ALBERT

Note: Contents Preface Part I Anatomy of a cyclone 1 Anatomy of a cyclone 1.1 A 'typical' extra-tropical cyclone 1.2 Describing the atmosphere 1.3 Air masses and fronts 1.4 The structure of a typical extra-tropical cyclone Review questions 2 Mathematical methods in fluid dynamics 2.1 Scalars and vectors 2.2 The algebra of vectors 2.3 Scalar and vector fields 2.4 Coordinate systems on the Earth 2.5 Gradients of vectors 2.6 Line and surface integrals 2.7 Eulerian and Lagrangian frames of reference 2.8 Advection Review questions 3 Properties of fluids 3.1 Solids, liquids, and gases 3.2 Thermodynamic properties of air 3.3 Composition of the atmosphere 3.4 Static stability 3.5 The continuum hypothesis 3.6 Practical assumptions 3.7 Continuity equation Review questions 4 Fundamental forces 4.1 Newton's second law: F=ma 4.2 Body, surface, and line forces 4.3 Forces in an inertial reference frame 4.4 Forces in a rotating reference frame 4.5 The Navier-Stokes equations Review questions 5 Scale analysis 5.1 Dimensional homogeneity 5.2 Scales 5.3 Non-dimensional parameters 5.4 Scale analysis 5.5 The geostrophic approximation Review questions 6 Simple steady motion 6.1 Natural coordinate system 6.2 Balanced flow 6.3 The Boussinesq approximation 6.4 The thermal wind 6.5 Departures from balance Review questions 7 Circulation and vorticity 7.1 Circulation 7.2 Vorticity 7.3 Conservation of potential vorticity 7.4 An introduction to the vorticity equation Review questions 8 Simple wave motions 8.1 Properties of waves 8.2 Perturbation analysis 8.3 Planetary waves Review questions 9 Extra-tropical weather systems 9.1 Fronts 9.2 Frontal cyclones 9.3 Baroclinic instability Review questions Part II Atmospheric phenomena 10 Boundary layers 10.1 Turbulence 10.2 Reynolds decomposition 10.3 Generation of turbulence 10.4 Closure assumptions Review questions 11 Clouds and severe weather 11.1 Moist processes in the atmosphere 11.2 Air mass thunderstorms 11.3 Multi-cell thunderstorms 11.4 Supercell thunderstorms and tornadoes 11.5 Mesoscale convective systems Review questions 12 Tropical weather 12.1 Scales of motion 12.2 Atmospheric oscillations 12.3 Tropical cyclones Review questions 13 Mountain weather 13.1 Internal gravity waves 13.2 Flow over mountains 13.3 Downslope windstorms Review questions 14 Polar weather 14.1 Katabatic winds 14.2 Barrier winds 14.3 Polar lows Review questions 15 Epilogue: the general circulation 15.1 Fueled by the Sun 15.2 Radiative-convective equilibrium 15.3 The zonal mean circulation 15.4 The angular momentum budget 15.5 The energy cycle Appendix A - symbols Appendix Β - constants and units Bibliography Index

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: Contents: Introduction. - 1. Coastlines as zones of interaction among geological processes, climate change, and socioeconomic development? - Modeling opportunities / J. Harff, W. W. Hay, and D. F. Tetzlaff. - Models describing the driving forces of coastal change and effects of their interrelation. - 2. Postglacial coastal evolution: Ice-ocean-solid Earth interactions in a period of rapid climate change / W. R. Peltier. - 3. Simulation of the Eemian interglacial and possible mechanisms for the glacial inception / F. Kaspar and U. Cubasch. - 4. Predicting seabed change as a function of climate change over the next 50 yr in the Australian southeast / F. Li, C. P. Dyt, C. M. Griffiths, and K. L. McInnes. - 5. Interaction among sedimentation, compaction, and groundwater flow in coastal settings / D. M. Tetzlaff and M.-T. Schafmeister. - Model areas. - The Arctic and the Northern Hemisphere. - 6. The Laptev Sea system since the Last Glacial / H. Kassens, J. Thiede, H. A. Bauch, J. A. Hoelemann, I. Dmitrenko, S. Pivovarov, S. Priamikov, L. Timokhov, and C. Wegner. - 7. The evolution and degradation of coastal and offshore permafrost in the Laptev and Eastern Siberian Seas during the last climatic cycle / P. P. Overduin, H.-W. Hubberten, V. Rachold, N. Romanovskii, M. Grigoriev, and M. Kasymskaya. - 8. Climate and the migration of early peoples into the Americas / R. Hetherington, A. J. Weaver, and Á. Montenegro. - Marginal seas. - 9. The Baltic Sea coast - A model of interrelations among geosphere, climate, and anthroposphere / J. Harff, W. Lemke, R. Lampe, F. Lüth, H. Lübke, M. Meyer, F. Tauber, and U. Schmölcke. - 10. Southern Baltic Sea level oscillations: New radiocarbon, pollen, and diatom evidences of from the Puck Lagoon (Poland) / S. Uscinowicz, J. Zachowicz, G. Miotk-Szpiganowicz, and A. Witkowski. - 11. Modelling Holocene coastal erosion and sediment supply in the western North Sea / J. G. Rees, R. Newsham, and C. D. R. Evans. - 12. A Black Sea lowstand at 8500 yr B.P. indicated by a relict coastal dune system at a depth of 90 m below sea level / G. Lericolais, I. Popescu, F. Guichard, and S. Popescu. - 13. Sinis Peninsula (western Sardinia, Italy) coastal system analysis using hydrodynamic and remote sensing techniques / A. Atzeni, D. Pani, and N. Ibba. - 14. A long-term morphological modeling study on the evolution of the Pearl River Delta, network system, and estuarine bays since 6000 yr B.P. / C. Y. Wu, J. Ren, Y. Bao, Y. P. Lei, and H. Y. Shi. - Index.

Note: In kyrill. Schr.

