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Venice Offers Lessons on Coping with Rising Seas

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Author Topic: Venice Offers Lessons on Coping with Rising Seas  (Read 1502 times)
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Posts: 41646

« on: January 08, 2008, 07:17:41 am »

What is the MOSE and how does it work?

The Mose System is a project for the safeguard Venice from high waters and consists of mobile barriers able to temporarily separate the lagoon from the sea.  It is being constructed at the lagoon inlets of Lido, Malamocco and Chioggia, the three openings in the barrier island through which tides propagate in the lagoon.

The mobile barriers consist of rows of gates.  In normal tidal conditions, the gates (a type of pontoon) rest in caissons on the bed in the inlets, completely invisible and without modifying exchanges between sea and lagoon. During high waters, they are raised and prevent the tide from entering.  At present, the tidal level at which the gates will be raised has been set at 110 cm, the level to which Venice has been protected by raising quaysides and paving.  This means that the gates would be activated an average of 3/5 times per year for a period of 4/5 hours each time.  However, the level at which the gates are raised can be changed whenever necessary. When the gates are in operation, the continuity of port operations will be guaranteed by a lock for large shipping being constructed at the Malamocco inlet. 
« Last Edit: January 08, 2008, 07:18:55 am by Bianca » Report Spam   Logged

Your mind understands what you have been taught; your heart what is true.

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