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  • Springer  (21)
  • Boston, Mass. : American Meteorological Society  (1)
  • Madison : Inst. for Environmental Studies  (1)
  • 1
    Publication Date: 1982-07-01
    Print ISSN: 0006-8314
    Electronic ISSN: 1573-1472
    Topics: Geosciences , Physics
    Published by Springer
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  • 2
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    Boundary layer meteorology 23 (1982), S. 265-282 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Under the assumption of a geostrophic wind varying exponentially with height, profiles of four turbulence characteristics (Reynolds stress, eddy diffusivity, momentum mixing length, and energy dissipation rate) are evaluated for three cases of quasi-steady wind profile observations under near-neutral boundary layer conditions. These cases occurred during the Wangara Experiment organized by CSIRO at Hay, N.S.W., Australia, in 1967. It is shown that mean vertical motion and surface friction velocity significantly influence the evaluated profiles of the turbulence characteristics.
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  • 3
    Publication Date: 1964-06-01
    Print ISSN: 0177-7971
    Electronic ISSN: 1436-5065
    Topics: Geography , Physics
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  • 4
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    Meteorology and atmospheric physics 14 (1964), S. 218-232 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung Für die Intensität von radioaktivem Ausfall wird eine allgemeine Formel abgeleitet. Sie beruht auf der beobachteten zeitlichen Veränderung der bodennahen Konzentration radioaktiver Beta-Teilchen, die als Abfallprodukte der Kernwaffenversuche weltweite Verteilung erfuhren. Das theoretische Modell zur Berechnung von Trockenausfall erfordert gewisse Annahmen zur Berücksichtigung von 1. großräumigen Effekten der horizontalen Divergenz der Luftströmung und 2. kleinräumigen Turbulenzeinflüssen. Diese Effekte werden durch Parameter der horizontalen Luftdruckverteilung berücksichtigt, die auf dem Konzept des „geostrophischen Widerstandsbeiwertes” und der atmosphärischen Grenzschichttheorie beruhen. Das Modell ist durch zwei weitere Parameter vervollständigt, welche das troposphärische Profil der Beta-Aktivität repräsentieren. Beispiele von Trockenausfall in den Jahren 1962 und 1963 werden für drei Stationen des Beobachtungsnetzes des „United States Public Health Service” diskutiert. Es ergab sich, daß Trockenausfall pro Tag etwa 10% des Ausfalles durch Niederschlag (pro Regentag) für den gleichen Zeitabschnitt ausmacht. Ferner wird abgeschätzt, daß die Verweilzeit der radioaktiven Teilchen in der Troposphäre im Durchschnitt 65 Tage beträgt, wenn Trockenausfall der alleinige Reinigungsprozeß ist.
    Abstract: Résumé On développe ici une formule générale permettant le calcul de l'intensité des retombées radio-actives. Cette formule est fondée sur la variation de la concentration au voisinage du sol des particules radio-actives béta, disséminées dans l'atmosphère entière à la suite d'essais d'armes nucléaires. Le modèle théorique permettant de représenter la sédimentation en atmosphère sèche nécessite certaines suppositions afin de tenir compte d'une part des effets à grandes dimensions de la divergence horizontale des courants aériens et d'autre part des effets de la turbulence à petites dimensions. On tient compte de ces effets au moyen de paramètres de la répartition horizontale de la pression, paramètres basés sur le coefficient de la résistance géostrophique et sur la théorie des couches limites atmosphériques. Ce modèle est complété par deux paramètres supplémentaires qui représentent le profil troposphérique de l'activité béta. Comme exemple, on discute les quantités de retombées recueillies à trois stations du «United States Public Health Service» durant les années 1962 et 1963. Le résultat en est que la sédimentation à sec par jour représente environ le 10% des retombées entraînées par les précipitations durant la même période. On estime en outre que les particules se maintiennent en moyenne durant 65 jours dans la troposphère si la sédimentation se fait uniquement sans le concours de précipitations.