Note: Zugl.: Greifswald, Univ., Diss., 2005

Note: Zugl.: Bremen, Univ., Diss., 2006

Note: Contents 1. Introduction 1.1 Historical Background 1.2 Some Examples of Spectral Methods 1.2.1 A Fourier Galerkin Method for the Wave Equation 1.2.2 A Chebyshev Collocation Method for the Heat Equation 1.2.3 A Legendre Galerkin with Numerical Integration (G-NI) Method for the Advection-Diffusion-Reaction Equation 1.2.4 A Legendre Tau Method for the Poisson Equation 1.2.5 Basic Aspects of Galerkin, Collocation, G-NI and Tau Methods 1.3 Three-Dimensional Applications in Fluids: A Look Ahead 2. Polynomial Approximation 2.1 The Fourier System 2.1.1 The Continuous Fourier Expansion 2.1.2 The Discrete Fourier Expansion 2.1.3 Differentiation 2.1.4 The Gibbs Phenomenon 2.2 Orthogonal Polynomials in (−1, 1) 2.2.1 Sturm-Liouville Problems 2.2.2 Orthogonal Systems of Polynomials 2.2.3 Gauss-Type Quadratures and Discrete Polynomial Transforms 2.3 Legendre Polynomials 2.3.1 Basic Formulas 2.3.2 Differentiation 2.3.3 Orthogonality, Diagonalization and Localization 2.4 Chebyshev Polynomials 2.4.1 Basic Formulas 2.4.2 Differentiation 2.5 Jacobi Polynomials 2.6 Approximation in Unbounded Domains 2.6.1 Laguerre Polynomials and Laguerre Functions 2.6.2 Hermite Polynomials and Hermite Functions 2.7 Mappings for Unbounded Domains 2.7.1 Semi-Infinite Intervals 2.7.2 The Real Line 2.8 Tensor-Product Expansions 2.8.1 Multidimensional Mapping 2.9 Expansions on Triangles and Related Domains 2.9.1 Collapsed Coordinates and Warped Tensor-Product Expansions 2.9.2 Non-Tensor-Product Expansions 2.9.3 Mappings 3. Basic Approaches to Constructing Spectral Methods 3.1 Burgers Equation 3.2 Strong and Weak Formulations of Differential Equations 3.3 Spectral Approximation of the Burgers Equation 3.3.1 Fourier Galerkin 3.3.2 Fourier Collocation 3.3.3 Chebyshev Tau 3.3.4 Chebyshev Collocation 3.3.5 Legendre G-NI 3.4 Convolution Sums 3.4.1 Transform Methods and Pseudospectral Methods 3.4.2 Aliasing Removal by Padding or Truncation 3.4.3 Aliasing Removal by Phase Shifts 3.4.4 Aliasing Removal for Orthogonal Polynomials 3.5 Relation Between Collocation, G-NI and Pseudospectral Methods 3.6 Conservation Forms 3.7 Scalar Hyperbolic Problems 3.7.1 Enforcement of Boundary Conditions 3.7.2 Numerical Examples 3.8 Matrix Construction for Galerkin and G-NI Methods 3.8.1 Matrix Elements 3.8.2 An Example of Algebraic Equivalence between G-NI and Collocation Methods 3.9 Polar Coordinates 3.10 Aliasing Effects 4. Algebraic Systems and Solution Techniques 4.1 Ad-hoc Direct Methods 4.1.1 Fourier Approximations 4.1.2 Chebyshev Tau Approximations 4.1.3 Galerkin Approximations 4.1.4 Schur Decomposition and Matrix Diagonalization 4.2 Direct Methods 4.2.1 Tensor Products of Matrices 4.2.2 Multidimensional Stiffness and Mass Matrices 4.2.3 Gaussian Elimination Techniques 4.3 Eigen-Analysis of Spectral Derivative Matrices 4.3.1 Second-Derivative Matrices 4.3.2 First-Derivative Matrices 4.3.3 Advection-Diffusion Matrices 4.4 Preconditioning 4.4.1 Fundamentals of Iterative Methods for Spectral Discretizations 4.4.2 Low-Order Preconditioning of Model Spectral Operators in One Dimension 4.4.3 Low-Order Preconditioning in Several Dimensions 4.4.4 Spectral Preconditioning 4.5 Descent and Krylov Iterative Methods for Spectral Equations 4.5.1 Multidimensional Matrix-Vector Multiplication 4.5.2 Iterative Methods 4.6 Spectral Multigrid Methods 4.6.1 One-Dimensional Fourier Multigrid Model Problem 4.6.2 General Spectral Multigrid Methods 4.7 Numerical Examples of Direct and Iterative Methods 4.7.1 Fourier Collocation Discretizations 4.7.2 Chebyshev Collocation Discretizations 4.7.3 Legendre G-NI Discretizations 4.7.4 Preconditioners for Legendre G-NI Matrices 4.8 Interlude 5. Polynomial Approximation Theory 5.1 Fourier Approximation 5.1.1 Inverse Inequalities for Trigonometric Polynomials 5.1.2 Estimates for the Truncation and Best Approximation Errors 5.1.3 Estimates for the Interpolation Error 5.2 Sturm-Liouville Expansions 5.2.1 Regular Sturm-Liouville Problems 5.2.2 Singular Sturm-Liouville Problems 5.3 Discrete Norms 5.4 Legendre Approximations 5.4.1 Inverse Inequalities for Algebraic Polynomials 5.4.2 Estimates for the Truncation and Best Approximation Errors 5.4.3 Estimates for the Interpolation Error 5.4.4 Scaled Estimates 5.5 Chebyshev Approximations 5.5.1 Inverse Inequalities for Polynomials 5.5.2 Estimates for the Truncation and Best Approximation Errors 5.5.3 Estimates for the Interpolation Error 5.6 Proofs of Some Approximation Results 5.7 Other Polynomial Approximations 5.7.1 Jacobi Polynomials 5.7.2 Laguerre and Hermite Polynomials 5.8 Approximation in Cartesian-Product Domains 5.8.1 Fourier Approximations 5.8.2 Legendre Approximations 5.8.3 Mapped Operators and Scaled Estimates 5.8.4 Chebyshev and Other Jacobi Approximations 5.8.5 Blended Trigonometric and Algebraic Approximations 5.9 Approximation in Triangles and Related Domains 6. Theory of Stability and Convergence 6.1 Three Elementary Examples Revisited 6.1.1 A Fourier Galerkin Method for the Wave Equation 6.1.2 A Chebyshev Collocation Method for the Heat Equation 6.1.3 A Legendre Tau Method for the Poisson Equation 6.2 Towards a General Theory 6.3 General Formulation of Spectral Approximations to Linear Steady Problems 6.4 Galerkin, Collocation, G-NI and Tau Methods 6.4.1 Galerkin Methods 6.4.2 Collocation Methods 6.4.3 G-NI Methods 6.4.4 Tau Methods 6.5 General Formulation of Spectral Approximations to Linear Evolution Problems 6.5.1 Conditions for Stability and Convergence: The Parabolic Case 6.5.2 Conditions for Stability and Convergence: The Hyperbolic Case 6.6 The Error Equation 7. Analysis of Model Boundary-Value Problems 7.1 The Poisson Equation 7.1.1 Legendre Methods 7.1.2 Chebyshev Methods 7.1.3 Other Boundary-Value Problems 7.2 Singularly Perturbed Elliptic Equations 7.2.1 Stabilization of Spectral Methods 7.3 The Eigenvalues of Some Spectral Operators 7.3.1 The Discrete Eigenvalues for Lu = −uxx 7.3.2 The Discrete Eigenvalues for Lu = −νuxx + βux 7.3.3 The Discrete Eigenvalues for Lu = ux 7.4 The Preconditioning of Spectral Operators 7.5 The Heat Equation 7.6 Linear Hyperbolic Equations 7.6.1 Periodic Boundary Conditions 7.6.2 Nonperiodic Boundary Conditions 7.6.3 The Resolution of the Gibbs Phenomenon 7.6.4 Spectral Accuracy for Non-Smooth Solutions 7.7 Scalar Conservation Laws 7.8 The Steady Burgers Equation Appendix A. Basic Mathematical Concepts A.1 Hilbert and Banach Spaces A.2 The Cauchy-Schwarz Inequality A.3 Linear Operators Between Banach Spaces A.4 The Fr´echet Derivative of an Operator A.5 The Lax-Milgram Theorem A.6 Dense Subspace of a Normed Space A.7 The Spaces Cm(Ω), m ≥ 0 A.8 Functions of Bounded Variation and the Riemann(-Stieltjes) Integral A.9 The Lebesgue Integral and Lp-Spaces A.10 Infinitely Differentiable Functions and Distributions A.11 Sobolev Spaces and Sobolev Norms A.12 The Sobolev Inequality A.13 The Poincar´e Inequality A.14 The Hardy Inequality A.15 The Gronwall Lemma Appendix B. Fast Fourier Transforms Appendix C. Iterative Methods for Linear Systems C.1 A Gentle Approach to Iterative Methods C.2 Descent Methods for Symmetric Problems C.3 Krylov Methods for Nonsymmetric Problems Appendix D. Time Discretizations D.1 Notation and Stability Definitions D.2 Standard ODE Methods D.2.1 Leap Frog Method D.2.2 Adams-Bashforth Methods D.2.3 Adams-Moulton Methods D.2.4 Backwards-Difference Formulas D.2.5 Runge-Kutta Methods D.3 Integrating Factors D.4 Low-Storage Schemes References Index

