Aeronomy

Preface

Acknowledgments

Contents of Part B

Chapter 1. General Introduction


1.1 Atmospheric Regions


1.2 Atmospheric Density


1.3 Temperature


1.4 Molecular Mass


1.5 The Ionosphere

References

Chapter 2. The Composition of the Homosphere


2.1 Introduction


2.2 Principal Permanent Constituents


2.3 The Noble Gases


2.4 Molecular Composition


2.5 Isotopic Composition

References

Chapter 3. Physical Conditions of the Homosphere


3.1 Introduction


3.2 Numerical Values between 15 and 100 km


3.3 Lower Thermosphere

References

Chapter 4. The Transition from the Homosphere to the Heterosphere


4.1 Introduction


4.2 The Theoretical Problem


4.3 Ozone Formation


4.4 Lifetime of Atomic Oxygen


4.5 Atomic Oxygen at 100 km

References

Chapter 5. Temperature Gradient in the Thermosphere


5.1 Introduction


5.2 Conditions at 200 km


5.3 Conditions above 250 km


5.4 Energies in the Thermosphere

References

Chapter 6. Photoabsorption


6.1 Introduction


6.2 Absorption of x Rays between 1 and 10 A


6.3 Absorption of x Rays between 10 and 100 A


6.4 Absorption of Ultraviolet Radiation Shorter than 1000 A


6.5 Absorption of Ultraviolet Radiation Longer than 1000 A

References

Chapter 7. Solar Radiation and Photoionization


7.1 Introduction


7.2 Blackbody Emissions and Solar Data


7.3 X Rays


7.4 Ultraviolet Radiation at Wavelengths Shorter than 1050 A


7.5 Lyman a and Lyman ß


7.6 Variation of Solar Emission

References

Chapter 8. Photodissociation


8.1 Molecular Oxygen


8.2 Ozone


8.3 Molecular Nitrogen


8.4 Water Vapor


8.5 Other Constituents

References

Chapter 9. Collision Processes


9.1 Introduction


9.2 Collision Processes


9.3 Cross Sections Which Depend upon Velocity


9.4 Elastic Collisions of Electrons with Neutral Particles


9.5 Inelastic Electron Collisions with Neutral Particles


9.6 Collisions between Ions and Neutral Particles


9.7 Charged Particle Collisions

References

Chapter 10. Aeronomic Reactions


10.1 Introduction


10.2 Radiative Recombination of Atoms


10.3 Recombination of Atoms by Three-Body Collisions


10.4 Atom Interchange


10.5 Radiative Recombination of Atomic Ions


10.6 Dissociative Recombination of Ions


10.7 Ion—Neutral Reactions


10.8 Cluster Reactions of Positive Ions


10.9 Negative Ions

References

Chapter 11. Oxygen and Ozone


11.1 Introduction


11.2 Dissociation of Oxygen


11.3 Ozone Distribution and Optical Depth


11.4 Products of the Ozone Photodissociation


11.5 Concentration of Excited Atoms and Molecules

References

Chapter 12. Nitrogen and Nitrogen Oxides


12.1 Introduction


12.2 Dissociation of Molecular Nitrogen


12.3 Production of Atomic Nitrogen


12.4 Formation of Nitric Oxide


12.5 Reactions Involving Atomic Hydrogen


12.6 Ionospheric Production of N and NO


12.7 Effect of Excited Nitrogen Atoms

References

Chapter 13. Hydrogen Compounds and Their Effects in the Chemosphere


13.1 Introduction


13.2 Dissociation and Oxidation of Hydrogen Compounds


13.3 Water Vapor and Methane in the Stratosphere and Mesosphere


13.4 Vertical Transport in the Stratosphere and Mésosphere


13.5 Reactions Involving a Single Hydrogen Atom


13.6 Effect of Hydrogen on the Distributions of O and 03


13.7 Rates of Change for the Hydrogen Compounds

References

Appendix A. A Guide to Reactions and Reaction Rate Coefficients

Author Index for Part A

Subject Index for Parts A and B