Fig. 1: Wadi Derna watershed and rainfall data extraction points.
From: How extreme rainfall and failing dams unleashed the Derna flood disaster
The watershed is delineated based on digital elevation model (DEM) data, with colors representing elevation (high: 843 m, low: 4 m). The blue diamonds (1–6) mark rainfall data extraction points used for hydrologic analysis. The Bu Mansour and Al-Bilad Dams are shown in purple, while Derna City is marked with a red star. The unconstructed dam site is indicated with a dashed purple line.
