Mercoledì, 17 Ottobre 2018

First floodgate installed around Venice


Venice, June 14 - The first floodgate was installed
Friday in the controversial water barrier under construction in
the Venice lagoon.
It was lowered in the Lido-Treporti waterway where the
lagoon meets the Adriatic sea, which during high tide is prone
to flooding the city.
Conceived in 1984, the 5.7-billion-euro MOSE project is a
series of retractable dykes in the straits around Venice.
The deadline for implementing the gates is 2016, but the
work is already reaching its endpoint, according to the Venice
water authority
The MOSE project, which in Italian is a play on the name
for Moses, has been contested since its inception, both because
environmentalists say it will interrupt the natural ecosystem
and because some experts believe it will fall short of
protecting the city.
Italian heritage and conservation body Italia Nostra says
MOSE will ultimately be "incapable" of halting dangerously high
water and will have to be demolished soon after it is complete.
Floods reached chest-high levels several times this fall
and winter, flooding stores and ground-floor apartments.
The causes are both natural and man-made.
Decades of pumping groundwater caused significant damage to
the delicate foundation before the practice was called off.
Weather experts say the high-water threat has been
increasing in recent years as heavier rains have hit northern
Italy, probably due to climate change.
Other possible explanations for the phenomenon include the
sea floor rising as a result of incoming silt and gas extraction
in the sea off Venice undermining the islands.
According to a recent study, plate tectonics are also to
blame as the Adriatic plate is sliding beneath the Apennine
Mountains, causing the area to drop in elevation.

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