1 23 Environmental Earth Sciences ISSN 1866-6280 Environ Earth Sci DOI 10.1007/s12665-013-2371-6 Localisation and temporal variability of groundwater discharge into the Dead Sea using thermal satellite data U. Mallast, C. Siebert, B. Wagner, M. Sauter, R. Gloaguen, S. Geyer & R. Merz