An Overview of Groundwater resources In the Nile Delta aquifer -- Land and Groundwater Resources in the Egypt’s Nile Valley, Delta and its Fringes -- Use of Groundwater in Nile Alluvial Soils and Their Fringes -- Ground water and agriculture in the Nile Delta -- Sedimentological Characteristics of the Quaternary Groundwater Aquifer, Northwestern Nile Delta, Egypt -- Hydrogeophysical Characteristics of the central Nile Delta aquifer -- Resistivity Characterization of Aquifer In Coastal Semi Arid-Areas: An Approach For Hydrogeological Evaluation -- Hydrogeophysical Investigations at El-Nubariya -Wadi El-Natrun Area, West Nile Delta, Egypt -- Salinization and Origin of the Coastal Shallow Groundwater Aquifer, Northwestern Nile Delta, Egypt -- Soil Aquifer Treatment System Design Equation for Organic Micropollutant Removal -- Investigation of Saltwater Intrusion in Coastal Aquifers -- Control of saltwater intrusion in coastal aquifers -- 1D subsurface temperature profiles to characterize the groundwater flow system in the northwestern part of the Nile Delta, Egypt -- Use of Geoelectrical Resistivity to Delineate the Seawater Intrusion in the Northwestern Part of the Nile Delta, Egypt -- Integrated Subsurface Thermal Regime and Hydrogeochemical Data to Delineate the Groundwater Flow System and Seawater Intrusion in the Middle Nile Delta, Egypt -- Integrated Groundwater Modeling for Simulation Saltwater Intrusion in the Nile Delta Aquifer, Egypt -- Groundwater Modeling and Assessment under Uncertain Hydrological Conditions for Egyptian Sahara -- Groundwater Potential in the New Valley South West the Nile Delta in Egypt -- Hydrogeochemistry and Quality Assessment of Groundwater Under Some Central Nile Delta Villages, Egypt -- Assessment of the Groundwater Quality for Drinking and Irrigation -- Purposes in the Central Nile Delta Region, Egypt -- Groundwater Management for Sustainable Development East of the Nile Delta Aquifer -- Groundwater Management for Sustainable Development Plans for the Western Nile Delta -- Conclusions and Recommendations.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 subsurface temperature 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.