Antarctic ice loss accelerating

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Doug
Antarctic ice loss accelerating

 

Doug

quote:




quote:

In all, snowfall and ice loss in East Antarctica have about equaled out over the past 10 years, leaving that part of the continent unchanged in terms of total ice. But in West Antarctica, the ice loss has increased by 59 percent over the past decade to about 132 billion metric tons a year, while the yearly loss along the peninsula has increased by 140 percent to 60 billion metric tons. Because the ice being lost is generally near the bottom of glaciers, the glacier moves faster into the water and thins further, as a result. Rignot said there has been evidence of ice loss going back as far as 40 years.

[url=http://www.washingtonpost.com/wp-dyn/content/article/2008/01/13/AR200801...

Fidel

A group of scientists said recently that it's a good thing there is a hole in the ozone over the antarctic promoting low temerpature circular winds. If and when the hole in the ozone repairs itself, it could accelerate the melting.

Geneva

well, call me a skeptic; wasn't the ozone hole repairing itself ?? ...

as for Al Gore's PowerPoint-ScarePoint about Greenland melting and this hugely affecting the Atlantic Gulf stream:

in the short term, oops ...

[b]Ice returns as Greenland temps plummet [/b]

[i]COPENHAGEN - While the rest of Europe is debating the prospects of global warming during an unseasonably mild winter, a brutal cold snap is raging across the semi-autonomous nation of Greenland.

On Disko Bay in western Greenland, where a number of prominent world leaders have visited in recent years to get a first-hand impression of climate change, temperatures have dropped so drastically that the water has frozen over for the first time in a decade.

'The ice is up to 50cm thick,' said Henrik Matthiesen, an employee at Denmark's Meteorological Institute who has also sailed the Greenlandic coastline for the Royal Arctic Line. 'We've had loads of northerly winds since Christmas which has made the area miserably cold.'

Matthiesen suggested the cold weather marked a return to the frigid temperatures common a decade ago. [/i]
(Copenhagen Post)

[ 18 January 2008: Message edited by: Geneva ]

Frustrated Mess Frustrated Mess's picture

The problem with the right wing is they know everything so they never bother to read anything unless it supports what they already know.

The Ozone hole from a source the right can trust, a captured agency: [url=http://www.epa.gov/ozone/science/hole/whyant.html]http://www.epa.gov/ozo...

Finally, weather and climate change are not the same thing. It is quite possible to have a global warming contributing to climate change and still have a nasty winter.

There are lots of books of available on the subject but I am sure you will be able to find something sooner or later from David Frum to reinforce what you already know.

[ 18 January 2008: Message edited by: Frustrated Mess ]

Noise

Heh, thats a pretty sad post Geneva... "in the short term, oops ..." and then produce a short term event in Greenland to 'prove' your point. Siberia is hitting -55 right now... Want to run around announcing that as proof too?

Most climate change models I've seen predict these extreme occourences around much milder temperatures... If anything the warm weather followed by the nasty 2 week winter backs up the climate change warnings.

Geneva

nothing sad about it:
but the goofy MSM confusion of "weather" and "climate" is sad, intellectually.

as in: very hot summer this year!
ERGO, 500-year settled climate patterns must be changing before our very eyes!!! [img]eek.gif" border="0[/img]

uh, no.

Noise

quote:


ERGO, 500-year settled climate patterns must be changing before our very eyes!!!

500 year settled climate patterns? What are you basing 500 years settled patterns on? "Settled"? You know our atmospheric composition isn't close to what it was 200 years ago let alone 500 years, right?

KK, I'll level with you... Lets say it is a 500 year pattern. Even if the sudden melt off that occours once every 500 in this nice 'settled pattern' of yours, is that good enough reason to dismiss the models that are making these predicitions now?

Want to bring up your 'Gore travels in a plane, that must mean global warming is a scam!' arguement next?

[ 18 January 2008: Message edited by: Noise ]

Geneva

the Danish link, very short bit:
[url=http://www.cphpost.dk/get/105114.html]http://www.cphpost.dk/get/105114.h...

by all accounts, between roughly the years 900 and 1400, the climate of Greenland changed enormously, so much that this "greenland" was no longer green by the late Middle Ages

Why this happened, no explanation everyone can accept; but one thing certain, man-made activities had nothing or virtually nothing to do with them, certainly no Rhine-Ruhr to blame

a lot of "green" activists, oddly, have a very human-centric view of things;
why can't Nature act on its own and change climates in ways we don't really understand, much less control ?

