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Full Description
This volume surveys our current scientific understanding of the terrestrial aurora. It is organized into eleven reviews detailing theoretical and observational aspects of characteristic auroral morphologies, and how these in turn are organized according to local time, latitude, and activity level.
Popular descriptions often attribute the aurora to the interaction of charged particles from the solar wind with atoms in the upper atmosphere. In fact, most auroras are not the result of direct entry of solar wind particles. Rather, as detailed in this volume, auroral particle acceleration and generation of auroral forms occur primarily within the magnetosphere. Importantly, many key aspects of the aurora - most notably, the physical mechanisms responsible for the generation of discrete arcs - are still unexplained, and auroral physics continues to be an active area of scientific research. Each review chapter therefore includes a summary of open questions for further investigation.
Providing the first comprehensive review of the terrestrial aurora in two decades, this book will aid both active researchers and newcomers interested in understanding the current state of the field.
Previously published Space Science Reviews in the Topical Collection "Auroral Physics"
Contents
1 Preface to the Topical Collection on Auroral Physics.- 2 Quiet, Discrete Auroral Arcs—Observations.- 3 Quiet, Discrete Auroral Arcs: Acceleration Mechanisms.-4 Quiescent Discrete Auroral Arcs: A Review of Magnetospheric Generator Mechanisms.- 5 Small-Scale Dynamic Aurora.- 6 Diffuse and Pulsating Aurora.- 7 Physical Processes of Meso-Scale, Dynamic Auroral Forms.- 8 Proton Aurora and Optical Emissions in the Subauroral Region.- 9 Dayside Aurora.- 10 On the relationship between shear Alfvén waves, auroral electron acceleration, and field-line resonances.- 11 Aurora in the Polar Cap: A Review.- 12 Airglow Patches in the Polar Cap Region: A Review.
