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eBook Reversals of the Earth's Magnetic Field ePub

eBook Reversals of the Earth's Magnetic Field ePub

by J. A. Jacobs

  • ISBN: 0521450721
  • Category: Physics
  • Subcategory: Math Science
  • Author: J. A. Jacobs
  • Language: English
  • Publisher: Cambridge University Press; 2 edition (January 27, 1995)
  • Pages: 358
  • ePub book: 1130 kb
  • Fb2 book: 1616 kb
  • Other: lit mobi doc lrf
  • Rating: 4.2
  • Votes: 297

Description

The earth's magnetic field. Contemporary Physics, Vol. 36, Issue. Source: Geological Magazine.

The earth's magnetic field. Structural instability of the Rikitake Disk Dynamo. Actions for selected content

A geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged (not to be confused with geographic north and geographic south). The Earth's field has alternated.

A geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged (not to be confused with geographic north and geographic south). The Earth's field has alternated between periods of normal polarity, in which the predominant direction of the field was the same as the present direction, and reverse polarity, in which it was the opposite. These periods are called chrons.

Professor Jacobs has not only succeeded in thoroughly covering the basics of reversal studies, but he has also . This book deals with the particular case of reversals of the Earth's magnetic field

This book deals with the particular case of reversals of the Earth's magnetic field. These have played a major role in the development of plate tectonics and in establishing a geological time scale. The magnetism of rocks is discussed in some detail with a warning of possible misinterpretations of the record.

First, make sure you read The Magnetic Field of the Earth (recommended by the author of this book) or some similar text. It has been some time since I read that book, so I found myself a bit lost when confronted with various geodynamo models that were not explained.

This book deals with the particular case of reversals of the Earth's magnetic field.

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Paperback Joy Fielding Books. Illustrated Environment, Nature & Earth Paperback Books. Paperback Fiction Books in English Anna Jacobs. Additional site navigation.

Reversals of the Earth's field (4 queries). Can Magnetism propel Spaceships? Reversal of the Sun's Magnetic Poles. Magnetic field lines of the Earth crowd into any iron oriented north-south, and since they are denser inside the iron, in the surrounding space they are more spread out, that is, the magnetic intensity there is weaker. htm, "About Electronic Magnetometers and about Smoking" (last section there).

Many times over our planet’s history, Earth’s magnetic poles have reversed, meaning that sometimes a compass .

Many times over our planet’s history, Earth’s magnetic poles have reversed, meaning that sometimes a compass pointing north will be aimed at Antarctica rather than the Arctic. This might sound strange, but it’s a relatively predictable quirk. Powered by the machinations of the planet’s spinning iron core, this process of geomagnetic reversal has been doing its thing without much fanfare for eons. That is, until this week, when a book excerpt describing the phenomenon appeared online.

This book deals with the particular case of reversals of the Earth's magnetic field. These have played a major role in the development of plate tectonics and in establishing a geological time scale. The magnetism of rocks is discussed in some detail with a warning of possible misinterpretations of the record. The latest observational results and theories are reviewed with special attention to the structure and geometry of the transition field. Changing conditions at the core-mantle boundary, their effect on reversals, the generation of plumes and the possible correlation of reversals with tectonic changes, ice ages or mass extinctions are thoroughly discussed, including suggested periodicities in the reversal record and in other geophysical data.