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What systems are in place to keep a city such as New Orleans from flooding?

levees


What did the government promise new orleans by putting up the levees?

The government did promise New Orleans that they will have a pumping system to protect the city.


Why man-made structures help protect new Orleans from floods?

levees


Who was a survior of hurricane Katrina?

I am! I live in Gulfport, MS. The direct hit was in Gulfport, not New Orleans. New Orleans just happen to have poor quality levees.


Are the levees in New Orleans natural?

No, the levees are man-made embankments, built in the hope of preventing the Mississippi River from flooding the surrounding area.


How much did New Orleans flood?

Various levees around the city burst under pressure of the water. Causing some parts of New Orleans to flood.


Why was hurricane Katrina so disructive in new Orleans?

Because the city is under sea level and the levees did not help.


Why is New Orleans weak to hurricanes?

New Orleans is basically weak to hurricanes because the city is below sea level and rely on 140 miles of levees that failed during hurricane Katrina.


What percent of new Orleans was flooded during hurricane Katrina as a result of storm surges and failed levees?

Hurricane Katrina dealt the city of New Orleans one of its hardest blows ever. By the time Katrina moved on 80 percent of the city was flooded.


Where are some levies in the US?

A levee is a wall which regulates water levels. The name originated in New Orleans in the 1700's. Levees can be man made or naturally occurring incidents. There are approximatly 100,000 levees in America, and some can be found in every single state.


What were the artificial embankments built along a river to control flooding?

The embankments are called levees. When the levees around New Orleans failed during and after Hurricane Katrina it led to catastrophic flooding. Note that money had been allocated for work on the levees prior to that but it was decided to use it to improve the roads on top of the levees which, technically, was an "improvement" but one wonders how it would have all played out if it had instead been used to improve the strength of those those levees prior to Katrina.


What major landforms define and restrict New Orleans?

The Mississippi River is the major defining point of New Orleans. The geography of New Orleans is all dependent on the river. The East Bank of New Orleans is actually to the West, but it's called the East Bank because it's East of the river. I know that this is confusing, but that's just how the city was broken up. The reason that New Orleans is sinking is that the river has been essentially blocked by the levees. While the levees are supposed to protect New Orleans, they have actually done more damage. Without the overflow of silt from the river, the wetlands have shrunk. These barriers no longer flow way out into the Gulf of Mexico. The wetlands would extend out and, since a hurricane would be moving onto land, it would decrease the intensity of a storm. Without these "barrier islands", hurricanes come on shore with their strength intact, increasing the chances of a deadly storm. Without the levees, the Mississippi River would have probably long ago merged with the Atchafalaya River, making New Orleans no longer a port city.