ALBERT

Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG

Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG

Note: Zugleich: Dissertation, Christian-Albrechts-Universität zu Kiel, 1999 , INHALTSVERZEICHNIS 1. Einleitung 1.1 Kenntnisstand und offene Fragen 1.2 Fragestellung und Ziele dieser Arbeit 2. Umweltbedingungen in den Arbeitsgebieten 2.1 Hydrographie, Eisverhältnisse und NAO 2.2 Zur Variation von Wassertiefe und Breite der Dänemarkstraße und zur Vereisung Islands während des letzten Glazials 3. Methoden 3.1 Auswahl der Kernstationen 3.2 Probennahme und Analysen (Übersicht) 3.3 Zur Rekonstruktion von Paläobedingungen im Oberflächenwasser Zur Aussage stabiler Isotopenverhältnisse in planktischen Foraminiferen Zur Messung stabiler Isotopenverhältnisse Zur Massenspektrometrie Zur Rekonstruktion von Oberflächentemperaturen Alkane und Alkohole als Maß für Staubeintrag Eistranspmtiertes Material und vulkanische Aschen 3.4 Zur Rekonstruktion von Paläobedingungen im Zwischen-/ Tiefenwasser Häufigkeit von Cibicides- und anderen benthischen Arten (inkl. Taxonomie) Stabile Isotopenverhältnisse in benthischen Foraminiferen 3.5 AMS 14C-Datierungen Probenreinigung 3. 6 Hauptelementanalysen von vulkanischen Asche-Leithorizonten 3. 7 Geomagnetische Meßgrößen und magnetische Suszeptibiltät 3.8 Techniken zur Spektralanalyse 4. Methodische Ergebnisse 4.1 Zum Einfluß der Probenreinigung auf δ18O-/ δ13C-Werte 4.2 Probleme bei der langfristigen Reproduzierbarkeit von δ18O-Zeitreihen 4.3 Einfluß der Korngröße und Artendefinition planktischer Foraminiferen auf SST-Rekonstruktionen in hohen Breiten 4.4 Vergleich der stabilen Isotopenwerte von Cibicides lobatulus und Cibicidoides wuellerstorfi 5. Stratigraphische Grundlagen und Tiefenprofile der Klimasignale 5.1 Stratigraphische Korrelation zwischen parallel-gekernten GKG- und SL-/KL-Profilen 5.2 Flanktische δ18O-/ δ13C-Kurven, 14C-Alter und biostratigraphische Fixpunkte Westliches Islandbecken Kern PS2644 Kern PS2646 Kern PS2647 Kern 23351 Vøring-Plateau Kern 23071 Kern 23074 5.3 Benthische δ18O-/ δ13C-Werte in Kern PS2644 5.4 Siliziklastische Sedimentkomponenten: Eistransportiertes Material Westliches Islandbecken Kern PS2644 Kern PS2646 Kern PS2647 Vøring-Plateau Kern 23071 Kern 23074 5.5 Vulkanische Glasscherben in Kern PS2644: Wind- und Eiseintrag 5.6 Geochemie und Alter einzelner Tephralagen als Leithorizonte Westliches Islandbecken Kern PS2644 Kern PS2646 Kern PS2647 Vøring-Plateau Kern 23071 Kern 23074 5.7 Magnetische Suszeptibilität in den Kernen PS2644, PS2646 und PS2647 Kern PS2644 Kern PS2646 und PS2647 5.8 Geomagnetische Feldintensität und Richtungsänderungen in Kern PS2644 5.9 Variation von Planktonfauna und -flora Westliches Islandbecken: Kern PS2644 Kern PS2646 und PS2647 Vøring-Plateau: Kern 23071 und 23074 5.10 Benthische Foraminiferen in Kern PS2644 6. Entwicklung von Temperatur und Salzgehalt nördlich der Dänemark-Straße 6.1 Variation der Oberflächentemperatur nach Planktonforaminiferen 6.2 Variation der Oberflächentemperatur nach Uk37 6.3 Variation der Oberflächensalinität 7. Die Feinstratigraphie von Kern PS2644 als Basis für eine Eichung der 14C-Altersskala 22 - 55 ka 7.1 Korrelation zwischen den Klimasignalen in Kern PS2644 und der GISP2-Klimakurve zum Kalibrieren der 14C-Alter und Erstellen eines Altersmodells Tephrachronologische Marker Korrelationsparameter und -regeln Sonderfälle/ Probleme bei der Korrelation 7.2 Alters-stratigraphische Korrelation der Klimakurven von Kern 23071 und 23074 7.3 Variation der Altersanomalien zwischen 20 und 55 14C-ka 7.4 Variabilität des planktischen 14C-Reservoiralters in Schmelzwasserbeeinflußten Seegebieten Variation der planktischen 14C-Alter unmittelbar an der Basis von Heinrich-Ereignis 4 Unterschiede zwischen planktischen und benthischen 14C-Altern in der westlichen Islandsee. Zur Erklärung der inversen Altersdifferenzen 7.5 Differenz zwischen 14C- und Kalenderalter: Zeitliche Variation unter Einfluß des Erdmagnetfeldes - Modell und Befund 7.6 Sedimentationsraten der Kerne 23071, 23074 und PS2644 nach dem GISP2-Altersmodell Vøring-Plateau: Kerne 23071 und 23074 Südwest-Islandsee: Kern PS2644 8. Klimaoszillationen im Europäischen Nordmeer in der Zeit und Frequenzdomäne 8.1 "Der Einzelzyklus" in den Klimakurven von Kern PS2644 8.2 Zur Veränderlichkeit der Warm- und Kaltextreme sowie Zyklenlänge Besonderheiten in der Zyklenlänge Variation der Kalt-(Stadiale) Variation der Interstadiale 8.3 Periodizitäten der Klimasignale im Frequenzband der D.-Oe.-Zyklen. Der D.-Oe.-Zyklus von 1470 J., seine Multiplen und harmonischen Schwingungen Weitere Frequenzen: 1000-1150 Jahre- und 490- 510 Jahre-Zyklizitäten Höhere Frequenzen im Bereich von Jahrhunderten und Dekaden 8.4 Phasenbeziehungen und (örtliche) Steuemngsmechanismen der Dansgaard-Oeschger-Zyklen 9. Schlußfolgerungen Danksagung Literaturverzeichnis Anhang

Note: Contents: SUMMARY. - 1 INTRODUCTION. - Study Context and Charge to the Committee. - Study Approach and Methodology. - Report Organization. - 2 RATIONALE FOR CONTINUED ARCTIC RESEARCH. - 3 EMERGING QUESTIONS. - Evolving Arctic. - Will Arctic communities have greater or lesser influence on their futures?. - Will the land be wetter or drier, and what are the associated implications for surface water, energy balances, and ecosystems?. - How much of the variability of the Arctic system is linked to ocean circulation?. - What are the impacts of extreme events in the new ice-reduced system?. - How will primary productivity change with decreasing sea ice and snow cover?. - How will species distributions and associated ecosystem structure change with the evolving cryosphere?. - Hidden Arctic. - What surprises are hidden within and beneath the ice?. - What is being irretrievably lost as the Arctic changes?. - Why does winter matter?. - What can "break or brake" glaciers and ice sheets?. - How unusual is the current Arctic warmth?. - What is the role of the Arctic in abrupt change?. - What has been the Cenozoic evolution of the Arctic Ocean Basin?. - Connected Arctic. - How will rapid Arctic warming change the jet stream and affect weather patterns in lower latitudes?. - What is the potential for a trajectory of irreversible loss of Arctic land ice, and how will its impact vary regionally?. - How will climate change affect exchanges between the Arctic Ocean andsubpolar basins?. - How will Arctic change affect the long-range transport and persistence of biota?. - How will changing societal connections between the Arctic and the rest of the world affect Arctic communities?. - Managed Arctic. - How will decreasing populations in rural villages and increasing urbanization affect Arctic peoples and societies?. - Will local, regional, and international relations in the Arctic move toward cooperation or conflict?. - How can 21st-century development in the Arctic occur without compromising the environment or indigenous cultures while still benefiting global and Arctic inhabitants?. - How can we prepare forecasts and scenarios to meet emerging management needs?. - What benefits and risks are presented by geoengineering and other large-scale technological interventions to prevent or reduce climate change and associated impacts in the Arctic?. - Undetermined Arctic. - Priority Setting. - 4 MEETING THE CHALLENGES. - Enhancing Cooperation. - Interagency. - International. - Interdisciplinary. - Intersectoral. - Cooperation through Social Media. - Sustaining Long-Term Observations. - Rationale for Long-Term Observations. - Coordinating Long-Term Observation Efforts. - Managing and Sharing Information. - Preserving the Legacy of Research through Data Preservation and Dissemination. - Creating a Culture of Data Preservation and Sharing. - Infrastructure to Ensure Data Flows from Observation to Users, Stakeholders, and Archives. - Data Visualization and Analysis. - Maintaining and Building Operational Capacity. - Mobile Platforms. - Fixed Platforms and Systems. - Remote Sensing. - Sensors. - Power and Communication. - Models in Prediction, Projection, and Re-Analyses. - Partnerships with Industry. - Growing Human Capacity. - Community Engagement. - Investing in Research. - Comprehensive Systems and Synthesis Research. - Non-Steady-State Research. - Social Sciences and Human Capacity. - Stakeholder-Initiated Research. - International Funding Cooperation. - Long-Term Observations. - 5 BUILDING KNOWLEDGE AND SOLVING PROBLEMS. - REFERENCES. - APPENDIXES. - A Acronyms and Abbreviations. - B Speaker and Interviewee Acknowledgments. - C Summary of Questionnaire Responses. - D Biographical Sketches of Committee Members.

Note: Contents: Preface. - 1 Introduction and datatypes. - 1.1 Why ordination?. - 1.2 Datatypes. - 1.3 Data transformation and standardisation. - 1.4 Missing values. - 1.5 Types of analyses. - 2 Using Canoco 5. - 2.1 Philosophy of Canoco 5. - 2.2 Data import and editing. - 2.3 Defining analyses. - 2.4 Visualising results. - 2.5 Beware, CANOCO 4.x users!. - 3 Experimental design. - 3.1 Completely randomised design. - 3.2 Randomised complete blocks. - 3.3 Latin square design. - 3.4 Pseudo replicates. - 3.5 Combining more than one factor. - 3.6 Following the development of objects in time: repeated observations. - 3.7 Experimental and observational data. - 4 Basics of gradient analysis. - 4.1 Techniques of gradient analysis. - 4.2 Models of response to gradients. - 4.3 Estimating species optima by weighted averaging. - 4.4 Calibration. - 4.5 Unconstrained ordination. - 4.6 Constrained ordination. - 4.7 Basic ordination techniques. - 4.8 Ordination axes as optimal predictors. - 4.9 Ordination diagrams. - 4.10 Two approaches. - 4.11 Testing significance of the relation with explanatory variables. - 4.12 Monte Carlo permutation tests for the significance of regression. - 4.13 Relating two biotic communities. - 4.14 Community composition as a cause: using reverse analysis. - 5.1 Permutation tests: the philosophy. - 5.2 Pseudo-F statistics and significance. - 5.3 Testing individual constrained axes. - 5.4 Tests with spatial or temporal constraints. - 5.5 Tests with hierarchical constraints. - 5.6 Simple versus conditional effects and stepwises election. - 5.7 Variation partitioning. - 5.8 Significance adjustment for multiple tests. - 6 Similarity measures and distance-based methods. - 6.1 Similarity measures for presence-absence data. - 6.2 Similarity measures for quantitative data. - 6.3 Similarity of cases versus similarity of communities. - 6.4 Similarity between species in trait values. - 6.5 Principal coordinates analysis. - 6.6 Constrained principal coordinates analysis (db-RDA). - 6.7 Non-metric multidimensional scaling. - 6.8 Mantel test. - 7.1 Example data set properties. - 7.2 Non-hierarchical classification (K-means clustering). - 7.3 Hierarchical classification. - 7.4 TWINSPAN. - 8 Regression methods. - 8.1 Regression models in general. - 8.2 General linear model: terms. - 8.3 Generalized linear models (GLM). - 8.4 Loess smoother. - 8.5 Generalized additive models (GAM). - 8.6 Mixed-effect models (LMM, GLMM and GAMM). - 8.7 Classification and regression trees (CART). - 8.8 Modelling species response curves with Canoco. - 9 Interpreting community composition with functional traits. - 9.1 Required data. - 9.2 Two approaches in traits - environment studies. - 9.3 Community-based approach. - 9.4 Species-based approach. - 10 Advanced use of ordination. - 10.1 Principal response curves (PRC). - 10.2 Separating spatial variation. - 10.3 Linear discriminant analysis. - 10.4 Hierarchical analysis of community variation. - 10.5 Partitioning diversity indices into alpha and beta components. - 10.6 Predicting community composition. - 11 Visualising multivariate data. - 11.1 Reading ordination diagrams of linear methods. - 11.2 Reading ordination diagrams of unimodal methods. - 11.3 Attribute plots. - 11.4 Visualising classification, groups, and sequences. - 11.5 T-value biplot. - 12 Case study 1: Variation in forest bird assemblages. - 12.1 Unconstrained ordination: portraying variation in bird community. - 12.2 Simple constrained ordination: the effect of altitude on bird community. - 12.3 Partial constrained ordination: additional effect of other habitat characteristics. - 12.4 Separating and testing alpha and beta diversity. - 13 Case study 2: Search for community composition patterns and their environmental correlates: vegetation of spring meadows. - 13.1 Unconstrained ordination. - 13.2 Constrained ordination. - 13.3 Classification. - 13.4 Suggestions for additional analyses. - 13.5 Comparing two communities. - 14 Case study 3: Separating the effects of explanatory variables. - 14.1 Introduction. - 14.2 Data. - 14.3 Changes in species richness and composition. - 14.4 Changes in species traits. - 15 Case study 4: Evaluation of experiments in randomised complete blocks. - 15.1 Introduction. - 15.2 Data. - 15.3 Analysis. - 15.4 Calculating ANOVA using constrained ordination. - 16 Case study 5: Analysis of repeated observations of species composition from a factorial experiment. - 16.1 Introduction. - 16.2 Experimental design. - 16.3 Data coding and use. - 16.4 Univariate analyses. - 16.5 Constrained ordinations. - 16.6 Principal response curves. - 16.7 Temporal changes across treatments. - 16.8 Changes in composition of functional traits. - 17 Case study 6: Hierarchical analysis of crayfish community variation. - 17.1 Data and design. - 17.2 Differences among sampling locations. - 17.3 Hierarchical decomposition of community variation. - 18 Case study 7: Analysis of taxonomic data with discriminant analysis and distance-based ordination. - 18.1 Data. - 18.2 Summarising morphological data with PCA. - 18.3 Linear discriminant analysis of morphological data. - 18.4 Principal coordinates analysis of AFLP data. - 18.5 Testing taxon differences in AFLP data using db-RDA. - 18.6 Taking populations into account. - 19 Case study 8: Separating effects of space and environment on oribatid community with PCNM. - 19.1 Ignoring the space. - 19.2 Detecting spatial trends. - 19.3 All-scale spatial variation of community and environment. - 19.4 Variation partitioning with spatial predictors. - 19.5 Visualising spatial variation. - 20 Case study 9: Performing linear regression with redundancy analysis. - 20.1 Data. - 20.2 Linear regression using program R. - 20.3 Linear regression with redundancy analysis. - 20.4 Fitting generalized linear models in Canoco. - Appendix A Glossary. - Appendix B Sample data sets and projects. - Appendix C Access to Canoco and overview of other software. - Appendix D Working with R. - References. - Index to useful tasks in Canoco 5. - Subject index.

