Arctic ice shrinks to all-time low; half 1980 size (Update)

Sep 19, 2012 by Seth Borenstein
A photo released by Greenpeace shows the organisation's My Arctic Sunrise ship on an Arctic Ocean expedition to document the sea ice level. Arctic sea ice shrunk to its lowest extent on record this week, surpassing the previous record set in 2007 and surprising experts studying climate change, a US body said.

In a critical climate indicator showing an ever warming world, the amount of ice in the Arctic Ocean shrank to an all-time low this year, obliterating old records.

The ice cap at the North Pole measured 1.32 million square miles (3.42 million sq. kilometers) on Sunday. That's 18 percent smaller than the previous record of 1.61 million square miles (4.17 million sq. kilometers) set in 2007, according to the National Snow and Ice Data Center in Boulder, Colorado. Records go back to 1979 based on satellite tracking.

"On top of that, we're smashing a record that smashed a record," said data center scientist Walt Meier. Sea ice shrank in 2007 to levels 22 percent below the previous record of 2005.

Ice in the Arctic melts in summer and grows in winter, and it started growing again on Monday. In the 1980s, Meier said, summer sea ice would cover an area slightly smaller than the mainland. U.S. Now it is about half that.

Man-made global warming has melted more sea ice and made it thinner over the last couple decades with it getting much more extreme this year, surprisingly so, said snow and ice data center director Mark Serreze.

Satellite data reveal how the new record low Arctic sea ice extent, from Sept. 16, 2012, compares to the average minimum extent over the past 30 years (in yellow). Sea ice extent maps are derived from data captured by the Scanning Multichannel Microwave Radiometer aboard NASA's Nimbus-7 satellite and the Special Sensor Microwave Imager on multiple satellites from the Defense Meteorological Satellite Program. Credit: NASA/Goddard Scientific Visualization Studio

"Recently the loss of summer ice has accelerated and the six lowest September ice extents have all been in the past six years," Serreze said. "I think that's quite remarkable."

Serreze said except for one strong storm that contributed to the ice loss, this summer melt was more from the steady effects of day-to-day global warming. But he and others say the polar regions are where the globe first sees the signs of climate change.

"Arctic sea ice is one of the most sensitive of nature's thermometers," said Jason Box, an Ohio State University polar researcher.

What happens in the Arctic changes climate all over the rest of the world, scientists have reported in studies.

The ice in the Arctic "essentially acts like an air conditioner by keeping things cooler," Meier said. And when sea ice melts more, it's like the air conditioner isn't running efficiently, he said.

Sea ice reflects more than 90 percent of the sun's heat off the Earth, but when it is replaced by the darker open ocean, more than half of the heat is absorbed into the water, Meier said.

Scientists at the snow and ice data center said their computer models show an Arctic that would be essentially free of ice in the summer by 2050, but they add that current trends show ice melting faster than the computers are predicting.

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rubberman
4.2 / 5 (10) Sep 19, 2012
Daily high AND nightly low temps. in Yellowknife/NWT forecasted to remain in or close to double digits through the end of September.

http://www.thewea...32/table

"Ice in the Arctic melts in summer and grows in winter, and it started growing again on Monday".
And shrank again today. The growth is taking it's time getting going this year. Warm temps persist across the north, from the same page on the link the high on Ellesmere island today is plus 4.
VendicarD
3.6 / 5 (14) Sep 19, 2012
Those are Communist temperatures Rubberman.

Things look different when you use Freedom Degrees.

When measured in Freedom Degrees, the ice has been reforming at a record rate for several weeks.

Conservtive Free Thinkers are worrying that the Freedom Ice is reforming at such a high rate that it may trigger a new Freedom Ice Age.
ScooterG
2 / 5 (20) Sep 19, 2012
"Man-made global warming has melted more sea ice and made it thinner over the last couple decades with it getting much more extreme this year, surprisingly so, said snow and ice data center director Mark Serreze."

The quote above is a classic example of why so many of us totally dismiss the notion of AGW.
There is absolutely no proof that mans activities have caused any of this. I can accept the fact that Serreze may be a crackpot, but the disturbing thing to me is 1) physorg publishes such idiotic, blatantly biased, unfounded, unprovable crap and 2) no-one in the AGW crowd calls him on it.

