ALBERT

Anmerkung: CONTENTS Preface / A. Berger, R. E. Dickinson and John W. Kidson I WORLD CLIMATE RESEARCH PROGRAMME 1. The World Climate Research Programme / Gordon A. McBean II. PALEOCLIMATES AND ICE 2. Long-Term Climatic and Environmental Records from Antarctic Ice / C. Lorius, J-M Barnola, M. Legrand, J. R. Petit, D. Raynaud, C. Ritz, N. Barkov, Y. S. Korotkevich, V. N. Petrov, C. Genthon, J. Jouzel, V. M. Kotlyakov, F. Yiou, and G. Raisbeck 3. The Role of Land Ice and Snow in Climate / Michael H. Kuhn III. VOLCANOES AND CLIMATE 4. Petrologic Evidence of Volatile Emissions From Major Historic and Pre-Historic Volcanic Eruptions / Julie M. Palais and Haraldur Sigurdsson IV. BIOGEOCHEMICAL CYCLES, LAND HYDROLOGY, LAND SURFACE PROCESSES AND CLIMATE 5. Uptake by the Atlantic Ocean of Excess Atmospheric Carbon Dioxide and Radiocarbon / Bert Bolin, Anders Björkström and Berrien Moore 6. African Drought: Characteristics, Causal Theories and Global Teleconnections / Sharon E. Nicholson 7. Sensitivity of Climate Model to Hydrology / Duzheng Ye 8. Stability of Tree/Grass Vegetation Systems / Peter S. Eagleson V. TROPICAL OCEAN AND GLOBAL ATMOSPHERE 9. Toga and Atmospheric Processes / Kevin Trenberth 10. Toga Real Time Oceanography in the Pacific / David Halpern VI. MODELLING CLIMATE, PAST, PRESENT AND FUTURE 11. Aeronomy and Paleoclimate / J.-C. Gérard 12. Studies of Cretaceous Climate / Eric J. Barron 13. Simulations of the Last Glacial Maximum with an Atmospheric General Circulation Model Including Paleoclimatic Tracer Cycles / Sylvie Joussaume, Jean Jouzel and Robert Sadourny 14. Progress and Future Developments in Modelling the Climate System with General Circulation Models / P. R. Rowntree 15. Quantitative Analysis of Feedbacks in Climate Model Simulations / Michael E. Schlesinger

Anmerkung: Contents: Preface. - Acknowledgements. - Chapter 1 Introduction. - 1.1 The Static Structure of the Middle Atmosphere. - 1.2 Zonal Mean Temperature and Wind Distributions. - 1.3 Composition of the Middle Atmosphere. - 1.4 The Vertical Distribution of Eddy Amplitudes. - 1.5 Observational Techniques. - References. - Chapter 2 Radiative Processes and Remote Sounding. - 2.1 Introduction. - 2.2 Fundamentals. - 2.3 Gaseous Absorption Spectra. - 2.4 Transmission Functions. - 2.5 Infrared Radiative Exchange and Radiative Damping. - 2.6 Departure from Local Thermodynamic Equilibrium. - 2.7 Absorption of Solar Radiation. - 2.8 Radiative Equilibrium Temperature and Heating-Rate Distributions. - 2.9 Remote Sounding. - References. - Chapter 3 Basic Dynamics. - 3.1 Introduction. - 3.2 The Beta-Plane Approximation and Quasi-Geostrophic Theory. - 3.3 The Eulerian-Mean Equations. - 3.4 Linearized Disturbances to Zonal-Mean Flows. - 3.5 The Transformed Eulerian-Mean Equations. - 3.6 The Generalized Eliassen-Palm Theorem and the Charney-Drazin Nonacceleration Theorem. - 3.7 The Lagrangian Approach. - 3.8 Isentropic Coordinates. - 3.9 The Zonal-Mean Equations in Isentropic Coordinates. - Appendix 3A. Derivation of Some Equations in Isentropic Coordinates. - Appendix 3B. Boundary Conditions on the Residual Circulation. - References. - Chapter 4 Linear Wave Theory. - 4.1 Introduction and Classification of Wave Types. - 4.2 Wave Disturbances to a Resting Spherical Atmosphere. - 4.3 Atmospheric Thermal Tides. - 4.4 Free Traveling Planetary Waves. - 4.5 Forced Planetary Waves. - 4.6 Gravity Waves. - 4.7 Equatorial Waves. - Appendix 4A. Ray-Tracing Theory and Wave Action in a Slowly Varying Medium. - References. - Chapter 5 Extratropical Planetary-Scale Circulations. - 5.1 Introduction. - 5.2 The Observed Annual Cycle. - 5.3 Detailed Linear Models of Stationary Planetary Waves in the Middle Atmosphere. - 5.4 Detailed Linear Models of Free Traveling Planetary Waves in the Atmosphere. - 5.5 Barotropic and Baroclinic Instability. - 5.6 Planetary-Wave Critical Layers. - References. - Chapter 6 Stratospheric Sudden Warmings. - 6.1 Introduction. - 6.2 Observed Features of Sudden Warmings. - 6.3 Theoretical Modeling of Sudden Warmings. - 6.4 Conclusions. - References. - Chapter 7 The Extratropical Zonal-Mean Circulation. - 7.1 Introduction. - 7.2 Some Simple Zonally Averaged Models of the Middle Atmosphere. - 7.3 The Upper Mesosphere. - 7.4 The Winter Polar Stratosphere. - 7. 