Can Sap Flow Help Us to Better Understand Transpiration Patterns in Landscapes?

Sibylle K Hassler, Karlsruhe Institute of Technology, Karlsruhe, Germany, Markus Weiler, Albert-Ludwigs-University of Freiburg, Chair of Hydrology, Freiburg, Germany and Theresa Blume, GFZ German Research Centre, Potsdam, Germany