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The earth's magnetic field impacts climate: Danish study
AFP on Yahoo ^ | 1/12/09 | AFP

Posted on 01/12/2009 6:33:01 PM PST by NormsRevenge

COPENHAGEN (AFP) – The earth's climate has been significantly affected by the planet's magnetic field, according to a Danish study published Monday that could challenge the notion that human emissions are responsible for global warming.

"Our results show a strong correlation between the strength of the earth's magnetic field and the amount of precipitation in the tropics," one of the two Danish geophysicists behind the study, Mads Faurschou Knudsen of the geology department at Aarhus University in western Denmark, told the Videnskab journal.

He and his colleague Peter Riisager, of the Geological Survey of Denmark and Greenland (GEUS), compared a reconstruction of the prehistoric magnetic field 5,000 years ago based on data drawn from stalagmites and stalactites found in China and Oman.

The results of the study, which has also been published in US scientific journal Geology, lend support to a controversial theory published a decade ago by Danish astrophysicist Henrik Svensmark, who claimed the climate was highly influenced by galactic cosmic ray (GCR) particles penetrating the earth's atmosphere.

Svensmark's theory, which pitted him against today's mainstream theorists who claim carbon dioxide (CO2) is responsible for global warming, involved a link between the earth's magnetic field and climate, since that field helps regulate the number of GCR particles that reach the earth's atmosphere.

"The only way we can explain the (geomagnetic-climate) connection is through the exact same physical mechanisms that were present in Henrik Svensmark's theory," Knudsen said.

"If changes in the magnetic field, which occur independently of the earth's climate, can be linked to changes in precipitation, then it can only be explained through the magnetic field's blocking of the cosmetic rays," he said.

(Excerpt) Read more at news.yahoo.com ...


TOPICS: Culture/Society; Foreign Affairs; Front Page News; Politics/Elections
KEYWORDS: agw; algore; catastrophism; climate; climatechange; climatecycles; earth; environment; globalmarshallplan; globalwarming; globalwarminghoax; godsgravesglyphs; gordonbrown; impacts; magneticfield; magnetism; poleshift; solar
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1 posted on 01/12/2009 6:33:02 PM PST by NormsRevenge
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NASA image of the planet Earth.The earth's climate has been significantly affected by the planet's magnetic field, according to a Danish study published Monday that could challenge the notion that human emissions are responsible for global warming. (AFP/NASA-HO/File/Michael Benson)


2 posted on 01/12/2009 6:34:30 PM PST by NormsRevenge (Semper Fi ... Godspeed.)
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To: NormsRevenge

LOL, this is beautiful!


3 posted on 01/12/2009 6:36:34 PM PST by headstamp 2 (Been here before)
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To: NormsRevenge
Sure it does. But humans driving SUVs alters the earth's magnetic field!!!!! /s
4 posted on 01/12/2009 6:37:20 PM PST by coloradan (The US has become a banana republic, except without the bananas - or the republic.)
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To: NormsRevenge

This doesn’t mean I have to clean off the front of my refrigerator, does it?


5 posted on 01/12/2009 6:37:33 PM PST by squidly
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To: NormsRevenge

Cosmetic rays? Beautiful indeed!


6 posted on 01/12/2009 6:38:03 PM PST by coloradan (The US has become a banana republic, except without the bananas - or the republic.)
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To: NormsRevenge

And what has a significant effect on the Earth’s magnetic field? Solar radiation. Gasp! The sun effects our weather!! Who knew?!


7 posted on 01/12/2009 6:39:22 PM PST by Reaganesque
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To: NormsRevenge
<algore>

Anthropomorphic Magnetic Climate Change threatens our very existence.

Ban fridge magnets.

</algore>

8 posted on 01/12/2009 6:39:41 PM PST by TheWasteLand
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To: NormsRevenge

Gonna be a real bad day if we lose it.


9 posted on 01/12/2009 6:40:04 PM PST by cripplecreek (The poor bastards have us surrounded.)
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To: headstamp 2
Let's pass a law requiring the earths magnetic field to STOP discharging. I think that the 1/2 life of the magnetic field is 50,000 years.

