Coastal flooding - Hurricane Katrina , New Orleans
- Created by: Revisiola
- Created on: 14-05-16 18:09
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- Coastal flooding- Hurricane Katrina , New Orleans(2005)
- Causes
- Physical
- Gulf of Mexico - vulnerable to hurricanes
- Built up energy and magnitude as it traveled down the gulf of Mexico
- CATEGORY 5
- 51% of New Orleans is on or below sea level
- Bowl shaped
- 10m storm surge
- The area is surrounded by water sources - Mississippi river , lakes and the sea
- Gulf of Mexico - vulnerable to hurricanes
- Human
- ineffective sea defences - levees breached in 3 places , designed for a category 3 hurricane
- urbanised coast
- impermeable surfaces
- soft soil - urbanisation made the land sink further
- Physical
- Consequences
- Socio-economic
- estimated damage : $81 billion
- 1,400 deaths
- 20,000 sought shelter in the football stadium
- oil production was interrupted which led to increased priced globally
- The region supported 1 million non-farming jobs with 600,000 of them in New Orleans
- Total economic impact on lousianna and mississippi may exceed $150 billion
- Physical
- 80% of New Orleans was flooded
- water was 6-12 miles inland
- 1.3 M acres of forest land was destroyed - $5 billion
- storm surges caused coastal erosion
- breeding land was lost
- Socio-economic
- Causes
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