Noise

Heh, great selective vision you've got Geneva... At least you're consistant in ignoring all information to the contrary and just posting the parts that qualify as 'Not right, not even wrong'. From the article you've posted, there is even cautions of not doing what you are doing (I'm not sure if you've ignored part of the article, just quoting the part that might back up your arguement, or just hoping nobody would read your link... Clarify for me if you'd like):

quote:

The mayor cautioned against thinking that the freezing temperature indicated that global warming claims were overblown. He noted that a nearby glacier had retracted more in the past two decades than in recorded history.

Looks like they are predicting exceedingly mild weather following the cold snap too, will this mean you'll wait until the weather gets cold for a bit before posting next?

quote:

a lot of "green" activists, oddly, have a very human-centric view of things;
why can't Nature act on its own and change climates in ways we don't really understand, much less control ?

Which is strangely countered by the "we can't possibly effect something we don't understand" view you're promoting. It's interesting that you would maintain this view even as our understanding of our climate increases exponentially... Don't you find yourself hypocritical when you claim that we can't possibly effect what we don't understand while simultaneosly dimissing the results our new undertandings?

You are correct that nature will act in ways we can't control, but to use this standpoint to insist that we are incapable of influencing it is pretty narrowminded.

[ 18 January 2008: Message edited by: Noise ]

Frustrated Mess Frustrated Mess's picture

Like I said, the right wing doesn't read unless whatever is written supports their preconceived notions or biases.

All that nonsense being bombarded about in the right wind echo chambers have already been thoroughly debunked:

quote:

MYTH #2: Regional proxy evidence of warm or anomalous (wet or dry) conditions in past centuries contradicts the conclusion that late 20th century hemispheric mean warmth is anomalous in a long-term (multi-century to millennial) context.

Such claims reflect a lack of awareness of the distinction between regional and large-scale climate change. Similar such claims were recently made in two articles by astronomer Willie Soon and co-authors (Soon and Baliunas, 2003; Soon et al, 2003). These claims were subsequently rebutted by a group of more than a dozen leading climate scientists in an article in the journal "Eos" of the American Geophysical Union (Mann et al, ‘Eos‘, 2003). The rebuttal raised, among other points, the following two key points:

(1) In drawing conclusions regarding past regional temperature changes from proxy records, it is essential to assess proxy data for actual sensitivity to past temperature variability. In some cases (Soon and Baliunas, 2003, Soon et al, 2003) a global 'warm anomaly' has been defined for any period during which various regions appear to indicate climate anomalies that can be classified as being either 'warm', 'wet', or 'dry' relative to '20th century' conditions. Such a criterion could be used to define any period of climate as 'warm' or 'cold', and thus cannot meaningfully characterize past large-scale surface temperature changes.

(2) It is essential to distinguish (e.g. by compositing or otherwise assimilating different proxy information in a consistent manner—e.g., Jones et al., 1998; Mann et al., 1998, 1999; Briffa et al., 2001) between regional temperature changes and changes in global or hemispheric mean temperature. Specific periods of cold and warmth differ from region to region over the globe (see Jones and Mann, 2004), as changes in atmospheric circulation over time exhibit a wave-like character, ensuring that certain regions tend to warm (due, for example, to a southerly flow in the Northern Hemisphere winter mid-latitudes) when other regions cool (due to the corresponding northerly flow that must occur elsewhere). Truly representative estimates of global or hemispheric average temperature must therefore average temperature changes over a sufficiently large number of distinct regions to average out such offsetting regional changes. The specification of a warm period, therefore requires that warm anomalies in different regions should be truly synchronous and not merely required to occur within a very broad interval in time, such as AD 800-1300 (as in Soon et al, 2003; Soon and Baliunas, 2003).


[url=http://www.realclimate.org/index.php?p=11#myth2]http://www.realclimate.o...

Linked from that site:
[url=http://iri.columbia.edu/~goddard/EESC_W4400/CC/jones_mann_2004.pdf]http:...

To be succinct for Geneva, regional climate variations are not quite the same as a planetary event.

timmah

quote:


Originally posted by Frustrated Mess:
[b]Like I said, the right wing doesn't read unless whatever is written supports their preconceived notions or biases.[/b]

That's a pretty broad brush-stroke there. I wasn't aware that ideological tunnel-vision was limited to the right wing. I guess you learn something new every day...