We cannot afford to let any more of it go away!v /sarcasm

10 posted on 01/12/2009 6:40:04 PM PST by BillT (Socialism = Equal Poverty for ALL)
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To: NormsRevenge; calcowgirl; Horusra; CygnusXI; Entrepreneur; Defendingliberty; WL-law; ...
 


Beam me to Planet Gore !

11 posted on 01/12/2009 6:42:34 PM PST by steelyourfaith
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To: NormsRevenge

I knew it. Cows carrying magnets were the problem all along.


12 posted on 01/12/2009 6:42:51 PM PST by DoughtyOne (I see that Kenya's favorite son has a new weekly Saturday morning radio show.)
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To: NormsRevenge
...blocking of the cosmetic rays...

Cosmetic rays: A form of energy that makes people look better.

13 posted on 01/12/2009 6:42:59 PM PST by Reaganesque
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To: NormsRevenge

Well it was ok until last paragraph:

“The two scientists acknowledged that CO2 plays an important role in the changing climate, ...”

Looks like somebody’s trying to save his grant.


14 posted on 01/12/2009 6:44:28 PM PST by Bhoy
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To: NormsRevenge

It’s a LIE. GLOBAL WARMING is for real. Don’t believe me check out the forecast for Philadelphia, PA this weekend. It’s going to be.....err.....uhhhh.....the temprature will be a sweltering....err.......uh.....19 degrees. LOL!!!!!


15 posted on 01/12/2009 6:46:21 PM PST by LeonardFMason
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To: NormsRevenge
could challenge the notion that human emissions are responsible for global warming/b>

All well and good...
It's about time...
Keep up the good work...

BUT...

What global warming? What are the numbers and how were they obtained? I assert that the numbers are 1) scant, and 2) obtained with very flawed methods. Ergo, they are worse than worthless, because they have spawned a communist, new age cult.

16 posted on 01/12/2009 6:54:20 PM PST by Migraine (Diversity is great... ...until it happens to YOU.)
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To: DoughtyOne
I knew it. Cows carrying magnets were the problem all along.

A Moose with a Cow Magnet once bit my Sister.

17 posted on 01/12/2009 6:54:29 PM PST by Grizzled Bear ("Does not play well with others.")
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To: NormsRevenge

interesting


18 posted on 01/12/2009 7:11:03 PM PST by RaceBannon (We have sown the wind, but we will reap the whirlwind. NObama. Not my president.)
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To: NormsRevenge

Click the pic for the table of contents. Minor variations in the magnetic field may very well influence the cosmic rays directed at earth. A reduced level will lead to increased clouds. Losing it entirely initiates an extinction event with very high levels of radioactivity.

19 posted on 01/12/2009 7:13:00 PM PST by Myrddin
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To: NormsRevenge
"If changes in the magnetic field, which occur independently of the earth's climate, can be linked to changes in precipitation, then it can only be explained through the magnetic field's blocking of the cosmetic rays," he said.

I think that should be cosmic rays. Cosmetic rays are the ones you get from a tanning bed.

20 posted on 01/12/2009 7:20:09 PM PST by reg45
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To: cripplecreek

I seem to recall reading that we are coming up on a fairly regular flip of the north/south. I have heard there is some concerns the flips are correlated to the series of mass extinctions. Since a flip could result in a temporary opening to allow in a significant radiation I can see the plausibility.

I gotta go dig the books out again to be sure....darn.


21 posted on 01/12/2009 7:21:37 PM PST by reed13k (For evil to triumph it is only necessary for good men to do nothing.)
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To: NormsRevenge

187r


22 posted on 01/12/2009 7:23:25 PM PST by DBrow
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To: reed13k

Just imagine what sorts of taxes liberals would impose in the event of a magnetic field pole-flip, if they want to impose a multi-trillion-impact Kyoto treaty to fight the phantom of anthropogenic global warming.


23 posted on 01/12/2009 7:43:02 PM PST by coloradan (The US has become a banana republic, except without the bananas - or the republic.)
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To: NormsRevenge

Grabbing my wallet..