Note: Contents: Series foreword. - Preface. - Select bibliography. - The authors. - 1 Observed flow in the Earth's midlalitudes. - 1.1 Vertical structure. - 1.2 Horizontal structure. - 1.3 Transient activity. - 1.4 Scales of motion. - 1.5 The Norwegian frontal model of cyclones. - Theme 1 Fluid dynamics of the midlatitude atmosphere. - 2 Fluid dynamics in an inertial frame of reference. - 2.1 Definition of fluid. - 2.2 Flow variables and the continuum hypothesis. - 2.3 Kinematics: characterizing fluid flow. - 2.4 Governing physical principles. - 2.5 Lagrangian and Eulerian perspectives. - 2.6 Mass conservation equation. - 2.7 First Law of Thermodynamics. - 2.8 Newton's Second Law of Motion. - 2.9 Bernoulli's Theorem. - 2.10 Heating and water vapour. - 3 Rotating frames of reference. - 3.1 Vectors in a rotating frame of reference. - 3.2 Velocity and Acceleration. - 3.3 The momentum equation in a rotating frame. - 3.4 The centrifugal pseudo-force. - 3.5 The Coriolis pseudo-force. - 3.6 The Taylor-Proudman theorem. - 4 The spherical Earth. - 4.1 Spherical polar coordinates. - 4.2 Scalar equations. - 4.3 The momentum equations. - 4.4 Energy and angular momentum.- 4.5 The shallow atmosphere approximation. - 4.6 The beta effect and the spherical Earth. - 5 Scale analysis and its applications. - 5.1 Principles of scaling methods. - 5.2 The use of a reference atmosphere. - 5.3 The horizontal momentum equations. - 5.4 Natural coordinates, geostrophic and gradient wind balance. - 5.5 Vertical motion. - 5.6 The vertical momentum equation. - 5.7 The mass continuity equation. - 5.8 The thermodynamic energy equation. - 5.9 Scalings for Rossby numbers that are not small. - 6 Alternative vertical coordinates. - 6.1 A general vertical coordinate. - 6.2 Isobaric coordinates. - 6.3 Other pressure-based vertical coordinates. - 6.4 Isentropic coordinates. - 7 Variations of density and the basic equations. - 7.1 Boussinesq approximation. - 7.2 Anelastic approximation. - 7.3 Stratification and gravity waves. - 7.4 Balance, gravity waves and Richardson number. - 7.5 Summary of the basic equation sets. - 7.6 The energy of atmospheric motions. - Theme 2 Rotation in the atmosphere. - 8 Rotation in the atmosphere. - 8.1 The concept of vorticity. - 8.2 The vorticity equation. - 8.3 The vorticity equation for approximate sets of equations. - 8.4 The solenoidal term. - 8.5 The expansion/contraction term. - 8.6 The stretching and tilting terms. - 8.7 Friction and vorticity. - 8.8 The vorticity equation in alternative vertical coordinates. - 8.9 Circulation. - 9 Vorticity and the barotropic vorticity equation. - 9.1 The barotropic vorticity equation. - 9.2 Poisson's equation and vortex interactions. - 9.3 Flow over a shallow hill. - 9.4 Ekman pumping. - 9.5 Rossby waves and the beta plane. - 9.6 Rossby group velocity. - 9.7 Rossby ray tracing. - 9.8 Inflexion point instability. - 10 Potential vorticity. - 10.1 Potential vorticity. - 10.2 Alternative derivations of Ertel's theorem. - 10.3 The principle of invertibility. - 10.4 Shallow water equation potential vorticity. - 11 Turbulence and atmospheric flow. - 11.1 The Reynolds number . - 11.2 Three-dimensional flow at large Reynolds number. - 11.3 Two-dimensional flow at large Reynolds number. - 11.4 Vertical mixing in a stratified fluid. - 11.5 Reynolds stresses. - Theme 3 Balance in atmospheric flow. - 12 Quasi-geostrophic flows. - 12.1 Wind and temperature in balanced flows. - 12.2 The quasi-geostrophic approximation. - 12.3 Quasi-geostrophic potential vorticity. - 12.4 Ertel and quasi-geostrophic potential vorticities. - 13 The omega equation. - 13.1 Vorticity and thermal advection form. - 13.2 Sutcliffe Form. - 13.3 Q-vector form. - 13.4 Ageostrophic flow and the maintenance of balance. - 13.5 Balance and initialization. - 14 Linear theories of baroclinic instability. - 14.1 Qualitative discussion. - 14.2 Stability analysis of a zonal flow. - 14.3 Rossby wave interpretation of the stability conditions. - 14.4 The Eady model. - 14.5 The Charney and other quasi-geostrophic models. - 14.6 More realistic basic states. - 14.7 Initial value problem. - 15 Frontogenesis. - 15.1 Frontal scales. - 15.2 Ageostrophic circulation. - 15.3 Description of frontal collapse. - 15.4 The semi-geostrophic Eady model. - 15.5 The confluence model. - 15.6 Upper-level frontogenesis. - 16 The nonlinear development of baroclinic waves. - 16.1 The nonlinear domain. - 16.2 Semi-geostrophic baroclinic waves. - 16.3 Nonlinear baroclinic waves on realistic jetson the sphere. - 16.4 Eddy transports and zonal mean flow changes. - 16.5 Energetics of baroclinic waves. - 17 The potential vorticity perspective. - 17.1 Setting the scene. - 17.2 Potential vorticity and vertical velocity. - 17.3 Life cycles of some baroclinic waves. - 17.4 Alternative perspectives. - 17.5 Midlatitude blocking. - 17.6 Frictional and heating effects. - 18 Rossby wave propagation and potential vorticity mixing. - 18.1 Rossby wave propagation. - 18.2 Propagation of Rossby waves into the stratosphere. - 18.3 Propagation through a slowly varying medium. - 18.4 The Eliassen-Palm flux and group velocity. - 18.5 Baroclinic life cycles and Rossby waves. - 18.6 Variations of amplitude. - 18.7 Rossby waves and potential vorticity steps. - 18.8 Potential vorticity steps and the Rhines scale. - Appendices. - Appendix A: Notation. - Appendix B: Revision of vectors and vector calculus. - B.1 Vectors and their algebra. - B.2 Products of vectors. - B.3 Scalar fields and the grad operator. - B.4 The divergence and curl operators. - B.5 Gauss' and Stokes' theorems. - B.6 Some useful vector identities. - Index.

Note: Contents: Preface. - 1. Introduction. - 1.1. Relations among Thermodynamics, Kinetics, and Cloud Microphysics. - 1.2. The Correspondence Principle. - 1.3. Structure of the Book. - 2. Clouds and Their Properties. - 2.1. Cloud Classification. - 2.2. Cloud Regimes and Global Cloud Distribution. - 2.2.1. Large-Scale Condensation in Fronts and Cyclones. - 2.2.2. Sc-St Clouds and Types of Cloud-Topped Boundary Layer. - 2.2.3. Convective Cloudiness in the Intertropical Convergence Zone. - 2.2.4. Orographic Cloudiness. - 2.3. Cloud Microphysical Properties. - 2.4. Size Spectra and Moments. - 2.4.1. Inverse Power Laws. - 2.4.2. Lognormal Distributions. - 2.4.3. Algebraic Distributions. - 2.4.4. Gamma Distributions. - 2.5. Cloud Optical Properties. - Appendix A.2. Evaluation of the Integrals with Lognormal Distribution. - 3. Thermodynamic Relations. - 3.1. Thermodynamic Potentials. - 3.2. Statistical Energy Distributions. - 3.2.1. The Gibbs Distribution. - 3.2.2. The Maxwell Distribution. - 3.2.3. The Boltzmann Distribution. - 3.2.4. Bose–Einstein Statistics. - 3.2.5. Fermi–Dirac Statistics. - 3.3. Phase Rules. - 3.3.1. Bulk Phases. - 3.3.2. Systems with Curved Interfaces. - 3.4. Free Energy and Equations of State. - 3.4.1. An Ideal Gas. - 3.4.2. Free Energy and the van der Waals Equation of State for a Non-Ideal Gas. - 3.5. Thermodynamics of Solutions. - 3.6. General Phase Equilibrium Equation for Solutions. - 3.6.1. General Equilibrium Equation. - 3.6.2. The Gibbs–Duhem Relation. - 3.7. The Clausius–Clapeyron Equation. - 3.7.1. Equilibrium between Liquid and Ice Bulk Phases. - 3.7.2. Equilibrium of a Pure Water Drop with Saturated Vapor. - 3.7.3. Equilibrium of an Ice Crystal with Saturated Vapor. - 3.7.4. Humidity Variables. - 3.8. Phase Equilibrium for a Curved Interface - The Kelvin Equation. - 3.9. Solution Effects and the Köhler Equation. - 3.10. Thermodynamic Properties of Gas Mixtures and Solutions. - 3.10.1. Partial Gas Pressures in a Mixture of Gases. - 3.10.2. Equilibrium of Two Bulk Phases around a Phase Transition Point. - 3.10.3. Raoult’s Law for Solutions. - 3.10.4. Freezing Point Depression and Boiling Point Elevation. - 3.10.5. Relation of Water Activity and Freezing Point Depression. - 3.11. A diabatic Processes. - 3.11.1. Dry Adiabatic Processes. - 3.11.2. Wet Adiabatic Processes. - Appendix A.3. Calculation of Integrals with the Maxwell Distribution. - 4. Properties of Water and Aqueous Solutions. - 4.1. Properties of Water at Low Temperatures and High Pressures. - 4.1.1. Forms of Water at Low Temperatures. - 4.1.2. Forms of Water at High Pressures. - 4.2. Theories of Water. - 4.3. Temperature Ranges in Clouds and Equivalence of Pressure and Solution Effects. - 4.4. Parameterizations of Water and Ice Thermodynamic Properties. - 4.4.1. Saturated Vapor Pressures. - 4.4.2. Heat Capacity of Water and Ice. - 4.4.3. Latent Heats of Phase Transitions. - 4.4.4. Surface Tension between Water and Air or Vapor. - 4.4.5. Surface Tension between Ice and Water or Solutions. - 4.4.6. Surface Tension between Ice and Air or Vapor. - 4.4.7 Density of Water. - 4.4.8. Density of Ice. - 4.5. Heat Capacity and Einstein-Debye Thermodynamic Equations of State for Ice. - 4.6. Equations of State for Ice in Terms of Gibbs Free Energy. - 4.7. Generalized Equations of State for Fluid Water. - 4.7.1. Equations of the van der Waals Type and in Terms of Helmholtz Free Energy. - 4.7.2. Equations of State Based on the Concept of the Second Critical Point. - Appendix A.4. Relations among Various Pressure Units. - 5. Diffusion and Coagulation Growth of Drops and Crystals. - 5.1. Diffusional Growth of Individual Drops. - 5.1.1. Diffusional Growth Regime. - 5.1.2. The Kinetic Regime and Kinetic Corrections to the Growth Rate. - 5.1.3. Psychrometric Correction Due to Latent Heat Release. - 5.1.4. Radius Growth Rate. - 5.1.5. Ventilation Corrections. - 5.2. Diffusional Growth of Crystals. - 5.2.1. Mass Growth Rates. - 5.2.2. Axial Growth Rates. - 5.2.3. Ventilation Corrections. - 5.3. Equations for Water and Ice Supersaturations. - 5.3.1. General Form of Equations for Fractional Water Supersaturation. - 5.3.2. Supersaturation Relaxation Times and Their Limits. - 5.3.3. E quation for Water Supersaturation in Terms of Relaxation Times. - 5.3.4. Equivalence of Various Forms of Supersaturation Equations. - 5.3.5. Equation for Fractional Ice Supersaturation. - 5.3.6. Equilibrium Supersaturations over Water and Ice. - Liquid Clouds. - Ice Clouds. - Mixed Phase Clouds. - 5.3.7. A diabatic Lapse Rates with Non zero Supersaturations. - 5.4. The Wegener–Bergeron–Findeisen Process and Cloud Crystallization. - 5.5. Kinetic Equations of Condensation and Deposition in the Adiabatic Process. - 5.5.1. Derivation of the Kinetic Equations. - 5.5.2. Some Properties of Regular Condensation. - 5.5.3. Analytical Solution of the Kinetic Equations of Regular Condensation. - 5.5.4. Equation for the Integral Supersaturation. - 5.6. Kinetic Equations of Coagulation. - 5.6.1. Various Forms of the Coagulation Equation. - 5.6.2. Collection Kernels for Various Coagulation Processes. - Brownian Coagulation. - Gravitational Coagulation. - 5.7. Thermodynamic and Kinetic Equations for Multidimensional Models. - 5.8. Fast Algorithms for Microphysics Modules in Multidimensional Models. - 6. Wet Aerosol Processes. - 6.1. Introduction. - 6.1.1. Empirical Parameterizations of Hygroscopic Growth. - 6.1.2. Empirical Parameterizations of Droplet Activation. - 6.2. Equilibrium Radii. - 6.2.1. Equilibrium Radii at Subsaturation. - 6.2.2. Equilibrium Radii of Interstitial Aerosol in a Cloud. - 6.3. Critical Radius and Supersaturation. - 6.4. Aerosol Size Spectra. - 6.4.1. Lognormal and Inverse Power Law Size Spectra. - 6.4.2. Approximation of the Lognormal Size Spectra by the Inverse Power Law. - 6.4.3. Examples of the Lognormal Size Spectra, Inverse Power Law, and Power Indices. - 6.4.4. Algebraic Approximation of the Lognormal Distribution. - 6.5. Transformation of the Size Spectra of Wet Aerosol at Varying Humidity. - 6.5.1. Arbitrary Initial Spectrum of Dry Aerosol. - 6.5.2. Lognormal Initial Spectrum of Dry Aerosol. - 6.5.3. Inverse Power Law Spectrum. - 6.5.4. Algebraic Size Spectra. - 6.6. CCN Differential Supersaturation Activity Spectrum. - 6.6.1. A rbitrary Dry Aerosol Size Spectrum. - 6.6.2. Lognormal Activity Spectrum. - 6.6.3. Algebraic Activity Spectrum. - 6.7. Droplet Concentration and the Modified Power Law for Drops Activation. - 6.7.1. Lognormal and Algebraic CCN Spectra. - 6.7.2. Modified Power Law for the Drop Concentration. - 6.7.3. Supersaturation Dependence of Power Law Parameters. - Appendix A.6. Solutions of Cubic Equations for Equilibrium and Critical Radii. - 7. Activation of Cloud Condensation Nuclei into Cloud Drops. - 7.1. Introduction. - 7.2. Integral Supersaturation in Liquid Clouds with Drop Activation. - 7.3. Analytical Solutions to the Supersaturation Equation. - 7.4. Analytical Solutions for the Activation Time, Maximum Supersaturation, and Drop Concentration. - 7.5. Calculations of CCN Activation Kinetics. - 7.6. Four Analytical Limits of Solution. - 7.7. Limit #1: Small Vertical Velocity, Diffusional Growth Regime. - 7.7.1. Lower Bound. - 7.7.2. Upper Bound. - 7.7.3. Comparison with Twomey’s Power Law. - 7.8. Limit #2: Small Vertical Velocity, Kinetic Growth Regime. - 7.8.1. Lower Bound. - 7.8.2. Upper Bound. - 7.9. Limit #3: Large Vertical Velocity, Diffusional Growth Regime. - 7.9.1. Lower Bound. - 7.9.2. Upper Bound. - 7.10. Limit #4: Large Vertical Velocity, Kinetic Growth Regime. - 7.10.1. Lower Bound. - 7.10.2. Upper Bound. - 7.11. Interpolation Equations and Comparison with Exact Solutions. - Appendix A.7. Evaluation of the Integrals J2 and J3 for Four Limiting Cases. - 8. Homogeneous Nucleation. - 8.1. Metastable States and Nucleation of a New Phase. - 8.2. Nucleation Rates for Condensation and Deposition. - 8.2.1. Application of Boltzmann Statistics. - 8.2.2. The Fokker–Planck

Note: Contents: Preface. - Acknowledgments. - 1. Data Acquisition and Recording. - 1.1 Introduction. - 1.2 Basic Sampling Requirements. - 1.3 Temperature. - 1.4 Salinity. - 1.5 Depth or Pressure. - 1.6 Sea-Level Measurement. - 1.7 Eulerian Currents. - 1.8 Lagrangian Current Measurements. - 1.9 Wind. - 1.10 Precipitation. - 1.11 Chemical Tracers. - 1.12 Transient Chemical Tracers. - 2. Data Processing and Presentation. - 2.1 Introduction. - 2.2 Calibration. - 2.3 Interpolation. - 2.4 Data Presentation. - 3. Statistical Methods and Error Handling. - 3.1 Introduction. - 3.2 Sample Distributions. - 3.3 Probability. - 3.4 Moments and Expected Values. - 3.5 Common PDFs. - 3.6 Central Limit Theorem. - 3.7 Estimation. - 3.8 Confidence Intervals. - 3.9 Selecting the Sample Size. - 3.10 Confidence Intervals for Altimeter-Bias Estimates. - 3.11 Estimation Methods. - 3.12 Linear Estimation (Regression). - 3.13 Relationship between Regression and Correlation. - 3.14 Hypothesis Testing. - 3.15 Effective Degrees of Freedom. - 3.16 Editing and Despiking Techniques: The Nature of Errors. - 3.17 Interpolation: Filling the Data Gaps. - 3.18 Covariance and the Covariance Matrix. - 3.19 The Bootstrap and Jackknife Methods. - 4. The Spatial Analyses of Data Fields. - 4.1 Traditional Block and Bulk Averaging. - 4.2 Objective Analysis. - 4.3 Kriging. - 4.4 Empirical Orrhogonal Functions. - 4.5 Extended Empirical Orrhogonal Functions. - 4.6 Cyclostationary EOFs. - 4.7 Factor Analysis. - 4.8 Normal Mode Analysis. - 4.9 Self Organizing Maps. - 4.10 Kalman Filters. - 4.11 Mixed Layer Depth Estimation. - 4.12 Inverse Methods. - 5. Time Series Analysis Methods. - 5.1 Basic Concepts. - 5.2 Stochastic Processes and Stationarity. - 5.3 Correlation Functions. - 5.4 Spectral Analysis. - 5.5 Spectral Analysis (Parametric Methods). - 5.6 Cross-Spectral Analysis. - 5.7 Wavelet Analysis. - 5.8 Fourier Analysis. - 5.9 Harmonic Analysis. - 5.10 Regime Shift Detection. - 5.11 Vector Regression. - 5.12 Fractals. - 6. Digital Filters. - 6.1 Introduction. - 6.2 Basic Concepts. - 6.3 Ideal Filters. - 6.4 Design of Oceanographic Filters. - 6.5 Running-Mean Filters. - 6.6 Godin-Type Filters. - 6.7 Lanczos-window Cosine Filters. - 6.8 Butterworth Filters. - 6.9 Kaiser-Bessel Filters. - 6.10 Frequency-Domain (Transform) Filtering. - References. - Appendix A: Units in Physical Oceanography. - Appendix B: Glossary of Statistical Terminology. - Appendix C: Means, Variances and Moment,Generating Functions for Some Common Continuous Variables. - Appendix D: Statistical Tables. - Appendix E: Correlation Coefficients at the 5% and 1% Levels of Significance for Various Degrees of Freedom v. - Appendix F: Approximations and Nondimensional Numbers in Physical Oceanography. - Appendix G: Convolution. - Index.