The credibility level of ALL AGW proponents just took a major hit.
mrtea
3.7 / 5 (12) Sep 19, 2012
The quote above is a classic example of why so many of us totally dismiss the notion of AGW.

The credibility level of ALL AGW proponents just took a major hit.


Hey, yesterday's man - the debate is over. The question is, can we do anything to stop it or slow it down?
VendicarD
3.6 / 5 (14) Sep 19, 2012

"physorg publishes such idiotic, blatantly biased, unfounded, unprovable crap." - ScoterG

Physorg primarily publishes press releases that originate from the press release office of the Universities who have done the science.

The simple fact is that ScooterG just can't stand the Science (the message), so he blames the messenger, (Physorg).

Conservatives like ScooterG are fundamentally anti-science.

They judge the validity of science by how well it supports their conservative ideology.

If the science runs counter to Conservative ideology then the science is "blatantly biased, unproveable crap" and is rejected.

His kind of anti-science reasoning is not new. It has plagued mankind since the dawn of time, and caused untold misery.

Conservatives do not exist in a reality based community.
cdt
3.9 / 5 (11) Sep 20, 2012
ScooterG, you have 2 other friends on this site who are willing to spew forth such rubbish. If it were at all informed I'd welcome it -- healthy debate is an integral part not only of doing science but of determining the relevance of that science for society. When it comes to people denying that man has influenced the earth's climate, however, there seems to be very little healthy debate.

There are people like the three of you (assuming you aren't all three the same person) who either give no arguments for their view that climate change either doesn't exist or simply isn't influenced by man, or who repeatedly give bogus arguments and refuse to engage in constructive debate with people who question their claims. You and your kind deserve to be ignored on this site until you change your tactics and start arguing your points scientifically and addressing legitimate challenges to the data and arguments you submit. Many people have accepted that challenge on the other side.
mrtea
3.8 / 5 (13) Sep 20, 2012
Those are Communist temperatures Rubberman.


I like your humor much better than the 'tard' bullshit. You get 5 today.
VendicarD
2.2 / 5 (10) Sep 20, 2012
Tards are what Tards do.

http://www.youtub...=related
Claudius
2.1 / 5 (11) Sep 20, 2012
"Antarctic sea ice set another record this past week, with the most amount of ice ever recorded on day 256 of the calendar year..."

"Antarctic sea ice has been growing since satellites first began measuring the ice 33 years ago and the sea ice has been above the 33-year average throughout 2012."

"Sea ice around one pole is shrinking while sea ice around another pole is growing. This sure sounds like a global warming crisis to me."

"Indeed, none of the mainstream media are covering this important story."

- Antarctic Sea Ice Sets Another Record
http://www.forbes...-record/
cdt
4 / 5 (8) Sep 20, 2012
Claudius, have you tried quantifying the amounts? I believe if you do you will find that the loss in the arctic is much greater than the increase in the antarctic. Global warming does not entail warming in every local environment. It rather is expected, among other things, to lead to a warming of the earth as a whole with accompanying shifts in climate, with some places getting warmer and others cooler.

A direct summing up of ice in the arctic and in the antarctic, of course, is hardly conclusive since it amounts to two (admittedly rather large) micro-environments, but adding the gains and losses does help to give a more balanced picture.

And by the way, don't forget to include ice volume on Antarctica itself. I wouldn't be at all surprised to find that the sea ice is expanding because the continental ice is thinning. Many ice flows are, after all, accelerating.
ScooterG
1.8 / 5 (10) Sep 20, 2012
For me, its all about money. But if there's a known problem with a known remedy, then I'm all for it.

Problem is, global warming has:
1) has not necessarily been proven to exist
2) (if it does exist) has not necessarily manifested itself as a problem
3) (if it does exist) the causes are not known
4) (if it does exist) remedy is not known
6) (if it does exist) remedy dollar-cost is not known
7) (if it does exist) remedy side effects are not known

The only thing you people know FOR SURE is that we must throw money at it NOW!