    Notes: Summary A general expression is derived for the intensity of dryfallout based on time variations of beta-activity in surface air, due to worldwide tropospheric distribution of debris from nuclear testings. Model assumptions are outlined for the consideration of large-scale effects of horizontal divergence of air flow, and small-scale effects of eddy diffusion. The parameterization is based on the concept of geostrophic drag coefficients and atmospheric boundary layer theory. The model is completed by a two-parameter representation of tropospheric profiles of beta activity. Case studies of dry-fallout in 1962 and 1963 at three stations of the United States Public Health Service (USPHS) network are discussed. Dry-fallout rates per day are found to be approximately 10% of average wet-fallout rates of the same period. The average residence time of debris in the troposphere is estimated to be about 65 days if dry-fallout would be the only cleansing process.
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  • 5
    Publication Date: 1954-06-01
    Print ISSN: 0177-7971
    Electronic ISSN: 1436-5065
    Topics: Geography , Physics
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  • 6
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    Meteorology and atmospheric physics 7 (1954), S. 133-157 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung Es werden die Einnahme- und Ausgabeposten beim terrestrischen Haushalt verschiedener Eigenschaften der Luft (Wasserdampf und Kohlensäure als Beispiele von Masseneigenschaften, ferner zonal-vektorieller und skalarer Impuls, Wärme und Entropie) untersucht. Die Diskussion wird durch graphische Darstellungen und Diagramme unterstützt, welche folgende Größen veranschaulichen: den globalen Strahlungs- und Wärmehaushalt, dynamische Energieformen und ihre Umwandlungen, Wasserkreislauf und Kohlensäurekreislauf, sowie Bilanzposten der Massen-, Impuls-, Wärme- und Entropiebilanz in Meridionalschnitten. Eine Vergleichung des Gehalts der Atmosphäre an verschiedenen Eigenschaften mit ihren Verlusten liefert ein fiktives Zeitintervall, in welchem die Reserven aufgebraucht würden, wenn kein Ersatz nachgeliefert würde; die Größenordnung dieses Zeitintervalles ergibt sich zu 100, 101 und 102 Tagen für Impuls, Wasserdampf und Wärme.
    Abstract: Résumé L'auteur étudie la production et la dépense dans le bilan terrestre des différentes propriétés de l'air (la vapeur d'eau et le dioxyde de carbone comme exemples de propriétés de masse, puis la quantité de mouvement zonale-vectorielle et scalaire, la chaleur et l'entropie). Des graphiques illustrent la discussion qui représentent les grandeurs suivantes: économie globale de la radiation et de la chaleur, formes dynamiques de l'énergie et leurs transformations, cycles hydrologique et du dioxyde de carbone, ainsi que les composantes du bilan des masses, de la quantité de mouvement, de la chaleur et de l'entropie en coupes méridionales. La comparaison du contenu des diverses propriétés dans l'atmosphère avec leurs pertes est fournie par un intervalle de temps fictif, pendant lequel les réserves seraient épuisées, au cas où leur renouvellement ferait défaut; l'ordre de grandeur de cet intervalle résulte à 100, 101 et 102 jours respectivement pour la quantité de mouvement, la vapeur d'eau et la chaleur.
    Notes: Abstract Production and expenditure rates in the terrestrial budget of various air properties (mass of precipitable water and carbon dioxide, zonal and root mean square momentum, heat, and entropy) are studied. The discussion is based on graphs and diagrams which illustrate the global radiation and heat budget, dynamical energy forms and conversions, hydrologic and carbon dioxide cycles, and meridional cross sections of mass, momentum, heat, and entropy budget terms. A comparison of atmospheric property holdings with expenditure rates results in a fictitious interval of time required to annull the holdings. For momentum, precipitable water, and heat this interval of time has the order of magnitude of 100, 101, and 102 days, respectively.
