| Opening Session |
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| Opening Address | |
| M. HASEGAWA | 1 |
| Welcome Address | |
| T. KUWAHARA | 3 |
| Opening Address | |
| K. HIRASAWA | 4 |
| Opening Greeting | |
| S. CHAPMAN | 5 |
| Earth Storms: Retrospect and Prospect | |
| S. CHAPMAN | 6 |
| I-1. Morphology of Magnetic Storms |
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| I-1-1. Satellite Observations of the Distant Field during Magnetic Storms: Explorer VI | |
| E. J. SMITH and C. P. SONETT | 17 |
| I-1-2. Magnetic Impulses and Sun-Earth Relations | |
| I. PAGHIS | 21 |
| I-1-3. Changes in the Geomagnetic Field Associated with Magnetic Disturbance | |
| E. J. CHERNOSKY | 25 |
| I-1-4. Characteristics of Telluric Current at Land and Sea Based Stations | |
| V. P. HESSLER | 32 |
| I-1-5. Similarity and Simultaneity of Magnetic Disturbance in the Northern and Southern Hemispheres | |
| T. NAGATA, S. KOKUBUN and N. FUKUSHIMA | 35 |
| I-1-6. World-wide Changes in the Geomagnetic Field | |
| A. NISHIDA and J. A. JACOBS | 39 |
| I-1-7. Solar-Terrestial Relationships during the IGY and IGC | |
| H. MAEDA, K. SAKURAI, T. 0NDOH and M. YAMAMOTO | 45 |
| I-1-8. Details of the Relations between Type IV-Outbursts and sc-Geomagnetic Storms | |
| J. ROOSEN and L. D. de FEITER | 49 |
| I-1-9. Fine Structure of Magnetic Storms in Respect of Pulsations | |
| V. A. TROITSKAYA, L. V. ALPEROVICH and M. V. MELNIKOVA | 57 |
| I-1-10. Magnetic Bay-form Disturbances and Their Connection to the Phenomena in the Ionosphere | |
| M. PUDOVKIN and I. KOROTIN | 58 |
| I-1-P0. Summary of I-1-1 to I-1-10 | |
| E. H. VESTINE | 59 |
| I-1-P1. Morphology of Magnetic Storms | |
| E. H. VESTINE | 61 |
| I-1-P2. Morphology of Magnetic Storms | |
| N. FUKUSHIMA | 70 |
| I-1-P3. On Auroral Isochasms and the Orientation of Auroral Arcs | |
| B. HULTQVIST | 78 |
| I-2. Disturbances in Polar Regions |
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| I-2-1. Large-Scale Electron Bombardment of the Atmosphere at the Sudden Commencement of a Geomagnetic Storm | |
| R. R. BROWN | 92 |
| I-2-2. The Types of Blackout, Their Time Variations and the Mechanisms Producing Them | |
| Vaughn AGY | 93 |
| I-2-3. Polar Cap and Auroral Zone Absorption Events during the First Six Months of the I.G.Y. | |
| G. E. HILL | 97 |
| I-2-4. Sudden Cosmic Noise Absorption at the Moment of Geomagnetic Storm Sudden Commencements | |
| J. ORTNER, R. R. BROWN, T. R. HARTZ, O. HOLT, B. HULTQVIST, H. LEINBACH, C. G. LITTLE | 103 |
| I-2-5. The Detection and Study of Solar Cosmic Rays by Radio Techniques | |
| D. K. BAILEY | 106 |
| I-2-6. Some Auroral Zone Disturbances at Times of Magnetic Micropulsation Storms | |
| W. H. CAMPBELL | 112 |
| I-2-7. Inter-relations among Auroral, Sporadic Ionization and Magnetic Disturbance | |
| T. OGUTI, T. TOHMATSU and T. NAGATA | 117 |
| I-2-8. Polar Blackout during the International Geophysical Year (a 30 Minutes Sound Motion Picture) | |
| Vaughn AGY | 121 |
| I-2-9. Polar Cap Absorption Events Identified from H.F. Vertical Ionosonde Data | |
