Fig. 2: River widening caused by new dams (Type-R).
From: Satellites reveal hotspots of global river extent change
a The ratio of expanded water extent (areas of significantly increased inundation frequency) to the basin-wide total river area reveals dam-related river widening across specific regions of the world. The bottom insets (from left to right) are four typical giant dams of the world, the Serra de Mesa Dam (Brazil), the Alqueva Dam (Portugal), the Upper Atbara and Setit Dams Complex (Sudan), and the Three Gorges Dam (China). b Statistics of the total expanded river area due to new dams in counties/regions. c Comparison of the increased river area due to dam construction with other types of expansions (Type-H) in each continent.