24 posted on 01/12/2009 7:52:18 PM PST by John123 (The US may be going down the drain, but everyone else will drown first...)
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To: NormsRevenge
The results of the study, which has also been published in US scientific journal Geology, lend support to a controversial theory published a decade ago by Danish astrophysicist Henrik Svensmark, who claimed the climate was highly influenced by galactic cosmic ray (GCR) particles penetrating the earth's atmosphere.

Svensmark's theory, which pitted him against today's mainstream theorists who claim carbon dioxide (CO2) is responsible for global warming, involved a link between the earth's magnetic field and climate, since that field helps regulate the number of GCR particles that reach the earth's atmosphere.

It might make a good movie.

25 posted on 01/12/2009 8:09:13 PM PST by HoosierHawk
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To: NormsRevenge
The earth's magnetic field impacts climate: Danish study

mmmm..study danish...mmm


26 posted on 01/12/2009 8:15:40 PM PST by BerniesFriend
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To: Old Professer; cogitator

Ping of interest.


27 posted on 01/12/2009 8:17:00 PM PST by ConservativeMind (What's "Price Gouging"? Should government force us to sell to the 15th highest bidder on eBay?)
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To: cripplecreek

Dec 21, 2012


28 posted on 01/12/2009 8:17:45 PM PST by silverleaf (Fasten your seat belts- it's going to be a BUMPY ride.)
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To: Myrddin

Dec 21, 2012


29 posted on 01/12/2009 8:19:11 PM PST by silverleaf (Fasten your seat belts- it's going to be a BUMPY ride.)
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To: reed13k
Check out the book I referenced. When a full magnetic reversal occurs, the magnetic field may be at very low levels for a significant periods (months or years). During that time, high energy radiation is free to strike the earth with little resistance. Felix presses his point further to suggest that strong magnetic excursions might be initiating nuclear explosions near the earth's surface. That would account for the layers of "nano diamonds" found at the extinction boundaries.

Felix does a great job of documenting his theory in the book. You could spend months just crawling through the bibliography.

30 posted on 01/12/2009 8:26:32 PM PST by Myrddin
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To: coloradan
Thankfully, most of the liberals would be extinct as a consequence of a "pole flip". So would most of those who find them irritating and obnoxious. It's really not an event you hope will happen in your lifetime, but there are signs that it may be happening in the near future.
31 posted on 01/12/2009 8:29:35 PM PST by Myrddin
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To: LeonardFMason

“It’s a LIE. GLOBAL WARMING is for real. Don’t believe me check out the forecast for Philadelphia, PA this weekend. It’s going to be.....err.....uhhhh.....the temprature will be a sweltering....err.......uh.....19 degrees. LOL!!!!!”

What is Al Gore up to this weekend?

I don’t think it’s been this cold in NY since he addressed the UN on Global Warming quite a few years ago.


32 posted on 01/12/2009 8:30:50 PM PST by Scotswife (GO ISRAEL!!!)
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To: silverleaf
Dec 21, 2012

If the Mayans were correct, that is nominally the time when our solar system crosses the galactic plane. We'll all get to see what happens. It could be a very exciting Winter solstice.

33 posted on 01/12/2009 8:31:50 PM PST by Myrddin
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To: Scotswife
Pocatello has been sweltering in temperatures from +30F to +40F the last week. The snow from the Christmas blizzard is still melting. I've even felt bold enough to take my motorcycle out for some careful local trips. As long as you avoid all the new pot holes and stay clear of the snow piles on the side of the road, it is just fine. The wind chill from riding 35 MPH in +35F air puts a damper on the fun.
34 posted on 01/12/2009 8:34:56 PM PST by Myrddin
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To: NormsRevenge

I just got back from the Patent and Copy write offices and am setting up a offshore account and office to process the Fridge Magnets offsets Credit Caper for Cash in the Caribbean...


