Drainage basins of Nigeria

November 09, 2021

Nigeria is drained by two main rivers – Rivers Niger and Benue. Rivers Niger, the largest river in Nigeria has its source from Guinea highlands in Guinea. It passes through Mali and Niger Republic to Nigeria. Rivers Benue has its source from eastern highlands and joins the Niger at Lokoja. There are 8 major basins in Nigeria namely; the Benue, Delta and Cross Rivers, the Imo-Anambra, Hadejia-Chad, Sokoto-Rima, Niger, Owena and Ogun, and Osun Basins. The river networks and basins we're extracted from SRTM DEM of 90m resolution. The river networks on the map were symbolized according to their basins.

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QGIS

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GRASS GIS

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