Case study of international flooding central European floods June 2013

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Earth hazards revision
Case study of international flooding central European floods June 2013
Background facts
Caused 25 deaths
Resulted in $22bn worth of damage
7 countries effected
Causes
7th wettest spring in 150 years so ground was saturated
1ft rain fell in 2 days
Jet stream trapped depression in same area for 5 days causing sustained
heavy rainfall so rain wasn't evenly distributed as it fell in a highly
concentrated area so levels of damage were greater than if it had been
more evenly distributed
Rainfall fell over the Alps so orographic rainfall led to higher intensities of
rainfall
Urbanisation and high population density means that the levels of damage
will be greater as if there are more people in an area there is a higher
likelihood of damage.
Responses
Short term
State of emergency declared
Volunteers reinforce riverbanks
Residents protect their homes with sandbags
Thousands evacuated
80,000 officials on duty
German families airlifted to safety after 2 levees break
Metal barriers built up to protect historic centre of Prague
Long term
350 flood prevention projects planned although only 80 completed as there
is a reluctance to spend money on flood defences
Green measures- afforestation to reduce surface run off through increasing
the amount of interception of rainfall, allow river to naturally widen to a
point.
Grey measures- levees, channel straightening
Soft measures- flood warning, educating people on how to prepare for a
flood

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