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Prague city centre<br />
is protected against<br />
floods by combination<br />
of fixed and mobile<br />
barriers<br />
The Climate<br />
Challenge<br />
Prague, the capital city<br />
of the Czech Republic, is<br />
located in a temperate climate<br />
zone. Vltava River, the<br />
longest in the country, flows<br />
through its historic centre.<br />
In 2002 Prague experienced<br />
severe 500-year flooding<br />
with total damages of CZK<br />
24 billion (Eur 1 billion).<br />
This event was recognised<br />
as one of the most expensive<br />
weather-related disasters<br />
in the city’s history.<br />
Future climate scenarios<br />
furthermore predict an<br />
increase in the number and<br />
intensity of extreme events<br />
such as flooding. Wetter<br />
winters, dryer summers with<br />
more precipitation extremes<br />
and weather fluctuations in<br />
general are also expected.<br />
The Adaptation<br />
Response<br />
A flood protection system in<br />
Prague had been developed<br />
for decades, but after the<br />
500-year flood in 2002, implementation<br />
of flood control<br />
measures by the Prague<br />
municipality substantially<br />
sped up. Moreover, the original<br />
plans were upgraded to<br />
increase resilience against<br />
extreme flood events, to<br />
protect most parts of Prague<br />
from floods with a 1 to 500<br />
years return period.<br />
The flood control measures<br />
implemented include fixed<br />
barriers (levees, dikes), mobile<br />
barriers and additional<br />
measures such as closures<br />
and pumping systems in the<br />
canalisation. The total length<br />
of flood protection measures<br />
(fixed barriers, solid concrete<br />
walls and mobile barriers)<br />
after the completion of<br />
all stages is app. 19,255 km,<br />
of which mobile measures<br />
are 6,925 km.<br />
116 Coastal Zones/Human Settlements & Infrastructure