Zambezi the overflow of the Zambezi in the rainy season. The delta of the Zambezi is today about half as broad as it was before the construction of the Kariba and Cahora Bassa dams controlled the seasonal variations in the flow rate of the river. Before the dams were built seasonal flooding of the Zambezi had quite a different impact on the ecosystems of the delta from today as it brought nutritious fresh water down to the Indian Ocean coastal wetlands. The lower Zambezi experienced a small flood surge early in the dry season as rain in the Gwembe catchment and
Zambezi River Authority Zambezi River Authority The Zambezi River Authority (ZRA) is a corporation jointly and equally owned by the governments of Zambia and Zimbabwe. It is a governed by a four-person council consisting of the Ministers of Energy and Finance of each country. Its primary function is to operate and maintain the Kariba Dam on the Zambezi River. The ZRA was established in 1987 as a successor to the Central African Power Corporation, which had formerly managed power generation and transmission from the Kariba Dam. The Zambezi originates in northwestern Zambia, and runs west and then southwest through Angola before reentering Zambia.