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Author : Maurice Vincent Wilkes
Publisher : Unknown
Page : 96 pages
File Size : 42,5 Mb
Release : 1949
Category : Meteorology
ISBN : UCSD:31822000623223
Author : M V (Maurice Vincent) Wilkes
Publisher : Hassell Street Press
Page : 94 pages
File Size : 48,8 Mb
Release : 2021-09-09
Category : Electronic
ISBN : 1014416744
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author : Kshudiram Saha
Publisher : Springer Science & Business Media
Page : 374 pages
File Size : 48,7 Mb
Release : 2008-05-14
Category : Science
ISBN : 9783540784272
The author has sought to incorporate in the book some of the fundamental concepts and principles of the physics and dynamics of the atmosphere, a knowledge and understanding of which should help an average student of science to comprehend some of the great complexities of the earth-atmosphere system, in which a thr- way interaction between the atmosphere, the land and the ocean tends to maintain an overall mass and energy balance in the system through physical and dynamical processes. The book, divided into two parts and consisting of 19 chapters, introduces only those aspects of the subject that, according to the author, are deemed essential to meet the objective in view. The emphasis is more on clarity and understanding of physical and dynamical principles than on details of complex theories and ma- ematics. Attempt is made to treat each subject from ?rst principles and trace its development to present state, as far as possible. However, a knowledge of basic c- culus and differential equations is sine qua non especially for some of the chapters which appear later in the book.
Author : Mangalathayil Ali Abdu,Archana Bhattacharyya,Dora Pancheva
Publisher : Springer Science & Business Media
Page : 479 pages
File Size : 53,6 Mb
Release : 2011-02-26
Category : Science
ISBN : 9789400703261
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 : Richard A. Craig
Publisher : Unknown
Page : 60 pages
File Size : 40,6 Mb
Release : 1964
Category : Atmospheric tides
ISBN : UIUC:30112106675678
Author : D.O. Gough
Publisher : Springer Science & Business Media
Page : 480 pages
File Size : 44,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400970885
D. O. GOUGH Institute of Astronomy. Madingley Road. Cambridge. U. K. IAU Colloquium 66 on 'Problems of Solar and Stellar Oscillations' was held at the Crimean Astrophysical Observatory, U. S. S. R. , on 1-5 September, 1981. The principal purpose of the colloquium was to study the low-amplitude oscillations of the Sun and, to a lesser extent, to consider similar oscillations of other stars. Much of the emphasis of the discussions was on the diagnostic value of the oscilla tions. In the last few years we have become aware that the frequencies of the five-minute modes of high degree, which constitute the major component of the oscillations discovered twenty years ago by Evans and Michaud, can be used to put quite tight bounds on the stratification of the solar convection zone. These permit a calibration of solar models computed from so-called standard evolution theory. Modes of low degree penetrate beneath the convection zone to the core of the Sun, and can in principle test the evolution theory. Therefore there was considerable interest in the reports of the latest observations of such modes. Broadly speaking, those observations confirm the cali bration by the high-degree modes, but there remain some systematic discrepancies that demand some revision of the theory. Besides the gross aspects of evolution theory, there are also more intricate details to be understood.
Author : PLUMB
Publisher : Birkhäuser
Page : 465 pages
File Size : 55,5 Mb
Release : 2013-11-21
Category : Science
ISBN : 9783034858250
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 : Anonim
Publisher : Unknown
Page : 344 pages
File Size : 51,5 Mb
Release : 1891
Category : Atmosphere
ISBN : UCAL:$B24124
Author : S. P. Zimmerman
Publisher : Unknown
Page : 20 pages
File Size : 47,7 Mb
Release : 1967
Category : Atmosphere, Upper
ISBN : UOM:39015095128263
Studies of the altitude variations of upper atmospheric winds indicate oscillatory components of the horizontal wind motion in the vertical plane. The smaller scales of these oscillatory motions have been shown to be the lengths predicted by the theory of the viscous limited internal gravity waves. Measurements of the large scales in the 120 to 180 km altitude range have shown a marked correlation to the pressure scale height. Analysis of these large-scale vertical wavelengths indicates that the equivalent depth (h) of the atmosphere corresponds to two of the eigenmodes of earth's atmosphere or model atmosphere of the solar semidiurnal tide predicted by the Laplace tidal equation. These are, respectively, the (2, 4) mode which appears to dominate in the summer, and the (2, 6) mode which is dominant in the winter. (Author).
