Auroral Phenomenology and Magnetospheric Processes: Earth by Andreas Keiling, Eric Donovan, Fran Bagenal, Tomas Karlsson

By Andreas Keiling, Eric Donovan, Fran Bagenal, Tomas Karlsson

Published via the yank Geophysical Union as a part of the Geophysical Monograph Series.

a number of the most elementary features of the aurora stay unexplained. whereas some time past terrestrial and planetary auroras were principally handled in separate books, Auroral Phenomenology and Magnetospheric tactics: Earth and different Planets takes a holistic strategy, treating the aurora as a basic procedure and discussing the phenomenology, physics, and dating with the respective planetary magnetospheres in a single quantity. whereas there are a few behaviors universal in auroras of different planets, there also are amazing changes that try out our simple figuring out of auroral strategies. the target, upon which this monograph is targeted, is to attach our wisdom of auroral morphology to the actual methods within the magnetosphere that strength and constitution discrete and diffuse auroras. figuring out this connection will bring about a extra entire clarification of the aurora and likewise extra the objective of having the ability to interpret the worldwide auroral distributions as a dynamic map of the magnetosphere. the quantity synthesizes 5 significant components: auroral phenomenology, aurora and ionospheric electrodynamics, discrete auroral acceleration, aurora and magnetospheric dynamics, and comparative planetary aurora. masking the hot advances in observations, simulation, and conception, this booklet will serve a wide neighborhood of scientists, together with graduate scholars, learning auroras at Mars, Earth, Saturn, and Jupiter. Projected past our sun process, it could even be of curiosity for astronomers who're trying to find aurora-active exoplanets.Content:

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Extra resources for Auroral Phenomenology and Magnetospheric Processes: Earth And Other Planets

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24 COMPARATIVE AURORAL PHYSICS Delamere, P. A. (2012), Auroral signatures of solar wind interaction at Jupiter, in Auroral Phenomenology and Magnetospheric Processes: Earth and Other Planets, Geophys. Monogr. , doi:10. 1029/2011GM001180, this volume. Delamere, P. , and F. Bagenal (2010), Solar wind interaction with Jupiter’s magnetosphere, J. Geophys. , 115, A10201, doi:10. 1029/2010JA015347. , E. Spanswick, J. Liang, J. Grant, B. Jackel, and M. Greffen (2012), Magnetospheric dynamics and the proton aurora, in Auroral Phenomenology and Magnetospheric Processes: Earth and Other Planets, Geophys.

12, 273–282. -I. , D. Reidel, Dordrecht, The Netherlands. -I. , Springer, New York. , and S. Chapman (1962), A large-scale change in the distribution of the auroras during the 11 February 1958 magnetic storm, J. Atmos. Terr. , 24, 741–742. , A. T. Y. -I. Meng (2010), Importance of auroral features in the search for substorm onset processes, J. Geophys. 1029/2009JA014960. Angot, A. , D. Appleton, New York. Baumjohann, W. -I. Meng, M. Roycroft, and L. A. Frank, pp. 361– 367, Cambridge Univ. Press, Cambridge, U.

The belt of the highest occurrence of the aurora appears as an oval shape in the geomagnetic-MLT coordinate. This belt is called the auroral oval. ) The oval expands during active periods and contracts during quiet periods. Until about the IGY period, Loomis’ auroral zone had generally been considered to be the actual belt along which auroral arcs lie. The author, as a graduate student, noticed that in Fairbanks, Alaska, auroral arcs appear first near the northern horizon in the evening sky; they shift gradually southward as the night progresses and recede northward in the morning sky (see Figure 2).

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