Frustrated Mess Frustrated Mess's picture

Terrific. So now you're off for the rest of the day. Come back tomorrow and I will tell you something else about the right wing.

timmah

Is there a lecture series I could sign up for?
[img]wink.gif" border="0[/img]
Look, I'm just trying to say that people's biased receptivity to info is evident across the political spectrum...not just on the right.

Noise

quote:


Like I said, the right wing doesn't read unless whatever is written supports their preconceived notions or biases.

It's still fun to have their presence on forums though [img]wink.gif" border="0[/img] Hopefully lets others see how narrowminded and selective you need to be to think like a Geneva does.

Timmah, so pretty much you've stated that the broad brush is correct then? [img]wink.gif" border="0[/img]

Fidel

An overwhelming majority of mainstream scientists say that global warming is a debate only among the lunatic right-wing fringe right now, and I think that's true.

Frustrated Mess Frustrated Mess's picture

I think orthodoxy on either side is a mistake. It is important to always keep an open mind.

The problem with the right wing echo chamber is that it refuses to separate the wheat from the chafe and the choir sings from both sides of the orchestra acknowledging and rejecting the science depending on how it fits with the whacky argumeny of the moment.

The echo chamber has been bouncing around canards so old and so debunked as to be downright embarrassing. What's more, the right wing climate deniers are now the modern day luddites being left behind.

While the rest of the world is recognizing the issues and beginning to invest in new technologies and beginning to address issues of consumption and sustainability, the right is locked in a time warp unable to see beyond their own immediate and selfish needs and toward a better future.

They are the wet blankets the rest of us must throw off for a sustainable and prosperous new world.

John K

quote:


Posted by FM:I think orthodoxy on either side is a mistake. It is important to always keep an open mind.

With FM's wise counsel in mind, I recently ran across an interesting debate between Alexander Cockburn and George Monbiot on global warming.
[url=http://www.zmag.org/debatesglobalwarming.html]http://www.zmag.org/debate...

Unlike when he took on the 9/11 truthers, I don't agree with Cockburn in this instance. But you do have to admire his gumption in being one of the only left wing global warming skeptics.

Fidel

I don't know if Lyndon Larouche could be categorized as a real leftwinger, but he's down on what he refers to as global warming Malthusians. He says global warming fits with population reduction imperialism emanating from Britain for many years.

And then there is Canada's Michel Chossudovsky who says that despite superpowers signing a treaty in the last century banning possible future use of weather warfare, he and others think that the environment is now being used as a weapon of mass destruction.

The aim of all world empires of history was to maintain division among babarian hordes, divide and conquer, and never allow resource-rich colonies to become very prosperous in relation to the imperial master nations. Some very poor but resource-rich nations have had extremely bad luck with economic warfare waged on them through Washington consensus in the 1990's. And we know that a certain country has refused to agree to a world criminal court and have now made nuclear first-strike a legal possibility that did not exist during the cold war. It is a vicious empire that has waged conventional, chemical, and biological warfare on small countries populated by large numbers of poor people in the past. I think it's a possibility.

Trevormkidd

quote:


Originally posted by Geneva:
a lot of "green" activists, oddly, have a very human-centric view of things;
why can't Nature act on its own and change climates in ways we don't really understand, much less control ?

Nature can act on its own to change climates and for almost all of human history that change was in ways that we really didn't understand. No one here is saying that nature can't change climates. You are saying that humans can't. It is not a human-centric view that leads me to believe that humans are causing the current warming, it is the evidence - a mountain of it.

mudman

Sorry but there is no mountain of evidence for AGW. Warming has been observed while CO2 increased and mainstream scientists saw this (CO2) as a cause of warming. Now there is a shit load of grant money to be had, as long as you go along with the establishment. e.g. has Gore given away any dough lately?

All sorts of "evidence " of AGW is brought forth (e.g. Kilimanjaro, some glacial retreat, sea ice in the arctic etc)but much of that has natural explainations and has happened before. AGW has taken on all the symptoms of a religon: doubters are (figuratively) crucified. If the AGW proponents are wrong a great blow to science will have been made. The next time something serious occurs people will not believe.

BTW: GW has supposedly been occuring for decades. Has it affected any of you?

Albireo

Yeah, you tell 'em, mudman. It's just like those crazy scientists that think that Earth is a sphere, when anyone can see that it's flat. Oh, sure, virtually 100% of articles in peer-reviewed scientific journals are in agreement that Global Warming is real, just like they all agree that the Earth isn't flat. But they're just out for grant money, and anyone who says that the Earth is flat practically gets crucified on account of the big conspiracy among scientists to stifle dissent.

