Advances in Geosciences www.adv-geosci.net 1680-7340 1680-7359 22 4th EGU Alexander von Humboldt Conference "The Andes: Challenge for Geosciences" 2009 10.5194/adgeo-22-1-2009 http://www.adv-geosci.net/22/1/2009/ http://www.adv-geosci.net/22/1/2009/adgeo-22-1-2009.html http://www.adv-geosci.net/22/1/2009/adgeo-22-1-2009.pdf 1 1 2009-10-13 <i>Preface</i><br><br> 4th EGU Alexander von Humboldt Conference<br> "The Andes: Challenge for Geosciences" P. Fabian R. Garreau C. Schneider R. Tilling European Geosciences Union, Technical University of Munich (TUM), Germany Department of Geophysics, Universidad de Chile, Chile Department of Geography, RWTH Aaachen University, Germany US Geological Survey, USA No abstract available.