Teneurs en tritium des eaux du karst du Taurus occidental et de Pisidie (Turquie)

Summary The hydrologic study, by the mean of tritium of Taurus karst (Turkey), has shown two kinds of underground circulations: aconstant circulation whose waters have a mean residence time of one year andstill waters, several years older, found in a deeper karst. Moreover the averge time of renewal of Lake Beysehir has been put in evidence. The results have very important consequences on the future development of this area and the harnessing of its potentials.