5 Interpretation and Generalization. - References. - Chapter 8 Equatorial Circulations. - 8.1 Introduction. - 8.2 The Observed Structure of the Equatorial Quasi-Biennial Oscillation. - 8.3 Theory of the Quasi-Biennial Oscillation. - 8.4 Observed Structure of the Equatorial Semiannual Oscillations. - 8.5 Dynamics of the Equatorial Semiannual Oscillations. - 8.6 Inertial Instability in the Equatorial Zone. - References. - Chapter 9 Tracer Transport in the Middle Atmosphere. - 9.1 Introduction: Types of Tracers. - 9.2 Long-Lived Chemical Tracers. - 9.3 Transport in the Meridional Plane. - 9.4 Formulations of Eddy and Mean-Flow Transport. - 9.5 Dispersive Wave Transport: Irreversible Mixing of Tracers. - 9.6 Troposphere-Stratosphere Exchange. - 9.7 Transport Modeling. - Appendix 9A. The Transformed Eulerian-Mean Transport for Small-Arnplitude Eddies. - References. - Chapter 10 The Ozone Layer. - 10.1 Introduction. - 10.2 The Climatology of Ozone. - 10.3 Elementary Aspects of Photochemical Modeling. - 10.4 Photochemistry of Ozone: Catalytic Cycles. - 10.5 Models of the Natural and Perturbed Ozone Layer. - Appendix 10A. The Continuity Equation for Chemical Species. - References. - Chapter 11 General Circulation Modeling. - 11.1 Models of the Lower Stratosphere. - 11.2 The GFDL SKYHI Model. - 11.3 Forecasting of Sudden Stratospheric Warmings. - 11.4 Transport Modeling. - References. - Chapter 12 Interaction between the Middle Atmosphere and the Lower Atmosphere. - 12.1 Introduction. - 12.2 Radiative Links: Deductions from Simple Models. - 12.3 Radiative Links: Deductions from GCMs. - 12.4 Dynamical Links: Vertically Propagating Planetary Waves. - 12.5 Interannual Variability in the Stratosphere. - References. - Bibliography. - Index.

Anmerkung: TABLE OF CONTENTS: ACKNOWLEDGEMENTS. - PREFACE. - INTRODUCTION. - SYMBOLS AND NOTATION. - PART I. FUNDAMENTAL PHYSICS AND MATERIALS TECHNOLOGY OF ICE. - 1.General Concepts. - 1. Introduction. - 2. Equations of Balance. - 3. Material Response. - (a) General constitutive relations, simple materials. - (b) The rule of material objectivity. - (c) Material symmetry. - (d) Constitutive response for isotropie bodies. - (e) Materials with bounded memory-some constitutive representations. - (f) Incompressibility. - (g) Some representations of isotropic functions. - 4. The Entropy Principle. - (a) The viscous heat-conducting compressible fluid. - (b) The viscous heat-conducting incompressible fluid. - (c) Pressure and extra stress as independent variables. - (d) Thermoelastic solid. - (e) Final remarks. - 5. Phase Changes. - (a) Phase changes for a viscous compressible heat-conducting fluid. - (b) Phase changes for a viscous incompressible heat-conducting fluid. - References. - 2. A Brief Summary of Constitutive Relations for Ice. - 1. Preliminary Remarks. - 2. The Mechanical Properties of Hexagonal Ice. - (a) The crystal structure of ordinary ice. - (b) The elastic behavior of hexagonal ice. - (c) The inelastic behavior of single-crystal ice. - 3. The Mechanical Properties of Polycrystalline Ice. - (a) The elastic behavior of polycrystalline ice. - (b) Linear viscoelastic properties of polycrystalline ice. - (α) General theory. - (β) Experimental results. - (c) Non-linear viscous deformation and creep. - (α) Results of creep tests. - (β) Generalization to a three-dimensional flow law. - (γ) Other flow laws. - 4. The Mechanical Properties of Sea Ice. - (a) The phase diagram of standard sea ice and its brine conten. - (b) Elastic properties. - (c) Other material properties. - References. - PART II. THE DEFORMATION OF AN ICE MASS UNDER ITS OWN WEIGHT. - 3. A Mathematical Ice-flow Model and its Application to Parallel-sided Ice Slabs. - 1. Motivation and Physical Description. - 2. The Basic Model - Its Field Equations and Boundary Conditions. - (a) The field equations. - (α) Cold ice region. - (β) Temperate ice region. - (b) Boundary conditions. - (α) At the free surface. - (β) Along the ice-water interface. - (γ) Along the bedrock surface. - (δ) Along the melting surface. - 3. The Response of a Parallel-sided Ice Slab to Steady Conditions. - (a) Dimensionless forms of the field equations. - (b) Parallel-sided ice slab, a first approximation to glacier and ice-shelf flow dynamics. - (α) Velocity and temperature fields x-independent. - (β) Extending and compressing flow. - (γ) Floating ice shelves 4. Concluding Remark. - References. - 4. Thermo-mechanical Response of