ALBERT

Note: Contents I Review of Current Concepts 1 Introduction 1.1 Sequence Stratigraphy: A New Paradigm? 1.2 From Sloss to Vail 1.3 Problems and Research Trends: The Current Status 1.4 Stratigraphic Terminology 2 Methods for Studying Sequence Stratigraphy 2.1 Introduction 2.2 Erecting a Sequence Framework 2.2.1 The Importance of Unconformities 2.2.2 Facies Cycles 2.2.3 Stratigraphic Architecture: The Seismic Method 2.3 Methods for Assessing Regional and Global Changes in Sea Level, Other Than Seismic Stratigraphy 2.3.1 Areas and Volumes of Stratigraphic Units 2.3.2 Hypsometric Curves 2.3.3 Backstripping 2.3.4 Sea-Level Estimation from Paleoshorelines and Other Fixed Points 2.3.5 Documentation of Meter-Scale Cycles 2.4 Integrated Tectonic-Stratigraphic Analysis 3 The Four Basic Types of Stratigraphic Cycle 3.1 Introduction 3.2 The Supercontinent Cycle 3.3 Cycles with Episodicities of Tens of Millions of Years 3.4 Cycles with Million-Year Episodicities 3.5 Cycles with Episodicities of Less Than One Million Years 4 The Basic Sequence Model 4.1 Introduction 4.2 Terminology 4.3 Depositional Systems and Systems Tracts 4.4 Sequence Boundaries 4.5 Other Sequence Concepts 5 The Global Cycle Chart II The Stratigraphic Framework 6 Cycles with Episodicities of Tens to Hundreds of Millions of Years 6.1 Climate, Sedimentation, and Biogenesis 6.2 The Supercontinent Cycle 6.2.1 The Tectonic-Stratigraphic Model 6.2.2 The Phanerozoic Record 6.3 Cycles with Episodicities of Tens of Millions of Years 6.3.1 Intercontinental Correlations 6.3.2 Tectonostratigraphic Sequences 6.4 Main Conclusions 7 Cycles with Million-Year Episodicities 7.1 Extensional and Rifted Clastic Continental Margins 7.2 Foreland Basin of the North American Western Interior 7.3 Other Foreland Basins 7.4 Forearc Basins 7.5 Backarc Basins 7.6 Cyclothems and Mesothems 7;7 Carbonate Cycles of Platforms and Craton Margins 7.8 Evidence of Cyclicity in the Deep Oceans 7.9 Main Conclusions 8 Cycles with Episodicities of Less Than One Million Years 8.1 Introduction 8.2 Neogene Clastic Cycles of Continental Margins 8.3 Pre-Neogene Marine Carbonate and Clastic Cycles 8.4 Late Paleozoic Cyclothems 8.5 Lacustrine elastic and Chemical Rhythms 8.6 Clastic Cycles of Foreland Basins 8.7 Main Conclusions III Mechanisms 9 Long-Term Eustasy and Epeirogeny 9.1 Mantle Processes and Dynamic Topography 9.2 Supercontinent Cycles 9.3 Cycles with Episodicities of Tens of Millions of Years 9.3.1 Eustasy 9.3.2 Dynamic Topography and Epeirogeny 9.4 Main Conclusions 10 Milankovitch Processes 10.1 Introduction 10.2 The Nature of Milankovitch Processes 10.2.1 Components of Orbital Forcing 10.2.2 Basic Climatology 10.2.3 Variations with Time in Orbital Periodicities 10.2.4 Isostasy and Geoid Changes 10.2.5 The Nature of the Cyclostratigraphic Data Base 10.2.6 The Sensitivity of the Earth to Glaciation 10.2.7 Glacioeustasy in the Mesozoic? 