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  • 7
    Publication Date: 1983-05-01
    Print ISSN: 0006-8314
    Electronic ISSN: 1573-1472
    Topics: Geosciences , Physics
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  • 8
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    Boundary layer meteorology 26 (1983), S. 99-102 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
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  • 9
    Call number: AWI A5-97-0059 ; MOP 17854
    Type of Medium: Monograph available for loan
    Pages: IX, 1334 S.
    Edition: 2nd print.
    Language: English
    Note: Table of Contents: COMPOSITION OF THE ATMOSPHERE. - The Composition of Atmospheric Air / by E. Glueckauf. - RADIATION. - Solar Radiant Energy and Its Modification by the Earth and Its Atmosphere / by Sigmund Fritz. - Long-Wave Radiation / by Fritz Möller. - Actinometric Measurements / by Anders Ångström. - METEOROLOGICAL OPTICS - General Meteorological Optics / by Hans Neuberger. - Polarization of Skylight / by Zdeněk Sekera. - Visibility in Meteorology / by W. E. Knowles Middleton. - ATMOSPHERIC ELECTRICITY. - Universal Aspects of Atmospheric Electricity / by O. H. Gish. - Ions in the Atmosphere / by G. R. Wait and W. D. Parkinson. - Precipitation Electricity / by Ross Gunn. - The Lightning Discharge / by J. H. Hagenguth. - Instruments and Methods for the Measurement of Atmospheric Electricity / by H. Israël. - Radioactivity of the Atmosphere / by H. Israël. - CLOUD PHYSICS. - On the Physics of Clouds and Precipitation / by Henry G. Houghton. - Nuclei of Atmospheric Condensation / by Christian Junge. - The Physics of Ice Clouds and Mixed Clouds / by F. H. Ludlam. - Thermodynamics of Clouds / by Fritz Möller. - The Formation of Ice Crystals / by Ukichiro Nakaya. - Snow and Its Relationship to Experimental Meteorology / by Vincent J. Schaefer. - Relation of Artificial Cloud-Modification to the Production of Precipitation / by Richard D. Coons and Ross Gunn. - THE UPPER ATMOSPHERE. - General Aspects of Upper Atmospheric Physics / by S. K. Mitra. - Photochemical Processes in the Upper Atmosphere and Resultant Composition / by Sidney Chapman. - Ozone in the Atmosphere by F. W. Paul Götz. - Radiative Temperature Changes in the Ozone Layer / by Richard A. Craig. - Temperatures and Pressures in the Upper Atmosphere / by Homer E. Newell, Jr. - Water Vapour in the Upper Air / by G. M. B. Dobson and A. W. Brewer. - Diffusion in the Upper Atmosphere / by Heinz Lettau. - The Ionosphere / by S. L. Seaton. - Night-Sky Radiations from the Upper Atmosphere / by E. O. Hulburt. - Aurorae and Magnetic Storms / by L. Harang. - Meteors as Probes of the Upper Atmosphere / by Fred L. Whipple. - Sound Propagation in the Atmosphere / by B. Gutenberg. - COSMICAL METEOROLOGY. - Solar Energy Variations As a Possible Cause of Anomalous Weather Changes / by Richard A. Craig and H. C. Willett. - The Atmospheres of the Other Planets / by S. L. Hess and H. A. Panofsky. - DYNAMICS OF THE ATMOSPHERE. - The Perturbation Equations in Meteorology / by B. Haurwitz. - The Solution of Nonlinear Meteorological Problems by the Method of Characteristics / by John C. Freeman. - Hydrodynamic Instability / by Jacques M. Van Mieghem. - Stability Properties of Large-Scale Atmospheric Disturbances / by R. Fjørtoft. - The Quantitative Theory of Cyclone Development / by E. T. Eady. - Dynamic Forecasting by Numerical Process / by J. G. Charney. - Energy Equations / by James E. Miller. - Atmospheric Turbulence and Diffusion / by O. G. Sutton. - Atmospheric Tides and Oscillations / by Sydney Chapman. - Application of the Thermodynamics of Open Systems to Meteorology / by Jacques M. Van Mieghem. - THE