35 posted on 01/12/2009 8:38:42 PM PST by tubebender (Search continues for missing Tag line... More news at 11)
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Ground-based bacteria may be making it rain
New Scientist | Jan 12, 2008 | Devin Powell
Posted on 01/12/2009 5:36:30 PM PST by decimon
http://www.freerepublic.com/focus/f-chat/2163499/posts


36 posted on 01/12/2009 8:42:41 PM PST by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: 75thOVI; aimhigh; Alice in Wonderland; AndrewC; aragorn; aristotleman; Avoiding_Sulla; BBell; ...
magnetic pole shift site:freerepublic.com
Google
 
Catastrophism
 
· join · view topics · view or post blog · bookmark · post new topic ·

37 posted on 01/12/2009 8:43:37 PM PST by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: StayAt HomeMother; Ernest_at_the_Beach; 1ofmanyfree; 21twelve; 24Karet; 2ndDivisionVet; 31R1O; ...

· join list or digest · view topics · view or post blog · bookmark · post a topic ·

 
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To all -- please ping me to other topics which are appropriate for the GGG list.
GGG managers are SunkenCiv, StayAt HomeMother, and Ernest_at_the_Beach
 

· Google · Archaeologica · ArchaeoBlog · Archaeology · Biblical Archaeology Society ·
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· The Archaeology Channel · Excerpt, or Link only? · cgk's list of ping lists ·


38 posted on 01/12/2009 8:50:05 PM PST by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: NormsRevenge; All
"The results of the study, which has also been published in US scientific journal Geology, lend support to a controversial theory published a decade ago by Danish astrophysicist Henrik Svensmark, who claimed the climate was highly influenced by galactic cosmic ray (GCR) particles penetrating the earth's atmosphere."

VERY interesting! Thanks. Can't think of a better place for posting the following again... (Henrik Svensmark is mentioned below as well)

If you look at the chart below, you will see that sunspot activity (during solar maxes--the individual peaks) has been relatively high since about 1900 and almost non-existent for the period between about 1625 and 1725. This period is known as the Maunder (sunspot) Minimum or "Little Ice Age".-ETL

From BBC News [yr: 2004]:
"A new [2004] analysis shows that the Sun is more active now than it has been at anytime in the previous 1,000 years. Scientists based at the Institute for Astronomy in Zurich used ice cores from Greenland to construct a picture of our star's activity in the past. They say that over the last century the number of sunspots rose at the same time that the Earth's climate became steadily warmer."..."In particular, it has been noted that between about 1645 and 1715, few sunspots were seen on the Sun's surface. This period is called the Maunder Minimum after the English astronomer who studied it. It coincided with a spell of prolonged cold weather often referred to as the "Little Ice Age". Solar scientists strongly suspect there is a link between the two events - but the exact mechanism remains elusive."
http://news.bbc.co.uk/1/hi/sci/tech/3869753.stm

It's really hard to imagine how this little ball of fire could have any impact on our climate at all.

But the main arguments being made for a solar-climate connection is not so much to do with the heat of the Sun but rather with its magnetic cycles. When the Sun is more magnetically active (typically around the peak of the 11 year sunspot cycle --we are a few yrs away at the moment), the Sun's magnetic field is better able to deflect away incoming galactic cosmic rays (highly energetic charged particles coming from outside the solar system). The GCRs are thought to help in the formation of low-level cumulus clouds -the type of clouds that BLOCK sunlight and help cool the Earth. So when the Sun's MF is acting up (not like now -the next sunspot max is expected in about 2012), less GCRs reach the Earth's atmosphere, less low level sunlight-blocking clouds form, and more sunlight gets through to warm the Earth's surface...naturally. Clouds are basically made up of tiny water droplets. When minute particles in the atmosphere become ionized by incoming GCRs they become very 'attractive' to water molecules, in a purely chemical sense of the word. The process by which the Sun's increased magnetic field would deflect incoming cosmic rays is very similar to the way magnetic fields steer electrons in a cathode ray tube or electrons and other charged particles around the ring of a subatomic particle accelerator.-ETL

____________________________________________________

There's a relatively new book out on the subject titled The Chilling Stars. It's written by one of the top scientists advancing the theory (Henrik Svensmark).

http://www.sciencedaily.com/books/t/1840468157-the_chilling_stars_the_new_theory_of_climate_change.htm