10.2.8 Nonglacial Milankovitch Cyclicity 10.3 The Cenozoic Record 10.4 Late Paleozoic Cyclothems 10.5 The End-Ordovician Glaciation 10.6 Main Conclusions 11 Tectonic Mechanisms 11.1 Introduction 11.2 Rifting and Thermal Evolution of Divergent Plate Margins 11.2.1 Basic Geophysical Models and Their Implications for Sea-Level Change 11.2.2 Some Results from the Analysis of Modern Data Sets 11.3 Tectonism on Convergent Plate Margins and in Collision Zones 11.3.1 Magmatic Arcs and Subduction 11.3.2 Tectonism Versus Eustasy in Foreland Basins 11.3.2.1 The North American Western Interior Basin 11.3.2.2 The Appalachian Foreland Basin 11.3.2.3 Pyrenean and Himalayan Basins 11.3.3 Rates of Uplift and Subsidence 11.3.4 Discussion 11.4 Intraplate Stress 11.4.1 The Pattern of Global Stress 11.4.2 In-Plane Stress as a Control of Sequence Architecture 11.4.3 In-Plane Stress and Regional Histories of Sea-Level Change 11.5 Basement Control 11.6 Other Speculative Tectonic Hypotheses 11.7 Sediment Supply and the Importance of Big Rivers 11.8 Environmental Change 11.9 Main Conclusions IV Chronostratigraphy and Correlation: Why the Global Cycle Chart Should Be Abandoned 12 Time in Sequence Stratigraphy 12.1 Introduction 12.2 Hierarchies of Time and the Completeness of the Stratigraphic Record 12.3 Main Conclusions 13 Correlation, and the Potential for Error 13.1 Introduction 13.2 The New Paradigm of Geological Time? 13.3 The Dating and Correlation of Stratigraphic Events: Potential Sources of Uncertainty 13.3.1 Identification of Sequence Boundaries 13.3.2 Chronostratigraphic Meaning of Unconformities 13.3.3 Determination of the Biostratigraphic Framework 13.3.3.1 The Problem of Incomplete Biostratigraphic Recovery 13.3.3.2 Diachroneity of the Biostratigraphic Record 13.3.4 The Value of Quantitative Biostratigraphic Methods 13.3.5 Assessment of Relative Biostratigraphic Precision 13.3.6 Correlation of Biozones with the Global Stage Framework 13.3.7 Assignment of Absolute Ages 13.3.8 Implications for the Exxon Global Cycle Chart 13.4 Correlating Regional Sequence Frameworks with the Global Cycle Chart 13.4.1 Circular Reasoning from Regional Data 13.4.2 A Rigorous Test of the Global Cycle Chart 13.4.3 A Correlation Experiment 13.4.4 Discussion 13.5 Main Conclusions 14 Sea-Level Curves Compared 14.1 Introduction 14.2 The Exxon Curves: Revisions, Errors, and Uncertainties 14.3 Other Sea-Level Curves 14.3.1 Cretaceous Sea-Level Curves 14.3.2 Jurassic Sea-Level Curves 14.3.3 Why Does the Exxon Global Cycle Chart Contain So Many More Events Than Other Sea-Level Curves? 14.4 Main Conclusions V Approaches to a Modern Sequence-Stratigraphic Framework 15 Elaboration of the Basic Sequence Model 15.1 Introduction 15.2 Definitions 15.2.1 The Hierarchy of Units and Bounding Surfaces 15.2.2 Systems Tracts and Sequence Boundaries 15.3 The Sequence Stratigraphy of Clastic Depositional Systems 15.3.1 Pluvial Deposits and Their Relationship to Sea-Level Change 15.3.2 The Concept of the Bayline 15.3.3 Deltas, Beach-Barrier Systems, and Estuaries 15.3.4 Shelf Systems: Sand Shoals and Condensed Sections 15.3.5 Slope and Rise Systems 15.4 The Sequence Stratigraphy of Carbonate Depositional Systems 15.4.1 Platform Carbonates: Catch-Up Versus Keep-Up 15.4.2 Carbonate Slopes 15.4.3 Pelagic Carbonate Environments 15.5 Main Conclusions 16 Numerical and Graphical Modeling of Sequences 16.1 Introduction 16.2 Model Design 16.3 Selected Examples of Model Results 16.4 Main Conclusions VI Discussion and Conclusions 17 Implications for Petroleum Geology 17.1 Introduction 17.2 Integrated Tectonic-Stratigraphic Analysis 17.2.1 