Potential water supply of the Mnyabezi catchment : a case study of a small reservoir and alluvial aquifer system in the arid region of southern Zimbabwe

Hamer, Wouter, de (2007) Potential water supply of the Mnyabezi catchment : a case study of a small reservoir and alluvial aquifer system in the arid region of southern Zimbabwe.

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Abstract:In the arid regions of southern Zimbabwe, dam reservoirs normally meet the domestic and agricultural water requirements of smallholder farmers in dry periods. Groundwater use by accessing alluvial aquifers of non-perennial rivers can be an important extra water resource. However, the storage capacity of alluvial aquifers is not used very intensively in southern Zimbabwe at this moment. The research objective is to calculate the potential water supply for the upper-Mnyabezi catchment in the arid region of southern Zimbabwe under current conditions and after implementation of two storage capacity measures. These measures are heightening the spillway of the Mnyabezi dam and constructing a sand storage dam in the alluvial aquifer of the Mnyabezi River. The upper-Mnyabezi catchment covers 22 km2 and is a tributary of the Thuli River in southern Zimbabwe.
Item Type:Essay (Master)
Clients:
Waternet
Faculty:ET: Engineering Technology
Subject:56 civil engineering
Programme:Civil Engineering and Management MSc (60026)
Link to this item:http://purl.utwente.nl/essays/522
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