Improving plant water isotope models with precise estimates of source water δ2H and δ18O values for trees from precipitation δ2H and δ18O values

Ansgar Kahmen1, Nadine Brinkmann2, Stefan Seeger3, Nina C Buchmann2, Werner Eugster4 and Markus Weiler5, (1)University of Basel, Environmental Sciences - Botany, Basel, Switzerland, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)Albert-Ludwigs Universty of Freiburg, Chair of Hydrology, Freiburg, Germany, (4)ETH Swiss Federal Institute of Technology Zurich, Institute for Agricultural Sciences, Zurich, Switzerland, (5)University of Freiburg, Freiberg, Germany