GENERAL CIRCULATION. - The Physical Basis for the General Circulation / by Victor P. Starr. - Observational Studies of General Circulation Patterns / by Jerome Namias and Philip F. Clapp. - Applications of Energy Principles to the General Circulation / by Victor P. Starr. - MECHANICS OF PRESSURE SYSTEMS. - Extratropical Cyclones / by J. Bjerknes. - The Aerology of Extratropical Disturbances / by E. Palmén. - Anticyclones / by H. Wexler. - Mechanism of Pressure Change / by James M. Austin. - Large-Scale Vertical Velocity and Divergence / by H. A. Panofsky. - The Instability Line / by J. R. Fulks. - LOCAL CIRCULATIONS. - Local Winds / by Friedrich Defant. - Tornadoes and Related Phenomena / by Edward M. Brooks. - Thunderstorms / by Horace R. Byers. - Cumulus Convection and Entrainment / by James M. Austin. - OBSERVATIONS AND ANALYSIS. - World Weather Network / by Athelstan F. Spilhaus. - Models and Techniques of Synoptic Representation / by John C. Bellamy. - Meteorological Analysis in the Middle Latitudes / by V. J. Oliver and M. B. Oliver. - WEATHER FORECASTING. - The Forecast Problem / by H. C. Willett. - Short-Range Weather Forecasting / by Gordon E. Dunn. - A Procedure of Short-Range Weather Forecasting / by Robert C. Bundgaard. - Objective Weather Forecasting / by R. A. Allen and E. M. Vernon. - General Aspects of Extended-Range Forecasting / by Jerome Namias. - Extended-Range Weather Forecasting / by Franz Baur. - Extended-Range Forecasting by Weather Types / by Robert D. Elliott. - Verification of Weather Forecasts / by Glenn W. Brier and Roger A. Allen. - Application of Statistical Methods to Weather Forecasting / by George P. Wadsworth. - TROPICAL METEOROLOGY. - Tropical Meteorology / by C. E. Palmer. - Equatorial Meteorology / by A. Grimes. - Tropical Cyclones / by Gordon E. Dunn. - Aerology of Tropical Storms / by Herbert Riehl. - POLAR METEOROLOGY. - Antarctic Atmospheric Circulation / by Arnold Court. - Arctic Meteorology / by Herbert G. Dorsey, Jr. - Some Climatological Problems of the Arctic and Sub-Arctic / by F. Kenneth Hare. - CLIMATOLOGY. - Climate - The Synthesis of Weather / by C. S. Durst. - Applied Climatology / by Helmut E. Landsberg and Woodrow C. Jacobs. - Microclimatology / by Rudolf Geiger. - Geological and Historical Aspects of Climatic Change / by C. E. P. Brooks. - Climatic Implications of Glacier Research / by Richard Foster Flint. - Tree-Ring Indices of Rainfall, Temperature, and River Flow / by Edmund Schulman. - HYDROMETEOROLOGY. - Hydrometeorology in the United States / by Robert D. Fletcher. - The Hydrologic Cycle and Its Relation to Meteorology - River Forecasting / by Ray K. Linsley. - MARINE METEOROLOGY. - Large-Scale Aspects of Energy Transformation over the Oceans / by Woodrow C. Jacobs. - Evaporation from the Oceans / by H. U. Sverdrup. - Forecasting Ocean Waves / by W. H. Munk and R. S. Arthur. - Ocean Waves as a Meteorological Tool / by W. H. Munk. - BIOLOGICAL AND CHEMICAL METEOROLOGY. - Aerobiology / by Woodrow C. Jacobs. - Physical Aspects of Human Bioclimatology / by Konrad J. K. Buettner. - Some Problems of Atmospheric Chemistry / by H. Cauer. - ATMOSPHERIC POLLUTION. - Atmospheric Pollution / by E. Wendell Hewson. - CLOUDS, FOG, AND AIRCRAFT ICING. - The Classification of Cloud Forms / by Wallace E. Howell. - The Use of Clouds in Forecasting / by Charles F. Brooks. - Fog / by Joseph J. George. - Physical and Operational Aspects of Aircraft Icing / by Lewis A. Rodert. - Meteorological Aspects of Aircraft Icing / by William Lewis. - METEOROLOGICAL INSTRUMENTS. - Instruments and Techniques for Meteorological Measurements / by Michael Ference, Jr. - Aircraft Meteorological Instruments / by Alan C. Bemis. - LABORATORY