Author : V. I. Ferronsky,S.V. Ferronsky
Publisher : Springer Science & Business Media
Page : 267 pages
File Size : 46,6 Mb
Release : 2010-06-28
Category : Science
ISBN : 9789048187232
In their search for solutions to problems concerning the dynamics of the Earth as a self-gravitating body, the authors have applied the fundamentals found in their book “Jacobi Dynamics” (1987, Reidel). First, satellite observations have shown that the Earth does not remain in hydrostatic equilibrium, which forms the physical basis of modern geodynamics. Secondly, satellite data have established a relationship between the planet’s polar moment of inertia and the potential of the Earth’s outer force field, which proves the most basic point of Jacobi dynamics. This allowed the authors to revise their derivation of the classical virial theorem, introducing the concept of a volumetric force and volumetric moment, and so to obtain a generalized virial theorem in the form of Jacobi’s equation. The main dynamical effects are: the kinetic energy of oscillation of the interacting particles, which explains the physical meaning and nature of gravitational forces; separation of shells of a self-gravitating body with respect to its mass density; differences in angular velocities of the shell’s rotation; continuity in variance of the potential of the outer gravitational force field, together with reductions in the envelope of the interacting masses (volumetric center of gravity); the nature of Earth, Moon and satellite precession; the nature and generating mechanism of the planet’s electromagnetic field; the common nature of gravitational and electromagnetic energy, and other related issues. The work is a logical continuation of the book "Jacobi Dynamics" and is intended for researchers, teachers and students engaged in theoretical and experimental research in various branches of astronomy, geophysics, planetology and cosmogony, and for students of celestial, statistical, quantum and relativistic mechanics and hydrodynamics.
Author : V.I. Ferronsky,S.A. Denisik,S.V. Ferronsky
Publisher : Springer Science & Business Media
Page : 374 pages
File Size : 43,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400948006
This book sets forth and builds upon the fundamentals of the dynamics of natural systems in formulating the problem presented by Jacobi in his famous lecture series "Vorlesungen tiber Dynamik" (Jacobi, 1884). In the dynamics of systems described by models of discrete and continuous media, the many-body problem is usually solved in some approximation, or the behaviour of the medium is studied at each point of the space it occupies. Such an approach requires the system of equations of motion to be written in terms of space co-ordinates and velocities, in which case the requirements of an internal observer for a detailed description of the processes are satisfied. In the dynamics discussed here we study the time behaviour of the fundamental integral characteristics of the physical system, i. e. the Jacobi function (moment of inertia) and energy (potential, kinetic and total), which are functions of mass density distribution, and the structure of a system. This approach satisfies the requirements of an external observer. It is designed to solve the problem of global dynamics and the evolution of natural systems in which the motion of the system's individual elements written in space co-ordinates and velocities is of no interest. It is important to note that an integral approach is made to internal and external interactions of a system which results in radiation and absorption of energy. This effect constitutes the basic physical content of global dynamics and the evolution of natural systems.
Author : United States. National Bureau of Standards
Publisher : Unknown
Page : 1038 pages
File Size : 53,8 Mb
Release : 2024-07-04
Category : Weights and measures
ISBN : STANFORD:36105123901782
Author : United States. National Bureau of Standards
Publisher : Unknown
Page : 880 pages
File Size : 51,6 Mb
Release : 1955
Category : Weights and measures
ISBN : UCAL:B3792774
Author : Anonim
Publisher : Unknown
Page : 772 pages
File Size : 53,6 Mb
Release : 1994
Category : Aeronautics
ISBN : MINN:30000005901339
Author : Carl Eckart
Publisher : Elsevier
Page : 303 pages
File Size : 41,7 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9781483149561
Hydrodynamics of Oceans and Atmospheres is a systematic account of the hydrodynamics of oceans and atmospheres. Topics covered range from the thermodynamic functions of an ideal gas and the thermodynamic coefficients for water to steady motions, the isothermal atmosphere, the thermocline, and the thermosphere. Perturbation equations, field equations, residual equations, and a general theory of rays are also presented. This book is comprised of 17 chapters and begins with an introduction to the basic equations and their solutions, with the aim of illustrating the laws of dynamics. The nonlinear equations of thermodynamics and hydrodynamics are analyzed using the methods of perturbation theory, with emphasis on the zero-order solution; zero-order states of an ideal gas; the first-order equations; the additive barotropic terms; and boundary conditions. The following chapters focus on the steady component of atmospheric pressure; free steady motion with or without rotation; field equations and general theorems relating to such equations; and the stratification of the Earth's atmosphere, oceans, and lakes. The next two chapters present calculations concerning the isothermal atmosphere, with particular reference to plane level surfaces with or without rotation. The final chapter looks at spherical level surfaces with rotation. This monograph will be of interest to physicists, oceanographers, atmospheric scientists, and meteorologists.