The Wadi Derna is a river valley in Libya which leads down from the Jebel Akhdar mountains to the port city of Derna. Like many other wadis in North Africa, it is an intermittent riverbed that for much of its length contains water only when heavy rain occurs. [1] It is 75 kilometres (47 mi) long [2] and drains a drainage basin of 575 km 2.

2023年9月14日 · The Wadi Derna river runs from Libya's inland mountains, through the city of Derna and into the Mediterranean. It is dry for much of the year, but the unusually heavy rain overwhelmed two...

2023年9月13日 · As the devastation caused by the catastrophic flooding in the port city of Derna in Libya becomes clear, the media has focused on the damage to the urban area and the appalling stories of loss.

The destruction came to Derna and other parts of eastern Libya on Sunday night, Sept. 10, 2023. As the storm pounded the coast, Derna residents said they heard loud explosions and realized that dams outside the city had collapsed. Flash floods were unleashed down Wadi Derna, a river running from the mountains through the city and into the sea.

The collapse of the Derna Dam and the Abu Mansour Dam released an estimated 30 million cubic meters (39 million cubic yards) of water, [6] [7] causing flooding downstream as the Wadi Derna overflowed its banks. [8] [9] The floods partially destroyed the city of Derna. The official death toll was 5,923, [1] but as many as 24,000 people may have ...

2023年9月15日 · The dams along the Wadi Derna river valley collapsed amid Storm Daniel, a Mediterranean cyclone that dropped up to 16 inches of rain over parts of the North African country in a single 24-hour ...

The Wadi Derna dams were two dams upstream of the city along the homonymous river valley and located at distances of one and twelve kilometers away from Derna. As for their capacities, it has been reported that the upper dam was able to store 1.5 million cubic meters of water and had a height of 45 meters, while the lower one was 75 meters high ...

2023年9月14日 · Satellite images show the scale of destruction in the Libyan port of Derna after floodwaters swept away bridges, streets and communities - leaving thousands of people missing or dead. Heavy rains...

2023年9月16日 · The water unleashed by the Wadi Derna dam, a second and final barrier to one higher upstream, killed 27 members of the family. Tree trunks and large twisted roots jut out the skeletal school ...

2023年9月13日 · Swollen with unheard-of rainfall dragged across the Mediterranean by Storm Daniel, the river crashed through the coastal city of Derna in Libya ’s east, killing thousands of people and leaving...