And here is the website for the place where he does his research:
2008: "The Center for Sun-Climate Research at the DNSC investigates the connection between variations in the intensity of cosmic rays and climatic changes on Earth. This field of research has been given the name 'cosmoclimatology'"..."Cosmic ray intensities – and therefore cloudiness – keep changing because the Sun's magnetic field varies in its ability to repel cosmic rays coming from the Galaxy, before they can reach the Earth." :
http://www.spacecenter.dk/research/sun-climate

100,000-Year Climate Pattern Linked To Sun's Magnetic Cycles:
ScienceDaily (Jun. 7, 2002) HANOVER, N.H.
Thanks to new calculations by a Dartmouth geochemist, scientists are now looking at the earth's climate history in a new light. Mukul Sharma, Assistant Professor of Earth Sciences at Dartmouth, examined existing sets of geophysical data and noticed something remarkable: the sun's magnetic activity is varying in 100,000-year cycles, a much longer time span than previously thought, and this solar activity, in turn, may likely cause the 100,000-year climate cycles on earth. This research helps scientists understand past climate trends and prepare for future ones.
http://www.sciencedaily.com/releases/2002/06/020607073439.htm

From a well-referenced wikipedia.com column (see wiki link for ref 14):
"Sunspot numbers over the past 11,400 years have been reconstructed using dendrochronologically dated radiocarbon concentrations. The level of solar activity during the past 70 years is exceptional — the last period of similar magnitude occurred over 8,000 years ago. The Sun was at a similarly high level of magnetic activity for only ~10% of the past 11,400 years, and almost all of the earlier high-activity periods were shorter than the present episode.[14]"

[14] ^Solanki, Sami K.; Usoskin, Ilya G.; Kromer, Bernd; Schüssler, Manfred & Beer, Jürg (2004), “Unusual activity of the Sun during recent decades compared to the previous 11,000 years”, Nature 431: 1084–1087, doi:10.1038/nature02995, . Retrieved on 17 April 2007 , "11,000 Year Sunspot Number Reconstruction". Global Change Master Directory. Retrieved on 2005-03-11.


"Reconstruction of solar activity over 11,400 years. Period of equally high activity over 8,000 years ago marked.
Present period is on [the right]. Values since 1900 not shown."
http://en.wikipedia.org/wiki/Solar_variation

____________________________________________________

From NASA's Solar and Heliospheric Observatory's "Not So Frequently Asked Questions" section:

Q-Does the number of sunspots have any effect on the climate here on Earth?

A-Sunspots are slightly cooler areas on the surface of the Sun, due to the intense magnetic fields, so they radiate a little less energy than the surroundings. However, there are usually nearby areas associated with the sunspots that are a little hotter (called falculae), and they more than compensate. The result is that there is a little bit more radiation coming from the Sun when it has more sunspots, but the effect is so small that it has very little impact on the weather and climate on Earth.

However, there are more important indirect effects: sunspots are associated with what we call "active regions", with large magnetic structures containing very hot material (being held in place by the magnetism). This causes more ultraviolet (or UV) radiation (the rays that give you a suntan or sunburn), and extreme ultraviolet radiation (EUV). These types of radiation have an impact on the chemistry of the upper atmosphere (e.g. producing ozone). Since some of these products act as greenhouse gases, the number of sunspots (through association with active regions) may influence the climate in this way.

Many active regions produce giant outflows of material that are called Coronal Mass Ejections. These ejections drag with them some of the more intense magnetic fields that are found in the active regions. The magnetic fields act as a shield for high-energy particles coming from various sources in our galaxy (outside the solar system). These "cosmic rays" (CRs) cause ionization of molecules in the atmosphere, and thereby can cause clouds to form (because the ionized molecules or dust particle can act as "seeds" for drop formation).

If clouds are formed very high in the atmosphere, the net result is a heating of the Earth - it acts as a "blanket" that keeps warmth in.

If clouds are formed lower down in the atmosphere, they reflect sunlight better than they keep heat inside, so the net result is cooling. Which processes are dominant is still a matter of research.

http://sohowww.nascom.nasa.gov/classroom/notsofaq.html#SUNSPOT_CLIMATE

____________________________________________________

NASA graph of sunspot activity over the past 400 years [note the profound lack of sunspot activity during the "Little Ice Age" period (apprx 1650-1720), AND the sharp INCREASE during the past 60 years:

http://science.nasa.gov/ssl/pad/solar/images/ssn_yearly.jpg

39 posted on 01/12/2009 9:06:12 PM PST by ETL (Smoking gun evidence on ALL the ObamaRat-commie connections at my newly revised FR Home/About page)
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To: headstamp 2
LOL, this is beautiful!

