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  • 1
    Monograph available for loan
    Monograph available for loan
    New York : American Institute of Physics
    Call number: M 99.0571 ; M 98.0040 ; PIK N 455-02-0368 ; AWI A3-92-0463
    Type of Medium: Monograph available for loan
    Pages: xxxix, 520 Seiten , Illustrationen
    ISBN: 0883187124
    Classification:
    Meteorology and Climatology
    Language: English
    Note: Contents: Foreword. - Preface. - Acknowledgements. - List of symbols and definitions. - 1. Introduction. - 2. Nature of the problem. - 3. Basic equations for the atmosphere and oceans. - 4. Various decompositions of the circulation. - 5. The data. - 6. Radiation balance. - 7. Observed mean state of the atmosphere. - 8. Observed mean state of the oceans. - 9. Observed mean state of the cryosphere. - 10. Exchange processes between the earth's surface and the atmosphere. - 11. Angular momentum cycle. - 12. Water Cycle. - 13. Energetics. - 14. The ocean-atmosphere heat engine. - 15. Entropy in the climate system. - 16 Interannual and interdecadal variability in the climate system. - 17. Mathematical simulation of climate. - Appendix A: Analysis in terms of Fourier components. - Appendix B: Analysis in terms of empirical orthogonal functions (EOF's). - References. - Name index. - Subject index.
    Location: Upper compact magazine
    Location: Upper compact magazine
    Location: A 18 - must be ordered
    Location: AWI Reading room
    Branch Library: GFZ Library
    Branch Library: GFZ Library
    Branch Library: PIK Library
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Rockville, Md. : U.S. Department of Commerce
    Associated volumes
    Call number: MOP 41350 / Mitte
    In: NOAA Professional paper
    Type of Medium: Monograph available for loan
    Pages: XIV, 323 S. : graph. Darst., Kt.
    Series Statement: NOAA Professional paper 5
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 115 (1977), S. 1167-1186 
    ISSN: 1420-9136
    Keywords: Monsoon ; Effect on angular momentum, effect on kinetic energy ; Tropical general circulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The balance conditions of relative angular momentum and time-mean kinetic energy and their annual variations are studied for the Northern Hemisphere tropical belt. The belt is divided into two roughly equal size parts, the monsoon and the extramonsoon regions. The data used consist of all available daily rawinsonde reports from the world areological network for the two 5-year periods 1958–63 and 1968–73. In winter, the trade winds in the monsoon and extramonsoon regions are both sources of westerly relative angular momentum for the middle latitude circulation. However, it is found that the angular momentum gained in the extramonsoon region of the Tropics is mostly destroyed by a net southward flow of mass in that region, and becomes regenerated in the monsoon region by a net northward flow of mass there. This excess of angular momentum together with the angular momentum picked up locally in the monsoon region is almost all exported across its northern boundary. It is further found that in winter the Tropics are also an important source of mean kinetic energy for middle latitudes. Again almost all export of kinetic energy was found to take place across the northern boundary of the monsoon sector. Most of this energy must be generated through the pressure gradient term inside the monsoon region itself, the transformation from transient eddy kinetic energy being very small. The proper evaluation of the pressure gradient appears to be the main stumbling block in the present study, preventing us from estimating the generation and thereby, as a residual, the frictional dissipation in the two regions. In summer, the extramonsoon region remains a source of angular momentum, but the monsoon region with its surface westerlies acts as a sink, leading to a sharp reduction (and even a midsummer reversal) of the export into middle latitudes. Also the export of mean kinetic energy almost vanishes in summer, except for a small southward transfer across the equator. The calculations for two 5-year periods give very similar estimates and thereby show the reliability of the results.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Meteorology and atmospheric physics 14 (1964), S. 131-148 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung In dieser Untersuchung ist für die 100-, 50- und 30 mb-Niveaus die horizontale Komponente der meridionalen Zirkulation in der Stratosphäre im internationalen geophysikalischen Jahr (Juli 1957 bis Juni 1958) berechnet worden. Es werden dabei Radiosonden-Daten von etwa 240 Stationen, die über die nördliche Hemisphäre gut verteilt sind, für die Analyse der Nord-Süd-Windkomponente verwendet. Für jeden fünften Breitengrad vom Äquator bis 80°N werden Werte der durchschnittlichen Meridionalkomponente der Zirkulation für die vier Jahreszeiten mitgeteilt. Im Jahresdurchschnitt zeigt sich im 100 mb-Niveau eine Verteilung der Meridionalkomponente, die anscheinend einem aus drei Zellen bestehenden Zirkulationssystem entspricht, wobei nördlich von 55°N eine starke polwärts gerichtete Bewegung, zwischen 15° und 55°N eine Strömung gegen den Äquator und zwischen 0° und 15°N wieder eine schwache polwärts gerichtete Strömung besteht. In den Jahresdurchschnittswerten aus den Niveaus der 50- und 30 mb-Flächen sind polwärts gerichtete Strömungskomponenten nur in hohen geographischen Breiten festzustellen, die mit zunehmender Höhe an Stärke abnehmen. Im Niveau von 30 mb herrscht eine zum Äquator hin gerichtete Meridionalkomponente der Strömung vor. Ein Maximalwert der durchschnittlichen meridionalen Zirkulation von +60 cm sec−1 wurde in der 100 mb-Höhenlage bei 70°N festgestellt.
