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Morschhauser, Achim: A model of the crustal magnetic field of Mars. 2016
Inhalt
Dedication
Abstract
Publications
Acknowledgments
Contents
List of Figures
List of Tables
Acronyms
Mars Magnetic Field
1 Overview
1.1 Magnetic field data
1.2 General properties of Mars' magnetic field
1.3 Models of the crustal magnetic field
1.4 Limits of published models
2 Open questions
2.1 Timing of the core dynamo
2.2 Magnetization of the Martian crust
2.3 Magnetic minerals
2.4 Magnetic dichotomy
2.5 Paleopoles
2.6 Magnetic lineations - plate tectonics ?
Data
3 MGS - Mission and Instruments
3.1 Overview of mission phases
3.2 The electron reflectometer (ER)
3.3 The fluxgate magnetometer (MAG)
3.4 Data pre-processing and calibration
4 Data Selection & Data Weights
4.1 MAG MPO data
4.2 MAG AB/SPO data
Inversion
5 General Linear Inversion
5.1 Basic principles of linear inversion
5.2 The least-squares solution
5.3 Model parameter confidence intervals
5.4 Model resolution
5.5 Regularization
5.6 General measures of misfit
6 Inversion of MAG data
6.1 Model description: Spherical Harmonics
6.2 Data inversion
6.3 Measure of data misfit
6.4 L1-regularization
6.5 Summary
Results
7 Model of the crustal field
7.1 Global magnetic field maps
7.2 Gauss coefficients and dipole moment
7.3 Power spectrum
7.4 Model parameter covariance matrix
7.5 Resolution matrix
8 Residuals
8.1 Statistics of the residuals
8.2 Spatial distribution of the residuals
8.3 Direct comparison to selected data
9 Comparison
9.1 Regularization parameter
9.2 Performance of the L1-norm
9.3 Performance of the Huber weights
9.4 Other published models
Application to open questions
10 Timing of the core dynamo
10.1 Magnetic signature of volcanoes
10.1.1 Apollinaris Patera
10.1.2 Tyrrhena Patera
10.1.3 Hadriaca Patera
10.1.4 Syrtis Major
10.1.5 Arabia Terra
10.1.6 Malea Planum
10.2 Magnetic signatures of impact craters
10.2.1 Large basins
10.2.2 Smaller craters
10.3 Summary
11 Magnetization and magnetic minerals
12 Isolated magnetic anomalies - Paleopoles
12.1 South Polar
12.2 Arcadia Planitia
Summary & Outlook
Appendix
A Nomenclature on Mars
Bibliography
Eidesstattliche Erklaerung
Curriculum Vitae