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This book aims then to describe in a comprehensible way efforts made over centuries of measuring and understanding the magnetic declination. The book also highlights some important characteristics of the Earth’s magnetic field thanks to the declination measurements. Some applications and societal implications are also underlined. Anyone living in the 21st century knows the best way to navigate is by using a smartphone App. Decades and centuries ago, in order to find the same way a magnificent instrument was used: the compass. Despite many being aware of the compass, not everyone appreciates that throughout the ages of exploration, sailors and explorers linked their lives and great discover...
This volume provides comprehensive and authoritative coverage of all the main areas linked to geomagnetic field observation, from instrumentation to methodology, on ground or near-Earth. Efforts are also focused on a 21st century e-Science approach to open access to all geomagnetic data, but also to the data preservation, data discovery, data rescue, and capacity building. Finally, modeling magnetic fields with different internal origins, with their variation in space and time, is an attempt to draw together into one place the traditional work in producing models as IGRF or describing the magnetic anomalies.
An interdisciplinary review of research in geomagnetism, aeronomy and space weather, written by eminent researchers from these fields.
Will life on earth really come crashing to a halt on December 21, 2012? Will solar storms trigger devastating earthquakes and volcanoes that obliterate humankind? Will a large-scale science experiment go awry, destroying our civilization? Is Earth on a collision course with an obscure planet? Will any of these events herald the end of the world? Dr. Raymond C. Hundley analyzes the predictions of the ten most prominent apocalyptic theories in the 2012 doomsday movement. He investigates the claims of scientists, theologians, mathematicians, technologists, and ancient prophets along with the credibility and probability of each theory. The 2012 predictions of the Mayan calendar are considered al...
Geomagnetic field penetrates through all shells of the solid Earth, hydrosphere and atmosphere, spreading into space. The Earth Magnetic Field plays a key-role in major natural processes. Geomagnetic field variations in time and space provide important information about the state of the solid Earth, as well as the solar-terrestrial relationships and space weather conditions. The monograph presents a set of fundamental and, at the same time, urgent scientific problems of modern geomagnetic studies, as well as describes the results of the authors’ developments. The new technique introduced in the book can be applied far beyond the limits of Earth sciences. Requirements to corresponding data ...
This book examines the dynamical processes between high-impact weather and climate events, and between atmospheric and ocean phenomena.
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.
Explores the resilience of the Dutch Republic in the face of preindustrial climate change during the Little Ice Age.
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In the summer of 2000 the German geo-research satellite CHAMP was launched into orbit. Its innovative payload arrangement and the low initial orbit allow CHAMP to simultaneously collect and almost continuously analyse precise data relating to gravity and magnetic fields at low altitude. In addition, CHAMP also measures the neutral atmosphere and ionosphere using GPS techniques. Three years after launch, more than 200 CHAMP investigators and co-investigators from all over the world met at the GeoForschungsZentrum in Potsdam to present and discuss the results derived from the extensive data sets of the mission. The main outcome of this expert meeting is summarized in this volume. The book offers a comprehensive insight into the present status of the exploitation of CHAMP data for Earth system research and practical applications in geodesy, geophysics and meteorology.