Alicia Beatriz Correa Barahona¹, Christian Birkel¹, Jason Gutierrez¹, Joni Dehaspe², Ana Maria Duran-Quesada³, Chris Soulsby⁴ and Ricardo Sanchez-Murillo⁵, (1)University of Costa Rica, Department of Geography and Water and Global Change Observatory, San Jose, Costa Rica, (2)Umweltforschungszentrum, Leipzig, Germany, (3)University of Costa Rica, Department of Physics and Geophysical Research Center, San Jose, Costa Rica, (4)University of Aberdeen, Northern Rivers Institute, Aberdeen, United Kingdom, (5)National University of Costa Rica, Stable Isotopes Research Group and Water Resources Management Laboratory, Heredia, Costa Rica