Note: Inhaltsverzeichnis: 1. Einleitung. - 2. Atmosphärische Gleichungssysteme. - 2.1. Zur Notation. - 2.2. Geometrie im β-Kanal. - 2.3. Gleichungen in Flussform. - 2.4. Euler-Gleichungen. - 2.4.1. Energiegleichung. - 2.4.2. Bewegungsgleichungen. - 2.4.3. Flussform des gesamten Gleichungssystems. - 2.4.4. Schallgeschwindigkeit. - 2.4.5. Druck und Energie. - 2.4.6. Energie als Erhaltungsvariable. - 2.5. Euler-Gleichungen mit Referenzfeld. - 2.6. Linearisierte Euler-Gleichungen. - 2.7. Flachwassergleichungen. - 2.8. Flachwasseräquivalente Dynamik mit Euler-Gleichungen. - 3. Unstetiges Galerkin-Verfahren. - 3.1. Räumliche Diskretisierung. - 3.1.1. Integralform und numerischer Fluss. - 3.1.2. Koeffizientendarstellung der Gleichungen. - 3.1.3. Koordinatentransformation mit Orographie. - 3.1.4. Quadratur. - 3.1.5. Basisfunktionen im Rechteckgitter. - 3.1.6. Diskretisierung von analytischen Anfangsbedingungen. - 3.2. Zeitliche Diskretisierung. - 3.2.1. Expliziter Zeitschritt. - 3.2.2. Semi-impliziter Zeitschritt. - 3.2.3. Skalierung von Einheiten. - 3.2.4. Zeitschrittbestimmung. - 3.3. Randbedingungen. - 3.3.1. Periodische Randbedingungen. - 3.3.2. Reflektive Randbedingungen. - 3.3.3. Spezifische Randbedingungen für Euler-Gleichungen. - 3.3.4. Absorptionsschicht. - 3.4. Diffusion. - 4. Atmosphärische Gleichgewichtszustände. - 4.1. Anforderungen an stationäre Zustände. - 4.1.1. Verschwindende Advektion von Masse und potentieller Temperatur. - 4.1.2. Stationäre Impulsgleichung. - 4.2. Wind ohne Corioliskraft. - 4.3. Geostrophischer Wind. - 4.4. Vorgegebener Grundstrom mit einstellbarer Baroklinität. - 4.4.1. Lösungsalgorithmus. - 4.4.2. Zulässige Windfelder und ihre Definition außerhalb des Modellgebietes. - 4.4.3. Spezialfall konstanten thermischen Windes. - 4.5. Barotroper Grundstrom als analytischer Spezialfall. - 4.6. Charakterisierung der Baroklinität. - 4.7. Geostrophischer Zustand für Flachwassergleichungen. - 5. Numerische Stabilität von Gleichgewichtszuständen und Erhaltungseigenschaften. - 5.1. Polynomiale Balancierung des DG-Verfahrens. - 5.1.1. Ausgangssituation („low0bal0“). - 5.1.2. Isotrope Reduktion des Polynomgrades der Quellterme („low1bal0“). - 5.1.3. Isotrope Polynomgradreduktion von Quelltermen sowie Projektion der Flussfunktion („low1bal1“). - 5.1.4. Volle Balancierung mit selektiver Polynomgradreduktion und Projektion der Flussfunktion („low2bal1“). - 5.2. Konvergenz. - 5.3. Langzeitstabilität und Erhaltungseigenschaften. - 6. Atmosphärische Testfälle. - 6.1. Aufsteigende warme Blase. - 6.2. Schwerewellen. - 6.3. Bergüberströmung. - 6.4. Barotrope Instabilität. - 7. Atmosphärische Instabilitäten in mittleren Breiten. - 7.1. Barotrope Instabilität mit Euler-Gleichungen in 2D und 3D. - 7.1.1. Wavelet-Spektrum. - 7.2. Barokline Instabilität in Abhängigkeit von statischer Stabilität und thermischem Wind. - 7.2.1. Einfluss der statischen Stabilität. - 7.2.2. Einfluss der vertikalen Diskretisierung. - 7.3. Entstehung zyklonaler Wirbel aus baroklin instabilem Grundstrom. - 7.3.1. Konfiguration. - 7.3.2. Entwicklung von Impulsdifferenz. - 7.3.3. Vorticity im Horizontalschnitt. - 7.3.4. Globale Charakterisierung . - 7.4. Langzeitentwicklung aus baroklinen Zuständen. - 7.4.1. Konfiguration. - 7.4.2. Entwicklung von Impulsdifferenz und Energie. - 7.4.3. Vorticity im Horizontalschnitt. - 7.4.4 Globale Charakterisierung. - 7.4.5. Wavelet-Spektrum. - 7.4.6. Zonales Mittel. - 8. Zusammenfassung und Ausblick. - A. Mathematische Aspekte. - A.1. Profilfunktionen. - A.2. Differenzen und Normen. - A.3. Wavelet-Analyse. - A.4. Darstellung aus der Diskretisierung. - A.5. Erhaltungseigenschaften mit Quadratur. - B. Details zu Euler-Gleichungen. - B.1. Vertikale Linearisierung der Euler-Gleichungen für Präkonditionierer des semi-impliziten Zeitschrittes. - B.1.1. Vertikales lineares Gleichungssystem. - B.1.2. Diskretisierung und Matrizen. - B.1.3. Implizites Gleichungssystem. - B.2. Zustände im hydrostatischen Gleichgewicht. - B.2.1. Isotherm. - B.2.2. Polytrop. - B.2.3. Isentrop. - B.2.4. Mehrfach polytrop. - B.2.5. Uniform geschichtet. - B.3. Barokliner Zustand imp-System. - C. Zusätzliche Simulationsdaten. - C.1. Stabilitätskarten zu baroklinen Langzeitsimulationen. - C.2. Wirbelentstehung nahe Oberrand. - C.3. Zusätzliche Horizontalschnitte des baroklinen Langzeitlaufes. - D. Implementierung: Programmpaket Polyflux. - E. Korrekturen zur Veröffentlichung. - Mathematische Definitionen. - Abkürzungen und Begriffe. - Literatur.

Note: Dissertation, Universität Potsdam, 2014 , Table of contents I - Abstract II - Zusammenfassung Chapter 1 - Introduction 1.1. Introduction 1.1.1 Motivation 1.1.2 Organisation of thesis 1.1 Scientific background 1.2.1 Arctic and wetland bryophytes 1.2.2 Bryophyte remains as palaeo-environmental indicators 1.2.3 Regional setting 1.3 Objectives ofthe thesis 1.4 Overview of the manuscripts 1.5 Contribution of the authors Chapter 2 - Manuscript #1 Abstract 2.1 Introduction 2.2 Geographic setting 2.3 Materials and methods 2.3.1 Fieldwork 2.3.2 Radiocarbon dating 2.3.3 Geochemical, stable carbon isotope, and granulometric analyses 2.3.4 Analyses of moss remains and vascular plant macrofossils 2.3.5 Pollen analysis 2.3.6 Diatom analysis 2.3.7 Statistical analysis 2.4 Results 2.4.1 High-resolution spatial characteristics oft the investigated polygon and vegetation pattern 2.4.2 Geochronology and age-depth relationships 2.4.3 General properties of the sedimentary fill 2.4.4 Bioindicators 2.4.5 Characterization oftwo different types of polygon pond sediment 2.5. Discussion 2.5.1 Small-scale spatial structure of polygons 2.5.2 Age-depth relationships 2.5.3 Proxy value of the analysed parameters 2.5.4 The general polygon development 2.5.5 Polygon development as a function of external controls and internal adjustment mechanisms 2.6 Conclusions Chapter 3 - Manuscript #11 Abstract 3.1 Introduction 3.2 Material und methods 3.2.1 Regional setting 3.2.3 Field methods and environmental data collection 3.2.4 Data analysis 3.3 Results 3.3.1 Major characteristics of the investigated polygons 3.3.2 Vegetation cover and its relationships with micro-relief and vegetation type 3.3.3 Vegetation alpha-diversity and its relationship with micro-relief and vegetation type 3.3.4 Vegetation composition and its relationship with micro-relief and vegetation type 3.4 Discussion 3.4.1 Patterns of cover, alpha-diversity and compositional turnover of vascular plants and bryophytes along the rim-pond transect (local-scale) 3.4.2 Patterns of cover, alpha-diversity and compositional turnover of vascular plants and bryophytes along the regional-scale forest-tundra transect 3.4.3 Indicator potential ofvascular plant and bryophyte remains from polygonal peats for the reconstruction of local hydrological and regional vegetation changes 3.4.4. Implications of the performed vegetation transect studies for future Arctic warming 3.5 Acknowledgements 2.4.4 Bioindicators 2.4.5 Characterization of two different types of polygon pond sediment 2.5. Discussion 2.5.1 Small-scale spatial structure of polygons 2.5.2 Age-depth relationships 2.5.3 Proxy value of the analysed parameters 2.5.4 The general polygon development 2.5.5 Polygon development as a function of external controls and internal adjustment mechanisms 2.6 Conclusions Chapter 3 - Manuscript #II Abstract 3.1 Introduction 3.2 Material und methods 3.2.1 Regional setting 3.2.3 Field methods and environmental data collection 3.2.4 Data analysis 3.3 Results 3.3.1 Major characteristics of the investigated polygons 3.3.2 Vegetation cover and its relationships with micro-relief and vegetation type 3.3.3 Vegetation alpha-diversity and its relationship with micro-relief and vegetation type 3.3.4 Vegetation composition and its relationship with micro-relief and vegetation type 3.4 Discussion 3.4.1 Patterns of cover, alpha-diversity and compositional turnover of vascular plants and bryophytes along the rim-pond transect (local-scale) 3.4.2 Patterns of cover, alpha-diversity and compositional turnover of vascular plants and bryophytes along the regional-scale forest-tundra transect 3.4.3 Indicator potential of vascular plant and bryophyte remains from polygonal peats for the reconstruction of local hydrological and regional vegetation changes 3.4.4. Implications of the performed vegetation transect studies for future Arctic warming 3.5 Acknowledgements Chapter 4 - Manuscript #3 Abstract 4.1 Introduction 4.2 Material and methods 4.2.1 Sites 4.2.2 Sampling 4.2.3 Investigated moss species 4.2.4 Measurements 4.2.5 Statistical Tests 4.3 Results 4.4 Discussion Chapter 5 - Discussion 5.1 Bryophytes of polygonal landscapes in Siberia 5.1.1 Modern bryophytes in the Siberian Arctic 5.1.2 Biochemical and isotopic characteristics of mosses 5.1.3 Reliability and potential of fossil bryophyte remains as palaeoproxies 5.2 Dynamics of low-centred polygons during the late Holocene 5.3 Outlook Appendix I - Preliminary Report Motivation Material and methods Results and first interpretation Appendix II Additional tables and figures of manuscript #1 Appendix III Additional figures of manuscript #2 Appendix IV - Quantitative approach of Standard Moss Stem (SMS3) Bibliography Acknowledgements Eidesstattliche Erklärung

Note: CONTENTS Preface Photo Credits Computer Codes 1 Introduction 1-1 Why Microwaves for Remote Sensing? 1-2 A Brief Overview of Microwave Sensors 1-3 A Short History of Microwave Remote Sensing 1-3.1 Radar 1-3.2 Radiometers 1-4 The Electromagnetic Spectrum 1-5 Basic Operation and Applications of Radar 1-5.1 Operation of Remote-Sensing Radars 1-5.2 Applications of Remote-Sensing Radars 1-6 Basic Operation and Applications of Radiometers 1-6.1 Radiometer Operation 1-6.2 Applications of Microwave Radiometry 1-7 Image Examples 2 Electromagnetic Wave Propagation 2-1 EM Plane Waves 2-1.1 Constitutive Parameters 2-1.2 Maxwell's Equations 2-1.3 Complex Permittivity 2-1.4 Wave Equations 2-2 Plane-Wave Propagation in Lossless Media 2-2.1 Uniform Plane Waves 2-2.2 General Relation between E and H 2-3 Wave Polarization in a Lossless Medium 2-3.1 Linear Polarization 2-3.2 Circular Polarization 2-3.3 Elliptical Polarization 2-4 Plane Wave Propagation in Lossy Media 2-4.1 Low Loss Dielectric 2-4.2 Good Conductor 2-5 Electromagnetic Power Density 2-5.1 Plane Wave in a Lossless Medium 2-5.2 Plane Wave in a Lossy Medium 2-5.3 Decibel Scale tor Power Ratios 2-6 Wave Reflection and Transmission at Normal Incidence 2-6.1 Boundary between Lossless Media 2-6.2 Boundary between Lossy Media 2-7 Wave Reflection and Transmission at Oblique Incidence 2-7.1 Horizontal Polarization—Lossless Media 2-7.2 Vertical Polarization 2-8 Reflectivity and Transmissivity 2-9 Oblique Incidence onto a Lossy Medium 2- 10 Oblique Incidence onto a Two-Layer Composite 2-10.1 Input Parameters 2-10.2 Propagation Matrix Method 2-10.3 Multiple Reflection Method 3 Remote-Sensing Antennas 3-1 The Hertzian Dipole 3-2 Antenna Radiation Characteristics 3-2.1 Antenna Pattern 3-2.2 Beam Dimensions 3-2.3 Antenna Directivity 3-2.4 Antenna Gain 3-2.5 Radiation Efficiency 3-2.6 Effective Area of a Receiving Antenna 3-3 Friis Transmission Formula 3-4 Radiation by Large-Aperture Antennas 3-5 Rectangular Aperture with Uniform Field Distribution 3-5.1 Antenna Pattern in x-y Plane 3-5.2 Beamwidth 3-5.3 Directivity and Effective Area 3-6 Circular Aperture with Uniform Field Illumination 3-7 Nonuniform-Amplitude Illumination 3-8 Beam Efficiency 3-9 Antenna Arrays 3-10 N-Element Array with Uniform Phase Distribution 3-10.1 Uniform Amplitude Distribution 3-10.2 Grating Lobes 3-10.3 Binomial Distribution 3-11 Electronic Scanning of Arrays 3-12 Antenna Types 3-12.1 Horn Antennas 3-12.2 Slot Antennas 3-12.3 Microstrip Antennas 3-13 Active Antennas 3-13.1 Advantages of Active Antennas 3-13.2 Digital Beamforming with Active Antennas 4 Microwave Dielectric Properties of Natural Earth Materials 4-1 Pure-Water Single-Debye Dielectric Model (f 〈 50 GHz) 4-2 Saline-Water Double-Debye Dielectric Model (f〈 1000 GHz) 4-3 Dielectric Constant of Pure Ice 4-4 Dielectric Mixing Models for Heterogeneous Materials 4-4.1 Randomly Oriented Ellipsoidal Inclusions 4-4.2 Polder-van Santen/de Loor Formulas 4-4.3 Tinga-Voss-Blossey (TVB) Formulas 4-4.4 Other Dielectric Mixing Formulas 4-5 Sea Ice 4-5.1 Dielectric Constant of Brine 4-5.2 Brine Volume Fraction 4-5.3 Dielectric Properties 4-6 Dielectric Constant of Snow 4-6.1 Dry Snow 4-6.2 Wet Snow 4-7 Dielectric Constant of Dry Rocks 4-7.1 Powdered Rocks 4-7.2 Solid Rocks 4-8 Dielectric Constant of Soils 4-8.1 Dry Soil 4-8.2 Wet Soil 4-8.3 εsoil in 0.3-1.5 GHz Band 4-9 Dielectric Constant of Vegetation 4-9.1 Dielectric Constant of Canopy Constituents 4-9.2 Dielectric Model 5 Radar Scattering 5-1 Wave Polarization in a Spherical Coordinate System 5-2 Scattering Coordinate Systems 5-2.1 Forward Scattering Alignment (FSA) Convention 5-2.2 Backscatter Alignment (BSA) Convention 5-3 Scattering Matrix 5-3.1 FSA Convention 5-3.2 BSA Convention 5-3.3 Stokes Parameters and Mueller Matrix 5-4 Radar Equation 5-5 Scattering from Distributed Targets 5-5.1 Narrow-Beam Scatterometer 5-5.2 Imaging Radar 5-5.3 Specific Intensities for Distributed Target 5-6 RCS Statistics 5-7 Rayleigh Fading Model 5-7.1 Underlying Assumptions 5-7.2 Linear Detection 5-7.3 Square-Law Detection 5-7.4 Interpretation 5-8 Multiple Independent Samples 5-8.1 N-Look Amplitude Image 5-8.2 N-Look Intensity Image 5-8.3 N-Look Square-Root Intensity Image 5-8.4 Spatial Resolution vs. Radiometric Resolution 5-8.5 Applicability of the Rayleigh Fading Model 5-9 Image Texture and Despeckle Filtering . 5-9.1 Image Texture 5-9.2 Despeckling Filters 5-10 Coherent and Noncoherent Scattering 5-10.1 Surface Roughness 5-10.2 Bistatic Scattering 5-10.3 Specular Reflectivity 5-10.4 Bistatic-Scattering Coefficient 5-10.5 Backscattering Response of a Smooth Surface 5-11 Polarization Synthesis 5-11.1 RCS Polarization Response 5-11.2 Distributed Targets 5-11.3 Mueller Matrix Approach 5-12 Polarimetric Scattering Statistics 5-13 Polarimetric Analysis Tools 5-13.1 Scattering Covariance Matrix 5-13.2 Eigenvector Decomposition 5-13.3 Useful Polarimetric Parameters 5-13.4 Image Examples 5-13.5 Freeman-Durden Decomposition 6 Microwave Radiometry and Radiative Transfer 6-1 Radiometric Quantities 6-2 Thermal Radiation 6-2.1 Quantum Theory of Radiation 6-2.2 Planck's Blackbody Radiation Law 6-2.3 The Rayleigh-Jeans Law 6-3 Power-Temperature Correspondence 6-4 Radiation by Natural Materials 6-4.1 Brightness Temperature 6-4.2 Brightness Temperature Distribution 6-4.3 Antenna Temperature 6-5 Antenna Efficiency Considerations 6-5.1 Beam Efficiency 6-5.2 Radiation Efficiency 6-5.3 Radiometer Measurement Ambiguity 6-6 Theory of Radiative Transfer 6-6.1 Equation of Radiative Transfer 6-6.2 Brightness-Temperature Equation 6-6.3 Brightness Temperature of a Stratified Medium 6-6.4 Brightness Temperature of a Scatter-Free Medium 6-6.5 Upwelling and Downwelling Atmospheric Brightness Temperatures 6-7 Terrain Brightness Temperature 6-7.1 Brightness Transmission Across a Specular Boundary 6-7.2 Emission by a Specular Surface 6-7.3 Emissivity of a Rough Surface 6-7.4 Extreme Surface Conditions 6-7.5 Emissivity of a Two-Layer Composite 6-8 Downward-Looking Satellite Radiometer 6-9 Polarimetric Radiometry 6-10 Stokes Parameters and Periodic Structures 7 Microwave Radiometric Systems 7-1 Equivalent Noise Temperature 7-2 Characterization of Noise 7-2.1 Noise Figure 7-2.2 Equivalent Input Noise Temperature 7-2.3 Noise Temperature of a Cascaded System 7-2.4 Noise Temperature of a Lossy Two-Port Device 7-3 Receiver and System Noise Temperatures 7-3.1 Receiver Alone 7-3.2 Total System Including Antenna 7-4 Radiometer Operation 7-4.1 Measurement Accuracy 7-4.2 Total-Power Radiometer 7-4.3 Radiometric Resolution 7-5 Effects of Receiver Gain Variations 7-6 Dicke Radiometer 7-7 Balancing Techniques 7-7.1 Reference-Channel Control Method 7-7.2 Antenna-Channel Noise-Injection Method 7-7.3 Pulsed Noise-Injection Method 7-7.4 Gain-Modulation Method 7-8 Automatic-Gain-Control (AGC) Techniques 7-9 Noise-Adding Radiometer 7-10 Summary of Radiometer Properties 7-11 Radiometer Calibration Techniques 7-11.1 Receiver Calibration 7-11.2 Calibration Sources 7-11.3 Effects of Impedance Mismatches 7-11.4 Antenna Calibration 7-11.5 Cryoload Technique 7-11.6 Bucket Technique 7-12 Imaging Considerations 7-12.1 Scanning Configurations 7-12.2 Radiometer Uncertainty Principle 7-13 Interferometric Aperture Synthesis 7-13.1 Image Reconstruction 7-13.2 MIR Radiometric Sensitivity 7-14 Polarimetric Radiometer 7-14.1 Coherent Detection 7-14.2 Incoherent Detection 7-15 Calibration of Polarimetric Radiometers 7-15.1 Forward Model for a Fully Polarimetric Radiometer 7-15.2 Forward Model for the Polarimetric Calibration Source 7-15.3 Calibration by Inversion of the Forward Models 7-16 Digital Radiometers 8 Microwave Interaction with Atmospheric Constituents 8-1 Standard Atmosphere 8-1.1 Atmospheric Composition 8-1.2 Temperature Profile 8-1.3 Density Profile 8-1.4 Pressure Profi

