Mass ejections

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  • Coronal Mass Ejections are a spectacular an violent phenomenon of the solar atmosphere with repercussions throughout the entire heliosphere. They are a spectacular sight when seen to erupt from the Sun with the aid of a coronagraph such as LASCO on the Solar and Heliospheric Observatory SoHO. They are a violent phenomenon when arriving at Earth, pounding on our magnetosphere, and sometimes disrupting all kinds of achievements of the industrial and information age.

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  • The concept of summerschools and workshops at the Kanzelho¨he Solar Observatory, Ka¨rnten, Austria, devoted to up-to-date topics in solar physics has been proven to be extremely successful, and thus in August/September 2003 the third combined summerschool and workshop was held there. This book contains the proceedings of the Summerschool and Workshop “Solar Magnetic Phenomena” held from 25 August to 5 September 2003 at the Solar Observatory Kanzelho¨he, which belongs to the Institute for Geophysics, Astrophysics and Meteorology of the University of Graz, Austria.

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  • Breaking waves on the sea cause the ejection of many tiny droplets of seawater into the atmosphere. These droplets dry by evaporation leaving sea salt particles suspended in the air. Particles are also directly emitted by the bursting of air bubbles on sea surface Such particles are generally in the size range between 1 to 20µm. [19]. Whilst these particles are, in the main, rather coarse in size, a minor part of their mass is in particles small enough to have an appreciable atmospheric lifetime, which has been estimated as three days [20].

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