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  • 1
    Monograph available for loan
    Monograph available for loan
    Berlin [u.a.] : Springer
    Call number: AWI A6-12-0045
    Description / Table of Contents: Contents: - PART I FUNDAMENTAL LAWS. - 1 Preliminaries. - 2 Conservation laws for moving fluids. - PART II COMMON APPROXIMATIONS. - 3 Approximations derived from mode filtering. - 4 Approximations relating to density changes and geometric conditions. - 5 Geostrophic and quasi-geostrophic motions. - PART III OCEAN WAVES. - 6 Sound waves. - 7 Gravity waves. - 8 Long waves. - 9 Lagrangian theory of ocean waves. - 10 Forced waves. - PART IV OCEANIC TURBULENCE AND EDDIES. - 11 Small-scale turbulence. - 12 Geostrophic turbulence. - PART V ASPECTS OF OCEAN CIRCULATION THEORY. - 13 Forcing of the Ocean. - 14 The wind-driven circulation. - 15 The meridional overturning of the oceans. - 16 The circulation of the Southern Ocean. - PART VI APPENDIX. - A Mathematical basics. - B Models of the ocean circulation.
    Description / Table of Contents: Ocean Dynamics is a concise introduction to the fundamentals of fluid mechanics, non-equilibrium thermodynamics and the common approximations for geophysical fluid dynamics and presents a comprehensive approach to large-scale ocean circulation theory. Each of the five parts of the book - fundamental laws, common approximations, ocean waves, oceanic turbulence and eddies, and selected aspects of ocean circulation theory - starts with elementary considerations, blending then classical topics with more advanced developments of fluid mechanics and theoretical oceanography for the respective field.
    Type of Medium: Monograph available for loan
    Pages: xxiii, 704 S. : Ill., graph. Darst., Kt.
    Edition: 1. Aufl.
    ISBN: 9783642234491
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Bonn : Bundesministerium für Forschung und Technologie
    Call number: MOP B 19915 ; AWI A1-90-0302
    Type of Medium: Monograph available for loan
    Pages: 52 Seiten , Illustrationen
    ISBN: 3881352228
    Language: German
    Note: Inhaltsverzeichnis Vorwort Einleitung Die Erde als globales System Die Bausubstanz Einleitung Die Atmosphäre Die Hydrosphäre Die Kryosphäre Die Geosphäre Die Biosphäre Kreisläufe Einleitung Der Wasserkreislauf Bio-geochemische Kreisläufe Natürliche Veränderungen Einleitung Maßgebliche Veränderungen in unterschiedlichen Zeitskalen Die Folgen der zivilisatorischen Entwicklung Signale einer gestörten Natur Einleitung Die veränderte Umwelt Das Problem der wachsenden Weltbevölkerung Die Weit von Morgen Einleitung Klimamodelle und ihre Grenzen Leben in einem Treibhaus Forschung auf der Suche nach Spuren und Lösungen Die Herausforderung an die Wissenschaft Einleitung Leitlinien für ein Programm zur Erforschung globaler Veränderungen Wissenschaft und Politik greifen die Herausforderung auf: Internationale und nationale Forschungsprogramme Einleitung Internationale Ansätze Beiträge zur Global Change Thematik im Rahmen nationaler Projekte der Bundesrepublik Deutschland Quellenverzeichnis: Abbildungen
    Location: MOP - must be ordered
    Location: AWI Reading room
    Branch Library: GFZ Library
    Branch Library: AWI Library
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  • 3
    Series available for loan
    Series available for loan
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Associated volumes
    Call number: ZSP-189-40
    In: Berichte aus dem Fachgebiet Physik
    Type of Medium: Series available for loan
    Pages: 43 S. ; 30 cm
    Series Statement: Berichte aus dem Fachgebiet Physik / Alfred-Wegener-Institut für Polar- und Meeresforschung 40
    Branch Library: AWI Library
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  • 4
    Series available for loan
    Series available for loan
    Bremerhaven : Alfred-Wegener-Institut
    Associated volumes
    Call number: ZSP-189-39
    In: Berichte aus dem Fachgebiet Physik
    Type of Medium: Series available for loan
    Pages: 41 S. : Abb. ; 30 cm
    Series Statement: Berichte aus dem Fachgebiet Physik / Alfred-Wegener-Institut für Polar- und Meeresforschung 39
    Branch Library: AWI Library
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  • 5
    Series available for loan
    Series available for loan
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Associated volumes
    Call number: ZSP-189-97
    In: Berichte aus dem Fachgebiet Physik
    Type of Medium: Series available for loan
    Pages: 63 S. : 30 cm
    Series Statement: Berichte aus dem Fachgebiet Physik / Alfred-Wegener-Institut für Polar- und Meeresforschung 97
    Branch Library: AWI Library
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  • 6
    Monograph available for loan
    Monograph available for loan
    Bonn : Federal Ministery for Research and Technology
    Call number: AWI A1-19-92588
