Modeling Magnetospheric Plasma Processes

Modeling Magnetospheric Plasnna Processes......Page 1
Geophysical Monograph Series......Page 2
Modeling Magnetospheric Plasnna Processes......Page 5
CONTENTS......Page 7
PREFACE......Page 9
INTRODUCTION......Page 10
Solar Wind Features......Page 13
Magnetopause Effects......Page 14
Ionospheric Response......Page 16
Recent Statistical Results Concerning Impulsive Ground Events......Page 17
Conclusions......Page 18
References......Page 19
Results From One?Dimensional Simulations......Page 21
Conclusions......Page 27
References......Page 28
Introduction......Page 29
Theory......Page 31
Results......Page 33
Conclusions......Page 38
References......Page 39
1. Introduction......Page 41
2. General Solution for E =0 and NO/ = 0......Page 42
3.1 P=Pr where r2 = x - a 2 y - b 2......Page 43
3.2 Extended tail solutions with j= 0......Page 44
3.3 Solutions with net cross-tail magnetic field......Page 45
4. Steady Flow Solutions......Page 46
5. Solutions for E 0 and 8/tat 1= 0......Page 47
References......Page 48
Plasma Sources and Sinks......Page 51
Plasma Sheet......Page 53
Plasma Sheet Thinning Phase......Page 55
Flow Characteristic of the CPS and Its Implications......Page 57
Plasma Sheet Thickening Phase......Page 58
Summary......Page 60
References......Page 61
1. Introduction......Page 64
2. The Topology of Plasmoids in Three Dimensions......Page 65
3. Acceleration Mechanism for Plasmoids......Page 67
4. Three-Dimensional Magnetic Reconnection......Page 71
5. The Substorm Current Wedge......Page 72
6. Magnetosphere-Ionosphere Coupling During Substorms......Page 75
Summary......Page 77
References......Page 78
1. Introduction......Page 80
3. Transition to Chaos......Page 81
5. Inertial and Chaotic Conductivity......Page 83
6. Motion in a Current Sheet with Neutral Line......Page 86
References......Page 87
Introduction......Page 89
Guiding Center vs Exact Equation of Motion......Page 90
Results......Page 91
Discussion: Tidal Basin Analogy for Substorms......Page 94
Conclusions......Page 95
References......Page 96
Introduction......Page 97
Comparison With Data......Page 98
References......Page 99
2. The Simulation Model......Page 100
3. Validity of the Model......Page 103
4. Early Results......Page 104
5. Conclusions......Page 105
References......Page 106
Time-Dependent Self-Consistent Kinetic Model......Page 107
Effect Of An Electron Temperature Impulse......Page 108
Conclusion......Page 110
References......Page 111
INTRODUCTION......Page 113
OBSERVATIONS......Page 114
DISCUSSION......Page 116
REFERENCES......Page 120
1. Introduction......Page 121
2. Characteristics of the measurements.......Page 122
3. The Polar cusp......Page 124
4. The polar cap......Page 126
References......Page 127
Model Structure for ULF Waves......Page 129
Radially Polarized Pc 4-5 Waves......Page 131
References......Page 134
2. Wave equation......Page 135
3. Dispersion relation......Page 137
4. Numerical results......Page 140
References......Page 141
Introduction......Page 142
Test Particle Model and Results......Page 143
Analysis......Page 144
Discussion......Page 147
Appendix......Page 148
References......Page 149
Introduction......Page 150
Description of the Model......Page 151
a Characteristic ion trajectories for early-stage refilling......Page 152
b Evolution of density profiles during refilling......Page 154
References......Page 155
2. Model......Page 156
3.1 Steady State......Page 159
3.2 Density Depletions......Page 160
4. Conclusion......Page 161
References......Page 164
2. MODEL......Page 165
5. DENSITY RESULTS......Page 166
6. TEMPERATURE RESULTS......Page 167
REFERENCES......Page 168
Analysis Procedure......Page 170
Typical Data......Page 171
Discussion......Page 176
Summary......Page 178
References......Page 179