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Now there's more ice at South Pole than ever


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#16    Professor Buzzkill

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Posted 15 October 2012 - 12:59 AM

Why can't we ever have a climate prediction that comes true? Surely the alarmist would get more support if they can point and say "i told you so!"


#17    Br Cornelius

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Posted 15 October 2012 - 08:06 AM

View PostProfessor Buzzkill, on 15 October 2012 - 12:59 AM, said:

Why can't we ever have a climate prediction that comes true? Surely the alarmist would get more support if they can point and say "i told you so!"
Mean Global temperature trend - correctly predicted. There you go - I told you so :tu:

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#18    regeneratia

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Posted 16 October 2012 - 06:42 PM

Public release date: 16-Oct-2012, http://www.eurekaler...g-aeb101612.php
Helmholtz Association of German Research Centres
An extremely brief reversal of the geomagnetic field, climate variability and a super volcano

41,000 years ago, a complete and rapid reversal of the geomagnetic field occured. Magnetic studies of the GFZ German Research Centre for Geosciences on sediment cores from the Black Sea show that during this period, during the last ice age, a compass at the Black Sea would have pointed to the south instead of north. Moreover, data obtained by the research team formed around GFZ researchers Dr. Norbert Nowaczyk and Prof. Helge Arz, together with additional data from other studies in the North Atlantic, the South Pacific and Hawaii, prove that this polarity reversal was a global event. Their results are published in the latest issue of the scientific journal "Earth and Planetary Science Letters".
What is remarkable is the speed of the reversal: "The field geometry of reversed polarity, with field lines pointing into the opposite direction when compared to today's configuration, lasted for only about 440 years, and it was associated with a field strength that was only one quarter of today's field," explains Norbert Nowaczyk. "The actual polarity changes lasted only 250 years. In terms of geological time scales, that is very fast." During this period, the field was even weaker, with only 5% of today's field strength. As a consequence, the Earth nearly completely lost its protection shield against hard cosmic rays, leading to a significantly increased radiation exposure.
This is documented by peaks of radioactive beryllium (10Be) in ice cores from this time, recovered from the Greenland ice sheet. 10Be as well as radioactive carbon (14C) is caused by the collision of high-energy protons from space with atoms of the atmosphere.
The Laschamp event
The polarity reversal now found with the magnetisation of Black Sea sediments has already been known for 45 years. It was first discovered after the analysis of the magnetisation of several lava flows near the village Laschamp near Clermont-Ferrand in the Massif Central, which differed significantly from today's direction of the geomagnetic field. Since then, this geomagnetic feature is known as the 'Laschamp event'. However, the data of the Massif Central represent only some point readings of the geomagnetic field during the last ice age, whereas the new data from the Black Sea give a complete image of geomagnetic field variability at a high temporal resolution.
Abrupt climate changes and a super volcano
Besides giving evidence for a geomagnetic field reversal 41,000 years ago, the geoscientists from Potsdam discovered numerous abrupt climate changes during the last ice age in the analysed cores from the Black Sea, as it was already known from the Greenland ice cores. This ultimately allowed a high precision synchronisation of the two data records from the Black Sea and Greenland. The largest volcanic eruption on the Northern hemisphere in the past 100 000 years, namely the eruption of the super volcano 39400 years ago in the area of today's Phlegraean Fields near Naples, Italy, is also documented within the studied sediments from the Black Sea. The ashes of this eruption, during which about 350 cubic kilometers of rock and lava were ejected, were distributed over the entire eastern Mediterranean and up to central Russia. These three extreme scenarios, a short and fast reversal of the Earth's magnetic field, short-term climate variability of the last ice age and the volcanic eruption in Italy, have been investigated for the first time in a single geological archive and placed in precise chronological order.

###

Nowaczyk, N. R.; Arz, H. W.; Frank, U.; Kind, J.; Plessen, B. (2012): "Dynamics of the Laschamp geomagnetic excursion from Black Sea sediments" Earth and Planetary Science Letters, 351-352, 54-69. doi:10.1016/j.epsl.2012.06.050.
Images in printable resolution:
www.gfz-potsdam.de/portal/gfz/Public+Relations/M40-Bildarchiv/Bildergalerie_Laschamp

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#19    jesspy

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Posted 17 October 2012 - 11:44 AM

It was a very cold dry winter in Australia so I can understand the extra ice. Our weather systems form offf the antartic coast or near abouts. Hell it snowed in Canberra.....Twice!!!! Once in the middle of spring. Now I dont know what has made the world topsy turvy, But there were lots of cyclones offf Asia this Year and Places like the US had bad droughts. We also have been warned for a extreme summer in Australia. So there must be something wrong whether its man/earth/solar related I dunno. ...... I saw snow yippee!!! :)

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#20    regeneratia

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Posted 18 October 2012 - 02:43 PM

Better just to sit on the fence regarding climate change:

OH man, I saw this a day ago. This is important stuff.
I think we need to make note about the fact that this is a lava planet. Heat. Has surely got to influence this solar system.
Closest-Ever Exoplanet Discovered In The Alpha Centauri Star System