Note: Inhalt: 1 Einleitung. - 1.1 Alltägliche Probleme. - 1.2 Uni- und multivariate Daten. - 1.3 Wege ins Statistiklabyrinth. - 2 Statistische Grundlagen. - 2.1 Einführung in die Terminologie. - 2.2 Datentypen -Skalenniveaus. - 2.3 Korrelation. - 2.4 Regression. - 2.5 Lineare Regression. - 2.6 Multiplelineare Regression. - 2.7 Unimodale Modelle - die Gauß'sche Regression. - 2.8 Logistische und Gauß'sche logistische Regression. - 2.9 Interaktionen. - 2.10 Gewichtetes Mittel. - 2.11 Partielle Analysen. - 3 Datenmanipulationen. - 3.1 Normalverteilung und Transformationen. - 3.2 Standardisierungen. - 3.3 Transponieren, Umkodieren und Maskieren. - 4 Ähnlichkeits- und Distanzmaße. - 4.1 Qualitative Ähnlichkeitsmaße. - 4.2 Quantitative Ähnlichkeitsmaße. - 4.3 Distanzmaße. - 4.4 Vergleich der geschilderten Koeffizienten. - 5 Ordinationen - das Prinzip. - 5.1 Dimensionsreduktion als Analysestrategie. - 5.2 Polare Ordination. - 6 Korrespondenzanalyse (CA). - 6.1 Das Prinzip. - 6.2 Mathematische Artefakte - Probleme der CA. - 6.3 DCA {Detrended Correspondence Analysis). - 6.4 Zusammenfassendes zu Problemen der CA und DCA. - 7 Interpretation von CA und DCA. - 7.1 Zur Skalierung und Interpretation der Ordinationsdiagramme. - 7.2 Umweltvariablen-Interaktionen von Effekten. - 7.3 Ordination und Umweltdaten. - 8 Kanonische Ordination (constrained ordination). - 8.1 Prinzip der Kanonischen Korrespondenzanalyse (CCA). - 8.2 Interpretation eines CCA-Diagramms. - 8.3 Forward selection bei kanonischen Ordinationen. - 8.4 Überprüfung einer CCA. - 9 Hauptkomponentenanalyse (PCA). - 9.1 Das Prinzip - geometrische Herleitung. - 9.2 Das Prinzip - der mathematische Ansatz. - 9.3 Optionen bei einer PCA. - 9.4 Stärken und Schwächen der PCA. - 9.5 Faktorenanalyse. - 10 Lineare Methoden und Umweltdaten: PCA und RDA. - 10.1 Indirekte Ordination. - 10.2 Kanonische Ordination - Prinzip der Redundanzanalyse. - 10.3 Interpretation einer RDA. - 11 Partielle Ordination und variance partitioning. - 11.1 Kovariablen. - 11.2 Partielle PCA, CA, DCA. - 11.3 Partielle kanonische Ordination. - 11.4 Variance partitioning. - 12 Multidimensionale Skalierung. - 12.1 Der andere Weg zum Ziel. - 12.2 Metrische Multidimensionale Skalierung - Hauptkoordinatenanalyse. - 12.3 Nichtmetrische Multidimensionale Skalierung. - 12.3.1 Das Prinzip. - 12.3.2 NMDS - Optionen und Probleme. - 12.3.3 Ablauf einer NMDS. - 13 Klassifikation - das Prinzip. - 13.1 Das Wesen von Klassifikationen. - 13.2 Die wichtigsten Klassifikationsstrategien. - 14 Agglomerative Klassifikationsverfahren. - 14.1Clusteranalyse - Grundlagen. - 14.2 Auswertung von Dendrogrammen. - 15 Divisive Klassifikationsverfahren. - 15.1 Ordination Space Partitioning. - 15.2 TWINSPAN. - 15.3 Ablauf einer TWINSPAN-Analyse. - 15.4 Kritik an der TWINSPAN-Analyse. - 16 Sonstige Verfahren zur Beschreibung von Gruppenstrukturen. - 16.1 Nichthierarchische agglomerative Verfahren. - 16.2 Nichthierarchische divisive Verfahren. - 16.3 Numerische "treue"-basierte Verfahren. - 16.4 Diskriminanzanalyse. - 16.4.1 Das Prinzip. - 16.4.2 Voraussetzungen. - 16.4.3 Gütekriterien/Prüfung der Ergebnisse. - 17 Permutationsbasierte Tests. - 17.1 Das Prinzip von Permutationstests. - 17.2 Test auf Signifikanz von Ordinationsachsen. - 17.3 Mantel-Test. - 17.4 Gruppenvergleiche - Mantel-Tests und MRPP. - 17.5 Procrustes-Analysen. - 17.6 Indicator Species Analysis. - 17.7 Ausblick Randomisierungsverfahren. - Literatur. - Sachverzeichnis.

