Brination of Coastal Aquifers: Prospective Impacts and Future fit-for-use Remedial Strategies in Tanzania
- Author Hossein Miraji
- Country : Tanzania
- Subject : Chemistry
Over centuries, coastal societies have merely depended on the groundwater as their main source of portable water supply, while other sources remained uncertain. Intensive exploitation of coastal groundwater than its restoration capacity reverses groundwater-seawater hydraulic head that resulted to brine intrusion in the coastal aquifers. The applications of electrical resistivity, chloride ion concentration and taste techniques have proved brine contamination in the coastal aquifers. In 2012 an extended intrusion up to 1 km from the coast of Dar es Salaam city was reported. Also fresh ground waters from some deep wells in the city were reported to be salty after operating for a long time. Yet, long-term impacts of groundwater brination and sustainable restoration tactics are indistinct meanwhile the problem intensifies. Therefore this article intends to investigate the extent of brination on the coastal zones of Tanzania, address potential impacts as well as investigation of fit-for-use future remedial strategies.
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