Earth System Geophysics
American Geophysical Union (Verlag)
978-1-119-62795-1 (ISBN)
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Geophysics helps us understand how our planet works by connecting complex real-world phenomena with fundamental physical laws. It provides the tools, both conceptual and quantitative, for understanding interactions between the different components of the Earth System: the solid earth, oceans, atmosphere, and biosphere.
Earth System Geophysics is a comprehensive textbook for upper-level undergraduate and graduate students in the Earth sciences that uses Earth System Science as the framework for learning about geophysics.
About this volume:
Presents convection as the underlying paradigm that drives the Earth System
Uses math and physics in an accessible way to understand processes on and within the Earth
Frames natural processes and events in terms of cause and effect
Builds gradually from basic to advanced concepts and equations
Develops quantitative skills through applied examples
Heavily referenced, allowing students to pursue topics in greater depth
Relevant for students from across the physical sciences and engineering
The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Steven R. Dickman, Binghamton University, USA
Preface
Acknowledgments
About the Companion Website
Part I An Earth System Science Framework
1. The Birth of the Earth
1.0 Motivation
1.1 The Formation of the Solar System
1.1.1 Overview: Contrasting Theories versus Solar System Basics
1.1.2 A Monistic Description of Solar System Formation
1.2 Properties of the Solar System
1.2.1 The Spacing of the Planetary Orbits
1.2.2 Moment of Inertia: A Diagnostic Tool for Planetary Interiors
1.2.3 A Brief Description of the Properties of Planets and Moons
1.3 Life in the Solar System, and Beyond
1.3.1 The Search for Planets
1.3.2 Evidence for Life in the Universe
1.3.3 Evidence for Life in our Solar System
2. The Evolution of Earth’s Atmosphere
2.0 Motivation
2.1 The Differentiation of the Earth
2.1.1 A Core by Condensation?
2.1.2 An Act of Differentiation Created the Core
2.1.3 Consequences of Core Formation
2.2 The Faint Young Sun
2.2.1 The Young Sun’s Changing Luminosity was Inevitable
2.2.2 A Paradox, and its Resolution
2.2.3 The Urey Cycle
2.3 Constraints on the Evolution of Atmospheric CO2
2.3.1 Levels of CO2 were (Relatively) Low during Ice House Climates
2.3.2 Other Approaches, and a Synthesis
2.4 The Development of an Oxygen Atmosphere
2.4.1 A Mostly Geology-based Chronology of the Rise of Oxygen on Earth
2.4.2 Oxygen and Evolution: An Overview
2.4.3 Oxygen Chronology: A Synthesis
3. The Climate System and the Future of Earth’s Atmosphere
3.0 Motivation
The Climate System
3.1 The Circulation of the Atmosphere
3.1.1 The Sun is the Ultimate Driving Force
3.1.2 Basic Concepts Underlying Atmospheric Circulation
3.1.3 Global Atmospheric Circulation on a Non-Rotating Earth
3.1.4 Global Atmospheric Circulation on the Rotating Earth
3.1.5 Complications of the Three-Cell Model
3.1.6 Implications of the Three-Cell Model for Climate and Regional Circulation
3.1.7 A Jovian Perspective, Briefly
3.1.8 Jet Streams in the Atmosphere
3.1.9 Hurricanes
3.2 The Circulation of the Oceans
3.2.1 Thermohaline Convection
3.2.2 Wind-driven Circulation
3.2.3 The Wind-driven Oceans Move Heat, Too
3.3 El Niño and the Southern Oscillation: a coupled atmosphere – ocean phenomenon
3.3.1 El Niño
3.3.2 Southern Oscillation
3.3.3 The Mechanism of a Strong ENSO Event
3.3.4 The Mechanism of a Weak ENSO Event
3.3.5 The Return to Normalcy
3.3.6 There’s an even Bigger Picture
The Immediate Future of our Atmosphere
3.4 Preliminary Comments
3.5 Solar Variability on Human Time Scales
3.5.1 Sunspot Cycles
3.5.2 A Connection between Sunspots and a Dramatic Change in Earth’s Climate?
3.5.3 A Few Final Comments on Sunspots