Note: Enthaltener Beitrag: Russian-German Cooperation SYSTEM LAPTEV SEA: The Expedition COAST I / edited by Paul Overduin , Enthaltener Beitrag: The Expedition Lena 2005 / edited by Lutz Schirrmeister, Dirk Wagner, Mikhail N. Grigoriev and Dimitry Yu. Bolshiyanov , Enthaltener Beitrag: Russian-German cooperation Yakutsk - Potsdam: the expedition CENTRAL YAKUTIA 2005 / edited by Bernhard Diekmann, Sebastian Wetterich and Frank Kienast , Contents for "Russian-German Cooperation SYSTEM LAPTEV SEA: The Expedition COAST I" The Expedition COAST I 1. Background and Objectives 2. Logistics and Itinerary 3. Field Methods and Sample Recovery 3.1 Coring 3.2 Pore water analyses 3.3 Temperature profiles 4. Sample lists , Contents for "The Expedition Lena 2005" The Expedition Lena 2005 1. Introduction 2. Expedition itinerary and general logistics 3. Microbiological processes, trace gas fluxes and hydrobiology in permafrost ecosystems of the Lena Delta 3.1 Introduction 3.2 Dynamic of methane oxidising communities in permafrost soils 3.2.1 Introduction 3.2.2 Sampling procedure and field parameters 3.2.3 Pore water methane concentration 3.2.4 Sample processing and analyses 3.3 Microbial studies on nitrification from permafrost environments 3.3.1 Introduction 3.3.2 Field experiments: Impact of polygonal soil parameter on nitrification 3.4 Closed chamber measurements of carbon exchange between Arctic tundra and the atmosphere 3.5 Micrometeorological measurements of energy, water, and carbon exchange between Arctic tundra and the atmosphere 3.6 Energy and water budget of permafrost soils – long time meteorology and soil survey station on Samoylov Island 3.7 Isotopic Studies on the 13C-fractionation during CH4-production in polygonal and thermokarst lakes of the Lena Delta 3.7.1 Introduction and methods 3.7.2 Preliminary results and further plans 3.8 Hydrobiological investigations on Samoylov Island 3.8.1 Objectives 3.8.2 Research tasks 3.8.3 Material and methods 3.8.4 Preliminary results 3.9 References 4. Studies of periglacial landscape dynamics and surface characteristics studies in the western Lena Delta 4.1. Scientific background and objectives 4.2. Geological and geographical characteristics 4.3. Studies of oriented lakes and thermokarst depressions 4.3.1 Background 4.3.2 Study area 4.3.3 Topographical and geomorphological settings 4.3.3.1 Depressions 1, 2 and 3 4.3.3.2 Depression 4 4.3.3.3 Depression 5 4.3.4 Bathymetrical surveys 4.3.5 Field sampling 4.4. Characteristics and spectral properties of periglacial landforms 4.4.1 Introduction 4.4.2 Methods 4.4.3 First results 4.5. Studies of permafrost sequences for paleo-environmental reconstruction 4.5.1 The “Arga-Sands” on Turakh Island 4.5.1.1 Exposure Tur-1 4.5.1.2 Core Tur-2 4.5.1.3 Exposure T021 4.5.2 Sand sequences of Ebe Basyn Sise Island 4.5.2.1 Exposure Ebe-4 4.5.2.2 Exposure Ebe-2 4.5.2.3 Exposure Ebe-3 4.5.2.4 Exposure Ebe-5 4.5.3 Sand and Ice Complex sequences of Khardang Island 4.5.3.1 The sand deposits in the exposure Kha-1 4.5.3.2 The sequence Kha-2 4.5.3.3 Exposure Kha-3: large ice wedge and surrounding sediments 4.6 Subsurficial and bathymetrical Ground Penetrating Radar (GPR) Investigations 4.6.1 Subsurface mapping of the Arga sands stratigraphical unit 4.6.1.1 GPR survey configuration 4.6.1.2 Transects at exposure Ebe-4 4.6.1.3 Transects at exposure/borehole Tur-1/Tur-2 4.6.2 Arynskaya Channel bathymetry 4.7 Measuring of local weather and soil conditions by soil probe and weather station 4.8 Palaeontological collection of the “Mammoth” fauna from the museum of the Lena Delta Reserve 4.9 References 4.10 Appendices chapter 4 Appendix 4-1: Field spectrometry – description of measuring points and profiles (see chapter 4.4) Appendix 4-2: List of sediment samples (see chapter 4.5) Appendix 4-3: Modern soil profiles and surface samples Appendix 4-4: List of ground ice and surface water samples Appendix 4-5. Bone collection of the expedition LENA 2005 Appendix 4-6: Bone collection of Lena Delta Reserve Tiksi (see chapter 4.8) 5. Holocene ice wedges of the 1st Lena terrace 5.1 Introduction 5.2 Outcrops 5.2.1 Outcrop 1 5.2.2 Outcrop 2 5.2.3 Geocryolithology on Samoylov Island: General impressions 5.2.4 Outcrop 3 5.2.5 Outcrop 4 5.2.6 Outcrop 5 5.2.7 Outcrop 6 5.2.8 Outcrop 7 5.2.9 Outcrop 8 5.2.10 Outcrop 9 5.2.11 Outcrop 10 5.2.12 Pingo at Olenyekskaya Channel 5.2.13 Summary 5.3 Studies on recent cryogenesis on Samoylov Island 5.4 References 5.5 Appendices chapter 5 Appendix 5-1: Ice sample list Appendix 5-2: List of sediment samples and ice content measurement Appendix 5-3: List of water samples 6. Report of the hydrological work in the Lena River Delta in August 2005 6.1 Introduction 6.2 Methods 6.3 Preliminary results 6.4 Conclusion , Contents for "Russian-German cooperation Yakutsk - Potsdam: the expedition CENTRAL YAKUTIA 2005" Central Yakutia 2005 1. Expedition ‘Verkhoyansk 2005’ • Limnogeological studies at Lake Billyakh, Verkhoyansk Mountains, Yakutia 1.1 Introduction 1.2 Regional Setting of Lake Billyakh 1.3 Itinerary 1.4 Methods 1.4.1 Bathymetric measurements 1.4.2 Water sampling and measurements 1.4.3 Sediment coring 1.5 Results 1.5.1 Bathymetry 1.5.2 Water profiles 1.5.3 Sediment cores 1.6 Outlook 1.7 References 2 Limnological studies in Central and North-east Yakutia in summer 2005 2.1 Introduction 2.2 Study sites and lake types 2.3 Material and methods 2.4 Preliminary results 2.5 Outlook 2.6 References 2.7 Appendices Appendix 2-1: General characteristics and geographical position of the studied lakes in Central and North-east Yakutia Appendix 2-2: Some properties of the studied lakes in Central and North-east Yakutia, obtained during the fieldwork (unfilled table cells imply no data or information) Appendix 2-3: Sample list for further analyses on sediments, hydro-chemistry, water isotopes and aquatic organisms Appendix 2-4: Occurrence of zoobenthos organisms in the sampled Central-Yakutian lakes in July 2005 3. Vegetation studies in extremely continental regions of Yakutia 3.1 Introduction 3.2 Study areas and investigated vegetation types 3.3 Material and methods 3.4 Preliminary results 3.5 Appendix 3-1: Metadata of studied vegetation records

Note: Zugl.: Bremen, Univ., Diss., 2006

Note: CONTENTS: PREFACE. - FOREWORD. - CONTENTS. - REVIEW. - 1. Arctic Sea Ice Thickness – A Review of Current Techniques and Future Possibilities / Peter Wadhams. - PART 1. HOW WE MEASURE SEA ICE THICKNESS. - 2. Ice Mass Balance Buoy: An Instrument to Measure and Attribute Changes in Ice Thickness / Jacqueline A. Richter-Menge, Donald K. Perovich, Cathleen Geiger, Bruce C. Elder and Kerry Claffey. - 3. A Review of the Use of Sonar on Underwater Vehicles to Obtain Information on Sea Ice Draft / Jeremy P. Wilkinson, Peter Wadhams and Nick E. Hughes. - 4. Key Characteristics of Helicopter Electromagnetic Sea Ice Thickness Mapping Resolution, Accuracy and Footprint / Andreas Pfaffling, Christian Haas and James E. Reid. - 5. The Simulated Seasonal Variability of the Ku-band Radar Altimeter Effective Scattering Surface Depth in Sea Ice / Rasmus T. Tonboe, Søren Andersen, Rashpal S. Gill and Leif Toudal Pedersen. - 6. SAR Motion Products: Tools for Monitoring Changes in Sea Ice Mass Balance and Thickness Distribution / Cathleen A. Geiger, Mani V. Thomas, and Chandra Kambhamettu. - 7. Classification of GreenICE SAR Data Using Fuzzy Screening Method / Rashpal S. Gill and Rasmus T. Tonboe. - 8. Sea Ice Freeboard from ICESat – A Comparison with Airborne Lidar Measurements / Henriette Skourup and Rene Forsberg. - 9. On the use of helicopter-borne Radar Backscatter Polarization Ratio measurements at L-Band to estimate the ice thickness / Stefan Kern, Martin Gade, Christian Haas, Andreas Pfaffling, and Gerd Müller. - 10. Satellite Thermal Microwave Sea Ice Concentration Algorithm Comparison / Søren Andersen, Rasmus T. Tonboe and Lars Kaleschke. - PART 2. WHAT DO WE KNOW ABOUT THICKNESS CHANGES?. - 11. GreenICE Sediment Cores Reveal Reduced Last Interglacial Arctic Sea Ice Cover / Niels Nørgaard-Pedersen, Naja Mikkelsen, Susanne J. Lassen, Emma Sheldon, Yngve Kristoffersen. - 12. Airborne Electromagnetic Measurements of Sea Ice Thickness: Methods and Applications / Christian Haas, Sibylle Goebell, Stefan Hendricks, Torge Martin, Andreas Pfaffling, Carola von Saldern. - 13. Recent Changes in the Sea Ice Thickness Distribution in the Russian Arctic / João Rodrigues. - 14. Spring Sea Ice Thickness in the Western Fram Strait: Preliminary Results / Sebastien Gerland, Christian Haas, Richard Hall, Jürgen Holfort, Edmond Hansen, Terje Brink Løyning, and Angelika Renner. - 15. Sea Ice Thickness, Geoid and Ocean Topography in the Arctic Ocean from ICESat and GRACE / Rene Forsberg, Henriette Skourup. - 16. Utilization of Multiple Satellite Sensors to Estimate Sea Ice Volume Flux through Fram Strait / Gunnar Spreen, Stefan Kern, and Detlef Stammer. - 17. Sea ice Thickness Estimates from Airborne Laser Scanning / Sine M. Hvidegaard, Rene Forsberg, and Henriette Skourup. - 18. Effect of the Physical Description of Sea Ice on the Modelled Mean Sea Ice Thickness on the Arctic Ocean / Jari Haapala. - PART 3. SEA ICE EXTENT CHANGES AND IMPLICATIONS FOR SOCIETY. - 19. The Arctic Marine Shipping Assessment: Changing Marine Access and a Critical Need for Improved Sea Ice Thickness Information / Lawson W. Brigham. - 20. Arctic Sea Ice Thickness: Implications for Arctic Tourism / John M. Snyder. - 21. Recent Changes in the Sea Ice Distribution in the Russian Arctic: Ice Extent, Area and Length of the Ice-free Season / João Rodrigues.

