Integrated Water Resources Management / Future-proof water management

Project - OPIDIN predicts flood height in Inner Niger Delta, Mali

Altenburg & Wymenga, together with Wetlands International, developed a prediction model of the height of the annual flood peak in the Inner Niger Delta in Mali. The forecast model is used by the Direction Nationale de l’Hydraulique du Mali for the water management of the river. The model is developed and implemented under the BAMGIRE program, led by Wetlands International and financed by the Dutch government.

The Inner Niger Delta, an area nearly the size of the Netherlands, is inundated from September onwards to about the end of January. The height of the flood and the extent of the inundations depend on the rainfall in the upper catchment, in the upper basin in southern Mali and in Guinea. On the basis of satellite derived rainfall data and the rising water levels rise at the monitoring stations in the delta, we can already foretell in August how high the flood will be during the peak in October or November. This is of great importance to the people in the delta, as their socio-economic activities – fishing, agriculture and livestock raising – depend on the flood. Recently, a new website is launched, on which rainfall and the flood can be followed: www.opidin.org

Example of the daily prediction of the height of the flood in the Inner Niger Delta in Mali in 2018 on the basis of the observed water level in Mopti (blue line) and the rainfall in the catchment area (www.opidin.org).

Publications

Here you find many of our reports, papers and other publications. Each of them can be downloaded.

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Lid Netherlands Water Partnership (www.nwp.nl)
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