    Abstract: Résumé Dans cette étude, la composante horizontale de la circulation méridionale dans la stratosphère aux niveaux de 100, 50 et 30mb est calculée pour la période de Juillet 1957au Juin 1958 pour l'Année Géophysique Internationale. Les données de radiosondage d'environ 240 stations bien réparties sur l'hémisphère du nord sont employées dans l'analyse de la composante nord-sud du vent. Les valeurs de la circulation moyenne méridionale des quatre saisons sont présententées pour tous les 5° de latitude de l'équateur jusqu'à 80°N. En moyenne d'un an, on peut apparemment observer, à 100mb, une distribution en trois cellules consistant d'une région de mouvement fort vers le pôle au nord de 55°N, d'un mouvement vers l'équateur de 15° à 55°N et d'un mouvement faible vers le pôle de 0° à 15° N. A 50 et 30 mb en moyenne d'un an des mouvements vers le pôle apparaissent seulement dans les hautes altitudes et ils diminuent en force suivant la hauteur. Dans le niveau de 30 mb, c'est un mouvement vers l'équateur qui domine. Use valeur maxima de la circulation méridionale moyenne de +60 cm·sec−1 a été constatée à 100 mb à 70°N.
    Notes: Summary In this study the horizontal component of the meridional circulation at the 100, 50 and 30 mb levels in the stratosphere is computed for the IGY period July 1957 through June 1958. Radiosonde data from approximately 240 stations, well distributed over the northern hemisphere, are used in the analysis of the north-south component of the wind. Values of the mean meridional circulation for the four seasons are presented at every 5° latitude from the equator to 80°N. In the annual average at 100 mb an “apparent” three cell pattern is obseered, consisting of a region of strong poleward motion north of 55°N, equatorward motion from 15° to 55°N and weak poleward motion from 0° to 15°N. In the annual averages at 50 and 30 mb poleward motions appear only at high latitudes and diminsih in strength with height. Equatorward motions dominate at 30 mb. A maximum value of the mean meridional circulation of +60 cm sec−1 is found at 100 mb at 70°N.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Meteorology and atmospheric physics 14 (1965), S. 243-278 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung Dreimonatige Durchschnitts-Statistiken zeigen, daß während des Jahres großräumige Wirbel in den Schichten zwischen ungefähr 200 und 30 mb Wärme und Bewegungsgröße gegen den Gradienten der Temperatur beziehungsweise der Winkelrotation transportieren. Ferner, wurde festgestellt, daß in diesen Schichten warme Luftmassen die Neigung haben abzusinken und kalte Luftmassen aufzusteigen und daß auf diese Art kinetische Energie in potentielle Energie umgewandelt wird. Die Wirbel-Zirkulation hat daher in sich keine Energiequelle und muß durch die Zirkulationssysteme in den anliegenden Schichten, vermutlich in der Troposphäre, angetrieben werden. Es wird ein Vergleich zwischen dem Transport von Drehimpuls und Wärme von wandernden Wirbeln in der unteren Troposphäre, der oberen Troposphäre und der unteren Stratosphäre angestellt. Schließlich wird die für das Zustandekommen der erzwungenen Bewegungen erforderliche Neigung der Trajektorien diskutiert.
