ALBERT

Note: Contents: Preface. - 1 Overview. - 1.1 Introduction. - 1.2 Definitions of atmospheric scales. - 1.3 Energy generation and scale interactions. - 1.4 Predictability. - References. - 2 Governing equations for mesoscale motions. - 2.1 Introduction. - 2.2 Derivation of the governing equations. - 2.3 Approximations to the governing equations. - References. - Problems. - 3 Basic wave dynamics. - 3.1 Introduction. - 3.2 Basic wave properties. - 3.3 Soundwaves. - 3.4 Shallow water waves. - 3.5 Pure gravity waves. - 3.6 Inertia-gravity waves. - 3.7 Wave reflection levels. - 3.8 Critical levels. - Appendix 3.1. - References. - Problems. - 4 Mesoscale wave generation and maintenance. - 4.1 Introduction. - 4.2 Wave generation mechanisms. - 4.2.1 Density impulses and moist convection. - 4.2.2 Mesoscale instabilities. - 4.2.3 Geostrophic adjustment. - 4.2.4 Nonlinear interactions. - 4.3 Wave maintenance mechanisms. - 4.3.1 Linear wave ducting mechanism. - 4.3.2 Solitary wave mechanism. - 4.3.3 Wave-CISK mechanism. - 4.4 Energy propagation and momentum flux. - References. - Problems. - 5 Orographically forced flows. - 5.1 Flows over two-dimensional sinusoidal mountains. - 5.2 Flows over two-dimensional isolated mountains. - 5.2.1 Uniform basic flow. - 5.2.2 Basic flow with variable Scorer parameter. - 5.2.3 Trapped lee waves. - 5.3 Nonlinear flows over two-dimensional mountains. - 5.3.1 Nonlinear flow regimes. - 5.3.2 Generation of severe downslope winds. - 5.4 Flows over three-dimensional mountains. - 5.4.1 Linear theory. - 5.4.2 Generation of lee vortices. - 5.5 Flows over larger mesoscale mountains. - 5.5.1 Rotational effects. - 5.5.2 Lee cyclogenesis. - 5.5.3 Orographic influence on cyclone track. - 5.6 Other orographic effects. - 5.6.1 Effects on frontal passage. - 5.6.2 Coastally trapped disturbances. - 5.6.3 Cold-air damming. - 5.6.4 Gap flow. - Appendix 5.1. - References. - Problems. - 6 Thermally forced flows. - 6.1 Two-dimensional flows. - 6.1.1 Steady flows over a sinusoidal heat source. - 6.1.2 Steady flows over an isolated heat source. - 6.2 Transient flows. - 6.2.1 Flow responses to pulse heating. - 6.2.2 Flow responses to steady heating. - 6.3 Applications to mesoscale circulations. - 6.3.1 Density current formation and propagation. - 6.3.2 Heat island circulations. - 6.3.3 Moist convection. - 6.3.4 Gravity wave generation and propagation. - 6.4 Effects of shear, three dimensionality, and rotation. - 6.4.1 Two-dimensional shear flows. - 6.4.2 Three-dimensional nonrotating flows. - 6.4.3 Three-dimensional rotating flows. - 6.5 Dynamics of sea and land breezes. - 6.5.1 Linear theories. - 6.5.2 Nonlinear numerical studies. - 6.6 Dynamics of mountain-plains solenoidal circulations. - Appendix 6.1. - References. - Problems. - 7 Mesoscale instabilities. - 7.1 Wave energy transfer through instabilities. - 7.2 Integral theorems of stratified flow. - 7.2.1 Governing equations. - 7.2.2 Miles' theorem. - 7.2.3 Howard's semicircle theorem. - 7.3 Static, conditional, and potential instabilities. - 7.3.1 Static instability. - 7.3.2 Conditional instability. - 7.3.3 Potential instability. - 7.4 Kelvin-Helmholtz instability. - 7.5 Inertial instability. - 7.6 Symmetric instability. - 7.6.1 Dry symmetric instability. - 7.6.2 Moist symmetric instability. - 7.7 Baroclinic instability. - References. - Problems. - 8 Isolated convective storms. - 8.1 Dynamics of single-cell storms and downbursts. - 8.2 Dynamics of multicell storms. - 8.3 Effects of shear and buoyancy. - 8.3.1 Effects of shear on cold outflow. - 8.3.2 Effects of buoyancy. - 8.4 Dynamics of supercell storms. - 