Bonn 2010 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 1: Near Earth Space I

EP 1.1: Hauptvortrag

Montag, 15. März 2010, 09:00–09:30, AKM

Highlights of the CAWSES priority program in Germany — •Franz-Josef Lübken — Leibniz Institute for Atmospheric Physics, 18225 Kühlungsborn, Germany

The German Science Foundation (Deutsche Forschungsgemeinschaft, DFG) has created a priority program for the period 2005-2011 closely linked to the international CAWSES project of SCOSTEP. The aim is a better understanding of the influence of the Sun on the terrestrial atmosphere on time scales from hours to centuries. The focus is on absorption of solar radiation and particles, the generation and modification of photochemically active trace gases, and the generation of waves, including tides. Topics being investigated include: 1. characterisation of solar forcing by electromagnetic radiation and by particle impact, 2. analysis of solar forcing impact on the thermal, dynamical, electro-dynamical, and compositional structure of the atmosphere from the upper troposphere to the lower thermosphere and on time scales from hours to centuries, 3. investigation of the coupling mechanisms in the atmosphere, including transport of trace gases, and the morphology of waves, 4. understanding of solar signals in atmospheric parameters which are not directly influenced by the Sun, including a study of the relevant physical and photochemical processes, 5. comparison of solar induced long term variations with anthropogenic climate change, 6. relevant laboratory studies. Approximately 80-100 scientists at 25 research institutes in Germany are involved in this program. Some scientific highlights of phase I and II of this program will be presented.

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