Note: Contents: Preface to First Edition. - Preface to Second Edition. - Preface to Third Edition. - Acknowledgments. - Part I The Periglacial Domain. - 1 Introduction. - 1.1 The Periglacial Concept. - 1.2 Disciplinary Considerations. - 1.2.1 The Growth of Geocryology. - 1.2.2 The Changing Nature of Quaternary Science. - 1.2.3 Modern Periglacial Geomorphology. - 1.3 The Growth of Periglacial Knowledge. - 1.4 The Periglacial Domain. - 1.5 The Scope of Periglacial Geomorphology. - 1.5.1 Permafrost-Related Processes and Landforms. - 1.5.2 Azonal Processes and Landforms. - 1.5.3 Paleo-Environmental Reconstruction. - 1.5.4 Applied Periglacial Geomorphology. - Advanced Reading. - Discussion Topics. - 2 Periglacial Landscapes?. - 2.1 Introduction. - 2.2 Proglacial, Paraglacial or Periglacial?. - 2.3 Unglaciated Periglacial Terrain. - 2.3.1 Beaufort Plain, Northwest Banks Island, Arctic Canada. - 2.3.2 Barn Mountains, Northern Interior Yukon Territory, Canada. - 2.4 Relict Periglacial Landscapes. - 2.4.1 Chalk Uplands, Southern England and Northern France. - 2.4.2 Pine Barrens, Southern New Jersey, Eastern USA. - 2.5 Conclusions. - Advanced Reading. - Discussion Topics. - 3 Periglacial Climates. - 3.1 Boundary Conditions. - 3.2 Periglacial Climates. - 3.2.1 High Arctic Climates. - 3.2.2 Continental Climates. - 3.2.3 Qinghai-Xizang (Tibet) Plateau. - 3.2.4 Alpine Climates. - 3.2.5 Climates of Low Annual Temperature Range. - 3.2.6 Antarctica: A Special Case. - 3.3 Ground Climates. - 3.3.1 The n-Factor. - 3.3.2 The Thermal Offset. - 3.4 Periglacial Climates and the Cryosphere. - Advanced Reading. - Discussion Topics. - Part II Present-Day Periglacial Environments. - 4 Cold-Climate Weathering. - 4.1 Introduction. - 4.2 Ground Freezing. - 4.2.1 The Freezing Process. - 4.2.2 Ice Segregation. - 4.2.3 The Frozen Fringe. - 4.2.4 Frost Heave. - 4.3 Freezing and Thawing. - 4.4 The Ground-Temperature Regime. - 4.4.1 The Seasonal Regime. - 4.4.2 Short-Term Fluctuations. - 4.5 Rock (Frost?) Shattering. - 4.5.1 Frost Action and Ice Segregation. - 4.5.2 Frost Weathering Models. - 4.5.3 Insolation Weathering and Thermal Shock. - 4.5.4 Discussion and Perspective. - 4.6 Chemical Weathering. - 4.6.1 General. - 4.6.2 Solution and Karstification. - 4.6.3 Salt Weathering. - 4.7 Cryogenic Weathering. - 4.8 Cryobiological Weathering. - 4.9 Cryopedology. - 4.9.1 Cryosols. - 4.9.2 Soil Micromorphology. - Advanced Reading. - Discussion Topics. - 5 Permafrost. - 5.1 Introduction. - 5.1.1 Definition. - 5.1.2 Moisture and Ice within Permafrost. - 5.2 Thermal and Physical Properties. - 5.2.1 The Geothermal Regime. - 5.2.2 Physical Properties. - 5.2.3 Thermal Properties. - 5.3 How Does Permafrost Aggrade?. - 5.3.1 General Principles. - 5.3.2 The Illisarvik Drained-Lake Experiment. - 5.4 Distribution of Permafrost. - 5.4.1 Latitudinal Permafrost. - 5.4.2 Alpine (Mountain) Permafrost. - 5.4.3 Montane Permafrost of Central Asia and China. - 5.5 Relict Permafrost. - 5.5.1 Sub-Sea Permafrost. - 5.5.2 Relict (Terrestrial) Permafrost. - 5.6 Permafrost Hydrology. - 5.6.1 Aquifers. - 5.6.2 Hydrochemistry. - 5.6.3 Groundwater Icings. - 5.7 Permafrost and Terrain Conditions. - 5.7.1 Relief and Aspect. - 5.7.2 Rock Type. - 5.7.3 Vegetation. - 5.7.4 Snow Cover. - 5.7.5 Fire. - 5.7.6 Lakes and Surface Water Bodies. - 5.8 The Active Layer. - 5.8.1 The Transient Layer. - 5.8.2 The Stefan Equation. - 5.8.3 Active-Layer Thermal Regime. - Advanced Reading. - Discussion Topics. - 6 Surface Features of Permafrost. - 6.1 Introduction. - 6.2 Thermal-Contraction-Crack Polygons. - 6.2.1 Coefficients of Thermal Expansion and Contraction. - 6.2.2 Ice, Sand, and Soil Wedges. - 6.2.3 Development of the Polygon Net. - 6.2.4 Polygon Morphology. - 6.2.5 Controls Over Cracking. - 6.2.6 Climatic Significance. - 6.3 Organic Terrain. - 6.3.1 Palsas. - 6.3.2 Peat Plateaus. - 6.4 Rock Glaciers. - 6.4.1 Creeping Permafrost. - 6.4.2 Types and Distribution. - 6.4.3 Origin. - 6.5 Frost Mounds. - 6.5.1 Perennial-Frost Mounds. - 6.5.2 Hydraulic (Open) System Pingos. - 6.5.3 Hydrostatic (Closed) System Pingos. - 6.5.4 Other Perennial-Frost Mounds. - 6.5.5 Seasonal-Frost Mounds. - 6.5.6 Hydrolaccoliths and Other Frost-Induced Mounds. - 6.6 Active-Layer Phenomena. - 6.6.1 Bedrock Heave. - 6.6.2 Needle Ice. - 6.6.3 Cryoturbation and Frost Heave. - 6.6.4 Frost Sorting. - 6.6.5 Patterned Ground. - Advanced Reading. - Discussion Topics. - 7 Ground lce. - 7.1 Introduction. - 7.2 Classification. - 7.2.1 Pore Ice. - 7.2.2 Segregated Ice. - 7.2.3 Intrusive Ice. - 7.2.4 Vein Ice. - 7.2.5 Other Types of Ice. - 7.3 Ice Distribution. - 7.3.1 Amounts. - 7.3.2 Distribution with Depth. - 7.3.3 Ice in Bedrock. - 7.3.4 Ice in Unconsolidated Sediments. - 7.4 Cryostratigraphy and Cryolithology. - 7.4.1 Cryostructures, Cryotextures, and Cryofacies. - 7.4.2 Epigenetic and Syngenetic Cryostructures. - 7.4.3 Thaw Unconformities. - 7.4.4 Ice Crystallography. - 7.4.5 Ice Geochemistry. - 7.4.6 Cryostratigraphy and Past Environments. - 7.5 Ice Wedges. - 7.5.1 Epigenetic Wedges. - 7.5.2 Syngenetic Wedges. - 7.5.3 Anti-Syngenetic Wedges. - 7.6 Massive Ice and Massive-Icy Bodies. - 7.6.1 Nature and Extent. - 7.6.2 Intra-Sedimental Ice. - 7.6.3 Buried Glacier Ice. - 7.6.4 Other Mechanisms. - Advanced Reading. - Discussion Topics. - 8 Thermokarst. - 8.1 Introduction. - 8.2 Causes of Thermokarst. - 8.2.1 General. - 8.2.2 Specific. - 8.3 Thaw-Related Processes. - 8.3.1 Thermokarst Subsidence. - 8.3.2 Thermal Erosion. - 8.3.3 Other Processes. - 8.4 Thermokarst Sediments and Structures. - 8.4.1 Involuted Sediments. - 8.4.2 Retrogressive-Thaw-Slumps and Debris-Flow Deposits. - 8.4.3 Ice-Wedge Pseudomorphs and Composite-Wedge Casts. - 8.4.4 Ice, Silt, Sand, and Gravel Pseudomorphs. - 8.5 Ice-Wedge Thermokarst Relief. - 8.5.1 Low-Centered Polygons. - 8.5.2 High-Centered Polygons. - 8.5.3 Badland Thermokarst Relief. - 8.6 Thaw Lakes and Depressions. - 8.6.1 Morphology. - 8.6.2 Growth and Drainage. - 8.6.3 Oriented Thaw Lakes. - 8.7 Thermokarst-Affected Terrain. - 8.7.1 The Lowlands of Central and Northern Siberia. - 8.7.2 The Western North American Arctic. - 8.8 Human-Induced Thermokarst. - 8.8.1 Causes. - 8.8.2 Case Studies. - Advanced Reading. - Discussion Topics. - 9 Hillslope Processes and Slope Evolution. - 9.1 Introduction. - 9.2 Slope Morphology. - 9.2.1 The Free-Face Model. - 9.2.2 Rectilinear Debris-Mantled Slopes. - 9.2.3 Convexo-Concavo Debris-Mantled Slopes. - 9.2.4 Pediment-Like Slopes. - 9.2.5 Stepped Profiles. - 9.3 Mass Wasting. - 9.4 Slow Mass-Wasting Processes. - 9.4.1 Solifluction. - 9.4.2 Frost Creep. - 9.4.3 Gelifluction. - 9.4.4 Solifluction Deposits and Phenomena. - 9.5 Rapid Mass Wasting. - 9.5.1 Active-Layer-Detachment Slides. - 9.5.2 Debris Flows, Slushflows, and Avalanches. - 9.5.3 Rockfall. - 9.6 Slopewash. - 9.6.1 Snow-Bank Hydrology. - 9.6.2 Surface and Subsurface Wash. - 9.7 Frozen and Thawing Slopes. - 9.7.1 Permafrost Creep. - 9.7.2 Thermokarst and Thaw Consolidation. - 9.7.3 Stability of Thawing Slopes. - 9.8 Cold-Climate Slope Evolution. - 9.8.1 Cryoplanation. - 9.8.2 Slope Replacement and Richter Denudation Slopes. - 9.8.3 Rapidity of Profile Change. - 9.8.4 Summary. - Advanced Reading. - Discussion Topics. - 10 Azonal Processes and Landforms. - 10.1 Introduction. - 10.2 Fluvial Processes and Landforms. - 10.2.1 Major Rivers. - 10.2.2 Freeze-Up and Break-Up. - 10.2.3 Basin Hydrology. - 10.2.4 Sediment Flow, Surface Transport, and Denudation. - 10.2.5 Fluvio-Thermal Erosion. - 10.2.6 Channel Morphology. - 10.2.7 Valley Asymmetry. - 10.3 Eolian Processes and Sediments. - 10.3.1 Wind Abrasion. - 10.3.2 Wind Deflation. - 10.3.3 Niveo-Eolian Sediments. - 10.3.4 Loess-Like Silt. - 10.3.5 Sand Dunes and San

