Determining sources of groundwater salinity in the multi-layered aquifer system of the bengal delta, Bangladesh
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Abstract
The study area lies on the coastal belt of the Bengal Delta, southern Bangladesh. This study bas been condocted to deteonine salinity sources in the multi-layered aquifers of the Bengal Delta. Dissolved major ions including chloride (Cr) and brontide (Br) were measured in groundwater of the coastal areas of Bangladesh to assess the source(s) of salinity. Ionic concentrations of 48 groundwater samples were analyzed for this study; samples were collected from observation wells installed at different depths down to 336 m. The major ion trends of the upper (<200 m deep) Sodium (Na')-Chloride (Cr) groundwater type is defined as Na+> Calcium (Ca2l> Magnesium (Mg'"')> Potassium (K"') and Cl>…
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4Topics & keywords
Topics
Keywords
- Aquifer
- Groundwater
- Delta
- BENGAL
- Salinity
- Hydrology (agriculture)
- Geology
- Water resource management
UN Sustainable Development Goals
- Clean water and sanitation
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