Ice Sheets, Sea Level and the Dynamic Earth

Title Page......Page 3
Copyright......Page 4
Contents......Page 5
Preface......Page 7
Glacial Isostatic Adjustment and the Earth System......Page 8
References......Page 9
1. Introduction......Page 10
2. The Static Gravity Field......Page 11
3. Ongoing Crustal Motion......Page 13
4. Satellite Measurements of Time-Variable Gravity
......Page 24
5. Variations in the Earth's Rotation
......Page 30
6. Geodetic Constraints on Ice Loading Variations
......Page 33
References......Page 36
1. Introduction......Page 40
2. The Structure of the Far Field Mid Holocene High Stand.
......Page 42
3. Late Holocene Sea Levels: Rheology and Ocean Volume Changes.
......Page 44
4. Recent Sea Level Change in the Australian Region.
......Page 49
5. Some Global Implications of the Australian Sea Level Results
......Page 51
References......Page 55
Introduction......Page 58
Rotational Changes for a Rigid Earth
......Page 59
Adjustment of the Equatorial Bulge
......Page 61
Linearized Rotational Theory for a Stratified, Viscoelastic Earth
......Page 63
Polar Wander Equation in the Laplace Domain
......Page 64
Long-Term Behaviour of the Rotation Equation: Contributions from the Secular and Relaxation Modes
......Page 66
Ice-Age Cycle and the Polar Wander Path
......Page 67
Trade-Off Between Lower Mantle Viscosity and Present-Day Mass Imbalance in Antarctica and Greenland
......Page 70
Conclusions......Page 72
References......Page 73
1. Introduction......Page 75
2. Planning and Design of the Network
......Page 76
3. The Regional Networks......Page 79
4. Data Analysis 1993-1999......Page 84
5. Observed Field of Motion
......Page 88
6. Conclusions......Page 96
References......Page 97
1. Introduction......Page 100
2. Mission Rationale......Page 101
3. Mission Concept......Page 102
4. Mission Performance......Page 103
5. Mission Products......Page 105
6. Scientific Use......Page 107
7. Conclusions......Page 109
References......Page 110
1. Introduction......Page 113
2. Results......Page 114
3. Conclusions......Page 120
References......Page 121
Introduction......Page 123
Data......Page 124
Inversion of Gravity
......Page 126
Sea Level and Lower Mantle Viscosity
......Page 129
Results for THR Gravity Inversion Model
......Page 130
Results For Altimeter Data Over Ice......Page 131
References......Page 135
Late-pleistocene, Holocene and Present-Day Ice Load Evolution in the Antarctic Peninsula: Models and Predicted Vertical Crustal Motion
......Page 137
1. Introduction......Page 138
2. Lgm and Collapse History
......Page 139
3. Models for Mid to Late-Holocene Glacier Changes
......Page 141
4. Continuous Mode Holocene Glacial Change......Page 150
5. Summary and Conclusions
......Page 152
References......Page 156
1. Introduction......Page 160
2. Sea Level Model......Page 162
3. Impact on Modeling Applications
......Page 167
References......Page 177
1. Introduction......Page 180
2. Evaluation of Ineffective Ice Load
......Page 181
3. Predictions of Sea-Level Changes and Free-Air Gravity Anomalies
......Page 185
References......Page 188
1. Introduction......Page 189
2. Results......Page 191
3. Summary......Page 198
References......Page 199
1. Introduction......Page 202
2. Wavelet Analysis......Page 203
3. Reiaocation Diagram Analysis......Page 205
4. RSL Data
......Page 208
5. Decay Time Estimates......Page 210
6. Relaxation Spectrum......Page 213
7 Discussion......Page 216
References......Page 217
1. Introduction......Page 220
2. The Model......Page 222
3. Results......Page 223
4. Conclusions......Page 230
References......Page 231
1. Introduction......Page 233
2. Change of the Earth's Rotation Axis Due Imposed Changes of the Inertia Tensor
......Page 236
3. Change of Axis of Maximum Non-Hydrostatic Moment of Inertia Caused By Advection of Mantle Density Heterogeneities
......Page 247
4. Discussion......Page 250
References......Page 254
1. Introduction......Page 257
2. Formulation of the Eigenvalue Problem
......Page 259
3. Numerical Techniques......Page 266
4. Applications......Page 267
References......Page 272
1. Introduction......Page 274
2. Incremental Field Equations and General Solution
......Page 276
3. Incremental Interface Conditions and Special Solution
......Page 278
4. Geophysical Field Quantities......Page 281
5. Computational Results......Page 282
6. Concluding Remarks......Page 289
References......Page 290
1. Introduction......Page 292
3. Fennoscandia......Page 293
4. Barents Sea......Page 302
References......Page 306