Sentences with phrase «field reversal»

(2), and the polar field reversal around that period.

However, it does suggest that the present - day pattern may be the latest manifestation of a repeating feature that occasionally leads to a global field reversal.

Which could account for our planet's weird history of magnetic field reversals, with north and south poles swapping places.

For instance, there's a long record of geomagnetic field reversals, with the geomagnetic field presumably being near - zero for some time at each reversal.

Among other things, Lathrop will be looking for magnetic field reversals like those seen on Earth.

Present society with its reliance of electricity and electromagnetic effects (e.g. radio, satellite communications) may be vulnerable to technological diruptions in the event of a full field reversal.

That's the conclusion of a new study, which proposes a connection between hyperactive field reversals and this crucial moment in the evolution of life.

The second discrepancy occurring during the maximum of solar cycle 24 can be explained in terms of the unusually extended polar field reversal, with both northern and southern polar fields being simultaneously positive for over a year, leading to a higher flux of GCR particles at Earth.

Studies of ocean sediments and lava flows show the Earth has undergone several hundred field reversals, with the most recent confirmed flip occurring about 780,000 years ago.

Closer to home, a better understanding of these turbulent fluctuations could help us to understand magnetic field reversals.

A magnetic field reversal is a near certainty within the next few hundred thousand years, but there is no evidence that reversals actually are deadly.

Earth's dipole magnetic field strength has decreased 16 percent since 1840, leading to much speculation that the planet is in the early stages of a field reversal.

Earth's dipole magnetic field strength has decreased 16 percent since 1840 — with most of the decay related to the weakening field in the South Atlantic Anomaly — leading to much speculation that the planet is in the early stages of a field reversal.

Some people have speculated on a possible increase in the mutation rate during magnetic - field reversals.

On the basis of these observations we conclude that class I excursions, epitomized by the Laschamp Excursion, are more closely related to normal secular variation and are not necessarily a prelude to magnetic field reversal.»

One phenomenon which has been brought back into the spotlight in recent years is that of transient magnetic field reversals: patches of magnetic field that seem to «flip» their polarity from positive to negative (or vice versa) in response to the initiation of a solar flare.

Latest Study on Gender Disparity in Art Museum Directorships Shows Gains and Reversals in the March Towards Gender Equity in the Field

If there were not alternate theories for the Ice Ages, magnetic field reversal, then the cores might carry more weight.