Nearly Parallel-sided Ice Slabs Sliding over their Bed. - 1. Motivation. - 2. The Basic Boundary-value Problem and its Reduction to Linear Form. - 3. The Solution of the Boundary-value Problems. - (a) Zeroth-order problem. - (b) First-order problem. - (α) Harmonic perturbation from uniform flow for a zero accumulation rate. - (β) Analytic solution for a Newtonian fluid. - (γ) Numerical solution for non-linear rheology. - (δ) Effect of a steady accumulation rate. - (ε) A historical note on a previous approach. - (η) The first-order temperature problem. - (c) Numerical results for steady state. - (α) Transfer of bottom protuberances to the surface. - (β) Basal stresses. - (γ) Surface velocities. - (δ) Effect of a steady accumulation rate. - 4. Remarks on Response to a Time-dependent Accumulation Rate. - 5. Surface-wave Stability Analysis. - (a) The eigenvalue problem. - (b) Discussion of results. - 6. Final Remarks. - References. - 5. The Application of the Shallow-ice Approximation. - 1. Background and Previous Work. - 2. Derivation of the Basal Shear-stress Formula by Integrating the Momentum Equations over Ice Thickness. - (a) Derivation. - (b) The use of the basal shear-stress formula in applied glaciology. - 3. Solution of the Ice-flow Problem using the Shallow-ice Approximation. - (a) Governing equations. - (b) Shallow-ice approximation. - (c) Construction of the perturbation solution. - (d) Results. - (e) Temperature field. - 4. Theoretical Steady-state Profiles. - (a) Earlier theories and their limitations. - (b) Surface profiles determined by using the shallow-ice approximation. - 5. An Alternative Scaling - a Proper Analysis of Dynamics of Ice Sheets with Ice Divides. - (a) Finite-bed inclination. - (b) Small-bed inclination. - (c) Illustrations. - References. - 6. The Response of a Glacier or an Ice Sheet to Seasonal and Climatic Changes. - 1. Statement of the Problem. - 2. Development of the Kinematic Wave Theory. - (a) Full non-linear theory. - (b) Perturbation expansion-linear theory. - (c) An estimate for the coefficients C and D. - (d) Boundary and initial conditions. - 3. Theoretical Solutions for a Model Glacier. - (a) Solutions neglecting diffusion. - (b) Theoretical solutions for a diffusive model. - (α) Coefficient functions for the special model. - (β) Solution for a step function. - (γ) General solution for uniform accumulation rate. - (δ) The inverse problem - calculation of climate from variations of the snout. - 4. General Treatment for an Arbitrary Valley Glacier. - (a) Fourier analysis in time. - (α) Low-frequency response. - (β) High-frequency response. - (γ) Use of the results. - (b) Direct integration methods. - 5. Derivation of the Surface-wave Equation from First Principles Non-linear Theory. - (a) Surface waves in the shallow-ice approximation. - (α) Integration by the methods of characteristics. - (β) An illustrative example. - (γ) A remark on linearization. - (δ) Effects of diffusion. - (b) Remarks regarding time-dependent surface profiles in ice sheets. - (c) Long waves in an infinite ice slab - Is accounting for diffusion enough?. - (α) Basic equations. - (β) Construction of perturbation solutions. - (γ) Numerical results. - 6. Concluding Remarks. - References. - 7. Three-dimensional and Local Flow Effects in Glaciers and Ice Sheets. - 1. Introduction. - 2. Effect of Valley Sides on the Motion of a Glacier. - (a) Solutions in special cases. - (α) Exact solutions for the limiting cases. - (β) Solution for a slightly off-circular channel. - (γ) A note on very deep and wide channels. - (b) A useful result for symmetrical channels with no boundary slip. - (c) Numerical solution - discussion of results. - 3. Three-dimensional Flow Effects in Ice Sheets. - (a) Basic equations. - (b) Decoupling of the stress-velocity problem from the problem of surface profile. - (c) The equation describing the surface geometry. - (d) The margin conditions. - 4. Variational Principles. - (a) Fundamental variational theorem. - (b) Variational principle for velocities. - (c) Reciprocal variational theorem. - (d) Maximum and minimum principles. - (e) Adoption of the variational principles to ice problems. - 5. Discussion of Some Finite-element Solutions. - References. - Appendix: Detailed Calculations Pertaining to Higher-order Stresses in the Shallow-ice Approximation. - AUTHOR INDEX. - SUBJECT INDEX.