This unique volume offers an up-to-date overview of all the main aspects of groundwater in the Nile Delta and its fringes, as well as latest research findings. The themes covered include: ·       Nile Delta aquifer formation and its characteristics ·       The use of the groundwater in the Nile Delta and its implications ·       Sedimentology and hydrogeophysical characteristics ·       Groundwater investigations and aquifer characterization using current direct resistivity and induced polarization ·       Groundwater contamination and degradation ·       Saltwater intrusion and its control ·       Delineation of groundwater flow and seawater intrusion using various techniques, including one-dimensional subsurfacetemperature profiles, geoelectrical resistivity, and integrated subsurface thermal regime and hydrogeochemical data ·       Modeling of groundwater and of saltwater intrusion in the Nile Delta aquifer ·       Excessive pumping and groundwater quality assessment for irrigation and drinking purposes ·       Groundwater management for sustainability in the Nile Delta. The volume appeals to postgraduate students, researchers, scientists, professionals, decision makers and planners.