Note: Table of Contents Introduction: Thermokarst Lakes of Western Siberia as Dominant Forms of Landscape and Regulators of Greenhouse Gas Exchange with the Atmosphere Chapter 1. Thermokarst Lakes: Distribution, Cycle of Development, Surface Coverage and Evolution Chapter 2. Sources of Dissolved Components in Thermokarst Lakes Chapter 3. Temperature and Gas Regime Chapter 4. Dissolved Organic Carbon Chapter 5. Microbiology of Thermokarst Lake Systems Chapter 6. Trace Elements in Thermokarst Lakes Chapter 7. Colloids in Thermokarst Lakes Chapter 8. Latitude Profile Gradients of Lakes: Substituting Space for Time Chapter 9. Possible Impact of Climate Warming on Stocks and Fluxes of Carbon and Related Elements in Western Siberian Lakes Conclusions: Thaw Lakes as Indicators of Climate Change References Index

Note: Zugleich: Dissertation, Universität Bremen, 1989 , Zusammenfassung in englischer Sprache

Note: Table of Contents: Copyright; Additional copies. - Foreword and acknowledgements. - Chapter 1. Cosmochemistry of the Rare Earth Elements: Condensation and Evaporation Processes / by William V. Boynton. - Introduction. - Meteorites. - Astrophysical context for interpretation of cosmochemical data. - Solar nebula. - Solar abundances. - Cosmochemical properties of the REE. - REE condensation reactions. - Activity coefficients. - Partial pressures. - Solid / gas distribution coefficients. - Why are the REE volatilities so different?. - Calculated REE patterns. - Early condensates. - Removing REE in the gas. - Comparison with meteoritic data. - Ultra-refractory component. - Group II inclusions. - FUN inclusions. - REE condensation as a function of oxygen fugacity. - Rims on CAI. - What have we learned from the REE?. - High temperatures were achieved in the solar nebula. - A very efficient mechanism for gas/dust separation existed in the solar nebula. - The high nebular temperatures existed for a long time. - A very intense, very brief, heat source also existed. - The solar nebula was a chaotic environment. - Summary. - Acknowledgements. - References. - Chapter 2. Radiogenic Isotope Geochemistry of Rare Earth Elements / by P. Jonathan Patchett. - Introduction. - Long-lived radioactive isotopes of Rare Earth Elements. - 138La-138Ce decay. - 147Sm-143Nd decay. - 176Lu-176Hf decay. - Cemical variations of La/Ce, Sm/Nd and Lu/Hf ratios. - Geochronological studies. - La-Ce and Lu-Hf chronology. - Sm-Nd chronology. - Defining bulk planetary isotopic evolution. - Isotopic study of planetary interiors. - The Moon. - The Earth. - Nd isotopes in studies of terrestrial crustal evolution. - Model Nd ages of continental crust. - Growth curves for the continental crust. - Origin of granitoids. - Nd isotopes and the sedimentary system. - Characterization of whole crustal terranes. - Crustal Lu-Hf isotopic studies. - Major unsolved problems. - Continental crustal growth curve. - Abundance of Archean continental crust. - Origin of mantle isotopic variations. - References. - Chapter 3. Partitioning of Rare Earth Elements between Major Silicate Minerals and Basaltic Melts / by Gordon A. McKay. - Introduction. - Usefulness of the REE for petrogenetic modelling. - Scope of this chapter. - Caveat. - How partition coefficients are measured. - Phenocryst/matrix studies of natural samples. - Experimental measurement of partition coefficients. - Basic experimental approach. - Equilibrium. - Percent level doping technique. - Beta-track mapping technique. - Other experimental approaches. - Henry's law: The applicability of percent-level doping results. - Factors governing mineral/melt partitioning. - Ionic size and charge of trace element. - Crystal field effects. - Cristallographic versus defect sites: The Henry's law question. - Phase compositions. - Oxidation state. - Thermodynamic relationships: Dependence of partitioning on temperature and composition. - Other predictive approaches. - Special applications. - Eu as an oxygen fugacity indicator. - Origin of the Eu anomaly in lunar mare basalts. - REE partition coefficient patterns for the major minerals. - Plagioclase. - Olivine. - Pyroxene. - Low-Ca pyroxene. - High-Ca pyroxene. - Garnet. - Future directions. - Acknowledgements. - References. - Chapter 4. An Approach to Trace Element Modeling Using a Simple Igneous System as an Example / by Gilbert N. Hanson. - Introduction. - Review of trace element equations. - Melting. - Fractional crystallization. - Melting versus fractional crystallization. - Essential structural constituents. - Example of petrogenetic approach. - Discussion and summary. - Acknowledgements. - References. - Chapter 5. Rare Earth Elements in Upper Mantle Rocks / by W. F. McDonough and Fredrick A. Frey. - Introduction. - Massive peridotites. - Massive peridotites: dominantly lherzolite Western Alps - Lanzo. - Western Alps -Baldissero, Balmuccia. - Eastern Liguria, Italy. - Western Liguria, Italy. - Eastern Pyrenees - France. - Ronda, Spain Effects of late stage alteration on REE. - What can be inferred about the melting process and the segregated melts?. - Massive peridotites: pyroxenite layers and veins and their wall rocks. - Amphibole-bearing pyroxenite veins. - Anhydrous pyroxenite layers. - How were the pyroxenite layers created? Evidence for multistage processes. - Implications for mantle enrichment processes (metasomatism). - Massive peridotites: dominantly harzburgite. - Oceanic peridotites. - Ultramafic xenoliths. - Group I spinel peridotites. - Garnet peridotites. - Pyroxenite and related xenoliths. - Models for REE abundance trends in peridotite xenoliths. - Megacrysts, minerals in xenoliths and damong inclusions. - Megacrysts. - Minerals in peridotites and pyroxenites. - Inclusions in diamonds. - Summary: comparison of peridotites from massifs and xenoliths and implications of REE data for Upper Mantle composition. - Acknowledgements. - References. - Chapter 6. Rare Earth Elements in Metamorphic Rocks / by Richard I. Grauch. - Introduction. - REE residence in metamorphic rocks. - REE mobility during metamorphism. - REE content of metamorphic rocks. - Suggestions for future work. - Acknowledgements. - References. - Chapter 7. Rare Earth Elements in Sedimentary Rocks: Influence of Provenance and Sedimentary Processes / by Scott M. McLennan. - Introduction. - Rare earth element properties and sedimentary rocks. - Cosmochemical considerations. - Geochemical considerations. - Aqueous geochemistry. - Normalizing and notation. - Sedimentary processes. - Weathering. - Diagenesis. - Sedimentary sorting. - REE and provenance studies. - Sedimentary rocks and crustal abundances. - Sedimentation and plate tectonics. - Archean sedimentary rocks and the Archean crust. - Archean greenstone belts. - REE in sedimentary rocks and crustal evolution. - Acknowledgements. - References. - Chapter 8. Aqueous Geochemistry of Rare Earth Elements / by Douglas G. Brookins. - Introduction. - The trivalent lanthanides (Ln III). - Types of complexes in solution. - Hydrolysis products. - Phosphate complexes. - Carbonate complexes. - Halide complexes. - Complexes with total dissolved sulfur. - Gadolinium-Terbium fractionation?. - Scandium and Yttrium. - Europium (II). - Cerium (IV). - Eh-pH diagrams. - Cerium. - Europium. - Other lanthanides. - Lanthanides in ocean waters. - Lanthanides and actinides. - Concluding remarks. - Acknowledgements. - References. - Chapter 9. Rare Earth Elements in Lunar Materials / by Larry A. Haskin. - Introduction. - The nature of planet moon. - The magma ocean hypothesis and its presumed products. - Lunar REE patterns. - Highland plutonic rocks. - Anorthosites. - Durâtes, troctolites, norites, and gabbros. - Lunar felsite (granite). - Highland volcanic rocks: KREEP. - Mare basalts. - Mare basalt sources as magma ocean products. - Assimilation of crusted material during basalt petrogenesis. - Glassy spherules. - Soils and breccias. - Caveat. - Acknowledgements. - References. - Chapter 10. Compositional and Phase Relations among Rare Earth Element Minerals / by Donald M. Burt. - Introduction. - Geochemical background. - Minerals. - Coupled substitutions. - Vector treatment. - Application to selected mineral groups. - Fluorides. - Carbonates. - Fluorocarbonates. - Monazite, xenotime, zircon, and related phases. - Apatites. - Florencite and related phases. - A-B oxides (niobates, tantalates, titanates, ferrites). - Fergusonitelbetafergusonite, ABO4. - Perovskite, ABO3. - Aeschyniteleuxenite, AB2O6. - Pyrochlore, A1-2B2O6(O,F,OH). - Allanite. - Titanite. - Garnet. - Gadolinite. - Chevkinite/perrierite. - Element distributions: acid-base relations. - Summary. - Acknowledgemen

Note: Contents: Introduction. - NE Greenland. Previous investigations of subfossil and extant freshwater diatoms. - Klaresø. - Sølejren. - Present investigations. - Vandsøen. - The taxa. - Taxonomical remarks. - W Greenland. Previous investigations of the subfossil diatom flora. - Johannes Iversen Sø. - Gytjesø. - Sârdlup tîmane taserssuaq. - Kigssaviat taserssua. - Galium Kær. - Spongilla sø. - Present investigations. - Qeqertat, Inglefield Bredning. - The taxa. - Taxonomical remarks. - Ecological remarks. - Eqalunguit, Disko. - The taxa. - Changes in pH of the environment. - Taxonomical remarks. - Langesø and Rundesø, Tugtuligssuaq. - The taxa. - Changes in pH of the environment. - Taxonomical remarks. - Acknowledgements. - References.

Note: Table of Contents: The Dahlem Konferenzen / S. Bernhard. - Introduction / H. Oeschger and C. C. Langway, Jr. - Aerosol transport from sources to ice sheets / G. E. Shaw. - Mechanisms of wet and dry deposition of atmospheric contaminants to snow surfaces / C. I. Davidson. - The transformation of snow to ice and the occlusion of gases / J. Schwander. - Environmental records in alpine glaciers / D. Wagenbach. - GROUP REPORT. - How do glaciers record environmental processes and preserve information? / J. W. C. White, P. Brimblecombe, C. Brühl, C. I. Davidson, R. J. Delmas, G. Gravenhorst, K. O. Münnich, S. A. Penkett, U. Schotterer, J. Schwander, G. E. Shaw, D. Wagenbach. - Dating by physical and chemical seasonal variations and reference horizons / C. U. Hammer. - Dating of ice by radioactive isotopes / B. R. Stauffer. - Dating by ice flow modeling: a useful tool or an exercise in applied mathematics? / N. Reeh. - Physical property reference horizons / H. Shoji and C. C. Langway, Jr. - GROUP REPORT. - How can an ice core chronology be established? / W. F. Budd, J. T. Andrews, R. C. Finkel, E. L. Fireman, W. Graf, C. U. Hammer, J. Jouzel, D. P. Raynaud, N. Reeh, H. Shoji, B. R. Stauffer, J. Weertman. - Temporal variations of trace gases in ice cores / M. A. K. Khalil and R. A. Rasmussen. - Trace metals and organic compounds in ice cores / D. A. Peel. - The ionic deposits in polar ice cores / H. B. Clausen and C. C. Langway, Jr. - The impact of observed changes in atmospheric composition on global atmospheric chemistry and climate / P. J. Crutzen and C. Brühl. - GROUP REPORT. - What anthropogenic impacts are recorded in glaciers? / G. I. Pearman, R. J. Charlson, T. Class, H. B. Clausen, P. J. Crutzen, T. Hughes, D. A. Peel, K. A. Rahn, J. Rudolph, U. Siegenthaler, D. S. Zardini. - Past environmental long-term records from the Arctic / W. Dansgaard and H. Oeschger. - Long-term changes in the concentrations of major chemical compounds (soluble and insoluble) along deep ice cores / R. J. Delmas and M. Legrand. - Long-term environmental records from Antarctic ice cores / C. Lorius, G. Raisbeck, J. Jouzel, and D. Raynoud. - Studies of polar ice: insights for atmospheric chemistry / M. B. McElroy. - GROUP REPORT. - Long-term ice core records and global environmental changes / A. D. Hecht, W. Dansgaard, J. A. Eddy, S. J. Johnsen, M. A. Lange, C. C. Langway, Jr., C. Lorius, M. B. McElroy, H. Oeschger, G. Raisbeck, P. Schlosser. - List of participants with fields of research. - Subject index. - Author index.