Note: Inhalt = Content 1. Vorwort = Introduction 2. Ausgewählte Forschungsthemen = Selected research topics Rinnen im Meereis: Heizung für die Atmosphäre? = Leads in Sea Ice: Heating the Atmosphere? / Christof Lüpkes, Vladimir Gryanik, Anna Barbara Herold, Gerit Birnbaum, Ulrike Wacker, Jörg Hartmann Die polaren Ozeane vor dem Hintergrund der Klimaänderung – Ein Vergleich = The Polar Oceans in the context of climate change – commons and contrasts / Eberhard Fahrbach, Christian Haas und Ursula Schauer Wissenschaftliches Rechnen und Ozeanographie für das Krisenmanagement: Der Beitrag des Alfred-Wegener-Instituts zum Deutsch-Indonesischen Tsunami-Frühwarnsystem = Scientific computing and oceanography for hazard management: The contribution of the Alfred Wegener Institute to the German-Indonesian Tsunami Early Warning System / Jörn Behrens, Wolfgang Hiller, Jens Schröter Klimaarchiv Eis – Das European Project for Ice Coring in Antarctica (EPICA) = Climate archive in ice - the European Project for Ice Coring in Antarctica (EPICA) / Hubertus Fischer, Frank Wilhelms, Sepp Kipfstuhl, Hans Oerter, Hanno Meyer, Peter Köhler, Rainer Gersonde & Heinz Miller Schwarzschiefer vom Nordpol entschlüsseln Klimageschichte: Der Arktische Ozean war vor 45 Millionen Jahren so warm wie die Ostsee heute = Black shales near the North Pole decipher climate history: The Arctic Ocean at 45 Ma was as warm as the modern Baltic Sea / Ruediger Stein, Petra Weller, Bettina Boucsein und Jens Matthiessen Leben auf dem Mars? Methan-bildende Mikroorganismen aus sibirischen Permafrost-böden als Studienobjekte = Life on Mars? Methane-forming micro-organisms from Siberian permafrost soils as study objects / Dirk Wagner und Daria Morozova Seeelefanten helfen Südozeanmodellierern = Elephant Seals help validate Finite Element Ice-Ocean Model / Ralph Timmermann Neuigkeiten in der Krillforschung: Licht kontrolliert Lebensfunktionen des Krills = News in Krill research: Light controls life functions of krill / Mathias Teschke, Bettina Meyer, Carsten Pape, Susanne Spahic Wie wird man 400 Jahre alt? Altersvorsorge der Islandmuschel (Arctica islandica) = Living 400 years – what is the secret of the ocean quahog (Arctica islandica)? / Doris Abele, Eva Philipp, Julia Strahl, Thomas Brey Langzeitforschung auf Helgoland und Sylt: Ein Finger am Puls der Nordsee = Long-Term Ecological Research at Helgoland and Sylt: Keeping a Finger at the Pulse of the North Sea / Justus E.E. van Beusekom, Maarten Boersma, Karsten Reise and Karen H. Wiltshire 3. Forschung = Research MARCOPOLI 3.1 MARINE 3.2 COAST 3.3 POLAR 3.4 Neue Themen = Additional funding 4. Helmholtz-Nachwuchsgruppen = Helmholtz Young Investigator Groups 5. Entwicklungen in den Fachbereichen = Progresses in the Scientific Divisions 6. Neue Technologien = New technologies 7. Logistik und Forschungsplattformen = Logistics and research platforms 8. Nationale und internationale Zusammenarbeit = National and international cooperation 9. Mariner Umweltschutz = Marine environmental protection 10. Wissenschaftliches Rechenzentrum = Scientific data processing centre 11. Bibliothek = Library 12. Technologietransfer = Technology transfer 13. Presse- und Öffentlichkeitsarbeit = Public relations department 14. Schulprojekt = School project 15. Personeller Aufbau und Haushaltsentwicklung = Personnel structure and budget trends 16. Veröffentlichungen, Patente = Publications, patents Anhang = Annex , Text in deutscher und englischer Sprache