3.6 Anthropogenic Variations in Climate by the Emission of Greenhouse Gases
3.6.1 Increases in Greenhouse Gas Abundances
3.6.2 Direct and Indirect Impacts on Climate Expected from an Increase in Greenhouse Gas Abundances
3.6.3 Tempered Expectations: Complications in how these consequences play out
3.6.4 Anthropogenic Variations in Climate: Evidence concerning direct consequences (– if you insist)
3.6.5 Anthropogenic Variations in Climate: Evidence concerning indirect consequences
3.6.6 Anthropogenic Climate Change: Some final thoughts
3.7 A Geophysical Perspective: the rest of this textbook
Part II A Planet Driven by Convection
4. Basics of Gravity and the Shape of the Earth
4.0 Motivation
4.1 The Nature of Gravity
4.1.1 Simple Expressions of the Law of Gravitation
4.2 Newton’s Second Law and the Gravity Field
4.2.1 Cause and Effect, Mass and Weight
4.2.2 Earth’s Gravity Field, and the Answer to a Really Fundamental Question
4.2.3 Weighing the Earth
4.3 The Gravity Field of a Three-Dimensional Earth
4.3.1 A Guiding Principle
4.3.2 More Consequences of Gravity Being an Inverse-Square Law Force
4.3.3 Revisiting Newton’s Law of Gravitation, with Superposition
4.4 The Shape of the Earth, and Variations of Gravity with Latitude
4.4.1 A Motivation to get Complicated
4.4.2 The Earth is not Spherical
4.4.3 Earth’s Rotation is the Cause
4.4.4 A Thorough Description of Centrifugal Force
4.4.5 Gravity versus Centrifugal Force on a Rotating Earth
4.4.6 Indirect Effects of Centrifugal Force on Gravity, and the Idealized Earth
4.5 Kepler’s Laws
5. Gravity and Isostasy in the Earth System
5.0 Motivation
5.1 Exploring the Earth System with Gravity
5.1.1 Scaling Down for Gravity Exploration
5.1.2 The Reduction of Gravity Data
5.1.3 An Application to the Earth System
5.1.4 Gravity Data Measured on a Moving Platform
5.2 Isostasy and the Earth System
5.2.1 Bouguer’s Discovery and the Principle of Isostasy
5.2.2 Mechanisms to Achieve Isostatic Balance
5.2.3 The Moho and Other Evidence of Airy Isostasy
5.2.4 Airy Isostasy and the Oceanic Response to Atmospheric Pressure Fluctuations
5.2.5 A Third Mechanism for Achieving Isostatic Compensation
5.2.6 Isostatic Response to Surface Loads in the Earth System: Anomalous Regions
5.2.7 Isostatic Response to Surface Loads: Implications for Mantle Rheology
5.2.8 Global Constraints on Mantle Viscosity
6. Orbital Perspectives on Gravity
6.0 Motivation
6.1 Tides
6.1.1 Ebbs and Flows
6.1.2 Tidal Forces
6.1.3 The Response of the Oceans to Tidal Forces
6.1.4 The Response of the Solid Earth to Tidal Forces
6.2 Precession of the Equinoxes and Orbital Effects on Climate
6.2.1 Precession
6.2.2 Precession, the Core, and the Geomagnetic Field of the Earth
6.2.3 Precession Can Affect the Earth’s Climate
6.2.4 Milankovitch and Mars
6.3 Satellite Geodesy
6.3.1 Satellite Orbital Precession
6.3.2 The Geoid and Satellite Altimetry
6.3.3 Geoid versus Spheroid, and Geoidal Heights
6.3.4 More Perspectives on Global Gravity and the Global Geoid
6.4 Tidal Friction
6.4.1 Another Way of Looking at Tides
6.4.2 The Solid Earth will End Up in the Middle of It All, and Suffer Greatly
6.4.3 Tidal Friction Also Affects the Moon’s Orbit
6.4.4 Tidal Friction has Consequences for the Earth System
6.4.5 Tidal Friction without Oceans, and Astronomical Implications
6.4.6 Theories of the Origin of the Moon
7. Basics of Seismology
7.0 Motivation
7.1 Stress and Strain
7.1.1 Stress
7.1.2 Stress: a Rigorous Description
7.1.3 Strain
7.1.4 Strain: a Rigorous Description
7.2 Relations between Stress and Strain in Elastic and Non-elastic Materials
7.2.1 Ideal Models of Different Materials
7.2.2 Material Properties of an Elastic Medium: Elastic Parameters
7.3 Elastic Waves
7.3.1 Descriptions of Waves
7.3.2 Elastic Waves: the Wave Equation
7.3.3 Elastic Waves: Reflection and Refraction