Note: CONTENTS: PREFACE. - INTRODUCTION. - 1 DESCRIBING INVERSE PROBLEMS. - 1.1 Formulating Inverse Problems. - 1.2 The Linear Inverse Problem. - 1.3 Examples of Formulating Inverse Problems. - 1.4 Solutions to Inverse Problems. - 2 SOME COMMENTS ON PROBABILITY THEORY. - 2.1 Noise and Random Variables. - 2.2 Correlated Data. - 2.3 Functions of Random Variables. - 2.4 Gaussian Distributions. - 2.5 Testing the Assumption of Gaussian Statistics. - 2.6 Confidence Intervals. - 3 SOLUTION OF THE LINEAR, GAUSSIAN INVERSE PROBLEM, VIEWPOINT 1: THE LENGTH METHOD. - 3.1 The Lengths of Estimates. - 3.2 Measures of Length. - 3.3 Least Squares for a Straight Line. - 3.4 The Least Squares Solution of the Linear Inverse Problem. - 3.5 Some Examples. - 3.6 The Existence of the Least Squares Solution. - 3.7 The Purely Underdetermined Problem. - 3.8 Mixed-Determined Problems. - 3.9 Weighted Measures of Length as a Type of A Priori Information. - 3.10 Other Types of A Priori Information. - 3.11 The Variance of the Model Parameter Estimates. - 3.12 Variance and Prediction Error of the Least Squares Solution. - 4 SOLUTION OF THE LINEAR, GAUSSIAN INVERSE PROBLEM, VIEWPOINT 2: GENERALIZED INVERSES. - 4.1 Solutions versus Operators. - 4.2 The Data Resolution Matrix. - 4.3 The Model Resolution Matrix. - 4.4 The Unit Covariance Matrix. - 4.5 Resolution and Covariance of Some Generalized Inverses. - 4.6 Measures of Goodness of Resolution and Covariance. - 4.7 Generalized Inverses with Good Resolution and Covariance. - 4.8 Sidelobes and the Backus-Gilbert Spread Function. - 4.9 The Backus-Gilbert Generalized Inverse for the Underdetermined Problem. - 4.10 Including the Covariance Size. - 4.11 The Trade-off of Resolution and Variance. - 5 SOLUTION OF THE LINEAR, GAUSSIAN INVERSE PROBLEM, VIEWPOINT 3: MAXIMUM LIKELIHOOD METHODS. - 5.1 The Mean of a Group of Measurements. - 5.2 Maximum Likelihood Solution of the Linear Inverse Problem. - 5.3 A Priori Distributions. - 5.4 Maximum Likelihood for an Exact Theory. - 5.5 Inexact Theories. - 5.6 The Simple Gaussian Case with a Linear Theory. - 5.7 The General Linear, Gaussian Case. - 5.8 Equivalence of the Three Viewpoints. - 5.9 The F Test of Error Improvement Significance. - 5.10 Derivation of the Formulas of Section 5.7. - 6 NONUNIQUENESS AND LOCALIZED AVERAGES. - 6.1 Null Vectors and Nonuniqueness. - 6.2 Null Vectors of a Simple Inverse Problem. - 6.3 Localized Averages of Model Parameters. - 6.4 Relationship to the Resolution Matrix. - 6.5 Averages versus Estimates. - 6.6 Nonunique Averaging Vectors and A Priori Information. - 7 APPLICATIONS OF VECTOR SPACES. - 7.1 Model and Data Spaces. - 7.2 Householder Transformations. - 7.3 Designing Householder Transformations. - 7.4 Transformations That Do Not Preserve Length. - 7.5 The Solution of the Mixed-Determined Problem. - 7.6 Singular-Value Decomposition and the Natural Generalized Inverse. - 7.7 Derivation of the Singular-Value Decomposition. - 7.8 Simplifying Linear Equality and Inequality Constraints. - 7.9 Inequality Constraints. - 8 LINEAR INVERSE PROBLEMS AND NON-GAUSSIAN DISTRIBUTIONS. - 8.1 L1 Norms and Exponential Distributions. - 8.2 Maximum Likelihood Estimate of the Mean of an Exponential Distribution. - 8.3 The General Linear Problem. - 8.4 Solving L1 Norm Problems. - 8.5 The L [Infinity symbol] Norm. - 9 NONLINEAR INVERSE PROBLEMS. - 9.1 Parameterizations. - 9.2 Linearizing Parameterizations. - 9.3 The Nonlinear Inverse Problem with Gaussian Data. - 9.4 Special Cases. - 9.5 Convergence and Nonuniqueness of Nonlinear L2 Problems. - 9.6 Non-Gaussian Distributions. - 9.7 Maximum Entropy Methods. - 10 FACTOR ANALYSIS. - 10.1 The Factor Analysis Problem. - 10.2 Normalization and Physicality Constraints. - 10.3 Q-Mode and R-Mode Factor Analysis. - 10.4 Empirical Orthogonal Function Analysis. - 11 CONTINUOUS INVERSE THEORY AND TOMOGRAPHY. - 11.1 The Backus-Gilbert Inverse Problem. - 11.2 Resolution and Variance Trade-off. - 11.3 Approximating Continuous Inverse Problems as Discrete Problems. - 11.4 Tomography and Continuous Inverse Theory. - 11.5 Tomography and the Radon Transform. - 11.6 The Fourier Slice Theorem. - 11.7 Backprojection. - 12 SAMPLE INVERSE PROBLEMS. - 12.1 An Image Enhancement Problem. - 12.2 Digital Filter Design. - 12.3 Adjustment of Crossover Errors. - 12.4 An Acoustic Tomography Problem. - 12.5 Temperature Distribution in an Igneous Intrusion. - 12.6 L1, L2, and L [infinity symbol] Fitting of a Straight Line. - 12.7 Finding the Mean of a Set of Unit Vectors. - 12.8 Gaussian Curve Fitting. - 12.9 Earthquake Location. - 12.10 Vibrational Problems. - 13 NUMERICAL ALGORITHMS. - 13.1 Solving Even-Determined Problems. - 13.2 Inverting a Square Matrix. - 13.3 Solving Underdetermined and Overdetermined Problems. - 13.4 L2 Problems with Inequality Constraints. - 13.5 Finding the Eigenvalues and Eigenvectors of a Real Symmetric Matrix. - 13.6 The Singular-Value Decomposition of a Matrix. - 13.7 The Simplex Method and the Linear Programming Problem. - 14 APPLICATIONS OF INVERSE THEORY TO GEOPHYSICS. - 14.1 Earthquake Location and the Determination of the Velocity Structure of the Earth from Travel Time Data. - 14.2 Velocity Structure from Free Oscillations and Seismic Surface Waves. - 14.3 Seismic Attenuation. - 14.4 Signal Correlation. - 14.5 Tectonic Plate Motions. - 14.6 Gravity and Geomagnetism. - 14.7 Electromagnetic Induction and the Magnetotelluric Method. - 14.8 Ocean Circulation. - APPENDIX A: Implementing Constraints with Lagrange Multipliers. - APPENDIX B: L2 Inverse Theory with Complex Quantities. - REFERENCES. - INDEX

Note: Contents: Foreword. - Organisation of the expedition. - Project personnel. - Implementation of the expedition. - 1. Administrative prerequisites. - 2. Operational plans. - 2.1 Access to study area and routes. - 2.2 Logistics and equipment. - Purpose of the expedition. - Study area. - Short outline of the surveys. - 1. Recording of the abiotic conditions. - 2. The cartography of vegetation. - 3. The population surveys. - Preliminary results. - Short outline of the results of the lemming winter nest surveys. - Miscellanea. - Discussion. - Conclusion. - Acknowledgements.

Note: Contents: Age and correlation of metamorphic basement in Edward VII Peninsula Marie Byrd Land and Southern New Zealand / C. J. Adams & S. D. Weaver. - Granite Harbour intrusives from North Victoria Land between David and Aviator Glaciers: new geochronological and isotope data / P. Armienti, C. Ghezzo, F. Innocenti, P. Manetti, S. Rocchi & S. Tonarini. - Granulites in the Kottas Mountains, Antarctica: geology, geochronology and geochemistry / N. T. Arndt, C. Chauvel, W. Todt, M. Tapfer & K. Weber. - Utility of 87Sr/86Sr ratios of biogenic carbonate to estimate ages of sedimentary and climatic events in Antarctica / E. Barrera & P. N. Webb. - Cooling patterns in Western Dronning Maud Land, Antarctica, and Southwestern Africa and their implications to Gondwana / J. M. Barton & A. B. Moyes. - U-Pb isotopic systematics of zircons from polymetamorphic rocks of Eastern Enderby Land / B. V. Belyatsky, L. K. Levsky & E. N. Kamenev. - Geochronology and climastratigraphy of tertiary glacial and interglacial successions on King George Island, South Shetland Islands / K. Birkenmajer. - Reliability of potassium-argon dating of cretaceous-tertiary island-arc volcanic suite of King George Island, South Shetland Islands / K. Birkenmajer, E. Soliani, Jr. & K. Kawashita. - Sequence stratigraphy for cenozoic glacial rocks of the Antarctic Continental margin - a lesson from Prydz Bay Drilling / A. K. Cooper. - Jurassic accretion of a high buoyancy guyot in Southern-most South America: the Diego Ramirez Islands / J. Davidson, E. Godoy, F. Herve, C. Mpodozis & N. Munoz. - Age and petrogenesis of the granitic basement rocks, Brown Hills, Transantarctic Mountains / R. P. Felder & G. Faure. - Age of the Chlamys-Bearing Conglomerate (paleogene) from King George Island in the light of micropaleontological data / A. Gazdzicki. - Tectonic implications of 40Ar/39Ar ages from the Elephant Island Group, Antarctica / A. M. Grunow, I. W. D. Dalziel, T. M. Harrison & M. T. Heizler. - New Rb-Sr age data on the Scotia metamorphic complex at Clarence Island / F. Herve, H. Miller, W. Loske, A. Milne & R. Pankhurst. - Sedimentary structures in rift basins on the conjugate margins of Antarctica/Ross Sea and Australia/Western Tasmania, South Tasman Rise / K. Hinz, M. Hemmerich, U. Salge & O. Eiken. - Was there a significant glacial episode on the Antarctic Peninsula during the middle Holocene? / Chr. Hjort & O. Ingolfsson. - Rb-Sr and K-Ar dating of granite harbour intrusives and rhyolites from North North Victoria Land, Antarctica / H. Kreuzer, C. Carl, A. Höhndorf, P. Müller, N. W. Roland & F. Tessensohn. - Radiometric dating of Jurassic supergroup Tholeiites: a review / P. R. Kyle. - Cretaceous-tertiary history of the Kergulen Plateau revealed from the Marion Dufrese Piston Core and dredging crusies / L. Leclaire, F. Fröhlich & Y. Bassias. - Geologic events of the last 100 million years revealed by K-Ar dating of volcanic rocks in Marie Byrd Land / W. E. LeMasurier & D. C. Rex. - Radiolarian biochronology from the subantarctic Atlantic Ocean / H. Y. Ling. - U-Pb Zircon ages of xenoliths at Cape Dubouzet, Northern Antarctic Peninsula / W. Loske, H. Miller, A. Milne & F. Herve. - Th-230 and Be-10 chronology of sediments from the Weddell Sea / A. Mangini, P. Walter & A. Eisenhuber. - Tephrostratigraphical investigations on marine and limnic ash-layers from Bransfield Strait Region, Antarctica / D. Matthies, R. Mäusbacher & D. Storzer. - Significance of detrital zircons from the Trinity Peninsula Group sediments for the reconstruction of Gondwana / H. Miller & W. Loske. - Geochronology of the basement to Graham Land, Antarctic Peninsula / A. J. Milne & I. L. Millar. - Implications of Sm-Nd garnet ages for the stratigraphy of Northern Graham Land, Antarctic Peninsula / A. J. Milne, I. L. Millar & A. G. Whitham. - A review of isotopic data from Western Dronning Maud Land, Antarctica / A. B. Moyes & J. M. Barton Jr. - Metamorphic rocks and charnokite in Gjelsvikfiella and Western Muhlig-Hofmannfjella, and their Rb/Sr ages / Y. Otha & B. Torudbakken. - The geochronology of the Jones Mountains and Thurston Island, Central West Antarctica / R. J. Pankhurst, I. L. Millar, A. M. Grunow & B. C. Storey. - Sr isotopes in volcanic rocks from Deception Island, and their genetic significance / C. A. Parica & H. A. Ostera. - Paleomagnetic stratigraphy of drill-cores from McMurdo Sound and Taylor Valley, Antarctica / H. J. Rieck. - Variability of scavenging in the Southern Ocean. Implications for stratigraphy based on radioisotope- and manganese accumulation / M. M. Rutgers van der Loeff & G. W. Berger. - Dating of the cenozoic magmatic province at the Ross Sea Coast of Northern Victorica Land, Antarctica / M. Schmidt-Thome, H. Kreuzer, H. Lenz, P. Müller, F. Tessensohn & U. Vetter. - Reconnaissance fission track dating within West Antarcticca / B. C. Storey, R. J. Pankhurst, I. B. Evans & A. Carter. - New radiometric age data from Elephant Island, South Shetland Islands / R. A. J. Trouw, R. J. Pankhurst & K. Kawashita. - Antarctic cenozoic geochronology / P. N. Webb. - Radiometric age determinations of late cenozoic alkalli McMurdo Volcanic Group Rocks. Discovery volcanic subprovince, Ross Sea, Antarctica / A. C Wright-Grassham, P. R. Kyle, K. Foland, F. Mcdowell & D. Lux.

Note: Contents Preface / Minnie Aodla Freeman Foreword / Dr. William E. Taylor, Jr. PART ONE A LAND MOLDED BY ICE / Fred Bruemmer 1 The Northern Vision 2 The Circumpolar Realm Photo Essay: The Surprising Arctic 3 Trial by Ice 4 Hunters and Herders Photo Essay: Arctic Waters 5 Early Exploration 6 The Arctic Route to Cathay Photo Essay: From the Mountains to the Sea 7 Fur Empires of Siberia and Alaska 8 Arctic Knights 9 From Furs to Factories Photo Essay: Polar Animals and Birds PART TWO THE ARCTIC WILDERNESS 10 Wildlife of the Sea and Land / Dr. Thor Larsen 11 Plants of the Arctic and Sub-Arctic / Dr. Frans Wielgolaski Photo Essay: A Brief Flowering PART THREE PEOPLE OF THE FAR NORTH 12 The Ancient Arctic / Dr. Robert McGhee Photo Essay: Traditional Life 13 Polar Exploration / Academician A.F. Treshnikov 14 A Changing World / Dr. Ernest S. Burch, Jr. Photo Essay: Modern Life Index

Note: Inhaltsverzeichnis: 1. Einleitung. - 1.1. Grundlagen der Isotopengeochemie. - 1.2 Isotopieeffekte bei geologischen Prozessen. - 1.3. Einführung in die Augabenstellung. - 2. Entwicklung kieseliger Sedimente und ihrer Sauerstoffisotopenzusammensetzung. - 2.1 Entstehung und Klassifikation von kieseligen Sedimenten. - 2.2. Diagenese und Veränderung der δ18O-Werte von Cherts. - 3. Entwicklung von Kalksedimenten und ihrer Sauerstoffisotopenzusammensetzung.- 3.1. Entstehung und Charakterisierung von Kalksedimenten. - 3.2 Zur Frage des Isotopengleichgewichts zwischen biogenen Karbonaten und Ozeanwasser. - 3.3. Beeinflussung der δ18O-Werte von Tiefseekarbonaten durch selektive Auflösung von Skelettteilen während des Absinkens zum Ozeanboden. - 3.4. Einfluss von Diageneseprozessen auf die Veränderung der δ18O-Werte von Tiefseekarbonaten. - 4. Modellrechnungen für die δ18O-Records von Tiefseebohrungen. - 4.1. Zielstellung. - 4.2. Übersicht über das verwendete Datenmaterial und Programme zur Datenspeicherung und -auswertung. - 4.2.1. Datenmaterial. - 4.2.2. Programmsystem GEODAT. - 4.3 Statistische Auswertung der Daten. - 4.4. Beschreibung des Modells. - 4.4.1. Zusammenstellung der verwendeten Bezeichnungen. - 4.4.2 Modellannahmen. - 4.4.2.1. Porosität. - 4.4.2.2. Rekristallisation. - 4.4.2.3. Zusammensetzung des Sediments. - 4.4.2.4. Temperatur und δ18O-Wert des Ozeans. - 4.4.2.5. Trennparameter. - 4.4.2.6. Zusammenfassung der Modellannahmen. - 4.4.3. Ableitung des Modells. - 4.5. Ergebnisse der Modellrechnungen. - 4.6. Diskussion der Ergebnisse der Modellrechnungen. - 4.7. Berechnung von möglichen Palaeotemperaturen mit einem zeitabhängigen Modell. - 5. Zusammenfassung. - Literaturverzeichnis.

Note: Enth. auch: SCAR Working Group on Geology : meeting at Cambridge, UK, 30 August 1987. - SCAR Working Groups on Geology and Solid Earth Geophysics : joint meeting at Cambridge, UK, 31 August 1987. - SCAR Working Group on Solid Earth Geophysics : meeting at Cambridge, UK, 30 August 1987

Note: Enth. auch: SCAR Group of Specialists on Southern Ocean Ecology : meeting at Hobart, Tasmania, 3-5 September 1988. - SCAR Working Group on Geology : meetings at Hobart, Tasmania, 5 and 9 September 1988. - SCAR Working Group on Solid Earth Geophysics : meetings at Hobart, Tasmania, 5 and 9 September 1988. - SCAR Working Groups on Geology and Solid Earth Geophysics : joint meeting at Hobart, Tasmania, 5-8 September 1988. - SCAR Working Group on Logistics and Managers of National Antarctic Programmes : meeting at Hobart, Tasmania 5-9 September 1988.

Note: Inhaltsverzeichnis: 1 Store Fröen - eine Kindheit am Rand der dunklen Wälder. - 2 Kristiania, Schule und Examen - aber was danach?. - 3 Mit der "Viking" an die Küste des Märchenlandes. - 4 Die Bergener Jahre, Studium und Träume - und der Alte sagt doch ja. - 5 Auf Schneeschuhen durch Grönland - sechs Männer bezwingen die Eiswüste. - 6 Eine Frau fürs Leben - und der Pol lockt. - 7 Ein Schiff wird zur Heimat - mit der "Fram" ins Niemandsland. - 8 In Nacht und Eis - ein Forschungsprogramm, wie es noch keines gab. - 9 Aufbruch zum Pol und der Kampf ums Überleben. - 10 Stürmische Jahre - Weiterleben gegen die Schläge des Schicksals. - Zeittafel zur Biografie Fridtjof Nansens. - Worterklärungen. - Literatur.