Note: Inhaltsverzeichnis: TEIL I - PHYSIK DER ATMOSPHÄRISCHEN GRENZSCHICHT. - 1 Der Grenzschicht-Begriff. - 1.1 Die Atmosphärische Grenzschicht, der unterste Teil der Troposphäre. - 1.2 Der Grenzschicht-Begriff in der allgemeinen Strömungslehre. - 1.3 Anwendung der Bewegungsgleichung. - 1.4 Gedanklicher Übergang zur Atmosphärischen Grenzschicht. - 1.5 Skalenanalyse. - 1.5.1 Beispiel 1: Thermische Diffusion bei vorgegebener charakteristischer Länge. - 1.5.2 Beispiel 2: Höhe einer stationären Laborgrenzschicht. - 1.5.3 Beispiel 3: Höhe einer stationären Atmosphärischen Grenzschicht. - 1.6 Dimensionsanalyse. - 1.7 Unterschiedliche Definitionen der Grenzschichthöhe aus dem Profilverlauf. - 1.8 Typen der Atmosphärischen Grenzschicht. - 2 Flussdichten. - 2.1 Turbulenz. - 2.2 Formulierung von Flussdichten. - 2.2.1 Die transportierte Eigenschaft ist ein Skalar. - 2.2.2 Die transportierte Eigenschaft ist die Komponente eines Vektors. - 2.2.3 Der molekulare Impulstransport. - 3 Die hydrodynamischen Grundgleichungen. - 3.1 Die Komponentenschreibweise. - 3.2 Die Kontinuitätsgleichung. - 3.3 Die Gasgleichung. - 3.4 Skalenanalyse von mit Fluktuationsgrößen gebildeten Termen. - 3.5 Die Bewegungsgleichung. - 3.6 Die Haushaltsgleichungen für die fühlbare Wärme und den Wasserdampf. - 3.7 Die Randbedingungen. - 4 Haushaltsgleichungen von Größen, die dieTurbulenz beschreiben. - 4.1 Die Haushaltsgleichung für die turbulente kinetische Energie. - 4.2 Weitere Gleichungen fur kinetische Energien. - 4.3 Allgemeines über Haushaltsgleichungen für Momente zweiter Ordnung. - 4.4 Spektraler Transfer. - 4.5 Quantitative Beispiele. - 5 Die Parametrisierung. - 5.1 Das Problem. - 5.2 Die Schließung erster Ordnung. - 5.2.1 Der K-Ansatz und die Theorie des Mischungsweges. - 5.2.2 Der Differenzen-Ansatz. - 5.3 Schließungen höherer Ordnung. - 6 Dynamik der Ekman-Schicht. - 6.1 Die Ekman-Spirale in der Atmosphäre. - 6.1.1 Die Ekman-Gleichungen. - 6.1.2 Lösung der Ekman-Gleichungen mit KM = const. - 6.1.3 Lösung der Ekman-Gleichungen mit höhenabhängigem KM. - 6.1.4 Darstellung und Interpretation der Lösungen. - 6.2 Die vertikale Struktur der Atmosphärischen Grenzschicht. - 6.2.1 Die Höhe der Prandtl-Schicht. - 6.2.2 Die Höhe der dynamischen Grenzschicht. - 6.2.3 Das Gesamtbild der Struktur der horizontal homogenen dynamischen Grenzschicht. - 6.3 Die Ekman-Spirale im Ozean. - 7 Die Prandtl-Schicht. - 7.1 Das logarithmische Windprofil bei neutraler Schichtung. - 7.2 Überlegungen zum diabatischen Windprofil. - 7.3 Stabilitätsbetrachtungen. - 7.4 Das Turbulenzkriterium von L.F. Richardson. - 7.5 Die Ähnlichkeitstheorie von Monin und Obukhov. - 7.6 Das aus der Ähnlichkeitstheorie folgende Windprofil. - 7.7 Allgemeine Formulierung der Profilbeziehungen. - 7.8 Die Bestimmung der Funktionen φ (ζ) und j (ζ). - 7.9 Die Bulk-Transportkoeffizienten oder -widerstände. - 7.10 Weitere Gesetzmäßigkeiten der Prandtl-Schicht. - 8 Die Rossby-Zahl-Ähnlichkeitstheorie. - 8.1 Grundlagen. - 8.2 Die Widerstandsgesetze der AGS. - 8.3 Einfache Modelle für die gesamte AGS. - 9 Die konvektive Grenzschicht. - 9.1 Einordnung in die Grundtypen der AGS. - 9.2 Ähnlichkeitsbetrachtungen. - 9.3 Die beobachtete Struktur der konvektiven Grenzschicht. - 9.4 Konzeptionelle Modelle. - 9.4.1 Die Grundstruktur der konvektiven Grenzschicht. - 9.4.2 Die trockene konvektive Grenzschicht. - 9.4.3 Die konvektive Grenzschicht mit Wolken (feuchte CBL). - 10 Die stabile Grenzschicht. - 10.1 Das Phänomen. - 10.2 Der nächtliche Grenzschicht-Strahlstrom. - TEIL II - MIKROMETEOROLOGIE. - 11 Die Energiebilanz an der Erdoberfläche. - 11.1 Die Strahlungsbilanz. - 11.2 Der Bodenwärmestrom. - 11.3 Die Energiebilanzterme über wirklichen Oberflächen. - 11.4 Zusammenhänge zwischen den Energiebilanztermen. - 11.5 Messung der Energiebilanzterme. - 11.6 Beispiele. - 12 Mikroklimate. - 12.1 Definition. - 12.2 Beispiele. - 12.3 Interne Grenzschichten. - 13 Das Bestandsklima. - 13.1 Eigenschaften einer Vegetationsdecke. - 13.2 Die Verdunstung. - 13.2.1 Photosynthese und Respiration. - 13.2.2 Die potentielle Verdunstung. - 13.2.3 Die aktuelle Verdunstung. - 13.3 Boden-Vegetation-Atmosphäre-Wechselwirkung (SVAT). - 14 Mikrometeorologie über Schnee- und Eisoberflächen. - 14.1 Problematik und einige Phänomene. - 14.2 Freie und bedeckte Ablation. - 14.2.1 Grundlagen für ein einfaches Modell. - 14.2.2 Freie Ablation. - 14.2.3 Bedeckte Ablation. - 14.2.4 Ablationsdiagramme. - Anhang - Zur Geschichte der Grenzschicht-Meteorologie. - Literaturverzeichnis. - Sachverzeichnis.

