Groundwater hydrology of arid basins. Deals, particularly with Israel's "international" aquifers, their quality and division with Palestinians and other neighboring countries.

B.Sc. 1974 Hebrew University of Jerusalem (HUJ), Israel. Geography, Geology and Climatology

M.Sc. 1979 HUJ, Israel. hysical Geography and Hydrology
Title of thesis: Processes of Infiltration and Possible Recharge Along Ephemeral Streams in the Negev Highlands

Ph.D. 1984 University of Arizona, Tucson, Arizona, USA. Major in Hydrology and Minor in Soil Water Engineering
Title of thesis: Quantification of Aquifer Recharge Distribution Using Environmental Isotopes and Regional Hydrochemistry