Effects of a Reservoir Water on the GW Quality in a Coastal Aquifer of Semi-arid Region, North-east of Tunisia

Chisato Uchida1, Atsushi Kawachi1, Maki Tsujimura1 and Jamila Tarhouni2, (1)University of Tsukuba, Tsukuba, Japan, (2)Institut National Agronomique de Tunisie, Tunis, Tunisia