It's not rocket science - GIRONDE ESTUARY Repost

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C'est pas sorcier

Published on May 16, 2013
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The official channel of the France 3 show. C'est pas sorcier, the magazine of discovery and science. Signaled from the sea by the majestic Cordouan lighthouse and bordered, from one bank to the other, by limestone cliffs and famous vineyards, the Gironde estuary is the largest estuary in Europe. The Garonne and the Dordogne - which meet there before flowing into the Atlantic Ocean - discharge their waters laden with sediment, while with the rising tide, considerable quantities of sea water also rush into the estuary. Fred, Jamy and Sabine explain to us how, over time, the meeting of these fresh and salt waters has sculpted the landscape. How do the sandy coasts evolve under the action of sea currents and breaking waves? Why are the two banks of the estuary so different? How did the fragile islands of the Gironde archipelago appear? Lamprey, sea bass, meagre or sturgeon... Where do the fish that cross the Gironde come from?

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