Spatial Modeling of Environmental Pollution and Ecological Risk provides valuable information and insights for researchers, students and professionals in geography, hydrology, sedimentology, soil science, agriculture, engineering and GIS as they face increasingly complex challenges around development strategies for a sustainable society. Written by the world’s leading researchers in their field, each article will begin with a short introductory essay that includes an overview of the sections' papers. Individual chapters focus on the core themes of research and knowledge and some topics that have received lesser attention. Each chapter will review the current understanding of knowledge regarding the present study and scope and consider where future efforts should be directed.

This volume covers the floods of the major rivers of the Ganga-Brahmaputra-Meghna (GBM) Delta, and storm surge related coastal floods in these regions. The book is dedicated to addressing floods from an integrated physical-social perspective to provide students and researchers with a holistic understanding of floods in terms of both human and geomorphological aspects. The systematic coverage of all the major rivers and coastal areas in the GBM delta and surrounding regions will foster a clear comprehension of this dense reservoir of population, where thousands of people are impacted every year due to flood hazards and agricultural destabilization. This comprehensive treatment of flood issues in the region covers flash floods, fluvial floods, fluvio-tidal floods, and coastal floods, and outlines flood management strategies to maintain ecological integrity and environmental stability, and prevent harmful impacts of future floods. The book is intended for students and researchers in earth and environmental sciences, especially geomorphology, hydrology, geography, geology, natural resources management, and regional planning.

Groundwater from different stations of Satkhira Municipality has been analyzed for assessing the chemistry, source rock evolution and quality. The parameter analyzed are pH, TDS, EC, Na+, K+, Ca2+, Mg2+, Cl-, HCO3-, SO42-, PO43-, H4SiO42-, F-, I- and NO2-N. The Na+/ (Na++Ca2+) weight ratio against TDS shows that the waters are derived from Rock weathering however few samples suggests dominance of Evaporation crystallization process. Source rock deduction suggests that the aquifer is mostly carbonate weathering where also cation exchange occurred; Piper diagram suggests that the northwestern aquifers are in temporary hard and fresh in nature; southeastern aquifers are mixed in character and has tendency to shift to permanently hard water and southern aquifers are influenced by saline water and moderately hard in nature. With reference to Bangladesh and WHO standard this research states that most ground water are qualified for drinking purposes; however management options to be formulated for further exploitation.