Saltwater intrusion in the quaternary aquifer of the Dar es Salaam region, Tanzania

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dc.contributor.authorMtoni, Yohana
dc.contributor.authorMjemah, Ibrahimu C.
dc.contributor.authorMsindai, Kristoko
dc.contributor.authorVan Camp, Marc
dc.contributor.authorWalraevens, Kristine
dc.date.accessioned2022-12-19T14:21:22Z
dc.date.available2022-12-19T14:21:22Z
dc.date.issued2012
dc.descriptionJournal Articleen_US
dc.description.abstractA description of the occurrence of the salt water intrusion from seawater close to the coastline of Dar es Salaam Region is presented. The present status of intrusion in two pilot areas located between Mlalakuwa and Msimbazi Rivers (locality I) and Msimbazi and Kizinga Rivers (locality II) is evaluated. The causes, effects, remedial measures and future possibility of intrusion are discussed. An investigation on the hydrodynamics of the phenomenon and analysis of the formations as well as the interfacial transition zone is currently being performed. Water samples from Mikocheni, Oysterbay, Msasani, Masaki and City Centre areas show elevated chloride, sulphate and sodium concentrations. Using Stuyfzand (1986) water classification method, about 60 percent of the samples are classified as fresh-brackish to salt and 30 percent as extremely hard. Groundwater was classified into several categories by subtype, i.e., Sodium-Chloride, Sodium-Bicarbonate, Calcium-Bicarbonate, Magnesium-Bicarbonate, Sodium-Mix and Calcium-Mix. The growing human population in and around the investigated areas has had an adverse impact on the water in the shallow aquifer through, among other factors, indiscriminate abstraction of water without knowledge of the aquifer’s capacity.en_US
dc.identifier.urihttp://www.suaire.sua.ac.tz/handle/123456789/4872
dc.language.isoenen_US
dc.publisherGEOLOGICA BELGICAen_US
dc.subjectCoastal aquiferen_US
dc.subjectgeochemical processesen_US
dc.subjectsalinizationen_US
dc.subjectDar es Salaamen_US
dc.subjectTanzaniaen_US
dc.subjectoverexploitationen_US
dc.titleSaltwater intrusion in the quaternary aquifer of the Dar es Salaam region, Tanzaniaen_US
dc.typeArticleen_US

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