Tidal Bore Phenomenon: The Pororoca

Is it a tsunami? No. It’s a tidal bore.

In fact the tidal bore phenomenon occurs in 30 places worldwide.

Famous ones include the Hangchow (or Hangzhou) bore on the Qiantang river, the Amazon bore called pororoca, the Hoogly (or Hooghly) bore on the Ganges, or the bore at Batang Lupar (great pics).  Smaller tidal bores occur on the Severn river near Gloucester, England, or on the Garonne and Dordogne rivers, France.

Tidal bore (English) = Mascaret (French) = Pororoca (Portuguese, Brazil).

The Pororoca is born of the conflict between the great Amazon River and the unalterable surge of the Atlantic Ocean itself.  Waves up to 4 meters high travel as much as 13 kilometers inland upstream. In the local tongue the name means “great destructive noise”.
Nature at it’s best!


The wave has become popular with surfers from all around the world.

Articles:

In this 26-minute-long film, a group of professional surfers
take their boards for a ride on the Pororoca:



More pororoca surfing clips can be found  here.  Enjoy!

[original article at Ursi’s Blog]

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