Note: Beilage unter dem Titel: Symposium on Antarctic Research : Potsdam, G.D.R. September 11-14, 1989 ; Second Circular , Beilage unter dem Titel: Morphometrical and ecological differences between South Polar and Brown Skuas of Fildes Peninsula, King George Island, South Shetland Islands / H.-U. Peter, M. Kaiser, A. Gebauer (Abstract)

Note: CONTENTS Abstract Preface Introduction Statement of the problem Purpose and scope Background - the physical environment and airport pavements Physical environment of study area Comparison of highway and general aviation airport pavements Types of pavements and surface treatments Pavement distress and condition rating Surveys of airport pavement distress Airport pavement performance problems in cold regions Cracking Distortion and pavement faulting Disintegration Inadequate skid resistance Improper maintenance Stripping Statement of research needs Basis for statement of research needs Performance of overlays Recycling/reconstructing airport pavements Drainage of airport pavement structures Eliminating/accommodating differential frost heave Evaluation of adequacy of design procedures Maintenance products and performance Control of transverse cracking Additives for asphalt concrete Performance documentation Wildlife conservation vs aircraft safety Literature cited Appendix A: Questionnaire and listing of airports contacted Appendix B: Summary listing of questionnaire responses Appendix C: Narrative summary of site visits

Note: CONTENTS Abstract Preface Introduction Blue-ice areas Blue-ice areas as airfield sites The formation of blue-ice areas Ablation rates at blue-ice areas Exploratory surveys at blue-ice areas Mount Howe Mill Glacier / Plunket Point Patriot Hills Rosser Ridge Mount Lechner The S-1 site near Casey station The McMurdo "Pegasus Site" Surface roughness of blue ice Analysis and characterization of surface roughness Surface preparation to reduce ice roughness Ground facilities Ground transport Conclusions and recommendations Literature cited and selected references Appendix A: Survey data for Patriot Hills, Mount Howe and Mill Glacier Appendix B: Analysis of surface roughness at blue-ice sites Appendix C: Meteorological conditions to be expected in summer in the Trans-antarctic Mountains

Note: CONTENTS Abstract Preface Introduction Background Formation, growth, and structure of sea ice Oceanic frazil production Multiyear ice Equilibrium growth Summer ice decay Annual layering Salinity distribution in sea ice Chemistry of sea ice Study area description Objectives Methodology Sample collection Blanks Chemical analyses Thin sections Data reduction Results and discussion First-year ice Multiyear ice Comparison of first-year and multiyear ice Summary Conclusions Future work References Appendix A: Concentration of chemical species in sea ice as reported in the literature Appendix B: Ice and water data Appendix C: Linear regression data

Note: Contents 1 Noctilucent Clouds 1.1 Introduction 1.2 How, When and Where Noctilucent Clouds Are Seen 1.3 Amateur Observations 1.4 Cloud Types 1.5 Structure of the Upper Atmosphere 2 History 2.1 Introduction 2.2 The Discovery of the "Shining Night-Clouds" 2.3 Measurements of Noctilucent Clouds 2.4 The Middle Period of Noctilucent Cloud Research 3 Observations from Ground Level 3.1 Introduction 3.2 The Geometry of Twilight Scattering 3.3 Latitude of Observation 3.4 Absorption of Light in the Atmosphere 3.5 Height of Noctilucent Clouds 3.6 Drift Motions 3.7 Wave Structure 4 Spectrophotometry 4.1 Introduction 4.2 Spectroscopic Observations 4.3 Spectrophotometry from Ground Level 4.4 Rocket-Borne Photometers 4.5 Spectrophotometry from Satellites 4.6 Conclusions About Cloud Particle Sizes 5 Polarimetry 5.1 Introduction 5.2 Polarization by Scattering 5.3 Measurement of Polarized Light 5.4 Polarization Measured from Ground Level 5.5 Measurements of Polarization from Rockets 5.6 Conclusions About Cloud Particle Sizes 6 Rocket-Borne Sampling 6.1 Introduction 6.2 Flights over Sweden in 1962 and 1967 6.3 Flights over Sweden in 1970 and 1971 6.4 Flights over Canada in 1968 and 1970 6.5 Collectors Flown by Max-Planck-Institut Researchers, 1968 to 1971 6.6 Conclusions About Cloud Particle Sizes 7 Variation of Occurrence 7.1 Introduction 7.2 Sunspot Cycle 7.3 Seasonal Frequency of Noctilucent Clouds 7.4 Climatology of the Mesosphere 8 Other Observations 8.1 Introduction 8.2 Association with Hydroxyl Airglow Emission 8.3 Association with Aurora and Planetary Magnetic Activity 8.4 Lunar Effects 8.5 Lidar Observations 8.6 Artificial Noctilucent Clouds 8.7 Abnormal Observations 9 Environment of Noctilucent Clouds 9.1 Introduction 9.2 Atmospheric in Temperature 9.3 D-Region 9.4 Dust 9.5 Water Vapour in the Mesosphere 9.6 Radiation 9.7 Rates of Growth 9.8 Nucleation of Ice 9.9 Settling of Particles 9.10 Modelling Noctilucent Clouds by Numerical Simulation 10 The Nature of Noctilucent Clouds 10.1 Introduction 10.2 Formation in Noctilucent Clouds 10.3 Growth of Noctilucent Cloud Particle 10.4 Evaporation of Noctilucent Cloud Particles 10.5 The Relationship Between Polar Mesospheric Clouds and Noctilucent Clouds 10.6 Summary 11 Bibliography A) Before 1900 B) 1900-1950 C) Bibliography since 1950 Appendix 1: Atmospheric Refraction . Appendix 2: Atmospheric Transmission Along Grazing Pays Subject Index Name Index

Note: POSTER: ODP Leg 122 - Palynostratigraphie und Korrelation von Site 759 und Site 760 / W. Brenner. - Stoffbestand, Genese und Entwicklung gabbroider Gesteine der ozeanischen Unterkruste / R. Emmermann & A. Hoffmann. - Massenspektrometrische Bor-Isotopenbestimmung in Ozeanbodenbasalten und -sedimenten / J. Erzinger & E. Zuleger. - Fazies und Paläozeanographie glazial/interglazialer Sedimente des Europäischen Nordmeers / R. Henrich. - Geochemische Untersuchungen an Aschenlagen der Südatlantik-Legs 113 und 114 / H.-W. Hubberten, W. Morche, F. Westall & D. K, Fütterer. - Heat flow and fluid flow in deep-sea sediments and ocean crust / J. Mienert & R. P. von Herzen. - ODP Leg 114: Bolboforma (Algae, Chrysophyta) im subantarktischen Paläogen / D. Spiegler. - Magnetostratigraphie tertiärer Sedimentfolgen vom Maud Rise, Weddell See - Ergebnisse von ODP Leg 113 / V. Spiess & N. Nowaczyk. - Sedimentologische Untersuchungen an quartären und tertiären Sedimenten von ODP Site 647, Labrador See / R. Stax & R. Stein. - Corg-Gehalt und Sedimentationsrate - ein 'Paleoenvironment-Indikator' in marinen Sedimenten / R. Stein. - Calcareous nannofossils from DSDP Hole 530A: their biostratigraphy and correlation with paleomagnetic reversals / J. C. Steinmetz & H. Stradner. - Eine Methode zur genetischen Unterscheidung der magnetischen Mineralfraktion in Tiefseesedimenten / T. von Dobeneck. - VORTRÄGE : Zur Stabilität der Magnetosomen: typische Magnetofossilien im limnischen und marinen Bereich / G. Amarantidis, H. Vali, G. Morteani, J. Müller, N. Petersen & L. Bachmann. - Austauschprozesse des organischen Materials zwischen Porenwasser und Sediment - Leg 112, Peru Margin / Arbeitsgruppe E. T. Degens. - Planung von Bohrungen in sediment-bedeckten Krustenakkretionszonen / H. Bäcker. - Chemische Stoffbilanzen zwischen Meerwasser, ozeanischer und ophiolithischer (Troodos) Kruste / U. Bednarz & H.-U. Schmincke. - Mikrogefüge, Deformationsmechanismen und Fluids im Barbados-Akkretionskeil / J. H. Behrmann & D. J. Prior. - Organische Geochemie der Sites 767 und 768, ODP Leg 124, Celebes und Sulu See / U. Berner. - Die sedimentären Abfolgen der Celebes und Sulu See (Leg 124) / Ch. Betzler & Leg 124 Shipboard Scientific Party. - Zusammensetzung und Herkunft von Aschenlagen und die Frage magmatischer Episodizität im Nordatlantik / P. R. Bitschene & H.-U. Schmincke. - Die vulkano-tektonische und magmatische Entwicklung des Kerguelen Plateaus (KP, südlicher Indischer Ozean) / P. R. Bitschene, K. Mehl, H.-U. Schmincke & Leg 120 Shipboard Party. - The Toba Ash, older tephra layers and basement rocks of the eastern Indian Ocean - ODP Leg 121 / J. Dehn, H.-U. Schmincke & Leg 121 Shipboard Party. - Schwellen-Becken-Sedimentation im Jura: Vergleich Alpen Atlantik / O. Ebli. - Glaziale Entwicklung der Prydz Bay, Ostantarktis (ODP Leg 119) / W. U. Ehrmann. - Palynologische Untersuchungen in miozänen Sedimenten des Nordatlantiks - erste Ergebnisse von Site 408/Leg 49; Site 554/ Leg 81 und Site 400/ Leg 48 / E. Engel & H. Zankl. - Känozoische Biochronologie und Paläozeanographie der Norwegischen See: Synthese ODP Leg 104 / R. Goll, S. Locker, O. Spiegler, U. Beil, R. Henrich & J. Thiede. - Magnetostratigraphie der Sedimente von Leg 120 / F. Heider, H. Inokuchi & ODP Leg 120 Shipboard Scientific Party. - Flüssigkeitseinschlüsse als Indikator für hochtemperierte Alteration im Sheeted Dike Komplex der ozeanischen Kruste (Bohrung 504B, Leg 111) / P. M. Herzig, D. Schöps & G. Friedrich. - Zum geologischen Aufbau des argentinischen Kontinentalrandes: Ergebnisse einer seismischen Übersichtsmessung der BGR / K. Hinz & H. Meyer. - Zur Ablagerungsgeschichte des Kerguelen Plateaus, südlicher Indischer Ozean (ODP Leg 120) / A. Mackensen & Leg 120 Scientific Party. - Entstehung des Kerguelen - Plateaus: erste Ergebnisse der Legs 119 und 120 / K. Mehl, P. R. Bitschene, H.-U. Schmincke & Leg 119 Shipboard Party. - Ein Modell für globale Plattenbewegungen im Mesozoikum und Känozoikum / R. D. Müller. - Biostratigraphisch-paläontologische Ergebnisse von ODP Leg 123 / J. Mutterlose. - Zyklische Sedimentation in der Mittelkreide von Umbrien / S. Noe. - Compositional variation and internal structure of igneous oceanic crust exposed in the Galapagos Microplate / T. H. Puchel & N. Blum. - Pauschale und molekulare organisch-geochemische Signale in den Sedimenten der Auftriebszone vor Peru (ODP Leg 112) / J. Rullkötter, H. L. Ten Haven, R. Stein, R. Littke & D. H. Welte. - Leg 123 - Multivariate Statistik zur Sedimentologie / M. Schott. - Wird es arktische Tiefseebohrungen geben? / J. Thiede. - Die Geburt des Indischen Ozeans (erste Ergebnisse von ODP-Leg 123/ Argo Abyssal Plain off NW Australia) / J. Thurow & Shipboard Scientific Party ODP-Leg 123. - Die Klimaentwicklung der Sahara und der Sahelzone während der letzten 8 Mill. Jahre (Ergebnisse von ODP-Sites 657-661) / R. Tiedemann, M. Sarnthein, B. Stabell & R. Stein. - HRTEM characterization of single-domain magnetic particles from a deepsea sediment / H. Vali, J. L. Kirschvink, G. Morteani, L. Bachmann & N. Petersen. - Paläoenvironment der Riftphase und des Rift-Drift-Übergang am Exmouth Plateau (NW Australien): Kurzbericht über ODP-Leg 122 und ein BGR-Forschungsprojekt / U. von Rad, W. Brenner & G. Wirsing. - Fluktuationen und Biostratigraphie benthischer Foraminiferen an Site 658 und 659, Leg 108 (Pleistozän, Pliozän) / P. Weinholz & G. F. Lutze.

Note: CONTENTS Abstract Preface Introduction Objectives and procedures Equipment Radar Brash ice probe Temperature measurements St. Clair River ice conditions Results and discussion Thickness and temperature Size distribution Radar survey Discussion of errors Porosity Phase state of the ice Partial submergence of individual pieces Spectra of reflected energy Conclusions and recommendations Literature cited Appendix A: Laboratory verification of surface scattering from a simulated ice jam Appendix B: Display of digitized and processed data

Note: CONTENTS PREFACE ACKNOWLEDGEMENTS AN INTRODUCTORY NOTE CHAPTER 1 THE CHALLENGE Oil and gas pipelines: early development Pipelines for cold regions Pipelines and the public interest Where does the "North" begin? The freezing of soils Permafrost CHAPTER 2 THE TERRAIN IN COLD REGIONS Patterned ground Solifluction and other soil movements on slopes Ice-wedge polygons, pingoes and palsar Other ice in the ground and thermokarst The climate of the ground CHAPTER 3 A BRIEF HISTORY OF GEOTECHNICAL ACTIVITIES AND ASSOCIATED SCIENTIFIC RESEARCH IN THE NORTH The passive, or pre-technological approach Post-war Northern development and the geotechnical approach up to 1960 Pressure The scientific approach What happens when soils freeze? Conservation and concern for the natural environment CHAPTER 4 THE TRANS-ALASKA PIPELINE The first big pipeline on permafrost Permafrost and earthquakes Terrain conditions and site investigations The pipeline and hydrological conditions Solutions to the problems The completed pipeline CHAPTER 5 THE GAS PIPELINES AND THE FROST HEAVE PROBLEM The Mackenzie Valley pipeline Frost heave and the cold pipeline Origin of the heaving pressure Frost heave and the shut-off pressure Measuring the movement of water through frozen ground A difference of opinion A change of plans CHAPTER 6 THE ALASKA HIGHWAY PIPELINE The approved pipeline Some general problems applying to gas pipelines Creeping soils, rivers, and glacier-dammed lakes The Alaska Highway Pipeline and the frost heave problem Another change of plans CHAPTER 7 MORE PIPELINES, MORE SCIENCE AND MORE POLITICS Russian pipelines The Norman Wells oil pipeline Applied science carried out by a company A pipeline bent in France International science More mega projects CHAPTER 8 FREEZING GROUND, SCIENCE AND SOCIETY Pipelines in cold places: the future A new problem or an old one? A scientific challenge neglected Who is responsible? The unanswered questions Conclusion

Note: Zugl.: Basel, Univ., Dipl.-Arb. , Inhaltsverzeichnis: Vorwort. - Inhaltsverzeichnis. - Abbildungsverzeichnis (inkl. Karten). - Tabellenverzeichnis. - Fotoverzeichnis. - 1. Einleitung. - 2. Das Untersuchungsgebiet. - 2.1 Lage des Untersuchungsgebietes. - 2.2 Klimatische Verhältnisse. - 2.3 Geologische und geomorphologische Verhältnisse. - 2.4 Vegetationsverhältnisse. - 3. Methodisches Vorgehen. - 3.1 Feldarbeit. - 3.2 Laborarbeit. - 4. Standortkatalog. - 5. Boden als Speicher in den untersuchten Geoökosystemen. - 5.1 Erfassung der bodenwasser- und nährstoffhaushaltlichen Parameter. - 5.2 Die Hauptbodentypen des Arbeitsgebietes. - 5.3 Bodenfeuchteverhältnisse. - 5.4 Sorptionsverhältnisse. - 5.5 Nährstoffreserven. - 5.6 Nährstoffe in der Bodenlösung. - 5.6.1 Mittlere Nährstoffkonzentrationen. - 5.6.2 Funktionale Aspekte der Nährstoffvariation in der Bodenlösung. - 6. Schnee als Speicher in den untersuchten Geoökosystemen. - 6.1 Methodik der Schneeerfassung. - 6.2 Aufbau und Verteilung der Schneedecke zu Beginn der Untersuchungsperiode. - 6.3 Raum-Zeit-Veränderung der Schneedecke. - 6.4 Bedeutung des Schnees als Wasserspeicher. - 6.5 Bedeutung des Schnees als Nährstoffspeicher. - 6.5.1 Nährstoffeintrag durch Niederschläge. - 6.5.2 Nährstoffeintrag durch Windverfrachtungen und -speicherung an der Schneedeckenoberfläche. - 6.5.3 Nährstoffspeicherung und -umsetzung in der Schneedecke. - 6.5.4 Nährstoffaustrag. - 6.6 Zusammenfassende Betrachtung zur Bedeutung des Schnees in hocharktischen Ökosystemen. - 7. Permafrost. - 7.1 Methodik der Permafrostkartierung. - 7.2 Allgemeine Beobachtungen zur Permafrostspiegelabsenkung. - 7.3 Vergleich der Permafrostspiegelabsenkung an den fünf Stationen. - 7.4 Nährstoffe im Permafrost. - 8. Perspektiven. - 9. Zusammenfassung. - 10. Literaturverzeichnis.