You're going into this half-cocked, you've placed your faith in bogus science, and you're mesmerized by known hucksters.

Make no mistake, YOU will bear 100% of the dollar-cost of this massive, illogical money-grab.

Give your heads a shake...you people are smarter than this.
cdt
4 / 5 (4) Sep 20, 2012
ScooterG, you yourself have not necessarily been proven to exist. I'd still maintain that the best path through life is one based on the assumption that you do. Similarly, if you mean by "not known" that we do not have infallible knowledge, then it is not known that the jet stream affects weather patterns, or that el ninio / la ninia do, but pretty much nothing at all is known at that level of certainty. If you wait for 100% certainty then you give up the possibility of avoiding predictable bad consequences.

The problems that have been manifested (with high degree of confidence, not with 100% certainty) include extreme weather events at unprecedented levels, including heat waves that kill people, droughts that cause crop damage and lead to massive wild fires, and floods. The full list of causes is unknown, but the increase in CO2 levels from burning fossil fuels is accepted as a cause for a reason -- it's explanatory in ways that other hypotheses are not.
cdt
3.7 / 5 (3) Sep 20, 2012
(cont.)
The real question is how to fix the problems before they get worse. Yes there is a possibility that the problems that stem from global warming will be trivial in the end. There's also a possibility that they will lead to the worst state of war the world has ever seen because of devastation to food crops and competition for fresh water. When the stakes are that high, do you really think it is wise to gamble?

I'm sure you are right in your unstated assumption that any attempt to avoid disaster will result in someone profiting illicitly, but is that any different from the status quo? Many would argue that oil companies already enjoy such profiting. It's allowed because there are also benefits that many people don't want to go without. We have a responsibility to make sure the money we spend goes to fixing problems and not to lining pockets, but the fact that we can't succeed 100% in that is no excuse not to act.
ubavontuba
1.8 / 5 (5) Sep 22, 2012
The quote above is a classic example of why so many of us totally dismiss the notion of AGW.

The credibility level of ALL AGW proponents just took a major hit.


Hey, yesterday's man - the debate is over. The question is, can we do anything to stop it or slow it down?
It stopped on it's own as much as 15 years ago:

http://www.woodfo....6/trend

ubavontuba
1.8 / 5 (5) Sep 22, 2012
If it were ...informed I'd welcome it
Really? Coulda' fooled me.

healthy debate is an integral part ...of doing science
Then quit with the ad hominems and discuss the science.

When it comes to people denying that man has influenced the earth's climate, however, there seems to be very little healthy debate.
Indeed, as you have examplified.

There are people like ...you who either give no arguments for their view that climate change ..doesn't exist ...or who repeatedly give bogus arguments and refuse to engage in constructive debate with people who question their claims.
Prejudiced fallacy and a destructive criticism.

You ...deserve to be ignored on this site until you change your tactics and start arguing your points scientifically
What's more scientific than the global temperature?

http://www.woodfo....6/trend

CSYGUY
5 / 5 (2) Sep 23, 2012
Sea Ice by definition is very fragile and is very susceptible to wind and wave action. Watching the weather on the East coast of the US gives me cause to watch the jet steam on a regular basis. I can say with confidence that the jet stream has a very unusual pattern over the last year.

Could this perhaps be driving the level of sea ice? I know the jet stream has had impact on the weather on the East coast of the US.
Lurker2358
2.3 / 5 (3) Sep 23, 2012
Those are Communist temperatures Rubberman.

Things look different when you use Freedom Degrees.

When measured in Freedom Degrees, the ice has been reforming at a record rate for several weeks.

Conservtive Free Thinkers are worrying that the Freedom Ice is reforming at such a high rate that it may trigger a new Freedom Ice Age.


Probably the funniest comment I've ever seen on here.

I laughed to tears.

You got 5 stars for that one right away.
ubavontuba
1 / 5 (1) Oct 03, 2012
Arctic ice appears to be recovering rapidly.

http://arctic.atm...ive.html
SteveS
1 / 5 (1) Oct 03, 2012
Arctic ice appears to be recovering rapidly.

http://arctic.atm...ive.html


Arctic ice area is only just back to the last record low in 2011

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