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Table of contents (10 chapters)
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Front Matter
About this book
Electrical processes take place in all planetary atmospheres. There is evidence for lightning on Venus, Jupiter, Saturn, Uranus and Neptune, it is possible on Mars and Titan, and cosmic rays ionise every atmosphere, leading to charged droplets and particles. Controversy surrounds the role of atmospheric electricity in physical climate processes on Earth; here, a comparative approach is employed to review the role of electrification in the atmospheres of other planets and their moons. This book reviews the theory, and, where available, measurements, of planetary atmospheric electricity, taken to include ion production and ion-aerosol interactions. The conditions necessary for a global atmospheric electric circuit similar to Earth’s, and the likelihood of meeting these conditions in other planetary atmospheres, are briefly discussed. Atmospheric electrification is more important at planets receiving little solar radiation, increasing the relative significance of electrical forces. Nucleation onto atmospheric ions has been predicted to affect the evolution and lifetime of haze layers on Titan, Neptune and Triton. For planets closer to Earth, heating from solar radiation dominates atmospheric circulations. Mars may have a global circuit analogous to the terrestrial model, but based on electrical discharges from dust storms, and Titan may have a similar global circuit, based on transfer of charged raindrops. There is an increasing need for direct measurements of planetary atmospheric electrification, in particular on Mars, to assess the risk for future unmanned and manned missions. Theoretical understanding could be increased by cross-disciplinary work to modify and update models and parameterisations initially developed for a specific atmosphere, to make them more broadly applicable to other planetary atmospheres. The possibility of electrical processes in the atmospheres of exoplanets is also discussed.
Authors and Affiliations
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, Department of Physics, University of Oxford, Oxford, United Kingdom
Karen L. Aplin
Bibliographic Information
Book Title: Electrifying Atmospheres: Charging, Ionisation and Lightning in the Solar System and Beyond
Authors: Karen L. Aplin
Series Title: SpringerBriefs in Astronomy
DOI: https://doi.org/10.1007/978-94-007-6633-4
Publisher: Springer Dordrecht
eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)
Copyright Information: Springer Science+Business Media Dordrecht 2013
Softcover ISBN: 978-94-007-6632-7Published: 29 May 2013
eBook ISBN: 978-94-007-6633-4Published: 14 May 2013
Series ISSN: 2191-9100
Series E-ISSN: 2191-9119
Edition Number: 1
Number of Pages: X, 57
Number of Illustrations: 8 b/w illustrations, 4 illustrations in colour
Topics: Astronomy, Astrophysics and Cosmology, Planetology, Geophysics and Environmental Physics, Atmospheric Sciences