ALBERT

Note: CONTENTS Preface Acknowledgements 1. Introduction 1.1 Boundaries of the Arctic 1.2 Main Geographical Factors Shaping the Climate 2. Atmospheric Circulation 2.1 Development of Views on Atmospheric Circulation in the Arctic 2.2 Large-scale Atmospheric Circulation 2.3 Synoptic-scale Circulation 2.4 Winds 2.5 Local Circulation and Mesoscale Disturbances 3. Radiation Conditions 3.1 Sunshine Duration 3.2 Global Solar Radiation 3.3 Short-wave Net Radiation 3.4 Long-wave Net Radiation 3.5 Net Radiation and Other Elements of the Heat Balance 4. Air Temperature 4.1 Mean Monthly, Seasonal, and Annual Air Temperature 4.2 Mean and Absolute Extreme Air Temperatures 4.3 Temperature Inversions 5. Cloudiness 5.1 The Annual Cycle 5.2 Spatial Patterns 5.3 Fog 6. Air Humidity 6.1 Water Vapour Pressure 6.2 Relative Humidity 7. Atmospheric Precipitation and Snow Cover 7.1 Atmospheric Precipitation 7.2 Number of Days with Precipitation 7.3 Snow Cover 8. Air Pollution 9. Climatic Regions 9.1 The Atlantic Region 9.2 The Siberian Region 9.3 The Pacific Region 9.4 The Canadian Region 9.5 The Baffin Bay Region 9.6 The Greenland Region 9.7 The Interior Arctic Region 10. Climatic Change and Variability in the Holocene 10.1 Period 10-11 ka-l ka BP 10.2 Period 1 ka-O.l ka BP 10.3 Period 0.1 ka-Present 11. Scenarios of the Arctic Climate in the 21st Century 11.1 Model Simulations of the Present-day Arctic Climate 11.2 Scenarios of the Arctic Climate in the 21st Century References Copyright Acknowledgements Index

Note: 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.

Note: Contents: Preface. - Acknowledgements. - Summary poem. - Introduction. - 1. Oceanic freshwater fluxes in the climate system / Anders Stigebrandt. - 2. Global atmospheric circulation patterns and relationships to Arctic freshwater fluxes / J. E. Walsh. - 3. Atmospheric components of the Arctic Ocean freshwater balance and their interannual variability / R. G. Barry and M. C. Serreze. - 4. Hydroclimatology of the Arctic drainage basin / L. C. Bowling, D. P. Lettenmaier and B. V. Matheussen. - 5. The Arctic Ocean's freshwater budget: sources, storage and export / Eddy C. Carmack. - 6. The Arctic ocean freshwater budget of a climate general circulation model / Howard Cattle and Douglas Cresswell. - 7. Atmospheric components of the Arctic Ocean bydrologic budget assessed from Rawinsonde data / M. C. Serreze and R. G. Barry. - 8. Reanalyses depictions of the Arctic atmospheric moisture budget / D. H. Bromwich, R. I. Cullather and M. C. Serreze. - 9. Moisture transport to Arctic drainage basins relating to significant precipitation events and cyclogenesis / John R. Gyakum. - 10. Atmospheric climate models: simulation of the Arctic Ocean fresh water budget components / V. M. Kattsov, J. E. Walsh, A. Rinke and K. Dethloff. - 11. Discharge observation networks in Arctic regions: computation of the river runoff into the Arctic Ocean, its seasonality and variability / W. E. Grabs, F. Portmann and T. de Couet. - 12. Arctic river flow: a review of contributing areas / I. A. Shiklomanov, A. I. Shiklomanov, R. B. Lammers, B. J. Peterson and C. J. Vorosmarty. - 14. River input of water, sediment, major ions, nutrients and trace metals from Russian territory to the Arctic Ocean / V. V. Gordeev. - 15. The dispersion of Siberian river flows into coastal waters: meteorological, hydrological and hydrochemical aspects / I. P. Semiletov, N. I. Savelieva, G. E. Weller, I. I. Pipko, S. P. Pugach, A. Yu. Gukov and L. N. Vasilevskaya. - 16. The variable climate of the Mackenzie River basin: its water cycle and fresh water discharge / R. E. Stewart. - 17. Arctic estuaries and ice: a positive-negative estuarine couple / R. W. Macdonald. - 18. Satellite views of the Arctic Ocean freshwater balance / D. A. Rothrock, R. Kwok and D. Groves. - 19. Tracer studies of the Arctic freshwater budget / P. Schlosser, B. Ekwurzel, S. Khatiwala, B. Newton, W. Maslowski and S. Pfirman. - 20. Exchanges of freshwater through the shallow straits of the North American Arctic / Humfrey Melling. - 21. The transformations of Atlantic water in the Arctic Ocean and their significance for the freshwater budget / Bert Rudels and Hans J. Friedrich. - 22. Modelling the variability of exchanges between the Arctic Ocean and the Nordic seas / Rüdiger Gerdes. - 23. Sea ice growth, melt and modeling: a survey / Michael Steele and Gregory M. Flato. - 24. Fresh water freezing/melting cycle in the Arctic Ocean / G. V. Alekseev, L. V. Bulatov and V. F. Zakharov. - Colour plates. - Subject index.

