Combining Radon and heat as tracers to characterise surface water and groundwater exchange pathways

(1) Connected Waters Initiative Research Centre (CWI), University of New South Wales, Sydney, Australia, (3) National Centre for Groundwater Research and Training (NCGRT), Australia, (2) School of Geosciences, Monash University, Melbourne, Australia, (4) Department of Hydrology, Universitat Bayreuth, Germany, (5) School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, (6) Australian Nuclear Science and Technology Organisation (ANSTO), Sydney, Australia