At the end of the book thirteen well investigated case studies of flooded underground mine and mine water tracer tests are described and interpreted from a hydrodynamic point of view. Then the book presents some new methodologies for conducting tracer tests in flooded mines and gives some hints to passive mine water treatment. As all investigations are based on precise data, the book gives some key issues of monitoring and sampling, especially flow monitoring. Based on in-situ measurements the hydrodynamic processes in a flooded mine are described and some of the mine closure flow models exemplified. After an introduction to the relevant hydrogeochemical processes the book gives detailed information about mine closure procedures. This book addresses the processes related to mine abandonment from a hydrogeological perspective. As the water in the open space rises, the water might become contaminated with different pollutants and eventually start to flow in the open voids. Switching off the pumps of a mine is one of the last steps in the lifetime of a surface or underground mine.
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