Surfing a Wave for 12 km
Posted on March 13, 2007 Comments (2)
via: Pororoca: Surfing the Amazon
Twice a year, between the months of February and March, the Atlantic Ocean waters roll up the Amazon river, in Brazil, generating the longest wave on the Earth. The phenomenon, known as the Pororoca, is caused by the tides of the Atlantic Ocean which meet the mouth of the river. This tidal bore generates waves up to 12 feet high which can last for over half an hour.
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June 30th, 2007 @ 3:47 pm
“Each submerged turbines range from 750 to 1500kW per unit (depending on the local flow pattern and peak velocity). And they expect to deploy 10-20 at a time…”
March 13th, 2008 @ 11:45 am
The goal of the high-flow experiment, the third since 1996, is to see if such high flows can help reconstruct some of the canyon’s beaches and sand bars…