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Author Topic: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE  (Read 2630 times)

ilinda

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Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« on: April 06, 2015, 07:31:28 AM »
(Note: by clicking on the link, you will see graphics in the original that do not duplicate when "copy&paste"-ing.)

http://phys.org/news/2012-10-extremely-reversal-geomagnetic-field-climate.html

An extremely brief reversal of the geomagnetic field, climate variability and a super volcano

Oct 16, 2012

The polarity reversal was a global event. © Dr. habil. Norbert R. Nowaczyk / GFZ
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.

Normal and inverse polarity of Earth. © Dr. habil. Norbert R. Nowaczyk / GFZ

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.

Normal and inverse polarity of Earth. © Dr. habil. Norbert R. Nowaczyk / GFZ

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.


Read more at: http://phys.org/news/2012-10-extremely-reversal-geomagnetic-field-climate.html#jCp


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.
 Explore further: New technique targets numerical errors related to time evolution in weather and climate models
More information: 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


Read more at: http://phys.org/news/2012-10-extremely-reversal-geomagnetic-field-climate.html#jCp





Ruth

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #1 on: July 30, 2015, 10:35:50 PM »
Planetary Magnetic Field Crucial for Habitability
Highlights
- Geomagnetic field reversal substantially weakens the protection for the atmosphere.
- Solar wind energizes more oxygen ions to escape when geomagnetic field is weakened.
- Oxygen escape may explain the drop of atmospheric level during mass extinction.
- The causal relation between reversal and mass extinction should be “many-to-one”.
- The simulated oxygen escape rate based on knowledge of Mars support the hypothesis.

A weakening magnetosphere caused by shifting magnetic poles, as we are experiencing now, allows atmospheric Oxygen to pull away with the solar wind. Researchers now believe this may have occurred in prior pole shifts leading to mass extinction of Oxygen dependent life forms, such as the dinosaurs and marine life during the Triassic-Jurassic event. 
Results of research simulations of the Oxygen ion escape rate  “show that geomagnetic reversal could enhance the oxygen escape rate by 3–4 orders only if the magnetic field was extremely weak, even without consideration of space weather effects. This suggests that our hypothesis could be a possible explanation of a correlation between geomagnetic reversals and mass extinction. Therefore, if this causal relation indeed exists, it should be a “many-to-one” scenario rather the previously considered “one-to-one”, and planetary magnetic field should be much more important than previously thought for planetary habitability.”
Earth and Planetary Science Letters
Volume 394, 15 May 2014, Pages 94–98
http://www.sciencedirect.com/science/article/pii/S0012821X14001629
Oxygen escape from the Earth during geomagnetic reversals: Implications to mass extinction

ilinda

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #2 on: August 06, 2015, 07:13:14 AM »
Ruth, thanks for sharing this.  This is a big deal and am surprised not to see it splashed everywhere!

MadMax

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #3 on: August 17, 2016, 02:50:36 AM »
GREAT new short video in the members section of Suspicious0bservers on the accelerating pace of Earth’s Magnetic Reversal, check it out if you subscribe to the website!
Deeper Look – Episode 63

http://www.suspicious0bservers.org/august-12-2016/


Max.
"Ignorance is Bliss" - (Agent Smith the first Matrix Movie)

Yowbarb

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #4 on: February 04, 2018, 05:54:07 PM »
http://earthsky.org/earth/how-earths-magnetic-field-is-changing-swarm

How Earth’s magnetic field is changing

By Deborah Byrd in EARTH | May 16, 2016
Data from a trio of satellites show rapid local changes in Earth’s magnetic field. The cause is likely accelerations in the flow of liquid iron near Earth’s core.

Yowbarb

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R.R. Book

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #6 on: February 13, 2018, 10:32:03 AM »
https://youtu.be/keLS04P0Frw?t=2012  (Link set to go directly to the correct segment)

@ around 33:30, Dutchsinse interrupts his regular video and presents a special segment theorizing that Earth's core is a fluid or gas-filled dynamo generating plasma which produces our electromagnetic field.  When spinning in slow motion, plasma is randomly generated, and when sped up, plasma is concentrated and entrained into a north and south pole.  When aluminum is applied to the exterior of the globe (ala chemtrailing), a unipole is produced.

Dutch's source material is courtesy of a scientist experimenting with Keshe's free-energy device which utilizes concentric spheres containing liquid electrolytes or gases:

https://www.youtube.com/watch?v=Wis_HEa3X84
« Last Edit: February 13, 2018, 10:44:49 AM by R.R. Book »

R.R. Book

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #7 on: February 16, 2018, 10:43:29 AM »
https://www.youtube.com/watch?v=K6010cXu_lk

Yesterday Dr. Claudia Albers published a white paper documenting that Earth's magnetic field began shifting rapidly around the year 2000, rather than gradually fluctuating over time.

She explains that under normal conditions, a geomagnetic field may drop to around 5% of its previous strength, contradicting comments on the web that we may be losing its protection from solar radiation.  Even if the magnetic field should drop to zero, there is a secondary cushion against radiation provided by the solar wind, which is capable of inducing a geomagnetic field in the earth's ionosphere.  The same process protects Venus, which has no magnetic field of its own.

