In an interdisciplinary field‎,‎ geology science is related to groundwater related issues‎,‎ environmental and engineering problems‎.‎ So understanding geology is critical to effectively manage water resources and solve related environmental or engineering issues precisely‎.‎ Geotechnical methodologies are used interdisciplinary subjects such as elementary investigation and mapping‎,‎ movement pattern understanding and modelling‎,‎ groundwater management and regional development policies and plans‎.‎ The focus of this book includes applied geomorphology‎,‎ applied geophysics and geochemistry‎,‎ environmental geology and hydrogeology‎,‎ natural hazards‎,‎ remote sensing techniques‎,‎ applied geotechnical engineering‎,‎ regional geographic review and policy‎-make‎.‎ This book also contains up‎-to‎-bottom discussions about research challenges‎,‎ economy analysis and assessment the utility of geographic methodologies‎.‎