Relating land use and land cover to surface water quality in the Densu River basin, Ghana

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dc.contributor.authorAttua, E.M.
dc.contributor.authorAyamga, J.
dc.contributor.authorPabi, O.
dc.date.accessioned2018-11-01T11:34:36Z
dc.date.available2018-11-01T11:34:36Z
dc.date.issued2014-02
dc.description.abstractThe Densu River basin is one of Ghana's most reliable freshwater sources, though greatly stressed through pervasive land-use activities. This warrants that water quality variability be understood in relation to land use and land cover (LULC) processes in the basin. In this paper, water quality variables and LULC attributes were evaluated using multivariate techniques such as Pearson's correlation and linear regression to decipher the relationship between them. The study found water quality variability to be influenced by both seasonality and geographical location. While water quality variables such as pH, turbidity, DO, total suspended solids, Ca2+, K+ and [Inline formula]-N relatively were increasing during the rains, T, electrical conductivity, TDS, Cl− and [Inline formula]-P were conversely higher in the dry season. Consistent with other studies, spatial differences observed for water quality variables probably reflect local variability in land use, geology, lithology and soil properties across the basin. Adequately vegetated sub-basins experienced minimal load of nutrients compared with other land cover types. Temperature, pH, turbidity, dissolved oxygen, phosphate-phosphorus and nitrate-nitrogen in surface water could be estimated from multiple regression analyses, using land cover information. We recommend that riparian vegetation of the basin is conserved while urban effluent discharges into running water are minimized, under an integrated water management programme.en_US
dc.identifier.issn15715124
dc.identifier.otherDOI: 10.1080/15715124.2014.880711
dc.identifier.urihttp://ugspace.ug.edu.gh/handle/123456789/25109
dc.language.isoenen_US
dc.publisherInternational Journal of River Basin Managementen_US
dc.subjectDensu River basin,en_US
dc.subjectGhanaen_US
dc.subjectLand use and land coveren_US
dc.subjectPhysico-chemicalsen_US
dc.subjectRegression analysisen_US
dc.subjectWater qualityen_US
dc.titleRelating land use and land cover to surface water quality in the Densu River basin, Ghanaen_US
dc.typeArticleen_US

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