The Basis of the Methodology 17.2.2 The Development of an Allostratigraphic Framework 17.2.3 Choice of Sequence-Stratigraphic Models 17.2.4 The Search for Mechanisms 17.2.5 Reservoir Characterization 17.3 Controversies in Practical Sequence Analysis 17.3.1 The Case of the Tocito Sandstone, New Mexico 17.3.2 The Case of Gippsland Basin, Australia 17.3.3 Conclusions: A Modified Approach to Sequence Analysis for Practicing Petroleum Geologists and Geophysicists 17.4 Main Conclusions 18 Conclusions and Recommendations 18.1 Sequences in the Stratigraphic Record 18.1.1 Long-Term Stratigraphic Cycles 18.1.2 Cycles with Million-Year Episodicities 18.1.3 Cycles with Episodicities of Less Than One Million Years 18.2 Mechanisms 18.2.1 Long-Term Eustasy and Epeirogeny 18.2.2 Milankovitch Processes 18.2.3 Tectonic Mechanisms 18.3 Chronostratigraphy and Correlation 18.3.1 Concepts of Time 18.3.2 Correlation Problems, and the Basis of the Global Cycle Chart 18.3.3 Comparison of Sea-Level Curves 18.4 Modern Sequence Analysis 18.4.1 Elaboration of the Basic Sequence Model 18.4.2 Numerical and Graphical Modeling of Stratigraphic Sequences 18.5 Implications for Petroleum Geology 18.6 The Global-Eustasy Paradigm: Working Backwards from the Answer? 18.6.1 The Exxon Factor 18.6.2 Conclusions . 18.7 Recommendations References Author Index Subject Index

Note: Introduction 1 Definitions 2 Historical Development of the Term Rockglacier 3 Rockglaciers: Description and Morphometry 3.1 General Description 3.2 Form Types 3.3 Morphometric Parameters 3.3.1 Rockglacier Sizes 3.3.2 Tongue-Shaped Rockg1aciers 3.3.3 Lobate Rockg1aciers 3.3.4 Rockglacier Thickness 3.3.5 Surface Relief 3.3.6 Rockglacier Surface and Source Area 4 Rockglacier Taxonomy 5 Rockglacier Distribution 5.1 General Information 5.2 Local Rockglacier Distribution 5.2.1 The Alps 5.2.2 The Mountains of Northern Europe 5.2.3 The Pyrenees 5.2.4 North American Mountains 5.2.5 The Andes of Central and South America 5.2.6 The Mountains of Asia 5.2.7 The Southern Alps 5.2.8 Antarctic Mountains 5.2.9 Conclusions 6 Rockglacier Material, Surficial Fabric and Internal Structure 6.1 Rock Type and Grain Size at and below the Surface 6.1.1 Rock Type 6.1.2 Grain Sizes at the Surface 6.1.3 Development of the Bouldery Mantle 6.1.4 Surface Fabric 6.1.5 Grain Sizes below the Bouldery Mantle 6.2 Internal Structure 6.2.1 Direct Information 6.2.1.1 Excavations, Outcrops, Tunnels 6.2.1.2 Smaller Boreholes 6.2.1.3 The Deep Borehole through the Rockglacier Murtel I 6.2.2 Indirect Information 6.2.2.1 Seismic Information 6.2.2.2 Geoelectric Soundings 6.2.2.3 Radio-Echo Soundings 6.2.2.4 Gravimetry 6.2.2.5 Borehole Geophysics and Related Measurements 6.2.2.6 BTS Measurements 6.2.2.7 Summary: The Inner Core of an Active Rockglacier 6.3 The Active Layer on Rockglaciers 7 Rockglacier Movement, Velocity, and Rheology 7.1 The Horizontal and Vertical Movement of Active Rockglaciers 7.1.1 Measurement Methods 7.1.2 Annual Horizontal Displacement 7.1.3 Long-Term Annual Averages 7.1.4 Long-Term Estimates 7.1.5 Longer Time Series 7.1.6 Monthly and Seasonal Measurements 7.1.7 Vertical Displacement 7.1.8 Conclusion 7.2 Geometry of Movement 7.2.1 The General Flow Patterns of Active Rockglaciers 7.2.1.1 Gruben Rockglacier 