| D. H. JELLY | 122 |
| I-2-10. Observations of Unusual Low Frequency Propagation Made during Polar Cap Disturbance (PCD) Events | |
| J. S. BELROSE and D. B. Ross | 126 |
| I-2-11. The Electron Density Profile of the Lower Ionosphere during a Polar Cap Absorption Event | |
| G. C. REID | 130 |
| I-2-12. Measurements of Localized Distortions in the Earth's Magnetic Field near the Auroral Zone | |
| R. S. LEONARD | 135 |
| I-2-13. Spiral Distribution of the Ionospheric Magnetic Disturbances | |
| E. V. DOLGOVA | 137 |
| I-2-14. Geographical Distribution of the Ionospheric Disturbances in High Latitudes | |
| R. A. ZEVAKINA | 139 |
| I-2-15. Daily Variations of Blackout Appearances | |
| N. P. BENKOVA and L. A. YUDOVITCH | 143 |
| I-2-16. Abnormal Polar-Cap Absorption Associated with Strong Chromospheric Flares on the the Sun for the Period 1938 to 1959 | |
| A. S. BESPROZVANNAYA | 146 |
| I-2-17. Anomalous Absorption in High Latitudes of the Southern Hemisphere | |
| G. V. BOOKIN | 150 |
| I-2-P1. Introductory Remarks and the Summary of the Ordinary Sessions | |
| J. A. RATCLIFFE | 151 |
| I-2-P2. Blackouts and Sporadic E Layers | |
| W. R. PIGGOTT | 152A |
| I-2-P3. Drift of the E-Layer during Geomagnetic Storms | |
| L. HARANG | 152B |
| I-2-P4. Polar Storms, Especially in the Southern Polar Region | |
| T. NAGATA | 157 |
| I-3. Theories of Magnetic Storms and Aurorae |
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| I-3-1. Solar-Stream Distortion of the Geomagnetic Field as a Mechanism for Producing Polar Auroras and Electrojets | |
| J. W. KERN | 165 |
| I-3-2. The Ring Current and a Neutral Line Discharge Theory of the Aurora Polaris | |
| S. AKASOFU and S. CHAPMAN | 169 |
| I-3-3. A Comprehensive Model of Auroral and Geomagnetic Disturbances | |
| W. I. AXFORD, J. A. FEJER and C. O. HINES | 173 |
| I-3-4. A Mechanism to Establish the Magnetic Storm Ring Current | |
| A. J. DESSLER, W. B. HANSON and E. N. PARKER | 178 |
| I-3-5. Variation of Upper Atmosphere Densities with Solar Activity | |
| K. D. COLE | 183 |
| I-3-6. Interchange and Rotation of the Earth Field Lines | |
| T. GOLD | 187 |
| I-3-7. On the Geographic Distribution of the Areas of the Solar Corpuscular Impingements of the Arctic | |
| A. P. NIKOLSKY | 189 |
| I-3-P1. Theory of Magnetic Storms | |
| S. F. SINGER | 198 |
| I-3-P2. Theory of Magnetic Storms | |
| E. N. PARKER | 199 |
| I-3-P3. Particle Precipitations and Geomagnetic Storms | |
| T. OBAYASHI | 201 |
| I-4. Aurora and Airglow Including Auroral X-Rays |
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| I-4-1. Behavior of 6300A OI in the Night Airglow at Sacramento Peak, New Mexico during Magnetically Quiet and Magnetically Disturbed Periods | |
| S. M. SILVERMAN | 205 |
| I-4-2. Geophysical Positions of the Red Arcs of October 25 and October 26 1960 | |
| J. G. MOORE | 210 |
| I-4-3. Hydrogen Emissions and Sporadic E Layer Behaviour | |
| R. MONTALBETTI and D. J. McEWEN | 212 |
| I-4-4. Horizontal Auroral Motions and Magnetic Disturbance at the Auroral Zone | |
| T. N. DAVIS | 216 |