Note: CONTENTS: Preface. - The Editors. - Aims & Scope of Developments in Paleoenvironmental Research Book Series. - Editors and Board of Advisors of Developments in Paleoenvironmental. - Research Book Series. - Contents of Volumes 1 to 4 of the Series. - Safety Considerations and Caution. - List of Contributors. - 1. An introduction to physical and geochemical methods used in paleolimnology / William M. Last & John P. Smol. - PART 1: PHYSICAL LITHOSTRATIGRAPHY TECHNIQUES. - 2. Recognition and analysis of bedding and sediment fabric features / Alan E. S. Kemp, Jean Dean, Richard B. Pearce & Jennifer Pike. - Introduction. - Approach. - Photography and imagery of the core surface. - Penetrative imaging of the core. - Sampling wet, unconsolidated or semi-consolidated sediment. - Sediment drying and resin-embedding. - Thin section preparation. - SEM analysis of laminated sediment. - Summary. - Acknowledgements. - Appendix 1: Fluid displacive low viscosity resin embedding technique Method. - References. - 3. Image analysis techniques / Timo Saarinen & Gunilla Petterson. - Introduction. - Image analysis in paleolimnology. - Material and methods. - Future perspectives. - Conclusion. - Summary. - Acknowledgements. - References. - 4. Textural analysis of lake sediments / William M. Last. - Introduction and importance of texture. - Size. - Form and fabric. - Example of application of textural studies. - Summary. - Acknowledgments. - References. - PART II. MINERALOGICAL AND GEOCHEMICAL INDICATOR TECHNIQUES. - 5. Inorganic geochemical methods in paleolimnology / J. F. Boyle. - History & scope. - Objectives of inorganic geochemical research. - Elemental analysis. - Identifying, characterizing, and quantifying sediment components. - Areas of contention. - Uses of inorganic geochemical data in palaeolimnology. - Future developments. - Summary. - Acknowledgements. - References. - 6. Mineralogical analysis of lake sediments / William M. Last. - Introduction and importance of mineralogy. - Mineralogy versus geochemistry. - Minerals in lake sediments. - A synopsis of methods. - X-ray diffraction. - Light microscopy. - Future developments. - Summary. - Acknowledgments. - References. - 7. Fluid inclusions in paleolimnological studies of chemical sediments / Tim Lowenstein & Sean T. Brennan. - Introduction. - Distinguishing primary from secondary features in chemical sediments. - Fluid inclusions in ancient chemical sediments. - Fluid inclusion liquid-vapor homogenization temperatures: paleolake temperatures. - Fluid inclusion freezing-melting behavior: paleolake chemical compositions. - Stable isotopes (δD, δ18O) from fluid inclusion waters. - Major element chemistry of fluid inclusions: paleolake water compositions. - Summary. - Acknowledgements. - References. - 8. Application of mineral magnetic techniques to paleolimnology / Per Sandgren & Ian Snowball. - Introduction. - A brief history of the application of mineral magnetic measurements to lake sediments. - Magnetic properties. - Magnetic hysteresis. - Anhysteretic remanent magnetisation (ARM). - Sample collection and preparation. - Sequence of measurements. - Hysteresis curves. - Summary. - References. - 9. Sediment organic matter / Philip A. Meyers & Jane L. Teranes. - Introduction. - Paleolimnological proxies. - Summary. - Acknowledgments. - References. - 10. Paleolimnological methods and applications for persistent organic pollutants / Jules M. Blais & Derek C. G. Muir. - Introduction. - Advances in extraction and quantitative analytical techniques for POPs in sediment. - Transfer processes in lakes. - Summary. - Acknowledgments. - References. - 11. Near-Infrared spectrometry (NIRS) in paleolimnology / Tom Korsman, Ingemar Renberg, Eigil Dabakk & Mats B. Nilsson. - Introduction. - Theory. - Instrumentation. - NIR analysis of sediment samples. - Uses of NIRS in palaeolimnology. - Future perspectives. - Summary. - References. - 12. Fly-ash particles / Neil Rose. - Introduction. - A brief history. - Methods of extraction and enumeration. - Temporal distribution. - Spatial distribution. - Source apportionment. - The future. - Summary. - Acknowledgements. - References. - PART III: STABLE ISOTOPE TECHNIQUES. - 13. Application of stable isotope techniques to inorganic and biogenic carbonates / Emi lto. - Introduction. - Nomenclature and systematics. - δ18O of lake-water. - Mg/Ca and Sr/Ca ratios of lake-water. - δ13C of dissolved inorganic carbon (DIC). - Carbonates in lake-sediments. - Mollusks. - Ostracodes. - Charaphytes. - Isotope analysis. - Preparation of carbonate samples for isotope analysis. - Conclusions. - Summary. - Acknowledgments. - References. - 14. Carbon and oxygen isotope analysis of lake sediment cellulose: methods and applications / Brent B. Wolfe, Thomas W. D. Edwards, Richard J. Elgood & Kristina R. M. Beuning. - Introduction. - Stable isotope tracers in lake waters - 18O, 2 H,13CHistorical development. - Methods. - Key criteria for paleohydrologic reconstruction. - Applications. - Future research directions. - Summary. - Acknowledgements. - References. - 15. Nitrogen isotopes in palaeolimnology / Michael R. Talbot. - Introduction. - Nitrogen in lakes: forms and distribution. - Nitrogen isotopes. - Nitrogen isotope studies in palaeolimnology: sampling and measurement. - Some examples. - Closing remarks. - Summary. - Acknowledgments. - References. - Glossary, acronyms and abbreviations. - Index.