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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)
Bianca
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« on: January 08, 2008, 07:16:38 am »








                                         MOSE system for the safeguard of Venice: how it works





The problem. High waters



Since the beginning of the 1900s, high waters have becoming ever more frequent as the level of the land has dropped with respect to the sea.  Flooding causes inconvenience for inhabitants and damage to architecture and buildings. There is also an ever present risk of a catastrophic event such as the 4 November 1966 flood when Venice, Chioggia and other built up areas in the lagoon were completely submerged under more than a metre of water.

 Some figures:

a) High waters above 140 cm recorded in Venice since 1966

4 November 1966: 194 cms
3 November 1968: 144
14 February 1979: 140
22 December 1979: 166
1 February 1986: 159
8 December 1992: 142
6 November 2000: 144
16 November 2002: 147

b) Increase in the frequency of high waters in Venice from 1926 to 2005 (number of events equal to or higher than 110 cm per decade)

years:                         no. events
1926 - 1935:  7 events
1936 - 1945: 3
1946 - 1955: 11
1956 - 1965: 22
1966 - 1975: 31
1976 - 1985: 39
1986 - 1995: 23
1996 - 2005: 53
« Last Edit: July 12, 2008, 05:25:40 pm by Bianca » Report Spam   Logged

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


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