This study of recharge mechanisms to the Memphis aquifer in Shelby County, Tennessee, sought to develop better tools to enhance MLG&W's capabilities in managing water resources of the Memphis aquifer and improve sourcewater protection. The specific objective of the study was to develop a better understanding of the magnitude and impact of recharge through windows in the upper Claiborne confining layer. The study was successful in describing in more detail the flow behavior and unique age distribution characterization at this shallow aquifer. The combined tools used to study the window site have resulted in a new proposed hydrostratigraphic conceptual model for the site explaining the most probable genesis of the window as well as groundwater flow patterns in and around the window. Includes CD.

This monograph instructs the reader on how to analyze the hydrogeochemical vulnerability. It introduces notions of geochemical signals, points of migration of pollutants in the unsaturated zone, and new hydrogeochemical classifications. Three test sites in the USA, Germany, and Moldova are described as case studies accompanied by illustrative data. The authors presuppose for future readers only the background mathematics and elementary knowledge of hydrogeology. The presented methodology is both for local and regional assessments. It is simple, does not need implication of high qualification specialists and can be applied to test the groundwater quality. The book is useful for undergraduate, graduate, master, and PhD students as well as water quality specialists, ecologists and geology professionals.