Denudation and Weathering Rates from Meteoric 10Be/9Be Ratios in the Amazon Basin

Hella Wittmann1, Friedhelm von Blanckenburg2,3, Nadine Dannhaus1, Mr. Julien Bouchez, PhD4, Jerome Gaillardet4, Jean-Loup Guyot Sr.5, Laurence Maurice6,7, Henrique Roig8, Naziano Filizola9 and Marcus Christl10, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)Freie Universität Berlin, Berlin, Germany, (4)Institut de Physique du Globe de Paris, Paris, France, (5)Institut de Recherche pour le Developpement Lima, GET, Lima, Peru, (6)GEToulouse-CNRS-IRD-Université de Toulouse, Toulouse, France, (7)IRD Institute for Research and Development- Quito, Quito, Ecuador, (8)University of Brasilia, Institute of Geoscience, Brasilia, Brazil, (9)Universidade Federal do Amazonas, Manaus, Brazil, (10)ETH Zurich, Laboratory of Ion Beam Physics, Zurich, Switzerland