Structure and Dynamics of Earth's Deep Interior

Geophysical Monograph Series......Page 1
GEOPHYSICAL MONOGRAPH SERIES......Page 2
Structure and Dynamics of Earth\'s Deep Interior......Page 4
CONTENTS......Page 6
PREFACE......Page 7
The Core Mantle Boundary......Page 8
Waves in the Core ?......Page 9
The Identification of Inertial Waves......Page 13
The Possibility of Inner Core Motion......Page 18
References......Page 19
Gravimetric Data......Page 20
Laboratory Observationos of Inertial Waves......Page 21
Identification of Inertial Waves in the Gravimetric Data......Page 22
Irregular Boundaries......Page 25
References......Page 27
Introduction......Page 29
Specialization to the Fitfid Core and the SubseismicEquation......Page 31
References......Page 34
Review of Core Dynamics......Page 35
The Subseismic Approximation......Page 36
Comparison Between Both Approximations......Page 37
Elliptical, Uniformly Rotating Earth......Page 38
References......Page 39
Introduction......Page 41
Data Processing......Page 42
Retrograde Modes......Page 43
Discussion......Page 44
References......Page 45
Introduction......Page 46
Excitation in a Non-rotating Earth Model......Page 47
Excitation Coefficient......Page 48
Surface Gravity......Page 49
Sample Solutions......Page 50
Conclusions......Page 54
References......Page 55
Formulation......Page 56
References......Page 58
Difficulties with Sd Ray Parameters......Page 59
Data and Analysis......Page 60
Velocity Models......Page 62
Cross-Correlation and Observations......Page 64
References......Page 66
Introduction......Page 68
The Observational Data to be Explained......Page 69
Scattering Effects of Lateral Heterogeneities in D\"......Page 71
Conclusions......Page 72
References......Page 73
Introduction......Page 75
Changes in the Length-of-Day......Page 76
Changes in J2......Page 77
Discussion......Page 78
References......Page 79
Tidally Forced Response of an Earth\'s Modelwith a Fluid Core......Page 80
Epoch of Exact Resonance......Page 81
References......Page 82
Effect of Impurities on the Heat of Crystallization, AHm......Page 84
Temperature Depression by Impurities......Page 85
Entropy of Mixing......Page 86
Purification of the Inner Core by Equilibrium Freezing......Page 87
The Heat Flow Due to the Cooling Core......Page 88
References......Page 89
Dynamo Theory and Planetary Magnetic Fields......Page 91
The Determination of Core-mantle Coupling from Geophysical Data......Page 93
Introduction......Page 95
Drifting Harmonics......Page 96
Spatial Power Spectra of Standing and Drifting Fields......Page 99
Induction Equation......Page 100
Amplitudes of the Induced Modes......Page 102
Discussions......Page 103
References......Page 105
Introduction......Page 107
Fluid Core Model......Page 108
Discussion......Page 110
References......Page 111
Introduction......Page 113
Mathematical Foundations of the Problem......Page 114
Some Results of Recent Computations......Page 116
References......Page 118
Model Description and Assumptions......Page 120
Induction Equation and Boundary Conditions......Page 121
Solutions......Page 123
Eigenvalue Problem in a......Page 124
Future Work......Page 125
References......Page 127
Mathematical Model......Page 128
Ideal Instabilities......Page 129
Mixed Modes......Page 130
References......Page 131