Note: Zugl.: Bremen, Univ., Diss., 2006

Note: Zugl.: Bremen, Univ., Diss., 2005

Note: Zugl.: Bremen, Univ., Diss., 2006

Note: Contents: Preface. - About the author. - 1 Introduction. - 2 Terminlogy, standards, and mass spectrometry. - 3 Equilibrium isotopic fractionation. - 4 The hydrosphere. - 5 The oceans. - 6 Biogenic carbonates: oxygen. - 7 Carbon in the low-temperature enviroment. - 8 Low-temperature minerals, exclusive of carbonates. - 9 Nitrogen. - 10 Sulfur. - 11 Igneous petrology. - 12 Metamorphic geology. - 13 Extraterrestrial materials. - Appendix A: Standard reference materials for stable isotopes. - Appendix B: Sample calculation of the correction procedure for adjusting measured isotope data to accepted IAEA Reference Scales. - Index

Note: Inhaltsverzeichnis Vorwort und Dank Zusammenfassung Abstract Inhaltsverzeichnis Abbildungsverzeichnis 1. Einführung 1.1. Allgemeinwissenschaftliche Methodologie 1.1.1. Wissenschaftliche Begriffe: Erklärungen und Definitionen 1.1.2. Einige Bemerkungen zu den allgemeinwissenschaftlichen Grundlagen 1.2. Vergleichsanalyse der Naturwissenschaften 1.3. Über den Forschungsstand und die Hauptprobleme der Geomorphologie 1.4. Ziel und Problemstellung 2. Einführung in die Geomorphologie 2.1. Geomorphologische Primärbegriffe: Erdoberfläche und Georelief 2.1.1. Oberfläche, Erdoberfläche 2.1.2. Relief, Georelief 2.2. Geomorphologie als Lehre über das Relief der Erdoberfläche 3. Geomorphographie (Bestandteile des Georeliefs) 3.1. Fazette (Hang) als elementare Einheit des Georeliefs und ihre Parameter 3.1.1. Fazette (Hang) als "energetische" Homogenität 3.2.Reliefformen 3.3. Ranggrößen des Georeliefs 4. Geomorphogenese (Kinematik und Dynamik der Georeliefentstehung und -entwicklung) 4.1. Begriffe "Genesis" des Georeliefs und "geomorphologische Grenze" 4.1.1. Genetische Aufteilung des Georeliefs 4.1.2. Geomorphologische Grenzen und Verhältnisse zwischen Hängen 4.2. Entstehung und Entwicklung des Disjunktivreliefs (DR) 4.2.1. Definition und Axiome des Disjunktivreliefs 4.2.2. "Bewegliche Schicht" (Verwitterungsschicht) auf den Hängen des DR 4.2.3. Gesetze der Denudation (Entwicklung des DR) und ihre Beweisführung 4.2.4. Realer Verlauf und empirische Beweise der Gesetze der Entwicklung des DR 4.2.5. Einwirkung der Umwelt und die Gesetze der Entwicklung des DR 4.2.6. Gesetze und Mechanismus der Entstehung der Disjunktivhänge 4.2.6.1. Entstehung der Disjunktivhänge (Abbruchwand und ihre Transformation) 4.2.6.2. Kurze Analyse der Fehler des Modells von W. PENCK 4.2.7. Übergang zur denudativen Entwicklung der Disjunktivhänge 4.2.8. Empirische Bestätigungen des Modells der Entstehung von Disjunktivhängen 4.3. Entstehung und Entwicklung des Sedimentationsreliefs (SR) 4.3.1. Definition und Axiome des Sedimentationsreliefs 4.3.2. Gesetze der Entwicklung des SR und ihre Beweisführung 4.3.3. Empirische Beweise der Gesetze der Akkumulation 4.3.4. Theoretische Folgen der Gesetze der Akkumulation 4.4. Geologische Prozesse und Erscheinungen 4.4.1. Disjunktive geologische Erscheinungen (Prozesse) 4.4.2. Denudative geologische Prozesse und ihre geomorphologische Äußerung 4.4.2.1. Denudation durch die äußeren beweglichen Medien 4.4.2.2. Gravitative geologische Denudationsprozesse und Verwitterung der Gesteine 4.4.2.3. Empirische Daten zu den gravitativen Denudationsprozessen 4.4.3. Akkumulative geologische Prozesse und ihre geomorphologische Äußerung 5. Historische Geomorphologie (Geomorphostratigraphie) 5.1. Raum und Zeit (Struktur und Alter) in der Geomorphologie 5.2. Chronologische Verhältnisse zwischen Disjunktivhängen 5.2.1. Chronologische Eigenschaften des SR 5.3. Geomorphostratigraphie und morphestratigraphische Modeliierung 5.3.1. Morphestratigraphische Einheiten des DR und Prinzipien der Geomorphostratigraphie 5.3.2. Denudationsbasis als Grundlage der morphestratigraphischen Modelle 5.3.3. Grundlage der Erstellung eines morphestratigraphischen Modells des Georeliefs 5.3.4. Deformationen der Geomorphostruktur 5.3.5. Empirische Bestätigung der Anwendbarkeit des morphestratigraphischen Modells 5.4. Genetische Eigenschaften, Dynamik und Entwicklung des Georeliefs 5.4.1. Genesis des Georeliefs als eine Grundlage paläogeographischer Rekonstruktionen 5.4.2. Über Dynamik und Entwicklung des Georeliefs 6. Hauptklassifikationen der Georeliefeinheiten und geologischen Prozesse 6.1. Rangierung des Georeliefs 6.2. Allgemeine morphologische Klassifikation des Georeliefs 6.3. Allgemeine genetische Klassifikation des Mikroreliefs 6.4. Allgemeine Klassifikationen der geologischen Prozesse 6.4.1. Klassifizierung der Reliefformen und geologischer Prozesse für das Makro- und Mesoreliefs 6.5. Klassifikation chronologischer Georeliefeinheiten und ihre empirische Grundlage Schlussteil Literatur Anlage Autor Kartographische Bausteine , Zusammenfassung in deutscher, englischer und russischer Sprache