7.4 Surface Waves and Free Oscillations
7.4.1 Surface Waves
7.4.2 Free Oscillations
7.5 Seismic Waves and Exploration of the Shallow Earth
7.5.1 Refraction Surveys; or, First Arrivals on a Flat Earth
7.5.2 Refraction Surveys: an Illustration with Possible Hydrogeological Implications
7.5.3 Refraction Surveys: Thoughts about Multilayered Situations
7.6 Seismic Waves and Exploration of the Whole Earth: Preliminaries
7.6.1 Travel Times: Lateral Homogeneity within the Earth
7.6.2 Travel Times: Locating Earthquakes
7.6.3 Travel Times: Identifying Phases on a Seismogram
8. Seismology and the Interior of the Earth
8.0 Motivation
8.1 Seismology and the Dynamic Earth
8.1.1 Defining Plate Tectonics
8.1.2 Quantifying Plate Motions
8.1.3 Plate Motions through the Ages
8.1.4 A Last Look at Plates and Plate Motions
8.1.5 Travel Times and the Interior of the Earth
8.2 Seismology and the Large-Scale Structure of the Earth
8.2.1 Travel Times: the Shadow Zone and the Core
8.2.2 Travel Times: Determining Seismic Velocities within the Earth
8.3 Seismic Velocities and the State of Earth’s Interior
8.3.1 Birch’s Rule
8.3.2 The Adams-Williamson Equations
8.3.3 Seismic Tomography
8.4 Using Earth Models to Learn About the Composition of the Interior
8.4.1 Equations of State
8.4.2 High-Pressure Experiments
9. Heat from Earth’s Interior
9.0 Motivation
9.1 Measuring Heat Flow
9.1.1 Basic Ideas and Practical Challenges
9.1.2 Heat Flow Data
9.1.3 Strengthening our Theoretical Foundation of Heat Flow: an Introduction to Del
9.2 Heat Sources
9.2.1 Radioactivity
9.2.2 Gravitational Energy, Part One
9.2.3 Heat of Compression
9.2.4 Gravitational Energy, Part Two
9.2.5 Moon-forming Impact
9.2.6 Tidal Friction
9.2.7 Another Look at Radioactivity
9.2.8 Growth of the Inner Core
9.2.9 Some Reflections, and What Must Come Next
9.3 Transmission of Heat in Solids
9.3.1 Conduction Plus Conservation Equals Diffusion
9.3.2 The Nature of Diffusion
9.3.3 Some Solutions to the Diffusion Equation
9.3.4 Learning from Failure: a Deeper Look into Heat Flow by Conduction
9.4 Transmission of Heat in Fluids
9.4.1 Fluid Stability
9.4.2 How Convection Works in a Fluid
9.4.3 Heat Transmission in a Convecting Fluid
9.4.4 Horizontal Convection
9.4.5 Temperatures within a Convecting Fluid; Fluid versus Solid-State Convection
9.5 More on Surface Heat Flow in the Earth System
9.5.1 Geothermal Heat and the Thermohaline Circulation
9.5.2 Subsurface Temperature Variations and Climate Change
10. Geomagnetism and the Dynamics of the Core
10.0 Motivation
10.1 The Earth’s Magnetic Field
10.1.1 Dipole Fields
10.1.2 An ‘Elemental’ Description of Magnetic Fields, with Reference to the Earth
10.1.3 Magnetic Fields: An Overview of the Earth System
10.2 Global Descriptions of the Internal Field
10.2.1 Satellite Missions Dedicated to Observing Earth’s Magnetic Fields
10.2.2 Spherical Harmonics, Once Again
10.2.3 Back to the Surface: A Closer Look at the Crustal (and Geomagnetic) Fields
10.3 Snapshots in Time of the Geomagnetic Field
10.3.1 Current and Recent Snapshots
10.3.2 Snapshots Further Back in Time
10.4 Generation of the Geomagnetic Field
10.4.1 Preliminary Assessments
10.4.2 Fields Weaken, Fields Strengthen
10.4.3 Examples of Simple Dynamos
10.4.4 Inescapable Wisdom from Unavoidable Equations
10.4.5 Dynamo Flow in a Taylor-Proudman World
10.4.6 Some Final Thoughts
References
Index
| Erscheinungsdatum | 19.04.2022 |
|---|---|
| Reihe/Serie | AGU Advanced Textbooks |
| Sprache | englisch |
| Maße | 185 x 259 mm |
| Gewicht | 1520 g |
| Themenwelt | Naturwissenschaften ► Geowissenschaften ► Geologie |
| Naturwissenschaften ► Geowissenschaften ► Geophysik | |
| ISBN-10 | 1-119-62795-8 / 1119627958 |
| ISBN-13 | 978-1-119-62795-1 / 9781119627951 |
| Zustand | Neuware |
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