October 17, 201

"But astronomers have finally been able to uncover such a planet in this star system, one that orbits Alpha Centauri B, and does so in a very tight orbit of just 3.6 days. It also has a surface temperature approaching 2,200 degrees Fahrenheit, making it far too hot for life to thrive. However, astronomers speculate that the planet is “tidally locked,” meaning the same side always faces its host star; further investigations will be required to prove this, but the team thinks its possible the planet could have an atmosphere.
Posted ImageredOrbit (http://s.tt/1qinD)"

http://www.redorbit....t-found-101712/

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#21    MysticStrummer

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Posted 12 November 2012 - 05:40 PM

I suppose I could start a new thread for this article I saw on Google News this morning, but this thread seems an appropriate place to post it.

http://www.guardian....tarctic-sea-ice

From the article : "The Arctic is losing sea ice five times faster than the Antarctic is gaining it, so, on average, the Earth is losing sea ice very quickly. There is no inconsistency between our results and global warming."

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#22    questionmark

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Posted 12 November 2012 - 05:42 PM

View PostMysticStrummer, on 12 November 2012 - 05:40 PM, said:

I suppose I could start a new thread for this article I saw on Google News this morning, but this thread seems an appropriate place to post it.

http://www.guardian....tarctic-sea-ice

From the article : "The Arctic is losing sea ice five times faster than the Antarctic is gaining it, so, on average, the Earth is losing sea ice very quickly. There is no inconsistency between our results and global warming."

Ehm, yes, that was known for quite a time but just kept been silenced by the drone of the denialists... you know that cult claiming that the earth is not warming...

And the reasons why the ice is growing in the South is (in all likelihood) also known.

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#23    Little Fish

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Posted 13 November 2012 - 12:45 AM

"There is no inconsistency between our results and global warming"

except the ipcc and their climate models were expecting a loss of sea ice in the antarctic.
http://www.ipcc.ch/i...dex.php?idp=150


#24    MysticStrummer

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Posted 13 November 2012 - 01:26 AM

View PostLittle Fish, on 13 November 2012 - 12:45 AM, said:

"There is no inconsistency between our results and global warming"

except the ipcc and their climate models were expecting a loss of sea ice in the antarctic.
http://www.ipcc.ch/i...dex.php?idp=150

They call it a "mystery" in the article that I linked, so I would imagine their models will be tweaked with this new information. They solved the mystery and it doesn't disprove the premise. I'm not sure how this is a problem.

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#25    Little Fish

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Posted 13 November 2012 - 01:41 AM

View PostMysticStrummer, on 13 November 2012 - 01:26 AM, said:

They call it a "mystery" in the article that I linked, so I would imagine their models will be tweaked with this new information. They solved the mystery and it doesn't disprove the premise. I'm not sure how this is a problem.
what would disprove the premise?


#26    Br Cornelius

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Posted 13 November 2012 - 07:07 AM

View PostLittle Fish, on 13 November 2012 - 01:41 AM, said:

what would disprove the premise?
If the energy balance at the top of the atmosphere went into reverse for over 30yrs.
The energy balance at the top of the atmosphere is ultimately the only metric which matters since it proves that the earth planetary system is still accumulating heat energy, ultimately everything else is just details.

Br Cornelius

Edited by Br Cornelius, 13 November 2012 - 07:46 AM.

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#27    Idano

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Posted 14 November 2012 - 02:07 PM

View PostMysticStrummer, on 12 November 2012 - 05:40 PM, said:

I suppose I could start a new thread for this article I saw on Google News this morning, but this thread seems an appropriate place to post it.

http://www.guardian....tarctic-sea-ice

From the article : "The Arctic is losing sea ice five times faster than the Antarctic is gaining it, so, on average, the Earth is losing sea ice very quickly. There is no inconsistency between our results and global warming."

Warm Margaritas? Ick

What could possibly go wrong?

#28    Yes_Man

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Posted 22 November 2012 - 01:06 PM

Isn't there something like this in Nepal? where the ice is growing?


#29    Doug1o29

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Posted 22 November 2012 - 03:01 PM

View PostLittle Fish, on 13 November 2012 - 12:45 AM, said:

"There is no inconsistency between our results and global warming"

except the ipcc and their climate models were expecting a loss of sea ice in the antarctic.
http://www.ipcc.ch/i...dex.php?idp=150
Except that your reference is to the 2001 IPCC report.  Last I looked, this is 2012.  Are you trying to say that we haven't learned anything about climate in the last eleven years?  Well, I can think of one....
Doug

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#30    questionmark

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Posted 22 November 2012 - 03:06 PM

View PostDoug1o29, on 22 November 2012 - 03:01 PM, said:

Except that your reference is to the 2001 IPCC report.  Last I looked, this is 2012.  Are you trying to say that we haven't learned anything about climate in the last eleven years?  Well, I can think of one....
Doug

yep, I can too: the cult of the denialist is getting smaller but more fanatic and ill informed.

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