7.2.1.2 Macun Rockglacier 7.2.1.3 Arapaho Rockglacier 7.2.2 Horizontal Velocity on Longitudinal and Cross-Sectional Profiles 7.2.3 Surface and Subsurface Velocity 7.3 Rheologic Considerations 7.3.1 Shear Stress and Strain Rates in Active Rockglaciers 7.3.2 The Rheological Description of Active Rockglaciers 7.4 Rockglacier Movement and Climate 7.5 Discussion of Rockglacier Movement 8 Rockglacier Genesis and the Relation to Similar-Looking Landforms 8.1 Rockglacier Genesis 8.1.1 The Formation of Active Rockglaciers 8.1.1.1 Talus Rockglaciers 8.1.1.2 Debris Rockglaciers 8.1.1.3 Special Rockglaciers 8.1.1.4 Problematic Cases 8.1.2 Inactive Rockglaciers 8.1.3 Relict (Fossil) Rockglaciers 8.2 Published Hypotheses of Rockglacier Formation 8.2.1 Mass-Movement Hypotheses 8.2.1.1 The Bergsturz Hypothesis in General 8.2.1.2 Landslide Influences 8.2.2 The Glacial Hypothesis 8.2.2.1 Debris-Covered Glaciers and Thermokarst 8.2.2.2 Transition from True Glaciers to Rockglaciers? 8.2.2.3 The Moraine Hypothesis 8.2.3 The Periglacial (Blockstream) Hypothesis 8.3 True Rockglaciers under Wrong Labels 8.3.1 The Ostrem Ice-Cored Moraine Concept 8.3.2 The Protalus Rampart Concept 9 The Age of Rockglaciers 9.1 The Age of Active Rockglaciers 9.2 The Age of Climatic Inactive Rockglaciers 9.3 The Age of Relict (Fossil) Rockglaciers 10 Rockglaciers and the High Mountain Environment 10.1 Active Rockglaciers and Mountain Permafrost 10.2 Rockglaciers in the Coarse Debris Cycle 10.2.1 Rockglaciers and Talus Production 10.2.2 Rockglacier Size and Source Area 10.2.3 Rockglaciers as a Debris Transport System 10.3 Rockglaciers and Climate 10.3.1 Rockglaciers and Present Climate 10.3.2 Relict Rockglaciers and Paleoclimate Reconstruction 10.3.3 Reactivation of Inactive or Relict Rockglaciers 10.3.4 Rockglaciers and Climatic Change 10.4 Rockglaciers in the Alpine Hydrological Cycle 10.4.1 Rockglaciers as a Water Store 10.4.2 Discharge from Rockglacier Permafrost 10.4.3 Fluctuations in Rockglacier Permafrost Storage 10.5 Rockglaciers as Hazards in Alpine Environments 10.6 The Environment of Active Rockglaciers 11 Summary and Outstanding Problems 12 References Index of Place Names Subject Index

Note: Inhaltsverzeichnis 1 Einführung 1.1 Übersicht 1.2 Modernes naturwissenschaftliches Klimaverständnis 1.3 Modelle in der Klimaforschung 2 Klimarelevante Prozesse 2.1 Energie und Strahlung 2.1.1 Strahlung 2.1.2 Wärmetrausporte 15 2.1.3 Transport von Energie im Wasserkreislauf 2.2 Dynamik der Atmosphäre 2.2.1 Erzeugung von Bewegung 2.2.2 Vertikalstruktur der Atmosphäre 2.2.3 Allgemeine Zirkulation 2.2.4 Regionale Strukturen 2.2.5 Turbulenz 2.2.6 Aerosolpartikel 2.2.7 Wolken und Niederschlag 2.3 Zirkulation des Ozeans 2.3.1 Meeresoberflächenströmungen 2.3.2 Tiefenzirkulation 2.3.3 Wellen und Wirbel 2.4 Spurenstoffkreisläufe 2.4.1 Wasserdampf 2.4.2 Kohlendioxid 2.4.3 Methan 2.4.4 Stickstoffverbindungen 2.5 Kryosphäre 3 Natürliche Klimavariabilität 3.1 Jahres- und Tagesgang 3.2 Wetter 3.3 Interannuale Klimaschwankungen 3.3..1 ENSO-Phänomen 3.3.2 Nordatlantische Oszillation 3.3.3 Temperaturentwicklung seit 1900 3.3.4 Die Frage der Sonnenflecken 3.1 Homogenitätsproblematik 3.5 Historische Klimavariationen 3.6 Paläoklimatologie 3.6.1 Vereisungen 3.6.2 Klimarekonstruktion