29 August
2005
Causes:
Very lowlying
land, 51% of new Orleans is at or below sea level
Average
elevation of the city is 0.5m below sea level, some 3m
Most hurricane
prone areas in the world
Category 4/5 and winds of over 100km/hour
Storm surge
of 10m followed
Levees and
flood walls failed – loss of natural wetland
Effects:
Parts of new
Orleans under 6m of water
1800 died
Property
damage between $60 billion & $125 billion
After the
flood:
Multibillion
$ plan to depopulate areas of coastline along the Gulf of Mexico
Re-establish
a natural barrier – managed retreat
Army of
Corps Engineers want to re-establish wetlands
$40 billion
to buy out 17,000 houses in the Mississippi coastal region – bay St Louis
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