Fig. 1: The Congo Basin and its sub-basins.
From: Current availability and distribution of Congo Basin’s freshwater resources

The Congo Basin and its sub-basins: Kasaï, Middle-Congo, Ubangui, Sangha, Lualaba-North, Lualaba-South and Lualaba-Lukuga covering a total area of 3.7 × 106 km2. Red dots represent the discharge gauging stations and yellow dots show the location of selected satellite altimetric virtual stations. Wetlands as identified by73 are shown in light blue color and lakes are depicted in dark blue color. Five wetlands around lakes Mai-Ndombe, Bangwelu, Mweru, Mweru Wantipa, and Upemba are considered for quantifying water storage in wetlands.