Challenges in groundwater resource management in coastal aquifers of East Africa: Investigations and lessons learnt in the Comoros Islands, Kenya and Tanzania

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dc.contributor.authorJean, C.C.
dc.contributor.authorCassidy, R.
dc.contributor.authorObando, Joy Apiyo
dc.contributor.authorRobins, N.
dc.contributor.authorIbrahim, K.
dc.contributor.authorMelchioly, S.
dc.contributor.authorMjemah, I.
dc.contributor.authorShauri, H.
dc.contributor.authorBourhane, A.
dc.contributor.authorMohamed, I.
dc.contributor.authorNoe, C.
dc.contributor.authorMwega, B.
dc.contributor.authorMakokha, M.
dc.contributor.authorJoin, J.
dc.contributor.authorBanton, O.
dc.contributor.authorDavies, J.
dc.date.accessioned2016-11-29T10:51:52Z
dc.date.available2016-11-29T10:51:52Z
dc.date.issued2016
dc.descriptionResearch articleen_US
dc.description.abstractStudy region: Coastal areas of Kenya (Kilifi County), Tanzania (Kilwa district) and Comoros(Ngazidja island), East Africa.Study focus: Research aimed to understand the physical and societal drivers of groundwa-ter accessibility and identify critical aspects of groundwater access and knowledge gapsthat require further monitoring and research. Interdisciplinary societal, environmental andhydrogeological investigations were consistently undertaken in the three areas consid-ered as exemplars of the diversity of the coastal fringes of the wider region. This paperfocuses on the hydrogeological outcomes of the research, framed within the principalsocio-environmental issues identified.New hydrological insights: Results confirm the fundamental importance of coastal ground-water resources for the development of the region and the urgent need to matchgroundwater development with demographic and economic growth. Hydrogeologicalknowledge is fragmented, groundwater lacks a long-term monitoring infrastructure andinformation transfer from stakeholders to users is limited. Current trends in demog-raphy, climate, sea-level and land-use are further threatening freshwater availability.Despite possessing high-productivity aquifers, water quality from wells and boreholes isgenerally impacted by saltwater intrusion. Shallow large-diameter wells, following the tra-ditional model of these areas, consistently prove to be less saline and more durable thandeeper small-diameter boreholes. However, promoting the use of large numbers of shallowen_US
dc.description.sponsorshipUK Natural Environment Research Council NERC, the Department for International Devel-opment DFID-UKAID, the Economic and Social Research Council ESRCen_US
dc.identifier.citationJournal of Hydrology: Regional Studies 5 (2016) 179–199en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/15194
dc.language.isoenen_US
dc.publisherElsevier B.V.en_US
dc.subjectGroundwateren_US
dc.subjectCoastal aquiferen_US
dc.subjectEastern Africaen_US
dc.subjectEnvironmental changeen_US
dc.subjectGovernanceen_US
dc.subjectCommunity engagementen_US
dc.titleChallenges in groundwater resource management in coastal aquifers of East Africa: Investigations and lessons learnt in the Comoros Islands, Kenya and Tanzaniaen_US
dc.typeArticleen_US
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