No it isn't!

The next thing will be to tear down the grids, and close the power plants, because they ‘change’ the earth’s magnetic signature!

40 posted on 01/12/2009 9:41:36 PM PST by ApplegateRanch (If Liberalism doesn't kill me, I'll live 'till I die!)
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To: Grizzled Bear

That is just Jon de Cheesey of you.


41 posted on 01/12/2009 9:45:58 PM PST by ApplegateRanch (If Liberalism doesn't kill me, I'll live 'till I die!)
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To: NormsRevenge
"Svensmark's theory, which pitted him against today's mainstream theorists who claim carbon dioxide (CO2) is responsible for global warming, involved a link between the earth's magnetic field and climate, since that field helps regulate the number of GCR particles that reach the earth's atmosphere."

I just realized they made a mistake here. Svensmark's theory involves the SUN's magnetic field, not the Earth's. It has to do with the sunspot cycle. However, it looks like the basic mechanism is more or less the same. See my earlier post above for more info on this.

42 posted on 01/12/2009 10:03:09 PM PST by ETL (Smoking gun evidence on ALL the ObamaRat-commie connections at my newly revised FR Home/About page)
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To: NormsRevenge

That is, unless he has newer modified theory? But I doubt it because they describe it as being from 1998 or so. This would mean they are wrong then. In any case, it is definitely the same concept: magnetic fields repelling cloud-producing cosmic rays from space.


43 posted on 01/12/2009 10:09:06 PM PST by ETL (Smoking gun evidence on ALL the ObamaRat-commie connections at my newly revised FR Home/About page)
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To: NormsRevenge

Thanks for posting!


44 posted on 01/12/2009 10:33:22 PM PST by patriciaruth (http://www.freerepublic.com/focus/f-news/1993905/posts)
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To: Myrddin

Amazon isn’t selling the Magnetic Reversals book yet.

How do you know about it?


45 posted on 01/12/2009 10:41:18 PM PST by patriciaruth (http://www.freerepublic.com/focus/f-news/1993905/posts)
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To: Myrddin

Do we cross the galactic plane every 26,000 years?


46 posted on 01/12/2009 10:42:42 PM PST by patriciaruth (http://www.freerepublic.com/focus/f-news/1993905/posts)
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To: Myrddin

What does Felix say about Tunguska?


47 posted on 01/12/2009 10:44:42 PM PST by patriciaruth (http://www.freerepublic.com/focus/f-news/1993905/posts)
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To: ETL
Possibly something of interest that may link the two

A possible correlation between solar activity and Earth's oblateness

Recent observations demonstrate that Earth's dynamic oblateness (J2), which has exhibited a decrease since 1979, suddenly increased around 1997 and the increase is still continuing. The decrease is attributed to post-glacial rebound from the mantle, and several causes, all of terrestrial nature, have been suggested to explain the sudden change in the trend. But the observations remain puzzling. On the other hand, close relationships are known to exist between many phenomena on the Earth with solar activity, and unusual behaviours of other planets have also been demonstrated to be correlated with solar activity. We show here that solar activity is significantly correlated with J2, and is possibly responsible for the sudden increase in Earth's dynamic oblateness around 1997, the latter being due to an enormous increase in the correlation.

I would think changing the shape of the earth would have an effect on the magnetic field

48 posted on 01/12/2009 10:52:02 PM PST by qam1 (There's been a huge party. All plates and the bottles are empty, all that's left is the bill to pay)
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To: xcamel

FYI


49 posted on 01/12/2009 10:54:19 PM PST by qam1 (There's been a huge party. All plates and the bottles are empty, all that's left is the bill to pay)
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To: patriciaruth
You can buy it directly from the author. I already have a copy (autographed) that I have read cover to cover.
50 posted on 01/12/2009 11:10:31 PM PST by Myrddin
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