The maximum economic depth of groundwater abstraction for irrigation
Ludovicus P Van Beek, Utrecht University, Department of Physcial Geography, Utrecht, Netherlands, Inge E.M. de Graaf, University of Freiburg, Chair of Hydrology, Freiberg, Germany, Thomas P Gleeson, University of Victoria, Department of Civil Engineering and School of Earth and Ocean Sciences, Victoria, BC, Canada and Marc FP Bierkens, Deltares, Delft, Netherlands; Utrecht University, Department of Physical Geography, Utrecht, Netherlands