der Kalt- und Warmzeiten 3.6.3 Milanković-Theorie 4 Konzeptionelle Modelle 4.1 Klimazonen 4.2 Ein exemplarisches Energiebilanzmodell 4.2.1 Vereinfachte Bilanzgleichung für Energie 4.2.2 Diskretisierung 4.2.3 Schließung der Gleichung 4.2.4 Berechnungen: Integration 4.3 Physikalisch orientierte Modelle 4.4 Nichtlinearität und Chaos 4.5 Fluktuationen als stochastische Vorgänge 4.6 Wechselwirkungen verschiedener Prozesse 4.6.1 Gedämpftes System mit Störungen 4.6.2 Wirkung von positiven Rückkopplungen 5 Grundlagen von Strömungsmodellen 5.1 Grundgleichungen der Strömungs- und Thermodynamik 5.1.1 Zustandsvariablen 5.1.2 Gesetz der Massenerhaltung 5.1.3 Prinzip der Energieerhaltung 5.1.4 Impulserhaltung 5.1.5 Massenbilanzen für Beimengungen 5.1.6 Zustandsgleichungen 5.1.7 Zusammenfassung 5.2 Diskretisierung 5.2.1 Räumliche Diskretisierung 5.2.2 Zeitliche Diskretisierung 5.3 Parametrisierung und subskalige Prozesse 5.3.1 Schließungsproblem 5.3.2 Beispiel 1: Turbulenz 5.3.3 Beispiel 2: Konvektion und Wolkenbildung 5.3.4 Kritische Übersicht 5.4 Numerische Integration 6 Realitätsnahe Modelle des Klimasystems 6.1 Wettervorhersagemodelle 6.2 Modelle zur Klimasimulation 6.2.1 Methodik von Simulationen 6.2.2 Wechselwirkung von Atmosphäre und Ozean 6.2.3 Klimadrift und Flußkorrektur 6.2.4 Technische Details 6.2.5 Modellierung von Stoffkreisläufen und Biosphäre 6.3 Simulationen von Klimazuständen 6.3.1 Kontrollsimulationen des derzeitigen Klimas 6.3.2 Rekonstruktion von Paläoklimaten 6.3.3 Klimate anderer Planeten 6.3.1 Regionale und lokale Strukturen 6.4 Numerische Experimente mit Modellen 6.1.1 Zielsetzung 6.4.2 Wirksamkeit von Prozessen 6.4.3 Einschwingzeit der Atmosphäre 6.4.4 Sensitivität gegenüber Randbedingungen 6.5 Anwendung zur Klimavorhersage 6.5.1 Prognosen des ENSO-Phänomens 6.5.2 Großskalige Ölbrände in Kuwait 6.6 Beurteilung der Klimamodelle 7 Anthropogene Klimänderung 7.1 Übersicht 7.2 Emissions- und Konzentrations-Szenarien 7.2.1 Szenarien zukünftiger Emissionen 7.2.2 Erwartete Konzentrationen der Treibhausgase 7.3 Klimaszenarien realitätsnaher Modelle 7.3.1 Transiente Szenarienrechnungen 7.3.2 Ergebnisse eines exemplarischen Klima-Szenarios 7.3.3 Problem Kaltstart 7.3.4 2 x CO2-Simulationen 7.3.5 Informationswert von Szenarienrechnungen 7.3.6 Kritische Bewertung der Szenarien 7.4 Nachweis anthropogener Klimabeeinflussung 7.4.1 Zielsetzung 7.4.2 Natürliche Variabilität 7.4.3 Gewichtungsmuster und Nachweisvariable 7.4.4 Nachweis 7.4.5 Beurteilung 7.5 Lokale und regionale Szenarien 7.5.1 Hochaufgelöste Zeitscheibenexperimente 7.5.2 Regionalmodelle 7.5.3 Empirische Modelle 7.5.4 Implikationen 8 Klima und Gesellschaft 8.1 Übersicht 8.2 Historischer Überblick : gesellschaftliche Vorstellungen zum Einfluß von Klima 8.3 Klimafolgenforschung 8.3.1 Grundproblematik 8.3.2 Direkt beeinflußte Systeme 8.3.3 Indirekt beeinflußte Systeme 8.4 Ökonomische Aspekte des Klimawandels 8.4.1 Klimaänderung als Kostenfaktor 8.4.2 Ein zeitabhängiges Sechs-Komponenten-Modell 8.4.3 Beurteilung 8.4.4 Übersicht Klimapolitik 8.5 Vorstellungen von Klimawandel 8.5.1 Problemstellung 8.5.2 Natürliche Variabilität versus Kausalitätsdenken 8.5.3 Die Kempton-Studie 8.5.4 Soziale Interpretationsmechanismen 9 Résumé 10 Anhang 11 Literatur Stichwortverzeichnis