Large-scale Dynamics of the Upper Mesosphere and Lower Thermosphere PDF Download
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Author: Trevor Harris
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author: Trevor Harris
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author: R. M. Johnson
Publisher: American Geophysical Union
ISBN: 0875900445
Category : Science
Languages : en
Pages : 354
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Book Description
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 87. This volume provides a review of progress made in recent years in experimental and theoretical investigation of the upper mesosphere and lower thermosphere and coupling between these regions and the ionosphere. Detailed study of the mesosphere/lower thermosphere/ionosphere (MLTI) region has historically been difficult because of its relative inaccessibility to direct measurement techniques and the complex and highly coupled processes which occur there. Although we have still not successfully unraveled all these complex interactions, we have made significant recent progress toward a fuller understanding of the basic state of the MLTI and of the dominant wave and coupling processes. This monograph includes a set of tutorial papers, which review our current understanding of aspects of the MLTI. These tutorials are interspersed with a selection of papers describing research progress on various topics of current interest in this region. The book should therefore be useful both to the newcomer, as an introduction to this field of research, and to the more experienced researcher, providing an overview of research in progress as well as a convenient reference collection of papers describing our current understanding.
Author: PLUMB
Publisher: Birkhäuser
ISBN: 3034858256
Category : Science
Languages : en
Pages : 465
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Book Description
PAGEOPH, stratosphere, these differences provide us with new evidence, interpretation of which can materially help to advance our understanding of stratospheric dynamics in general. It is now weil established that smaller-scale motions-in particular gravity waves and turbulence-are of fundamental importance in the general circulation of the mesosphere; they seem to be similarly, if less spectacularly, significant in the troposphere, and probably also in the stratosphere. Our understanding of these motions, their effects on the mean circulation and their mutual interactions is progressing rapidly, as is weil illustrated by the papers in this issue; there are reports of observational studies, especially with new instruments such as the Japanese MV radar, reviews of the state of theory, a laboratory study and an analysis of gravity waves and their effects in the high resolution "SKYHI" general circulation model. There are good reasons to suspect that gravity waves may be of crucial significance in making the stratospheric circulation the way it is (modeling experience being one suggestive piece of evidence for this). Direct observational proof has thus far been prevented by the difficulty of making observations of such scales of motion in this region; in one study reported here, falling sphere observations are used to obtain information on the structure and intensity of waves in the upper stratosphere.
Author: J. M. Forbes
Publisher:
ISBN:
Category :
Languages : en
Pages : 137
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 564
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Book Description
Author: James Holton
Publisher: Springer
ISBN: 1935704311
Category : Science
Languages : en
Pages : 221
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Book Description
Interest in the meteorology of the stratosphere and mesophere has been simulated in the past few years by concerns over possible depletion of the ozone layer as a result of reactions involving pollutants introduced by human activities. Concurrently there has been an upsurge in research on various aspects of the meteorology of the stratosphere. This monograph provides an account of the fundamental dynamical processes which control the general circulation of the stratosphere and mesophere and are thus responsible for the transport of trace substances in that region of the atmosphere. Principles necessary for understanding the dynamics of large-scale motions in the stratosphere and mesosphere are systematically developed so that this monograph should prove useful not only as a reference work for research scientists, but as a textbook for courses in dynamic meteorology of the upper atmosphere.
Author: Julius London
Publisher:
ISBN:
Category : Atmospheric thermodynamics
Languages : en
Pages : 52
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Book Description
Author: László Oláh
Publisher: John Wiley & Sons
ISBN: 111972306X
Category : Science
Languages : en
Pages : 688
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Book Description
A technique for visualizing Earth's subsurface at high resolution Hidden out of sight in Earth’s subsurface are a range of geophysical structures, processes, and material movements. Muography is a passive and non-destructive remote sensing technique that visualizes the internal structure of solid geological structures at high resolution, similar in process to X-ray radiography of human bodies. Muography: Exploring Earth's Subsurface with Elementary Particles explores the application of this imaging technique in the geosciences and how it can complement conventional geophysical observations. Volume highlights include: Principles of muography and pioneering works in the field Different approaches for muographic image processing Observing volcanic structures and activity with muography Using muography for geophysical exploration and mining engineering Potential environmental applications of muography Latest technological developments in muography The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Author: Mangalathayil Ali Abdu
Publisher: Springer Science & Business Media
ISBN: 9400703260
Category : Science
Languages : en
Pages : 479
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Book Description
This book is a multi-author treatise on the most outstanding research problems in the field of the aeronomy of the Earth’s atmosphere and ionosphere, encompassing the science covered by Division II of the International Association of Geomagnetism and Aeronomy (IAGA). It contains several review articles and detailed papers by leading scientists in the field. The book is organized in five parts: 1) Mesosphere-Lower Thermosphere Dynamics and Chemistry; 2) Vertical Coupling by Upward Propagating Waves; 3) Ionospheric Electrodynamics and Structuring; 4) Thermosphere- Ionosphere Coupling, Dynamics and Trends and 5) Ionosphere-Thermosphere Disturbances and Modeling. The book consolidates the progress achieved in the field in recent years and it serves as a useful reference for graduate students as well as experienced researchers.
Author: G. Hernandez
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
The instrumentation at the Poker Flat (Alaska) field site has been made operational in teleautonomous mode. This application of telescience principles has allowed long-wire operation of the multiple-beam spectrometer at the field site, and makes it possible to efficiently obtain further observations of the dynamics and thermodynamics of the upper thermosphere. These observations have been used to show the lowest latitude at which the y-component of the IMF(Interplanetary Magnetic Field) distorts the classical two-cell convection cell in the upper thermosphere. The first simultaneous measurements of the dynamics and thermodynamics of the polar mesosphere show large fluctuations in the wind field and seem to be associated with temperature fluctuations. At this time, we were able to monitor a mesospheric event, characterized by a large decrease of the emission rate of the emissions from this region. A double-etalon modulator (DEM) has been theoretically developed and its properties have been experimentally confirmed. The DEM is a compensated device with nearly 100 times the luminosity of presently available spectrometers. Keywords: Telemeter systems, Atmospheric physics, Atmospheric motion, Optical preprocessing, Near infrared radiation, Hydroxyl radicals. (edc).
