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Gieske, A. 1996. Vegetation driven groundwater recharge below Okavango Delta, Botswana as a solute sink mechanism - an indicative model. Boswana Journal of Earth Science, 3: 33-37


Description:

Vegetation driven groundwater recharge below Okavango Delta, Botswana as a solute sink mechanism.

Summary / Notes:

The mean inflow, both surface water and rain, into the Okavango Delta (Botswana) is about 16 billion m? per year. Approximately 96% of this returns to the atmosphere by evapotranspiration, only 2% leaving the delta surface by outflow through the Thamalakane and Boteti Rivers. The remaining 2% is thought to infiltrate into the ground water below the delta. The solute content of the surface outflow, however, is lower than expected from water mass balance. The delta therefore acts as a solute trap under present climatic conditions.

Year: 1996

Type: Journal Article

Origin: Bibliography compiled for Okavango River: The flow of a lifeline.

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Gieske, A. Influence of shallow groundwater levels on outflow from the Okavango Delta, Botswana. University of Botswana, Geology Department, Gaborone, Botswana
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