8.4.1 General characteristics. - 8.4.2 Effects of unidirectional shear. - 8.4.3 Storm splitting. - 8.4.4 Storm rotation and propagation. - 8.4.5 Effects of directional shear. - 8.5 Tornado dynamics. - 8.5.1 Supercell tornadogenesis. - 8.5.2 Nonsupercell tornadogenesis. - 8.5.3 Tornado vortex dynamics. - References. - Problems. - 9 Mesoscale convective systems. - 9.1 Squall lines and rainbands. - 9.1.1 Squall line classifications. - 9.1.2 Formation mechanisms. - 9.1.3 Maintenance mechanisms. - 9.1.4 Squall line movement. - 9.1.5 Rainbands. - 9.2 Mesoscale convective complexes. - 9.2.1 General characteristics. - 9.2.2 Formation and development mechanisms. - 9.3 Tropical cyclones. - 9.3.1 General characteristics. - 9.3.2 Tropical cyclogenesis. - 9.3.3 Intensity and mesoscale structure. - 9.3.4 Tropical cyclone movement. - References. - Problems. - 10 Dynamics of fronts and jet streaks. - 10.1 Kinematics of frontogenesis. - 10.2 Dynamics of two-dimensional frontogenesis. - 10.2.1 Geostrophic momentum approximation. - 10.2.2 Frontogenesis and cross-frontal circulations. - 10.3 Frontogenesis and baroclinic waves. - 10.4 Moist and frictional effects on frontogenesis. - 10.5 Other types of fronts. - 10.5.1 Upper-level frontogenesis. - 10.5.2 Drylines. - 10.6 Jet streak dynamics. - 10.6.1 Upper-level jet streaks. - 10.6.2 Low-level jets. - References. - Problems. - 11 Dynamics of orographic precipitation. - 11.1 Orographic influence on climatological distribution of precipitation. - 11.2 Orographic modification of preexisting disturbances. - 11.2.1 Passage of troughs. - 11.2.2 Passage of midlatitude cyclones and fronts. - 11.2.3 Passage of tropical cyclones. - 11.2.4 Common ingredients of orographic precipitation. - 11.3 Formation and enhancement mechanisms. - 11.3.1 Stable ascent mechanism. - 11.3.2 Release of moist instabilities. - 11.3.3 Effects of mountain geometry. - 11.3.4 Combined thermal and orographic forcing. - 11.3.5 Seeder-feeder mechanism. - 11.3.6 Dynamical-microphysical interaction mechanism. - 11.4 Control parameters and moist flow regimes. - 11.4.1 Control parameters. - 11.4.2 Moist flow regimes. - References. - 12 Basic numerical methods. - 12.1 Introduction. - 12.2 Finite difference approximations of derivatives. - 12.3 Finite difference approximations of the advection equation. - 12.3.1 Two-time-level schemes. - 12.3.2 Three-time-level schemes. - 12.4 Implicit schemes. - 12.5 Semi-Lagrangian methods. - Appendix 12.1. - References. - Problems. - Modeling projects. - 13 Numerical modeling of geophysical fluid systems. - 13.1 Grid systems and vertical coordinates. - 13.1.1 Grid systems. - 13.1.2 Vertical coordinates. - 13.2 Boundary conditions. - 13.2.1 Lateral boundary conditions. - 13.2.2 Upper boundary conditions. - 13.2.3 Lower boundary conditions. - 13.3 Initial conditions and data assimilation. - 13.4 Nonlinear aliasing and instability. - 13.5 Modeling a stratified fluid system. - 13.6 Predictability and ensemble forecasting. - References. - Problems. - Modeling project. - 14 Parameterizations of physical processes. - 14.1 Reynolds averaging. - 14.2 Parameterization of planetary boundary layer processes. - 14.2.1 Parameterization of the surface layer. - 14.2.2 Parameterization of the PBL. - 14.3 Parameterization of moist processes. - 14.3.1 Parameterization of microphysical processes. - 14.3.2 Cumulus parameterization. - 14.4 Parameterizations of radiative transfer processes. - 14.4.1 Introduction. - 14.4.2 Longwave radiation. - 14.4.3 Shortwave radiation. - References. - Problems. - Appendices. - A. List of symbols. - B. Nomenclature. - Index.