INVESTIGATIONS. - Experimental Analogies to Atmospheric Motions / by Dave Fultz. - Model Techniques in Meteorological Research / by Hunter Rouse. - Experimental Cloud Formation / by Sir David Brunt. - RADIOMETEOROLOGY. - Radar Storm Observation / by Myron G. H. Ligda. - Theory and Observation of Radar Storm Detection / by Raymond Wexler. - Meteorological Aspects of Propagation Problems / by H. G. Booker. - Sferics / by R. C. Wanta. - MICROSEISMS. - Observations and Theory of Microseisms / by B. Gutenberg. - Practical Application of Microseisms to Forecasting / by James B. Macelwane, S. J. CORRIGENDA. - INDEX.
    Location: AWI Reading room
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  • 10
    Series available for loan
    Series available for loan
    Madison : Inst. for Environmental Studies
    Call number: MOP 44777 / Mitte
    Type of Medium: Series available for loan
    Pages: 264 S. , Ill.
    Series Statement: IES report 101
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  • 11
    Publication Date: 2021-03-29
    Description: It has been repeatedly assumed that Heinz Lettau found the Obukhov length in 1949 independently of Obukhov in 1946. However, it was not the characteristic length scale, the Obukhov length L, but the ratio of height and the Obukhov length (z/L), the Obukhov stability parameter, that he analyzed. Whether Lettau described the parameter z/L independently of Obukhov is investigated herein. Regardless of speculation about this, the significant contributions made by Lettau in the application of z/L merit this term being called the Obukhov–Lettau stability parameter in the future.
    Print ISSN: 0006-8314
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    Topics: Geosciences , Physics
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  • 12
    Publication Date: 1951-01-01
    Print ISSN: 0033-4553
    Electronic ISSN: 1420-9136
    Topics: Geosciences , Physics
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  • 13
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    Pure and applied geophysics 19 (1951), S. 1-18 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The analysis of surface temperature variations of the moon is based on the equations of heat conduction and heat continuity in the interior of the moon andStefan's law. During a well-defined process, as exemplified by a lunar eclipse, the local heat budget equation establishes a boundary condition at the moon surface which must be satisfied by solutions of the thermal diffusion equation in the interior. Three simplified models of the general case are discussed. They are characterized by special assumptions regarding the depth and time dependency of the thermic qualities of the material underlying the moon's surface. In short, the thermal diffusivity is assumed to be constant in the first model, a linear depth function in the second and a time function in the third. A unique solution can be obtained for model No. I such that the absolute surface temperature is approximately inversely proportional to the 6th root of time during the phase of total eclipse.Epstein's conclusion that the average surface of the moon might consist of highly porous rocks or fine dust is confirmed by the order of magnitude of the heat conductivity which produces the best fit between the theoretical curves and a plot ofPettit's observational data during the lunar eclipse of 1939. Existing differences between the observed and theoretical curves during the totality phase of the eclipse can be reduced by the employment of the second model. A crude estimate shows that the average dust cover resting on more solid ground of lunar rocks might possibly have a thickness of approximately 0.5 meters.