Note: Inhaltsverzeichnis Teil 1. Übersicht 1. Der Gegenstand der Hydrologie 2. Wassermengen, Wasserkreislauf und Wasserbilanz der Erde 2.1. Die Evolution der Hydrosphäre und des Wasserkreislaufes 2.2. Die Wassermengen der Erde 2.3. Der Wasserkreislauf der Erde 2.4. Die Wasserbilanz der Erde 3. Energie- und Stoffhaushalt 3.1. Besonderheiten des Naturstoffes Wasser 3.2. Wasserkreislauf und Wasserbeschaffenheit 3.3. Energiehaushalt 3.4. Stoffhaushalt 3.4.1. Allgemeines 3.4.2. Sauerstoff-Kohlenstoff-Haushalt 3.4.3. Stickstoffkreislauf 3.4.4. Phosphorkreislauf 3.4.5. Schwefelkreislauf 3.4.6. Stoffaustrag aus den Einzugsgebieten 3.4.7. Auswirkungen der Verschmutzung und Sanierungsmöglichkeiten bei den Haupttypen der Gewässer 3.4.8. Wasserschadstoffe 4. Die wichtigsten hydrologischen Prozesse und Systeme 4.1. Prozesse, Systeme und Modelle 4.2. Das Wasser im System Boden - Pflanze - Atmosphäre 4.3. Das Wasser im Einzugsgebiet 4.4. Das Maßstabsproblem 5. Zur Geschichte der Hydrologie 6. Bedeutung der Hydrologie für die Volkswirtschaft 6.1. Wasserressourcen und Wasserbewirtschaftung 6.2. Hydrologie - Basiswissenschaft der Wasserressourcen-Bewirtschaftung Literaturverzeichnis zum Teil 1 Teil 2. Erfassung und Ausweitung hydrologischer Daten 7. Hydrometrie 7.1. Aufgaben und Inhalt der Hydrometrie 7.2. Wasserstand 7.2.1. Kriterien für die Standortwahl der Meßstellen 7.2.2. Nichtregistrierende Pegel 7.2.3. Mechanischer Schwimmerschreibpegel 7.2.4. Druckluftpegel 7.2.5. Fernpegel 7.3. Durchfluß 7.3.1. Der Zweck von Durchflußmessungen 7.3.2. Messung des Druchflusses mit Hilfe des Flügels 7.3.3. Auswertung der Flügelmessung 7.3.4. Verdünnungsmessungen 7.3.5. Meßwehre 7.3.6. Venturikanal 7.3.7. Ultraschallmessung 7.3.8. Wasserstand-Durchfluß-Beziehung 7.4. Grundwasserbeobachtung 7.4.1. Überblick 7.4.2. Messung des Grundwasserstandes 7.4.3. Quellschüttungsmessungen 7.4.4. Durchfluß- und Beschaflenheitsmessungen 8. Zur Auswertung hydrologischer Daten 8.1. Überblick 8.2. Ganglinie, Summen-und SummendifTerenzlinie 8.3. Primärstatistische Auswertung 8.3.1. Häufigkeiten 8.3.2. Summenhäuflgkeiten 8.3.3. Statistische Maßzahlen 8.3.4. Gewässerkundliche Hauptzahlen 8.4. Wahrscheinlichkeitsanalysen 8.4.1. Begriffe und grundsätzliche Zusammenhänge 8.4.2. Die Normalverteilung 8.4.3. Aufbau und Nutzung von Wahrscheinlichkeitsnetzen 8.4.4. Die Pearsonverteilung Typ III 8.4.5. Das Wiederkehrintervall 8.5. Korrelationsanalyse 8.5.1. Korrelationskoeffizient 8.5.2. Reihenkorrelationskoeflizient Literaturverzeichnis zum Teil 2 Teil 3: Die Elemente des Wasserhaushalts 9. Der Niederschlag 9.1. Haupttypen und Arten des Niederschlags 9.2. Niederschlagsmessung 9.2.1. Punktuelle Niederschlagsmessung 9.2.2. Messung des Gebietsniederschlags 9.3. Auswertung von Punkt- und Gebietsniederschlagsmessungen 9.3.1. Punktniederschläge 9.3.2. Gebietsniederschläge für Einzugsgebiete 9.4. Stark-und Bemessungsniederschläge 9.5. Zeitliche und räumliche Verteilung des Niederschlags 9.6. Stochastische Analyse und Simulation des Niederschlags 9.6.1. Aufgabe 9.6.2. Modelle mit geringer zeitlicher Auflösung (Monats- und Jahreswerte) 9.6.3. Modelle hoher zeitlicher Auflösung 9.7. Wasserabgabe aus der Schneedecke 9.7.1. Grundbegriffe und Grundlagen 9.7.2. Ermittlung der Wasserabgabe aus der Schneedecke 10. Verdunstung 10.1. Begriffe, Prozesse und Aufgabenstellung 10.2. Messung der Verdunstung 10.3. Berechnung der potentiellen Evapotranspiration 10.3.1. Berechnung langjähriger Mittelwerte von ETP 10.3.2. Berechnung aktueller Einzelwerte von ETP 10.4. Berechnung der realen Verdunstung 10.4.1. Berechnung langjähriger Mittelwerte von ETR 10.4.2. Berechnung aktueller Werte der realen Verdunstung 10.4.3. Berechnung der Gebietsverdunstung aus'Klimabeobachtungen 10.5. Verdunstung freier Wasserflächen 10.5.1. Allgemeines 10.5.2. Bestimmung der Gewässerverdunstung nach Daten von Floßverdunstungskesseln 10.5.3. Berechnung der Gewässerverdunstung nach der Wärmehaushaltsmethode 10.5.4. Aerodynamische Methode 10.5.5. Ermittlung der Gewässerverdunstung aus Klimabeobachtungen 11. Der Abfluß 11.1. Allgemeine Grundlagen 11.2. Die Abflußkomponenten 11.2.1. Allgemeines 11.2.2. Durchflußganglinien-Seperation nach dem Einzellinearspeicher-Prinzip 11.2.3. Die Bilanzierung der separierten Durchflußganglinie 11.3. Stochastische Analyse von Durchflußbeobachtungsreihen 11.4. Langfristige Durchflußschwankungen 11.5. Mathematische Modelle zur stochastischen Simulation des Durchflußprozesses 11.5.1. Grundlagen 11.5.2. Grundtypen stochastischer Modelle 11.5.3. Zur Identifikation des Modelltyps 11.6. Inneijährliche Durchflußschwankungen 11.6.1. Darstellung der inneijährlichen Durchflußschwankungen 11.6.2. Modellierung des Jahrgangs 11.7. Abfluß-und Durchflußänderungen infolge anthropogener Einflüsse 12. Die Speicherung in den Einzugsgebieten 12.1. Übersicht 12.2. Wasserspeicherung in der Schneedecke 12.3. Wasserspeicherung in oberirdischen Gewässern 12.4. Wasserspeicherung in der ungesättigten Bodenzone 12.5. Wasserspeicherung in der Grundwasserzone 12.6. Größenvergleich natürlicher und künstlicher Speicherräume Literaturverzeichnis zum Teil 3 Teil 4: Die oberirdischen Gewässer 13. Die fließenden oberirdischen Gewässer und ihre Einzugsgebiete 13.1. Übersicht, Begriffe 13.2. Strukturen und Eigenschaften von Flußgebieten 13.2.1. Übersiqht 13.2.2. Flußnötze 13.2.3. Flußlängen 13.2.4. Einzugsgebietsflächen 13.2.5. Gefällewerte 13.2.6. Die hypsometrische (Flächen-Höhen)Kurve 13.2.7. Weitere geomorphologische Kennwerte 13.3. Maßverhältnisse der Flußbetten 13.3.1. Flußbettbildung 13.3.2. Der Grundriß der Flüsse 13.3.3. Der Längsschnitt der Flüsse 13.3.4. Der Querschnitt der Flüsse und hydraulische Flußbettgeometrie 13.4. Der Durchfluß der Flüsse 13.4.1. Berechnung des Durchflusses in den Fließgewässern 13.4.2. Durchflußkomponenten und Durchflußbereiche 13.4.3. Flußtypen 13.5. Stoffabtrag und Stoffiransport 13.5.1. Übersicht 13.5.2. Bodenerosion durch Wasser 13.5.3. Linienhafter Abtrag durch fließendes Wasser und Feststoffiransport 13.5.4. Gelöste Stoffe 13.6. Wärmehaushalt der Fließgewässer 13.6.1. Berechnung der Wassertemperatur in Fließgewässern 13.6.2. Eisbildung in fließenden Gewässern 13.7. Nutzung und Schutz der Fließgewässer 13.7.1. Selbstreinigung der Fließgewässer 13.7.2. Klassifizierung der Wasserbeschaffenheit 14. Die stehenden oberirdischen Gewässer 14.1. Übersicht 14.2. Die Gestalt der Seen und ihre Veränderung 14.2.1. Die wichtigsten morphometrischen Kennwerte 14.2.2. Die Verlandung der Seen 14.3. Hydrologische Seentypen und hydrologische Zusammensetzung des Seewassers 14.4. Wärmehaushalt der Seen 14.4.1. Wärmebilanz und Wärmegehalt der Seen 14.4.2. Thermik der Seen 14.5. Wasserbewegung und Austausch in Seen 14.5.1. Charakter und biologische Bedeutung der Wasserbewegung 14.5.2. Wellenbewegungen 14.5.3. Strömungen in Seen 14.5.4. Numerische Modellierung der Zirkulation in Seen 14.6. Nutzung und Schutz der Standgewässer 14.6.1. Klassifizierung der stehenden Oberflächengewässer 14.6.2. Wassergüte-Bewirtschaftungsstrategien für stehende Oberflächengewässer 14.7. Seerückhalt Literaturverzeichnis zum Teil 4 Teil 5: Das unterirdische Wasser 15. Das Wasser in der Aerationszone 15.1. Die Stellung der Aerationszone im hydrologischen Kreislauf 15.2. Korngrößenverteilung im Boden 15.3. Porosität und Dichte 15.4. Der Wassergehalt des Bodens 15.5. Ginteilung des Bodenwassers nach den wirksamen Kräften 15.6. Charakteristische Werte der Wasserbindung 15.7. Potentiale des Bodenwassers 15.8. Die Saugspannung-Sättigungs-Beziehung 16. Das Grundwasser 16.1. Grundwasser und sein vielfältiges Vorkommen 16.2. Grundwasserleiter 16.3. Wechselbeziehungen zwischen Aerations- und Grundwasserzone 16.4. Unterirdisches Einzugsgebiet, Gefälle und Fließrichtung des Grundwassers 16.5. Grundwasserstandsschwankungen und ihre Ursachen 16.6. Probleme und Aufgaben der Grundwasserbewirtschaftung 17. Die Dynamik des unterirdischen Wassers 17.1. Überblick 17.2. Die dynamische Grundgleic

Note: 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

Note: Inhalt: GRUNDLAGEN. - Was versteht man unter Wetter, Witterung, Klima?. - Meteorologie - die Wissenschaft von Wetter und Klima. - Die Atmosphäre - Zusammensetzung und Aufbau. - Die meteorologischen Elemente - Metechniken und Meßverfahren. - Schichtung der Atmosphäre. - Energieumsätze in der Atmosphäre. - Das Wasser in der Atmosphäre. - Luftbewegungen - Ursachen und Zusammenhänge. - Kleinräumige und großräumige Zirkulationen. - Optische und luftelektrische Erscheinungen. - DAS WETTER - VON DER BEOBACHTUNG BIS ZUR VORHERSAGE. - Gewinnung, Sammlung und Verarbeitung synoptischer Daten. - Die Wetteranalyse - synoptische und numerische Verfahren. - Luftmassen. - Fronten und Frontalzonen. - Tiefdruckgebiete und Hochdruckgebiete. - Die Höhenströmung. - Großwetterlagen. - Wirbelstürme. - Die Wettervorhersage. - DAS KLIMA - VON DEN DATENGRUNDLAGEN BIS ZUR ANWENDUNG KLIMATOLOGISCHER FORSCHUNGSERGEBNISSE. - Das Klima - Datenbasis und Darstellungsformen. - Analyse der klimatischen Verhältnisse. - Klimaklassifikationen und Klimazonen. - Spezielle Klimate. - Wichtige Anwendungsbereiche der Klimatologie. - Das Klima in Vergangenheit und Gegenwart. - WETTER- UND KLIMABEEINFLUSSUNG. - ORGANISATIONEN. - Personenverzeichnis. - Register.

Note: Inhalt: Die Entstehung der Expedition. - Über die Kapverden und Kapstadt zu den Kerguelen. - Auf den Kerguelen. - Zu unbekannten Küsten. - Einrichtung und Betrieb der Winterstation. - Gaußberg und Inlandeis. - Freuden und Leiden der Winternacht. - Frühjahrsschlittenreisen. - Antarktischer Sommer. - Drift im Scholleneis. - Heimwärts. - Nachwort des Herausgebers.

Note: Zugl.: Hamburg, Univ., Diss., 1988

Note: Contents PREFACE LIST OF SYMBOLS 1 INTRODUCTION 1.1 General Remarks 1.2 Historical Notes 2 EQUATIONS 2.1 The Continuity Equation 2.2 The Navier-Stokes Equations 2.3 The Equation of State 2.4 The First Law of Thermodynamics 2.5 Simplification of the Basic Equations 2.6 Averaging Procedures 2.7 Further Simplifications 3 STRUCTURE OF TURBULENCE 3.1 Transition and Instabilities 3.2 Statistical Description of Turbulence 3.3 Scales of Turbulent Flow 3.4 Equations of Higher Moment 3.5 Budgets of Turbulent Fluxes and Variances 3.5.1 Balance of turbulent kinetic energy 3.5.2 Heat flux balance 3.5.3 Momentum flux balance 3.5.4 Temperature and humidity variance and covariance balances 4 SIMILARITY 4.1 Dimensional Analysis and Similarity 4.2 The Monin-Obukhov Similarity Theory 4.2.1 Free convection regime 4.2.2 Neutral regime 4.2.3 Very stable regime 4.2.4 Empirical verification 4.3 The Rossby Number Similarity Theory 4.4 Local Similarity Theory 4.4.1 Stable boundary layer 4.4.2 Convective boundary layer 5 SPECTRAL ANALYSIS 5.1 General Considerations 5.2 Energy Spectra 5.3 Cross Spectra 5.4 Spatial Spectra 5.5 Spectral Curve-Fitting 5.6 Spectra and Cospectra in the Surface Layer 5.7 Spectra and Cospectra in the Mixed Layer 5.8 Spectra and Cospectra in the Stable Outer Layer 6 MODELING 6.1 General Remarks 6.2 Integral Models 6.3 First-Order Closures 6.3.1 Flow in the surface layer 6.3.2 The Ekman model 6.3.3 Effects of baroclinicity 6.3.4 Effects of thermal stability 6.3.5 Effects of slightly inclined terrain 6.3.6 The effects of nonstationarity 6.4 Nonlocal Closures 6.5 Higher-Order Closures 6.5.1 The momentum flux equation 6.5.2 The heat flux equation 6.5.3 The temperature variance equation 6.5.4 The dissipation rate equation 6.6 Large Eddy Simulation Models 7 DIFFUSION 7.1 General Considerations 7.2 The Statistical Theory of Diffusion 7.3 K-Theory Models 7.4 Gaussian Models 7.5 Laboratory and Large Eddy Simulation Experiments 7.6 Higher-Order Closure Models 7.7 Monte Carlo Methods 8 MEASUREMENTS 8.1 Introduction 8.2 Sensors 8.2.1 Wind sensors 8.2.2 Temperature sensors 8.2.3 Measurements of humidity fluctuations 8.2.4 Measurements of concentration 8.2.5 Static and dynamic characteristics of sensors 8.3 Platforms 8.3.1 Aircraft measurements 8.3.2 Balloons 8.4 Remote Ground-Based Observing Systems 8.4.1 Radars 8.4.2 Lidars 8.4.3 Sodars 8.5 Averaging of Measured Quantities 8.6 Major Field Experiments 8.6.1 The 1953 Great Plains experiment 8.6.2 The 1967 Wangara experiment 8.6.3 The 1968 Kansas experiment 8.6.4 The 1973 Minnesota experiment Epilogue APPENDIX A.1 Fourier Analysis A.2 The Sweeping Method A.3 Vector Operators REFERENCES INDEX

Note: Zugl.: Frankfurt(Main), Univ., Diss., 1989

Note: Zugl.: Bremen, Univ., Diss., 1989

Note: Contents: Preface. - Contributors. - 1. The Present Climate of the Arctic Ocean and Possible Past and Future States / R. G. Barry. - 2. Arctic Ice-Ocean Dynamics / W. D. Hibler III. - 3. Chemical Oceanography of the Arctic Ocean / L. Anderson and D. Dyrssen. - 4. Polar Marine Ecosystem Evolution / M. J. Dunbar. - 5. Arctic Sea-Ice Biota / R. A. Horner. - 6. Primary Production, Chlorophyll, Light, and Nutrients Beneath the Arctic Sea Ice / O. G. N. Andersen. - 7. Arctic Ocean Phytoplankton / B. R. Heimdal. - 8. Foraminifera and Pteropoda Beneath the Arctic Sea Ice: New Distributions / Y. Herman and O. G. N. Andersen. - 9. Ecology of Arctic Ocean Cryopelagic Fauna / I. A. Mel'nikov. - 10. Evolution of Arctic Ecosystems During the Neogene Period / A. N. Golikov and O. A. Scarlato. - 11. Distributional Patterns of Echinoderms in the Eurasian Sector of the Arctic Ocean / N. A. Anisimova. - 12. Marine Bivalvia of the Arctic Ocean / V. V. Fedyakov and A. D. Naumov. - 13. Arctic Ocean Gastropod Prosobranchs / A. N. Golikov. - 14. Arctic Ocean Bryozoa / V. I. Gontar and N. V. Denisenko. - 15. Arctic Ocean Mysids (Crustacea, Mysidacea): Evolution, Composition, and Distribution / V. V. Petryashov. - 16. Hydrozoa of the Eurasian Arctic Seas / S. D. Stepanjants. - 17. Arctic Ocean Cumacea / S. V. Vassilenko. - 18. Quarternary Calcareous Nannofossil Biostratigraphy: The Eastern Arctic Ocean Record / C. Card. - 19. Arctic Ocean Radiolarians / S. B. Kruglikova. - 20. Diatoms in Arctic Shallow Seas Sediments / E. I. Polyakova. - 21. Ecology of Recent Foraminifera on the Canadian Continental Shelf of the Arctic Ocean / C. Vilks. - 22. Thorium and Uranium Isotopes in Arctic Sediments / B. L. K. Somayajulu, P. Sharma, and Y. Herman. - 23. Late Neogene Arctic Paleoceanography: Micropaleontology, Stable Isotopes, and Chronology / Y. Herman, F. K. Osmond, and B. L. K. Somayajulu. - 24. Sediment Composition and Sedimentary Processes in the Arctic Ocean / D. A. Darby, A. S. Naidu, T. C. Mowatt, and C. A. Jones. - 25. Late Cenozoic Stratigraphy and Paleoceanography of the Barents Sea / V. S. Zarkhidze and Yu. C. Samoilovich. - 26. The Last Glaciation of Eurasia / A. A. Velitchko, L. L. Isayeva, D. B. Oreshkin, and M. A. Faustova. - 27. Geological and Paleoclimatic Evolution of the Arctic During Late Cenozoic Time / I. D. Danilov. - 28. Organic Geochemistry of Barents Sea Sediments / A. N. Belyaeva, A. I. Daniushevskaya, and E. A. Romankevich. - 29. Physiography and Bathymetry of the Arctic Ocean Seafloor / J. R. Weber. - 30. Tectonic History of the Arctic Region from the Ordovician Through the Cretaceous / L. P. Zonenshain and L. M. Napatov. - Index.