Note: Inhaltsverzeichnis = Contents: Foreword. - Summaries. - Zwei Jahrzehnte Forschungsarbeiten der Geowissenschaftler der DDR auf Expeditionen = Two decades of expeditionary research work of geoscientists of the GDR / H. PESCHEL. - Methodische Aspekte der geologischen Erkundung des Subglazials am Beispiel des Hays-Gletschers = Methodological aspects of the geological investigation of the subglacial demonstrated by example of the Hays Glacier / H. DIETRICH. - Geodätisch-glaziologische Arbeiten in der Ostantarktis (1962 -1978) = Geodetic-glaciological activities carried out in East Antarctica between 1962 and 1978 / S. MEIER. - Geodätisch-glaziologische Wiederholungsmessungen am Hays-Gletscher 1977/78 = Geodetic-glaciological repetition measurements at the Hays Glacier /R. HOYER. - Gravimetrische Messungen und Erdgezeitenuntersuchungen in Antarktika = Gravimetric measurements and studies of earth tides in Antarctica / Cl. ELSTNER ; M. M. SCHNEIDER; H. WIRTH. - Vertikale Erdkrustenbewegungen und Potentialänderungen bei wechselnden Eis-Auflasten = Vertical earth crustal movements and variations in gravity potential related to changing ice load / R. DIETRICH. - Geodätisch-astronomische Arbeiten während der 8. und 17. SAE = Geodetic-astronomical activities during the 8th and 17th SAE / J. LIEBERT. - Zur Geologie der Gebirge in der Umrandung des Filchner-Eisschelfes = Geology of the mountain ranges surrounding the Filchner shelf ice / H. J. PAECH; J. HOFMANN; A. FRISCHBUTTER. - Tektonische Untersuchungen in der Gebirgsumrandung des Lambert-Gletschers, Ostantarktis = Tectonic investigations in the mountain ranges surrounding the Lambert Glacier, East Antarctica / J. HOFMANN. - Meteorologische Prozesse in der antarktischen Atmosphäre = Meteorological processes in the antarctic atmosphere / A. HELBIG. - Wettersatellitenbeobachtungen im Südpolargebiet = Weather satellite Observations in the south-polar region / H. GERNANDT. - Untersuchungen zur terrestrischen Refraktion und der thermischen Struktur der eisnahen Luftschicht in der Kilstenzone des Enderby-Landes/Antarktis (Kurzfassung) = Investigations of the terrestrial refraction and thermal structure of the near-ice air layer in the coastal zone of Enderby Land, Antarctica / G. DITTRICH; A. HELBIG. - Ergebnisse ionosphärischer Beobachtungen in hohen südlichen Breiten als Beitrag zur globalen Untersuchung der Hochatmosphäre = Results of ionospheric observations in high southern latitudes as a contribution to global investigations of the upper atmosphere / H. GERNANDT. - Forschungen mit Umweltnukliden in der Antarktis = Research with environmental nuclides in Antarctica / K. FRÖHLICH; H. SCHÜTZE. - Bioklimatisch-physiologische Untersuchungen einer DDR-Gruppe während der 20. Sowjetischen Antarktisexpedition = Bioklimatic-physiological investigations of a group of GDR-participants during the 20th Soviet Antarctic expedition / L. KLINKER; W. SPANGENBERG. - Untersuchungen zur biologischen Langzeitrhytmik unter besonderer Berücksichtigung cirkaseptaner Variationen = Investigations of the biological long-term rhythmic with particular emphasis on 7-day variations / M. TÖPFER. - Körperliche Belastung und Sauerstoffverbrauch - Untersuchungsergebnisse von der 20. Sowjetischen Antarktisexpedition = Physical stress and Oxygen consumption - results of investigations during the 20th SAE / G. SCHRADER; L. KLINKER. - Umweltuntersuchungen