    Abstract: Résumé En se basant sur des statistiques tri-mensuelles on montre que tout au long de l'année, dans la couche entre 200 et 30 mb environ, les perturbations à grande échelle transportent à la fois chaleur et quantité de mouvement contre le gradient de la température et de la rotation angulaire. En outre, on a trouvé que dans cette couche les masses d'air chaud ont la tendance à descendre et les masses d'air froid ont la tendance à monter, en transformant de cette manière l'énergie cinétique en énergie potentielle. Par conséquent, les circulations perturbées n'ont pas disponible de source d'énergie et doivent être, forcées par des systèmes de circulation dans des couches adjacentes, probablement dans la troposphère. On compare le transport du moment cinétique et de la chaleur par des perturbations transitoires dans la basse troposphère, la haute troposphère et la basse stratosphère. Einfin on discute la pente des trajectoires des parcelles d'air forcées.
    Notes: Summary Three-monthly mean statistics, show that throughout the year in the layer between about 200 and 30 mb large-scale eddies transport both heat and momentum against the north-south gradient of, respectively, the temperature and the angular rotation. Furthermore, it is found that in this layer, warm air masses tend to sink and cold air masses tend to rise, thereby converting kinetic into potential energy. The eddy circulations have, therefore, no source of energyin situ and must be forced by the circulation systems in the adjacent layers, probably in the troposphere. A comparison is drawn between the transport of angular momentum and heat by transient eddies in the lower troposphere, the upper troposphere and the lower stratosphere. Finally, the necessary sloping of the trajectories of the forced air parcels is discussed.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 242 (1973), S. 310-313 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Between May 1958 and April 1963 the mean temperature of the atmosphere in the northern hemisphere fell by about 0.60° C. The data which lead to this conclusion are presented in this ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 541-542 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Comparison of the yearly-mean temperature deviations computed by ] Dronia4 and by ourselves Temperature deviation from 6-yr normal for lower Percentage of Temperature deviatior i from 5-vr normal for mass halt oi atmosphere (Dronia) latitude between surface and about 18 ...
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0894
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Based on data from the Comprehensive Ocean-Atmosphere Data Set (COADS), objective analyses of the monthly mean sea surface temperature (SST) were prepared at GFDL for each month of the 110-year period 1870–1979. Time series of various indices characterizing the SST anomalies averaged over the eastern equatorial Pacific (EEP), the tropical oceans and the world ocean are presented for monthly, yearly and decadal time-averaging periods. Global correlations maps are given for each decade of the 1870–1979 period. They show the spatial connections between the monthly SST anomalies in the EEP and in other parts of the world ocean and how these connections vary for the different decades. On the intermonthly time scale the SST anomalies in the EEP and those in the tropical and world oceans are found to be highly correlated, with maximum correlations values of 0.91 at zero lag for the tropical oceans during the 1950–1959 decade and 0.81 for the world ocean during the 1970–1979 decade. Positive correlation values of r⩾0.36 persist on average from about 4 months before to about 8 months after the EEP anomalies occur. There is a clear tendency for the tropical and world ocean anomalies to lag behind the EEP anomalies. Comparing different oceans, we find the tendency for the tropical SST anomalies in the Indian and Atlantic Oceans to lag behind those in the EEP region by about 1 and 3 months, respectively. On the interannual time scale the EEP anomalies are also well correlated with those in the other regions, having an average correlation of 0.84 for the tropical oceans and of about 0.7 for the world ocean.
    Type of Medium: Electronic Resource
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  • 9
    Publication Date: 1992-08-01
    Print ISSN: 0031-9228
    Electronic ISSN: 1945-0699
    Topics: Physics
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  • 10
    Publication Date: 1970-09-01
    Print ISSN: 0036-8733
    Electronic ISSN: 1946-7087
    Topics: Biology , Natural Sciences in General , Physics
    Published by Springer Nature
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