Midlatitude ionospheric dynamics and disturbances

Midlatitude Ionospheric Dynamics and Disturbances......Page 3
Copyright......Page 4
CONTENTS......Page 5
1. Overview......Page 8
2. Midlatitude ionospheric storms......Page 9
3. Electric field coupling from the heliosphere and inner magnetosphere......Page 10
5. Ionospheric gradients and irregularities......Page 12
6. Conclusions......Page 13
1. Introduction......Page 15
2. Early history of ionospheric storm research......Page 17
3. Publication statistics......Page 21
4. Defining middle Latitudes......Page 23
5. Positive ionospheric storms......Page 25
References......Page 28
2. Mid-latitude trough morphology......Page 31
3. Formati on Proceses of the Mid-Latitude Trough......Page 32
4. Key Issues......Page 34
References......Page 38
1. Introduction......Page 40
2. Why Was the WAAS Problem Not Predicted?......Page 43
3. Understanding the Daytime Storm Effects......Page 45
4. A Posible Electric Field Scenario......Page 46
5. Ionospheric Data Assimilation......Page 49
References......Page 53
1. Introduction......Page 55
2. Observations......Page 56
3. E×B Drifts, Neutral Winds and Corotation......Page 58
4. Summary and Conclusions......Page 63
References......Page 64
A Data-Model Comparative Study of Ionospheric Positive Storm Phase in the Midlatitude F Region......Page 66
1. Introduction......Page 67
2. Observations and Model Comparison......Page 68
3. Discusion......Page 73
References......Page 77
1. Introduction......Page 79
3. DMSP Observations......Page 81
4. Periodic Modulation of SAPS Channel Electric Field......Page 82
References......Page 83
1. Introduction......Page 85
3. Results and Sumary......Page 86
References......Page 91
2. Approach......Page 93
3. Results......Page 94
4. Sumary......Page 99
References......Page 100
1. Introduction......Page 101
2. Results......Page 102
References......Page 117
1. Preamble......Page 122
3. Storm Enhanced Density......Page 123
6. Subauroral Polarization Stream......Page 126
8. Magnetic Conjugacy Characteristics of the SED......Page 130
9. Polarization Terminator......Page 131
References......Page 134
1. Introduction......Page 136
3. Coupling and Its Effects......Page 137
4. Modeling......Page 140
References......Page 143
1. Introduction......Page 145
2. Observations......Page 146
3. Discusion and Conclusion......Page 153
References......Page 154
1. Introduction......Page 156
2. Data Sets and Analysis Methods......Page 157
3. LLZEF Perturbations of Geomagnetic Origin......Page 159
References......Page 166
1. Introduction......Page 168
2. Interplanetar y and Ground-Based Magnetic Field Measurements Related tothe October 30, 2003, Superstorm......Page 169
3. Modeling of Ionospheric Electron Density Dynamics and the Critical Frequency of F2 Layer Over Jicamarca During the October 30, 2003, Event......Page 171
References......Page 175
1. Introduction......Page 177
2. Model Description......Page 178
3. Comparison of Model Results......Page 180
References......Page 183
Global Modeling of Storm-Time Thermospheric Dynamics and Electrodynamics......Page 185
1. Introduction......Page 186
2. Modeling Global Thermosphere Dynamics......Page 189
3. Electrodynamic Modeling......Page 190
4. Discusion......Page 195
5. Conclusion......Page 196
References......Page 197
1. Introduction......Page 199
2. Satellite Measurements......Page 200
3. Examples of the Neutral Atmospheric Response in Individual Storm Case Histories......Page 203
4. Discussion......Page 212
References......Page 215
1. Introduction......Page 218
2. Composition and Ionospheric Storms......Page 219
3. Global and Regional Observations of Large-Scale Composition Changes......Page 222
4. Conclusions......Page 228
References......Page 229
1. Introduction......Page 232
2. Measurements and Models......Page 234
3. Energetics of the J77 Thermosphere......Page 237
4. Conclusions and Recommendations......Page 240
References......Page 242
Sources of F-Region Height Changes During Geomagnetic Storms at Mid Latitudes......Page 244
2. Thermospheric Circulation......Page 245
3. CTIPe Model......Page 246
4. Results......Page 247
References......Page 254
Neutral Composition and Density Effects in the October-November 2003 Magnetic Storms......Page 256
1. Introduction......Page 257
2. Observations : Magnetic Activity, Neutral Density Measurements, and FUV Imaging......Page 258
3. Storm Onset, TAD, and Initial ΣO/N2 State......Page 261
6. Discusion and Conclusion......Page 264
References......Page 265
1. Introduction......Page 267
3. Conjugacy of Storm -Time TIDs......Page 268
4. Comparison With AMIE/TIEGCM......Page 271
5. Summary and Discussion......Page 272
References......Page 275
1. Introduction......Page 278
2. Elements of Coupled Interactive Behavior......Page 279
3. Sources of Instability......Page 281
4. Discusion......Page 283
References......Page 284
1. Introduction......Page 286
2. Observations......Page 287
3. Discusion......Page 288
References......Page 289
1. Introduction......Page 291
3. Representative Demeter Observations......Page 295
4. Discusion......Page 301
References......Page 302
1. Introduction......Page 305
2. Data Presentation......Page 306
3. Discussion......Page 308
References......Page 310
Global-Scale Observations of the Limb and Disk GOLD: New Observing Capabilities for the Ionosphere-Thermosphere......Page 312
1. Introduction......Page 313
2. GOLD Science Objectives......Page 314
3. Technical Approach......Page 315
5. Summary and Conclusions......Page 316
Index......Page 320