The Evolving Geomagnetic Field
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Author | : E. Tema |
Publisher | : Geological Society of London |
Total Pages | : 237 |
Release | : 2020-10-15 |
Genre | : Science |
ISBN | : 1786204738 |
Download Geomagnetic Field Variations in the Past Book in PDF, Epub and Kindle
In the last decades, palaeomagnetic research has provided important information about the past variation of the Earth’s magnetic field (EMF) from its origin to the present day. However, questions regarding the origin and evolution of the EMF as well as the frequency and spatial distribution of its variations still remain open to debate. This Special Publication provides new insights into the study of the temporal and spatial evolution of the EMF presenting new data from palaeomagnetic and rock magnetic studies of archaeological materials, sediments and lavas. The papers presented cover a wide range of topics related to archaeology, stratigraphy and climate, including new data from several parts of the world, such as Europe, Africa, Australia, New Zealand, India and the Baltic Sea. This Special Publication aims to present an overview of the most recent secular variation studies and their use to disclose fundamental properties of the EMF evolution.
Author | : Greig A. Paterson |
Publisher | : Frontiers Media SA |
Total Pages | : 106 |
Release | : 2019-06-21 |
Genre | : |
ISBN | : 2889458954 |
Download The Evolving Geomagnetic Field Book in PDF, Epub and Kindle
Earth’s magnetic field has protected our planet for billions of years and provides key insights into the internal workings of our home planet. The geomagnetic field varies in distinctive fashions across a broad spectrum of timescales from milliseconds to millions of years. To understand these variations, Earth scientists utilize a diverse arsenal of tools from hi-tech satellites, such as the Swarm array, to archeological pottery and geological materials, through to advanced numerical simulations that harness the power of supercomputers. Armed with these tools we tackle problems related to the ancient magnetic field, how the geodynamo works and what this means for modern life. Despite being studied for more than 400 years, there are many unanswered questions about the geomagnetic field. This Research Topic on “The Evolving Geomagnetic Field” brings together these varied approaches to present our latest understanding of the workings of the geodynamo and the geomagnetic field across all timescales.
Author | : McElhinny |
Publisher | : Academic Press |
Total Pages | : 417 |
Release | : 1984-01-04 |
Genre | : Science |
ISBN | : 0080954634 |
Download The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective Book in PDF, Epub and Kindle
The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective
Author | : Jeremy Bloxham |
Publisher | : |
Total Pages | : 8 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download The Evolution of the Earth's Magnetic Field Book in PDF, Epub and Kindle
Author | : K.H. Glaßmeier |
Publisher | : Springer Science & Business Media |
Total Pages | : 221 |
Release | : 2008-10-20 |
Genre | : Science |
ISBN | : 3540769390 |
Download Geomagnetic Field Variations Book in PDF, Epub and Kindle
Earth’s magnetic field is currently changing dramatically. Is the observed decrease of the dipole moment indicating a future polarity transition? What would be the effects of such a drastic change on system Earth? Can any positive or negative effects on our biosphere or even humans be expected? This book gives a first overview about the geomagnetic field in general and serves as an introduction into geomagnetism. As the topic of the book covers a wide range of scientific disciplines, the first chapter summarises basic principles of geomagnetism and related fields including a historic overview, instruments and measurements, paleomagnetic fields, basics of dynamo theory, etc. The contributed chapters review major results of international activities aiming at understanding the causes and effects of geomagnetic field variations in view of the questions above.
Author | : G. Hulot |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2014-11-22 |
Genre | : Science |
ISBN | : 9781489994028 |
Download Terrestrial Magnetism Book in PDF, Epub and Kindle
The articles in this volume provide a detailed review of all aspects of the main magnetic field of the Earth produced within the Earth’s core: its past history, its long and short term changes, the way it is generated. The book contains the combined knowledge of geomagnetism coming from paleomagnetic and archeomagnetic data, centuries of terrestrial observations and from the past few decades of intensive space observations. There is considerable emphasis on the phenomenology and the physical processes of the evolution of the geomagnetic field on different timescales. The book reports fully on our understanding of the present state of the magnetic field and its expected evolution in the future.
Author | : Roman Teisseyre |
Publisher | : Elsevier |
Total Pages | : 484 |
Release | : 2016-01-21 |
Genre | : Science |
ISBN | : 1483291596 |
Download Dynamics of the Earth's Evolution Book in PDF, Epub and Kindle
This sixth volume in the monograph series Physics and Evolution of the Earth's Interior presents the problems of the mature evolution of the Earth's interior. It provides comprehensive coverage of the present state of the mantle convection theory. The relations between paleomagnetism, plate tectonics and mantle convection theory are discussed. A more general view of the evolution based on the thermodynamics of irreversible processes is also given. This book will interest geophysicists, geologists, geodesists and planetologists.
Author | : Sanja Panovska |
Publisher | : |
Total Pages | : 228 |
Release | : 2012 |
Genre | : |
ISBN | : |
Download Modelling Holocene Geomagnetic Field Evolution Book in PDF, Epub and Kindle
Author | : Mioara Mandea |
Publisher | : Cambridge University Press |
Total Pages | : 347 |
Release | : 2019-11-14 |
Genre | : Science |
ISBN | : 1108418481 |
Download Geomagnetism, Aeronomy and Space Weather Book in PDF, Epub and Kindle
An interdisciplinary review of research in geomagnetism, aeronomy and space weather, written by eminent researchers from these fields.
Author | : Joseph L. Kirschvink |
Publisher | : Springer Science & Business Media |
Total Pages | : 679 |
Release | : 2013-04-17 |
Genre | : Science |
ISBN | : 1461303133 |
Download Magnetite Biomineralization and Magnetoreception in Organisms Book in PDF, Epub and Kindle
The mystery of how migrating animals find their way over unfamiliar terrain has intrigued people for centuries, and has been the focus of productive research in the biological sci ences for several decades. Whether or not the earth's magnetic field had anything to do with their navigational abilities has sufaced and been dismissed several times, beginning at least in the mid to late 1800s. This topic generally remained out of the mainstream of scientific research for two reasons: (1) The apparent irreproducibility of many of the be havioral experiments which were supposed to demonstrate the existence of the magnetic sense; and (2) Perceived theoretical difficulties which were encountered when biophysi cists tried to understand how such a sensory system might operate. However, during the mid to late 1960s as the science of ethology (animal behavior) grew, it became clear from studies on bees and birds that the geomagnetic field is used under a variety of conditions. As more and more organisms were found to have similar abilities, the problem shifted back to the question as to the basis of this perception. Of the various schemes for trans ducing the geomagnetic field to the nervous system which have been proposed, the hy pothesis of magnetite-based magnetoreception discussed at length in this volume has per haps the best potential for explaining a wide range of these effects, even though this link is as yet clear only in the case of magnetotactic bacteria.