    Type of Medium: Monograph available for loan
    Pages: 51 Seiten , Illustrationen
    ISBN: 3881352376
    Language: English
    Note: Contents Preface Introduction The Earth as a global system Basic building blocks Introduction The atmosphere The hydrosphere The cryosphere The geosphere The biosphere Global cycles Introduction The water cycle Bio-geochemical cycles Natural changes Introduction Crucial changes on characteristic time scales The development of civilization and its consequences for the Earth system Signals from a disturbed environment Introduction The changed environment Problems caused by a growing world population The world of tomorrow Introduction Climate models and their limits Living in a greenhouse searching for traces and solutions The sciences being challenged Introduction Guidelines for a program of research into global changes Science and politics take up the challenge: International and national research programs Introduction International efforts Global Change research in Germany Acronyms and Abbreviations Bibliography: Illustrations
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 26 (1974), S. 95-105 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The equations of motion of all relevant parameters of Alfvén waves propagating from the sun outwardly into the expanding interplanetary medium are discussed for the case of a quiet, ideal, isotropic, one-fluid solar wind plasma. It is found that the frequency of the wave reamains constant, while the wave vector and the amplitudes depend, in general, on the evolution of the background medium and on the angle between the wave vector and the interplanetary magnetic field. This latter dependence cancels approximately for the evolution of the amplitudes in the case of a pure, overall spiral magnetic field. It is shown that in this case the results of earlier discussions can be derived by less decisive restrictions.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 20 (1973), S. 373-389 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The main results of Whitham's averaged Lagrangian method for the treatment of linear wave-trains in a weakly inhomogeneous, moving medium are presented briefly. This method is then applied to an ideal, isotropic, one-fluid plasma which can be taken for the lowest order approximation for the interplanetary solar wind expansion.
    Type of Medium: Electronic Resource
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  • 9
    Publication Date: 2013-04-28
    Print ISSN: 0941-2948
    Electronic ISSN: 1610-1227
    Topics: Geography , Physics
    Published by Schweizerbart
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  • 10
    Publication Date: 2016-07-25
    Description: Two surface waves can interact to produce an internal gravity wave by nonlinear resonant coupling. The process has been called spontaneous creation (SC) because it operates without internal waves being initially present. Previous studies have shown that the generated internal waves have high frequency close to the local Brunt–Väisälä frequency and wavelengths that are much larger than those of the participating surface waves, and that the spectral transfer rate of energy to the internal wave field is small compared to other generation processes. The aim of the present analysis is to provide a global map of the energy transfer into the internal wave field by surface–internal wave interaction, which is found to be about 10−3 TW in total, based on a realistic wind-sea spectrum (depending on wind speed), mixed layer depths, and stratification below the mixed layer taken from a state-of-the-art numerical ocean model. Unlike previous calculations of the spectral transfer rate based on a vertical mode decomposition, the authors use an analytical framework that directly derives the energy flux of generated internal waves radiating downward from the mixed layer base. Since the radiated waves are of high frequency, they are trapped and dissipated in the upper ocean. The radiative flux thus feeds only a small portion of the water column, unlike in cases of wind-driven near-inertial waves that spread over the entire ocean depth before dissipating. The authors also give an estimate of the interior dissipation and implied vertical diffusivities due to this process. In an extended appendix, they review the modal description of the SC interaction process, completed by the corresponding counterpart, the modulation interaction process (MI), where a preexisting internal wave is modulated by a surface wave and interacts with another one. MI establishes a damping of the internal wave field, thus acting against SC. The authors show that SC overcomes MI for wind speeds exceeding about 10 m s−1.
    Print ISSN: 0022-3670
    Electronic ISSN: 1520-0485
    Topics: Geosciences , Physics
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