Dayside and Polar Cap Aurora

  • Per Even Sandholt
  • Herbert C. Carlson
  • Alv Egeland

Part of the Astrophysics and Space Science Library book series (ASSL, volume 270)

Table of contents

About this book


The auroral emissions in the upper atmosphere of the polar regions of the Earth are evidence of the capture of energetic particles from the Sun, streaming by the Earth as the solar wind. These auroral emissions, then, are a window to outer space, and can provide us with valuable information about electrodynamic coupling processes between the solar wind and the Earth's ionosphere and upper atmosphere. Studying the physics of these phenomena extends our understanding of our plasma universe.

Ground-based remote-sensing techniques, able to monitor continuously the variations in the signatures of aurorae, in combination with in-situ satellite and rocket measurements, promise to advance dramatically our understanding of the physical processes taking place at the interface of the atmospheres of the Earth and the Sun. Decoding their complexity brings us closer to reliable prediction of communication environments, especially at high latitudes. This understanding, in turn, will help us resolve problems of communication and navigation across polar regions.


Plasma Solar wind particles satellite solar wind

Authors and affiliations

  • Per Even Sandholt
    • 1
  • Herbert C. Carlson
    • 2
  • Alv Egeland
    • 3
  1. 1.Department of PhysicsUniversity of OsloNorway
  2. 2.Air Force Office of Scientific ResearchArlingtonUSA
  3. 3.Department of PhysicsUniversity of OsloNorway

Bibliographic information