Giovedì, 18 Ottobre 2018
VENICE

Venice underwater amid seasonal 'high water'

English
© ANSA

(ANSA) - Venice, September 19 - Tourists were confined to
using elevated walkways when water flooded St Mark's Square in
Venice Wednesday, with seasonal high tides rising 82 centimeters
above sea level in the lagoon city.
Known as 'acqua alta', or high water, the flooding has hit
Venice for the past five days but is expected to subside for the
next week, authorities said.
Autumn marks the beginning of the high-tide season, when
water routinely spills over the city's banks, flooding its
streets and squares.
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.
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.
Scientists have conceived various ways of warding off
the waters since a catastrophic flood in 1966 and a system of
moveable flood barriers called MOSE is near completion after
years of polemics.

© Riproduzione riservata

* Campi obbligatori

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