Kudos to the mud dude for setting us all straight.

remind remind's picture

quote:


Originally posted by mudman:
[b]BTW: GW has supposedly been occuring for decades. Has it affected any of you?[/b]

Uh, ya, it has, and is. I look out every day at mountain ranges as far as the eye can see, turning red. The winter seems to be worse this year for trees appearing to turn red on almost a daily basis. One day they look green a couple of days later they are red.

We have had to cut down over 50 tress scattered around our property because they were dead, years before their prime.

BC is seeing it directly and there is much more to come.

Last winter we had 400% above average snowfall. This year it s colder so there has been less snow, but the cold weather is too late, and not cold enough, the forests in the central interior and northern BC are dead, it is just that simple.

mudman

What is the cause of them turning red?

Aristotleded24

quote:


Originally posted by mudman:
[b]All sorts of "evidence " of AGW is brought forth (e.g. Kilimanjaro, some glacial retreat, sea ice in the arctic etc)but much of that has natural explainations and has happened before. AGW has taken on all the symptoms of a religon: doubters are (figuratively) crucified. If the AGW proponents are wrong a great blow to science will have been made. The next time something serious occurs people will not believe.

BTW: GW has supposedly been occuring for decades. Has it affected any of you?[/b]


So you think that people who live in climate sensitive regions, like the Arctic, who have maintained a traditional lifestyle for millenia, don't know what they're talking about when they say changes in weather are hurting them?

Fidel

It can't be the dregs of private enterprise and polluting industries causing global warming and rising rates of cancer in western-most industrialized nations producing the most greenhouse gases for the longest time.

We have to throw world-wide scientific evidence to the wind and globalize the broken cold war ideology now for the sake of big business and the bottom line?

We can't have thousands of climate scientists around the world sticking their noses into things they just don't understand, like quarterly projections and month-to-month balance sheet capitalism?

Time is money, and the environment is there for everyone to exploit fairly and equally?

It's our own fault for buying so many plastic widgets in the first place?

Nobody was using Alberta anyway? Toxic-black settling ponds are a-okay with me just not in my backyard?

Transplant

quote:


Originally posted by mudman:
[b]Sorry but there is no mountain of evidence for AGW.[/b]

Actually, there is, and if you bothered to get off your lazy ass and go looking for it with your eyes wide open instead of sitting there with your eyes shut tight and your fingers plugged tightly in your ears as you chant "la, la, la" you'd find it easily enough.

quote:

[b]Warming has been observed while CO2 increased and mainstream scientists saw this (CO2) as a cause of warming.[/b]

Nope, it was predicted over a hundred years ago by the observed and experimentally demonstrated physics of CO2's ability to absorb and emit infrared energy.
Here's a [url=http://www.aip.org/history/climate/index.html]primer[/url] on how it works.

quote:

[b]Now there is a shit load of grant money to be had, as long as you go along with the establishment.[/b]

You mean like this shit load of money offered by the Heartland Institute?
[url=http://www.realclimate.org/index.php/archives/2008/01/what-if-you-held-a... if you held a conference, and no (real) scientists came?[/url]

Exusian

[ 02 February 2008: Message edited by: Transplant ]

[ 02 February 2008: Message edited by: Transplant ]

martin dufresne

I suggest mudman tie himself up on a polar ice bank to prove first-ass his theory that GW is a sham.

[ 02 February 2008: Message edited by: martin dufresne ]

Brian White

I guess people who deny global warming have stocks in oil and gas and coal. Short term greed clouds their reason.
Science knows that extra CO2 increases the greenhouse effect.
Science knows than extra CO2 is acidifying the oceans (giving jellyfish a huge competitive advantage over bony fish).
Science knows that the extra CO2 changes plant competition worldwide radically.
I do not hear much about this aspect. There has been a huge and sudden jump in CO2 levels. It is a plant nutrient that affects every single plant in the world. If a plant can suck it in really quick in the wet season, it will outcompete another slower growing plant more easily. Sounds like a recipee for weeds (or at least worldwide chaos in the ecosystem) for me.

What happens when global warming gets really bad?
Will the worst affected countrys aim their nukes at the persian gulf and at alberta or at the worst wasters of carbon to slow it down?
I really think they will.
Anyone want to write the book?