Note: Zugl.: Göttingen, Univ., Diss., 1989

Note: Contents: Preface Contributors 1. Stable Isotopes: History, Units, and Instrumentation / J. R. Ehleringer and P. W. Rundel Section I Ecophysiological Studies in Plants 2.Carbon Isotope Fractionation and Plant Water-Use Efficiency / G. D. Farquhar, K. T. Hubick, A. G. Condon, and R. A. Richards 3. Carbon Isotope Ratios and Physiological Processes in Aridland Plants / J. R. Ehleringer 4. Stable Carbon Isotope Ratio as an Index of Water-Use Efficiency in C3 Halophytes - Possible Relationship to Strategies for Osmotic Adjustment / R. D. Guy, P. G. Warne, and D. M. Reid 5. Stable Carbon Isotopes in Vernal Pool Aquatics of Differing Photosynthetic Pathways / J. E. Keeley 6. Studies of Mechanisms Affecting the Fractionation of Carbon Isotopes in Photosynthesis / J. A. Berry 7. Intertree Variability of δ13C in Tree Rings / S. W. Leavitt, and A. Long 8. Hydrogen Isotope Fractionation in Plant Tissues / H. Ziegler 9. Oxygen and Hydrogen Isotope Ratios in Plant Cellulose: Mechanisms and Applications / L. Da Silveira Lobo Sternberg 10. Stable Hydrogen Isotope Ratios in Plants: A Review of Current Theory and Some Potential Applications / J. W. C. White Section II Animal Food Webs and Feeding Ecology 11. Stable Carbon Isotopes in Terrestrial Ecosystem Research / L. L. Tieszen and T. W. Boutton 12. δ13C Measurements as Indicators of Carbon Flow in Marine and Freshwater Ecosystems / B. Fry and E. B. Sherr 13. Natural Carbon Isotope Tracers in Arctic Aquatic Food Webs / D. M. Schell and P. J. Ziemann 14. Some Problems and Potentials of Strontium Isotope Analysis for Human and Animal Ecology / J. E. Ericson 15. Natural Isotope Abundances in Bowhead Whale (Balaena mysticetus) Baleen: Markers of Aging and Habitat Usage / D. M. Schell, S. M. Saupe, and N. Haubenstock 16. Doubly-Labeled Water Studies of Vertebrate Physiological Ecology / K. A. NAGY 17. A δ13C and δ15N Tracer Study of Nutrition in Aquaculture: Penaeus vannamei in a Pond Growout System / P. L. Parker, R. K. Anderson, and A. Lawrence Section III Ecosystem Process Studies 18. Stable Isotope Ratios and the Dynamics of Caliche in Desert Soils / W. H. Schlesinger, G. M. Marion, and P. J. Fonteyn 19. The Use of Stable Isotopes in Assessing the Effect of Agriculture on Arid and Semi-Arid Soils / R. Amundson 20. Estimates of N2 Fixation in Ecosystems: The Need for and Basis of the 15N Natural Abundance Method / G. Shearer and D. H. Kohl 21. The Use of Variation in the Natural Abundance of 15N to Assess Symbiotic Nitrogen Fixation by Woody Plants / R. A. Virginia, W. M. Jarrell, P. W. Rundel, G. Shearer, and D. H. Kohl 22. 13C/12C Ratios in Atmospheric Methane and Some of Its Sources / S. C. Tyler 23. Temperature-Dependent Hydrogen Isotope Fractionation in Cyanobacterial Sheaths: Applications to Studies of Modern and Precambrian Stromatolites / G. E. Strathearn 24. Sulfur Isotope Studies of the Pedosphere and Biosphere / H. R. Krouse 25. Sulfate Fertilization and Changes in Stable Sulfur Isotopic Compositions of Lake Sediments / B. Fry 26. The Use of Stable Sulfur and Nitrogen Isotopes in Studies of Plant Responses to Air Pollution / W. E. Winner, V. S. Berg, and P. J. Langston-Unkefer 27. The Use of Stable Sulfur Isotope Ratios in Air Pollution Studies: An Ecosystem Approach in South Florida / L. L. Jackson and L. P. Gough 28. 87Sr/86Sr Ratios Measure the Sources and Flow of Strontium in Terrestrial Ecosystems / W. C. Graustein Index

Note: CONTENTS Introduction / J. C. Davis Integrating Geological Datasets With a Raster-Based Geographic In/ormation System / G. F. Bonham-Carter Integration of Geological Datasets for Gold Exploration in Nova Scotia / G. F. Bonham-Carter, F. P. Agterberg, and D. F. Wright GIS and Computer-Mapping Aspects of the Austrian Stream-Sediment Geochemical Sampling Project / G. Hausberger Power to the People! PC and Workstation Mapping and Database Systems / M. J. McCullagh Three-Dimensional Display of Geologic Data / J. N. Van Driel

Note: TABLE OF CONTENTS. PART ONE: HISTORY AND DEVELOPMENTS OF ANTARCTIC COMMUNICATIONS. - CONSIDERATION OF TELECOMMUNICATIONS BY SCAR AND ANTARCTIC TREATY CONSULTATIVE PARTIES. - ANTARCTIC TREATY RESOLUTIONS ON ANTARCTIC COMMUNICATIONS. - WMO RESOLUTIONS AND PRINCIPLES ON ANTARCTIC COMMUNICATIONS. - 1. Introduction. - 2. Engineering principles of the GTS. - 3. Functions and responsibilities of Meteorological Telecommunications Centres. - 4. Characteristics of the networks of the GTS. - 5. Operational principles of the GTS. - 6. The transmission of meteorological data on the GTS. - 7. Collection and transmission of meteorological data. - 8. Data processing. - 9. Telecommunications system. - 10. Weather reporting by traverse parties. - 11. Automatic weather stations in the Antarctic. - 12. AIREP reports. - 13. Mobile ship stations. - OTHER RELEVANT RECOMMENDATIONS AND RESOLUTIONS. - APPENDICES. - APPENDIX I. - Manual on the Global Data Processing System. - Vol. II - regional aspects, the Antarctic. - Data-processing and meteorological service activities in the Antarctic. - APPENDIX II. - Stations and observational programs comprising the Basic Synoptic Network in the Antarctic. - APPENDIX III. - Network of CLIMA T and CLIMAT TEMP reporting stations in the Antarctic. - APPENDIX IV. - Summary information of the collection of meteorological observational data by individual centres. - APPENDIX V. - Manual on the Global Telecommunications System. - Vol. II - regional aspects, the Antarctic. - Antarctic data telecommunications arrangements. - , TABLE OF CONTENTS. PART TWO: INTRODUCTION TO PART TWO. - RADIO PROCEDURES IN ANTARCTICA. - Introduction. - Distress and emergency procedures. - Control of circuits. - Traffic procedures. - USES OF CODES AND ABBREVIATIONS. - General. - Radio telegraphy. - Radio telephony. - Signal reporting codes. - Unofficial codes. - RADIO TELEPHONE OPERATIONS. - RADIO TELEPRINTER (RTTY) PROCEDURE. - General. - Preparation of teleprinter tapes. - General message format. - METEOROLOGICAL MESSAGES. - Introduction. - Format of meteorological messages. - Addressed messages. - Additional procedures. - Types of meteorological data messages. - List of stations carrying out meteorological observations. - Radio facsimile broadcasts of meteorological analyses charts. - Radio Teletype broadcasts of coded meteorological data. - ANTARCTIC STATIONS FITTED WITH INMARSAT FACILITIES. - EXCHANGE INFORMATION ON ANTARCTIC TELECOMMUNICATIONS. - EQUIPMENT AND SCHEDULES.

Note: Contents: PART 1: INTRODUCTION AND BACKGROUND. - ANTARCTICA - THE REGION AND ITS GLOBAL IMPORTANCE. - ANTARCTICA - THE SCIENTIFIC OPPORTUNITY AND CHALLENGE. - ANTARCTICA - THE INTERNATIONAL CONTEXT. - ANTARCTICA - ITS SCIENCE AS A NATIONAL RESOURCE. - ANTARCTICA - SOME IMPORTANT BENEFITS FROM RESEARCH. - PART 2: STRATEGY FOR BAS SCIENCE. - INTRODUCTION. - SCIENCE THEMES. - Pattern and Change in the Physical Environment of Antarctica. - Atmospheric Dynamics in the Antarctic. - Ice and Atmosphere Chemistry. - Dynamics of the West Antarctic Ice Sheet. - Evolution of Late Mesozoic and Cenozoic Palaeoenvironments. - Southern Ocean Palaeo-Oceanography and Palaeoclimate. - Geological Evolution of West Antarctica. - West Antarctic Crustal Development and Plate Tectonic Evolution. - Subduction-related Processes. - Dynamics of Antarctic Terrestrial and Freshwater Ecosystems. - Survival Strategies. - Ecosystems and Conservation. - Structure and Dynamics of the Southern Ocean Ecosystem. - Pelagic Ecosystem Studies. - Higher Predators. - Ecological and Physiological Adaptations. - Physics of Solar Terrestrial Phenomena from Antarctica. - Radio Wave Generation and Propagation. - Energy Flow and Dissipation within Geospace. - Humans In Isolated Polar Communities. - Antarctic Geographic Information and Mapping. - LOGISTICS REQUIREMENTS. - TIMEFRAME OF ACTIVITIES. - PART 3: STRATEGY FOR NERC SCIENCE PROGRAMMES OTHER THAN BAS. - INTRODUCTION. - NERC STRATEGY FOR THE ENVIRONMENTAL SCIENCES. - Earth Sciences. - Marine Sciences. - Terrestrial and Freshwater Sciences. - Atmospheric Sciences. - THE ROLE OF THE UNIVERSITIES AND POLYTECHNICS AND THE ANTARCTIC SPECIAL TOPIC. - LOGISTICS. - PRIVATE SECTOR/INDUSTRIAL COLLABORATION. - PART 4: CONCLUSION.

Note: CONTENTS: The Antarctic - Present and future / V. Zahariev. - The ice cover and the atmospheric CO2 / K. S. Losev. - 30 Years Research Activities of the German Democratic Republic in the Antarctic / D. Fritzsche. - The bulgarian antarctic society "Antarctica" - aims, activity and prospects in the future / S. Popov. - Features of the Antarctic climate / V. Zahariev, E. Koleva, R. Stoynova. - Features of the atmosphere circulation over the Antarctic continent / V. Zahariev, L. Kristev. - Ice covering of the Antarctuc continent / V. Zahariev, L. Kristev. - Temperature conditions in the Antarctic continent / V. Zahariev, L. Kristev . - Modeling the thermali convection of the Antarctic continent / S. Stoyanov, V. Zahariev. - Gamma locator for investigation of local sources of space photons with ultra high energies / I. Kirov, J. Stamenov, S. Ushev, V. Ianminchev. - Measurements of aerosols in the coastal sone of the Antarctic continent / N. Mihnevsky, K. Velchev. - Defining antropogenic in the show sample collected from the Antarctic continent / L. Adjarova, A. Antonov, N. Mihnevsky. - Ozone holes in the Antarctic / C. Gogosheva. - Measurements of the entire ozone content during the 17th Antarctic trip of the soviet research ship "Michail Somov" / N. Nihnevsky, P. Videnov. - Problems on the polar atmospere and magnetosphere / M. Gogoshev. - On some geomagnetic phenomena / P. Ivanova. - Spectroscopic measurements of small gas quantities in the atmosphere / S. Bogdanov, P. Videnov. - An investigation of electrical properties of the water-ice phase transition for purposes of remote sensing in Antarctic / St. Kolev. - Influence of the thermodinamic interaction in the atmosphere on the ice conditions of the world ocean surface / G. Korchev, A. Korcheva. - Participation of the Bulgarian group in the 33th soviet Antarctic expedition in season 1987/1988 / Z. Vergilov, S. Kaloyanov, N. Mihnevsky, A. Chakirov. - Reconnaissance investigation of the north part of Alexander I island / N. Mihnevsky, Z. Vergilov, S. Kaloyanov, A. Chakirov. - Finding a suitable place for the experimental buildings and mounting them on Livingston island / A. Chakirov, Z. Vergilov, S. Kaloyanov, N. Mihnevsky. - Energetic requirements, energy sources, water supply, transport machinery and building works for the Antarctic scientific stations / A. Chakirov. - Ice conditions and possibilities for navigation in the areas of the islands Alexander I and Livingston / S. Kaloyanov, Z. Vergilov, N. Mihnevsky, A. Chakirov. - Portable automatic meteorological station based on a aerological sonde / H. Brinsov. - Automatic data asquisition system with battery supply for operation in heavy weather conditions / S. Kaloyanov. - Automatic observations on the propagation of the short weves / S. Kaloyanov. - The possibility for utilizing of thermal pumps in polar conditions / S. Todorov, V. Stoyanov, G. Dineva, K. Grancharov. - Working fluids in the hidraulic systems operating in polar conditions / S. Todorov, K. Grancharov, G. Dineva. - Investigation of the operation processes of diesel engines operating electric generators in polar condition / V. H. Janakiev, I. E. Ivanov, E. A. Iliev. - Some problems of human adaptation to the cold in Subantarctic / A. Ketkin. - The first geological research activities of Bulgaria in Antarctic - some new data and preliminary conclusions Alexander Island, West Antarctica / B. Kamenov, B. H. Pimpirev. - A satellite ozonometric apparatus for atmospheric ozone monitoring above the Antarctic / J. St. Jekov, K. D. Valtchev, D. Chr. Ivanova. - Measuring the total ozone content above the Antarctic with the aid of artificial earth satellite / D. Hr. Ivanova, J. St. Jekov. , In kyrillischer Schrift , Beiträge teilweise in englischer, teilweise in bulgarischer Sprache , Mit englischem Inhaltsverzeichnis

Note: CONTENTS: I. National Committee for Antarctic Research, and National Operating Organization/Agency. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 88 - 31 March 89). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 89 - 31 March 90). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VII. Future Activities Planned & Funded (beyond 31 March 90). - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities. - X. Summary Listing of Projects.

Note: CONTENTS Preface Introduction Apparatus and procedures General approach Sled design Sled propulsion Ice sheet preparation Experimental procedure Results General remarks Effect of runner temperature Effect of runner surface Effect of ice surface conditions Effect of velocity Effect of runner materials Observations of replicate surfaces Statistical analysis Discussion Molecular interactions Mechanical deformations Thermal energy dissipation Hydrodynamidc processes Comparison of energy loss mechanisms Summary and conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction Pre-field-deployment activities Software development System optimization Improvements of the calibration procedure Real-time processing Small bird design and implementation Other improvements Field activities Snow, ice and seawater data AEM surveys Calibration AEM data processing Post-survey results Processing problem Ground truth data Floe freeboard vs thickness analysis AEM sounding results Concluding remarks Literature cited Appendix A: Blowup of Figure 28

Note: Teilweise in deutscher, englischer, französischer, russischer und spanischer Sprache

Note: Zugl.: Kiel, Univ. Diss., 1987