Title: Groundwater recharge and flow in a small mountain catchment in northern Ethiopia
Authors: Walraevens, Kristine ×
Vandecasteele, Ine
Martens, Kristine
Nyssen, Jan
Moeyersons, Jan
Gebreyohannes, Tesfamichael
De Smedt, Florimond
Poesen, Jean
Deckers, Jozef A.
Van Camp, Marc #
Issue Date: Aug-2009
Publisher: Published for the International Association of Hydrological Sciences by Blackwell Scientific Publications
Series Title: Hydrological sciences journal vol:54 issue:4 pages:739-753
Abstract: The hydrodynamic behaviour of a sloped phreatic aquifer in the Tigray Highlands in northern Ethiopia is described. The aquifer is situated in the soils of a plateau on top of a basalt sequence and lies on steep slopes; the latter lead to hydraulic gradients that can cause high discharge fluxes. Distinct wet and dry seasons characterize the climate of the Tigray Highlands and recharge is absent during the dry season. Because of the fertile vertisols that have developed, the plateau is heavily cultivated and thus has great local economic, and hence social, importance. Water for land irrigation is almost exclusively delivered by rainfall, which is largely restricted to the period June–September. During the dry season, the water table drops dramatically and the aquifer drains nearly completely, under the strong gravity-driven, sustained discharges. This study strives to give insights into recharge and discharge mechanisms of the aquifer, in order to improve the effectiveness of the implemented water conservation measures.
ISSN: 0262-6667
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Geography & Tourism
Division Soil and Water Management
× corresponding author
# (joint) last author

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