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Author: Jean L. Rasson Publisher: Springer Science & Business Media ISBN: 1402050259 Category : Science Languages : en Pages : 358
Book Description
This book shows how the science of geomagnetism contributes to effective use of the magnetic compass for navigation. The book uses techniques from Geology, Instrument science, Magnetism, Chaos theory and Potential Fields applied to the geomagnetic landscape of the Balkan region and surroundings. The editors and contributors have assembled a comprehensive review of measurement, analysis, mapping and forecasting of magnetic declination in support of aeronautical safety.
Author: Jean L. Rasson Publisher: Springer Science & Business Media ISBN: 1402050259 Category : Science Languages : en Pages : 358
Book Description
This book shows how the science of geomagnetism contributes to effective use of the magnetic compass for navigation. The book uses techniques from Geology, Instrument science, Magnetism, Chaos theory and Potential Fields applied to the geomagnetic landscape of the Balkan region and surroundings. The editors and contributors have assembled a comprehensive review of measurement, analysis, mapping and forecasting of magnetic declination in support of aeronautical safety.
Author: Antonio G. Camacho Publisher: Springer Science & Business Media ISBN: 3764389079 Category : Science Languages : en Pages : 225
Book Description
A Complutense International Seminar on "Earth Sciences and Mathematics" was organised and held in Madrid at the Facultad de Ciencias Matemáticas of the Universidad Complutense de Madrid September, 13th-15th, 2006. Scientists from both fields, Mathematics and Earth Sciences, took part in this International Seminar, addressing scientific problems related with our planet from clearly complementary approaches, seeking to gain and learn from this dual approach and proposing a closer collaboration in the near future. This volume is the first one of a Topical Issue on "Earth Sciences and Mathematics" and contains papers addressing different topics as deformation modelling applied to natural hazards, inverse gravimetric problem to determine 3D density structure, advanced differential SAR interferometry, climate change, geomagnetic field, Earthquake statistics, meteorological studies using satellite images, climate energy balance models, study of soils properties, and multifractal data sets.
Author: John R. Spreiter Publisher: ISBN: Category : Geomagnetism Languages : en Pages : 36
Book Description
The response of the magnetosphere boundary in a steady solar wind to small initial departures from equilibrium is investigated in accordance with the classical model of Chapman and Ferraro. If the wavelength and amplitude are sufficiently small that curvature and second-order effects can be disregarded, all perturbations, except those having wave fronts aligned with the direction of the local magnetic field, are found to damp exponentially with time and to drift along the boundary with the tangential component of the solar wind. Aligned waves, which neither damp nor amplify in this approximation, are examined further by inclusion of curvature and higher order effects. A first-order analysis shows that curvature introduces a destabilizing effect in small regions in the vicinity of the neutral points and a stabilizing effect elsewhere. Possible geophysical consequences, such as the persistent magnetic agitation of the polar regions, are discussed. An exact solution for an aligned cylindrical solitary wave having an initial form of a circular arc is also presented to illustrate a mode of response that appears to permit injection of elongated and widely separated columns of solar wind plasma into the magnetosphere under certain conditions and to provide a mechanism for momentum transfer from the solar wind to the ambient magnetosphere plasma.
Author: M. Mandea Publisher: Springer Science & Business Media ISBN: 9048198585 Category : Science Languages : en Pages : 351
Book Description
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.
Author: P. G. Forsyth Publisher: ISBN: Category : Geomagnetism Languages : en Pages : 20
Book Description
Tests of a newly designed operational system show that the earth's vector magnetic field can be measured from a sounding-rocket nose cone by (a) determining the attitude of a rocket nose cone by means of an electromagnetic attitude-sensor using antenna-array signal-strength patterns; (b) making vector magnetic measurements within the rocket nose cone by means of switched bias coils and a cesium vapor magnetometer; (c) encoding and telemetering the resulting information in a format compatible with the existing facilities; and (d) developing computational techniques for reducing the data obtained from the system. (Author).
Author: Masaru Kono Publisher: Elsevier ISBN: 0444535780 Category : Science Languages : en Pages : 605
Book Description
Treatise on Geophysics: Geomagnetism, Volume 5, provides an overview of the most important aspects of geomagnetism. The book begins by tracing the history of the study of geomagnetism. It then reviews global models of the Earth's magnetic field; the main sources of external magnetic field contributions; and the instruments and practices used to observe and measure the full range of features of the geomagnetic field. It discusses the origins of current knowledge of the secular variation of the Earth's magnetic field; crustal magnetism; geomagnetic excursions; the study of geophysical electromagnetic induction; the magnetization process; and the status of recent magnetic field data and their applications. The remaining chapters cover the geometry of the geomagnetic field and its temporal variability as recorded in volcanic and sedimentary rocks over the past few million years; the ocean crust as a recorder of geomagnetic field variations; and the theoretical basis for paleointensity experiments in igneous and sedimentary environments. The final chapter explains the concept of true polar wander (TPW), defined as shifts in the geographic location of Earth's daily rotation axis and/or by fluctuations in the spin rate (length of day anomalies). Self-contained volume starts with an overview of the subject then explores each topic with in depth detail Extensive reference lists and cross references with other volumes to facilitate further research Full-color figures and tables support the text and aid in understanding Content suited for both the expert and non-expert
Author: Thomas J. Casadevall Publisher: DIANE Publishing ISBN: 0788116509 Category : Aeronautics Languages : en Pages : 467
Book Description
This conference was prompted by the occurrence of 5 encounters between passenger jetliners with drifting clouds of volcanic ash from the 1989-90 eruptions of Redoubt Volcano in Alaska. Examines 5 principal areas, including: how volcanoes produce ash clouds, the damage and impacts resulting from ash-cloud encounters, communications procedures for mitigating the risks from volcanic ash, the meteorology and modeling of ash-cloud movement, and methods for detection and tracking of ash clouds. 60 technical presentations are included.
Author: Jean L. Rasson
Author: Jean L. Rasson
Author: Antonio G. Camacho
Author: John R. Spreiter
Author: M. Mandea
Author: P. G. Forsyth
Author: Masaru Kono
Author: Thomas J. Casadevall
Author: Hermann Poeverlein
Author: George J. Gassmann
Author: