First steps into Water-Energy-Food-Ecosystem Nexus Transition in semiarid depopulated regions: A case of study in the Spanish Duero basin - Daniel Alberto Segovia-Cardozo, María Sánchez-Bayo González, Mara Vallejos Mihotek, Xenia Schneider,; Leonor Rodriguez-Sinobas (Egu General Assembly 2024, 2024)