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  • 14
    Publication Date: 1974-03-01
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    Topics: Geosciences , Physics
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  • 15
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    Boundary layer meteorology 6 (1974), S. 13-33 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Conventional theory predicts that in the layer of frictional influence, the semi-diurnal forcing by pressure-gradient oscillations should produce responses in air motion which show reduced amplitude and phase-leading, in comparison with frictionless conditions in the free troposphere. Wind-profile data obtained by anemometers on a floating mast during the ‘1965-Atlantic Meteor Expedition’ at an anchor station in the SE-trade-wind regime near the equator showed that the amplitude of the west component at the 4-m level practically equalled the fr ictionless value, while other measurements gave evidence of frictional effects, such as phase-leading, and vertical shear from 1 to 10 m. The observed wind response is explained by dynamic coupling as a consequence of forcing by the horizontal pressure gradient oscillation and resulting semi-diurnal variation of surface stress and therefore of eddy diffusivity.
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  • 16
    Publication Date: 1990-03-01
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  • 17
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    Boundary layer meteorology 50 (1990), S. 1-9 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The official report on this first comprehensive field experiment in boundary-layer meteorology was published 1957 in two volumes, edited by Lettau and Davidson (hereafter L&D). The official report is supplemented in this paper by relevant pre-history developments and a discussion of some selected post-history interpretations and follow-up experiments.
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  • 18
    Publication Date: 1970-03-01
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  • 19
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    Boundary layer meteorology 1 (1970), S. 64-79 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The term ‘variangular’ is introduced to emphasize a significant difference between the present and certain earlier solutions to the problem of organized airmotion within the planetary boundary layer. The latter belong to the family of equiangular wind spirals and have the characteristic that the angle (ψ) formed by the vectors of shearing stress and geostrophic departure is invariant with height; it is shown that in this spiral-family, parabolic height-dependency of the effective (eddy) diffusivity (K) alone is permitted, including the asymptotic case of constant K; the famous Ekman spiral as well as the Rossby spiral are two prominent members of the family of equiangular wind spirals. The new variangular theory, as the name implies, permits variation of ψ with height (z) and produces more versatile profiles of wind and stress due to less restraint in K (z). As an example of comparison with observed data, monthly mean wind profiles obtained at Plateau Station, Antarctica, are selected since they exhibit a noteworthy degree of ‘variangularity’, in relatively satisfactory agreement with properties of the new theoretical model for wind spirals.
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  • 20
    Publication Date: 1994-01-01
    Print ISSN: 0177-798X
    Electronic ISSN: 1434-4483
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  • 21
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    Theoretical and applied climatology 48 (1994), S. 215-226 
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Köppen's definition of the climates of tropical savanna and forest is validated for Amazonia. A new validation is also found for the rainfall regimes which delimit tropical-subtropical vegetation zones of rainforest, monsoon forest, savanna and desert in India, as originally conceived by Walter. The climatologic definition of Köppen is reconciled with the climatographic definition of the ecologist Walter. The ratio-nalization is based on numerical climatonomic evaluation of the minimum in the annual course of EVAPORABLE WATER within tropical-subtropical rainfall regimes.
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  • 22
    Publication Date: 1979-12-01
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    Topics: Geosciences , Physics
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  • 23
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    Boundary layer meteorology 17 (1979), S. 443-464 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The micrometeorological research program in Antarctica has provided extensive data on wind and temperature profile structure under strong to extreme inversion conditions (Dalrymple et al., 1966; Lettau et al., 1977). The basic similarity hypotheses and limiting conditions for prediction of diabatic surface layer profiles are summarized. The model by Businger et al. (1971) for dimensionless shear and temperature gradients is revised to conform with the new results for strong stability. A novel similarity hypothesis is introduced to complete the step from shear and gradient prediction to prediction of absolute wind speed, wind energy, and temperature on the basis of prescribed external factors of surface layer structure. The physics of interactions between predicted profile ‘tilting’ and ‘curving’ are discussed and used to explain several micrometeorological paradoxes, including that of the ‘elevated minimum of air temperature’ observed occasionally near the active surface when the energy budget is of the nocturnal type.
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