciers. Auyuittuq means "land that never melts".

Two weeks later, in an unprecedented sighting, nine stranded polar bears were seen off Alaska trying to swim 400 miles north to the retreating icecap edge. Ten days ago massive cracking was reported in the Petermann glacier in the far north of Greenland, an area apparently previously unaffected by global warming.

But it is the simultaneous opening – for the first time in at least 125,000 years – of the North-west passage around Canada and the North-east passage around Russia that promises to deliver much the greatest shock. Until recently both had been blocked by ice since the beginning of the last Ice Age.

3 comments

Pity people don't do their homework. Those passages have been open previously in living memory.

Individually they have been open in recent years (which the article noted), but not both at the same time.

This is a new phenomenon, due to the melting icecap...

Anonymous   says 1:12 AM

Cool, send the Titanic up there to check things out.

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