4.6 Conceivable Atmospheric Experiments ............ ....... 78 4.6.1 High-Altitude Injection of Gases, Plasmas, and Electron Ion Beams (Pongratz)................... 78 4.6.2 Relevance of SCATHA (P78-2) to SPS (Chiu).............. 78 4.6.3 Cameo, Firewheel and Other Experiments (Chiu).......... 79 4.6.4 Starfish and Other Past Nuclear Explosions (Palmadesso) ................................... 80 5 CONCLUSIONS AND RECOMMENDATIONS .................................... 82 5.1 Introduction. ......................... 82 5.2 Permanent Depletion of F-Region Ionization..................... 82 5.3 Problems Involving ^0, H2, and NO............................. 83 5.4 Problems Involving Argon Ion Injections in the Plasmasphere and Magnetosphere (Carlson and Vondrak) ................ 84 APPENDIX A: List of Workshop Participants ............................ A.l APPENDIX B: Scenario for SPS Construction ............................ B.l APPENDIX C: Abbreviations and Acronyms.................................. C.l APPENDIX D: Ambient Atmospheric Loadings for Different Species..........D.l APPENDIX E: References.................................................. E.l APPENDIX F: Supplementary Material...................................... F.l LIST OF FIGURES No. Title Page 1 SPS Heavy Lift Launch Vehicle Trajectory and Exhaust Products Data......................................................... 9 2 Mesospheric Water Vapor Measurements............................ . 24 3 Horizontal Dispersion of a Function of Travel Time — Data for the Upper Stratosphere and Mesosphere ....................... 35 4 Mesospheric Nitric Oxide Measurements ............................ 47 5 POTV Effluent Deposition.......... 56 B .l Scenario for Construction of Two 5 GW Satellites/year...........B.2 D.l Atmospheric Species Concentrations........................ D.2 LIST OF TABLES No. Title Page S .l Propulsion Injectants into the Upper Atmosphere ....... ..... 4 S .2 Recommendations for Research....................................... 5 1 SPS Injections into the Upper Atmosphere............................ 12 2 Atmospheric Domains ............................................... 14 3 Atmospheric Injection Rates for each Domain ....................... 15
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