| I-4-5. Radio Studies of the Aurora | |
| R. L. LEADABRAND | 218 |
| I-4-6. Geographical Distribution of Aurorae in the Southern Hemisphere | |
| J. I. FELDSTEIN and E. K. SOLOMATINA | 223 |
| I-4-7. Magnetic Disturbances and Aurorae in the Nearpolar Region of the Northern Hemisphere | |
| J. I. FELDSTEIN | 225 |
| I-4-8. Time Correlation of Auroral Spectra | |
| J. NAKAMURA | 227 |
| I-4-9. Low Latitude Red Aurora and Low Energy Protons in Van Allen Belt | |
| T. HIKOSAKA and K. YANO | 233 |
| I-4-10. Balloon Observations of Auroral Zone X-Rays | |
| R. R. BROWN | 236 |
| I-4-11. Relation of Balloon X-rays to Visible Auroras in the Auroral Zone | |
| K. A. ANDERSON | 237 |
| I-4-12. Auroral X-Ray Observations at Minneapolis, Minnesota | |
| P. D. BHAVSAR | 242 |
| I-4-P1. Theory of Auroral Bombardment | |
| J. W. CHAMBERLAIN | 247 |
| I-4-P2. Characteristics of Aurora | |
| C. T. ELVEY | 249A |
| I-4-P3. Investigations of Auroral Planetary Distribution | |
| A. I. LEBEDINSKY, Ya. I. FELDSTEIN and O. V. KHOROSHEVA | 249B |
| I-4-P4. Airglow and Earth Storm | |
| D. BARBIER | 255 |
| I-4-P5. Mid Latitude Auroras | |
| F. E. ROACH | 258 |
| I-5. Ionospheric Disturbances |
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| I-5-1. Variability of F2 layer Critical Frequencies during ionospheric Disturbances | |
| L. N. LYAKHOVA | 260 |
| I-5-2. Charged Particles in the Earth's Magnetic Field and the Ionospheric F2 layer | |
| P. ROTHWELL | 263 |
| I-5-3. On the Morphology of Ionospheric Disturbances depending on the Character of Commencements of Geomagnetic Storms | |
| V. G. DUBRAVSKY and S. A. KRAMARENKO | 271 |
| I-5-4. Some Aspects of Ionosphere Storms | |
| J. A. RATCLIFFE | 274 |
| I-5-5. Solar Flare Effects in the F-Region of the Ionosphere | |
| R. W. KNECHT and R. McDUFFIE | 280 |
| I-5-6. Ionospheric Disturbances and Changes in Cosmic Radio Noise Absorption on 25 Mc/s at Ahmedabad Associated with Some Solar Events and Geomagnetic Storms in November 1960 | |
| S. S. DEGAONKAR and R. V. BHONSLE | 286 |
| I-5-7. Vertical Travelling Disturbances in the Ionosphere | |
| N. M. BOENKOVA and J. V. KUSHNEREVSKY | 292 |
| I-5-8. Interaction of Trapped Radiation and the Ds Current System | |
| K. D. COLE | 296 |
| I-5-9. The Origin of Irregularities in the F Region | |
| J. W. DUNGEY | 300 |
| I-5-10. Topside Soundings of the Ionosphere | |
| R. W. KNECHT | 302 |
| I-5-P1. Morphology of Ionospheric Storms | |
| A. H. SHAPLEY | 303 |
| I-5-P2. Morphology of the Disturbed Ionosphere | |
| D. F. MARTYN | 304 |
| I-5-P3. Morphology of Ionospheric Storms | |
| H. KAMIYAMA | 306 |
| I-5-P4. Ionospheric Disturbances at Auroral Latitudes | |
| C. O. HINES | 308 |
| I-6. Summary of the Disturbances in the Ionospheric Regions |
|---|
| I-6-P1. Density and Energy in the Upper Atmosphere | |
| M. NICOLET | 314 |
| I-6-P2. Disturbances in the Ionospheric Region | |
| W. J. G. BEYNON | 320 |
| I-6-P3. Electric Current in the Ionosphere and the Aurora | |
| S. CHAPMAN | 325 |
| Appendix |
|---|
| Theory of Magnetic Storms | |
| S. F. SINGER | 329 |
