Figure 1: Study region showing the Congo basin. The Congo river and its numerous tributaries (i.e., blue lines on the left) are also indicated. (a) The aerial averaged monthly rainfall (mm), (b) topographic map of the Congo basin adapted from https://commons.wikimedia.org/wiki/File:Congo_Kinshasa_Topography.png, and (c) the location of the Congo basin in Africa. The blue lines and polygons in (b) are the river networks and water bodies in the Congo basin.