Dr. Albers describes what a natural reversal or partial reversal (pole "excursion") looks like, and then concludes that the dramatic earth changes in progress (e.g. earthquakes, volcanic activity, animal die-offs, extreme weather) suggest that a pole shift is being forced upon the planet from an outside source.  This also means that the reversal in progress at this time does not fit into the natural rhythm of pole shifts in the earth's past geological history, suggesting that the current event is not governed by that "schedule."  She further indicates that records of past magnetic reversals left no evidence of earth changes similar to what we are currently experiencing.

The first screenshot below documents the sudden vertical increase in pole migration, setting the current event apart from natural and gradual pole wanderings of past geological ages.

The second screenshot below indicates that in the past 10 years, pole migration has already achieved coverage of half the ground that it took 50 years previously to travel.


ilinda

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #8 on: February 16, 2018, 12:53:34 PM »
https://www.youtube.com/watch?v=K6010cXu_lk

Dr. Albers describes what a natural reversal or partial reversal (pole "excursion") looks like, and then concludes that the dramatic earth changes in progress (e.g. earthquakes, volcanic activity, animal die-offs, extreme weather) suggest that a pole shift is being forced upon the planet from an outside source. 
It makes sense about how an external source of magnetic force could stimulate a complete or partial magnetic pole shift.  Thinking of two hand-held magnets, and how they repulse each other if similar poles are forced toward each other. 

Then think of an errant body entering our solar system, and how that errant body has its own powerful magnetic field, with north and south poles.  Now thinking on what may happen when the introduced north pole tries to interact with the north pole of our sun and/or Earth.  Lots to consider, especially for those of us who are not experts in these fields.  Still, though, it's food for thought.

MadMax

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #9 on: February 16, 2018, 02:37:08 PM »
MagneticReversal.org

SO maintains a great website the summarizes where we are (including a number of good scientific articles)..

Max.
"Ignorance is Bliss" - (Agent Smith the first Matrix Movie)

R.R. Book

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #10 on: February 16, 2018, 02:49:27 PM »
Great Max!  Here's the link: http://magneticreversal.org/   :)

MadMax

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #11 on: March 14, 2018, 02:49:35 AM »
Pole Shift: Something Strangely Mysterious Seems to Be Going on in the Night Sky :-\

http://beforeitsnews.com/paranormal/2018/03/pole-shift-something-strangely-mysterious-seems-to-be-going-on-in-the-night-sky-video-2532751.html

In the video below, MrMB333 analysis the strange phenomenon while people who have witnessed the phenomenon say:

Earth’s magnetic field is decaying at such a rapid rate that scientists think the poles may flip.

New research shows the most significant weakening is happening under Africa, in an area called the ‘South Atlantic Anomaly (SAA).

The force field has weakened significantly in the past 160 years and scientists have suggested that it could be in the process of flipping. Effectively this means a switch in magnetic polarity and would see compasses point south instead of north.

Actually this has happened several times in the history of the planet, occurring roughly every 200,000 to 300,000 years. Approximately 40,000 years ago, it attempted to switch before snapping back into place, reports RT.

Scientists believe that the SAA is the most recent display of a recurring phenomenon in Earth’s core beneath Africa that then affects the entire globe.

Max.
"Ignorance is Bliss" - (Agent Smith the first Matrix Movie)

R.R. Book

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #12 on: March 14, 2018, 10:32:07 AM »
Max, Is this sky blinking phenomenon centered over North America?  Any guesses as to what could be producing that effect over so large an area?

MadMax

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #13 on: May 04, 2018, 02:06:54 AM »
Scientists: Earth’s Magnetic Field Is Acting ‘Weird,’ We Could Experience A ‘Shutter’

http://www.shtfplan.com/headline-news/scientists-earths-magnetic-field-is-acting-weird-we-could-experience-a-shutter_05012018

Scientists are saying that the Earth’s magnetic field is acting strangely, and at some point, we could all experience a shutter. Although we are being told we won’t experience a magnetic pole reversal in the near future, something incredibly strange is going on.

The Earth is showing signs that the poles will flip, yet scientists are denying it will happen soon.(Of course they are going to tell the public that!!:-[

In a new report,  Daniel Baker, who is the director of the Laboratory for Atmospheric and Space Physics at the University of Colorado in Boulder, claims if a magnetic pole reversal happens, it is likely to render some areas of the planet “uninhabitable” by knocking out power grids. Baker’s comments were made in an in-depth Undark report written by Alanna Mitchell, who has a new book about the topic titled “The Spinning Magnet: The Electromagnetic Force that Created the Modern World and Could Destroy It.”

Human beings would survive a pole reversal, but it could cause serious problems with satellite, communications, and power systems. There’s also the possibility it might interfere with the planet’s temperature and climate, but scientists just aren’t sure at the moment what the effects will be because the last full flip was 780,000 years ago, after all. But trust them when they say we won’t experience the grid failures of a pole reversal any time soon…(Of course we will!!)

Max
"Ignorance is Bliss" - (Agent Smith the first Matrix Movie)

R.R. Book

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Re: Changes to EARTH'S GEOMAGNETIC FIELD and MAGNETOSPHERE
« Reply #14 on: May 06, 2018, 01:31:53 PM »
https://www.youtube.com/watch?v=Bz96UEBLyTY 

@ around 7:18, narrator says the Schumann Resonance completely stopped on May 4 - or the data stream did -  and has not returned as of this posting.


 

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