während der 20. Sowjetischen Antarktisexpedition zum Vorkommen von resistenten Clostridienstämmen im Boden und zur Verbreitung von DDT in der Fauna der Antarktis = Environmental investigations during the 20th Soviet Antarctic Expedition (SAE) relating to occurence in the soil of resistent phylla of clostridia and to the distribution of DDT in the antarctic fauna / G. SCHRADER. - Ergebnisse und Anwendungsmöglichkeiten der geoelektromagnetischen und technischen Untersuchungen auf Spitzbergen = Results and possibilities for application of geo-electromagnetic and technical investigations at Spitsbergen / V. AUSTER; K. LENGNING. - Tritium- und 14C-Untersuchungen im Rahmen der Antarktisforschung der DDR = Tritium and 14C investigations in the framewerk of GDR research activities in Antarctica /D. HEBERT; K. FRÖHLICH; M. M. SCHNEIDER. - Autorenverzeichnis. , Zusammenfassungen in englischer Sprache

Note: Inhalt: I. Zoologische Untersuchungen im Gebiet der sowjetischen Antarktisstation "Bellinghausen" / R. BANNASCH und K. ODENING. - II. Deuterium- und 18O-Variationen in Seen der Schirmacher-Oase (Ostantarktika) / W. RICHTER und G. STRAUCH. - III. Stable isotope investigations in Antarctica / H. SCHÜTZE, G. STRAUCH, K. WETZEL. - IV. The influence of degradation processes on the isotopic composition of Antarctic precipitation / R. DER. - V. Sommerliche Eisvariationen in der Olaf-Prydz-Bucht / H. GERNANDT. - VI. Zur Geologie des nördlichen Teils des Neptune Range / Pensacola-Gebirges (Antarktika) / W. WEBER und L. V. FEDOROV. - VII. Beobachtungen am Krill (Euphausia superba DANA) im atlantischen Sektor der Antarktis in der Sommersaison 1978 und 1979 / S. HOLZLÖHNER. - VIII. Forschungsreise eines Zubringertrawlers in die Antarktis / G. GUBSCH und U. HOFFMANN.

Note: CONTENTS: Foreword. - Introduction. - SESSION I - ATMOSPHERIC GENERAL CIRCULATION MODELS AND CLIMATE SIMULATIONS. - Large-scale climate modelling and small-scale physical processes / J. Smagorinsky. - Simulation of climate by general circulation models with hydrologic cycles / S. Manabe. - Current parameterizations of land-surface processes in atmospheric general circulation models / D. J. Carson. - The sensitivity of numerically simulated climates to land surface conditions / Y. Mintz. - SESSION II - THE MICROPHYSICAL PROCESSES OF MOMENTUM, HEAT AND WATER TRANSFERS ACROSS AND NEAR THE SURFACE OF THE LAND. - Vertical flux of moisture and heat at a bare soil surface / W. H. Brutsaert. - The vertical fluxes of heat and moisture at a vegetated land surface / L. J. Fritschen. - Vertical flux of heat and moisture in snow and ice / M. Kuhn. - SESSION III - MESOSCALE PARAMETERIZATIONS OF THE TRANSFER PROCESSES. - Parameterization of hydrologic processes / J. C. I. Dooge. - Dynamic hydro-thermal balances at macroscale / P. S. Eagleson. - SESSION IV - LAND SURFACE GLOBAL DATA SETS. - Use of regional and global soils data for climate modelling/ M. J. Gardiner. - Land surface processes: Vegetation / A. Perrier. - Data on snow cover and glaciers for the global climatic models / V. M. Kotliakov and A. N. Krenke. - The shortwave albedo and the surface emissivity / K. Ya. Kondratyev, V. I. Korzov, V. V. Mukhenberg and L. N. Dyachenko. - Water balance / A. Baumgartner. - SESSION V - ACQUISITION OF LAND SURFACE DATA. - Possibilities for remote sensing of surface characteristics / K. I. Itten.