Tag: flood

Danger Pent Up Behind Aging Dams

(February 21, 2011) Aging dams have become a growing problem in the United States, and a potential threat to downstream populations. Besides the perils of elderly infrastructure, putting off repairs due to belt-tightening in a time of recession can aggravate lurking dangers from internal erosion, over-topping, and earthquakes.

Flood closes down Yangtze Three Gorges ship lock

(July 30, 2007) The Yangtze River Three Gorges Navigational Bureau halted two-way traffic at the Three Gorges ship lock earlier this month as water influx into the dam measured an alarming 51,000 cubic meters per second, a result of continuous rainfall in the upper reaches. The lock, 6.4 km long and costing RMB ¥6.2 billion (USD $810 million), was built into the mountainous terrain on the northern bank of the Yangtze and has been the only navigable route past the dam since 2003.