A. Zabaleta1*, T. Morales1, M. Meaurio1, C. Gorria2, I. Antigüedad1 1 Hydrogeology Group, Geodynamics Department, Science and Technology Faculty, University of the Basque Country, Leioa, Spain. 2 Department of Applied Mathematics and Statistics, Science and Technology Faculty, University of the Basque Country, Leioa, Spain.. ane.zabaleta@ehu.es   Abstract Annual and seasonal trends of daily discharge series […]