Identification and delineation of groundwater-dependent ecosystems (GDEs) in the Khakea–Bray transboundaryaquifer region using geospatial techniques

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dc.contributor.authorRampheri, Mangana B.
dc.contributor.authorDube, Timothy
dc.contributor.authorDondofema, Farai
dc.date.accessioned2023-02-21T10:36:28Z
dc.date.available2023-02-21T10:36:28Z
dc.date.issued2023
dc.description.abstractIdentifying and delineating groundwater-dependent ecosystems(GDEs) is critical in understanding their location, distribution andgroundwater allocation. However, this information is inadequatelyunderstood due to limited available data for most areas where theyoccur. Thus, this study aims to address this gap using remotelysensed, analytical hierarchy process (AHP) andin situdata to identifyand delineate GDEs in the Khakea–Bray transboundary aquifer region.The study tested various spatial-explicit GDE indices that integratesenvironmental factors that predict occurrence of GDEs. These includethe normalized difference vegetation index as a proxy for vegetationproductivity and modified normalized difference water index asproxy for moisture availability, land-use and landcover, topographicalfactors such as slope, topographic wetness index,flow accumulationand curvature.en_US
dc.identifier.citationRampheri, M. B. et al. (2023). Identification and delineation of groundwater-dependentecosystems (GDEs) in the Khakea–Bray transboundaryaquifer region using geospatial techniques. Geocarto International, 38(1), 2172217. https://doi.org/10.1080/10106049.2023.2172217en_US
dc.identifier.issn1752-0762
dc.identifier.urihttps://doi.org/10.1080/10106049.2023.2172217
dc.identifier.urihttp://hdl.handle.net/10566/8457
dc.language.isoenen_US
dc.publisherTaylor and Francis Groupen_US
dc.subjectGroundwater sustainabilityen_US
dc.subjectEcosystemsen_US
dc.subjectClimate changeen_US
dc.subjectKhakea–Braytransboundary aquiferen_US
dc.titleIdentification and delineation of groundwater-dependent ecosystems (GDEs) in the Khakea–Bray transboundaryaquifer region using geospatial techniquesen_US
dc.typeArticleen_US

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