New Orleans’s Katrina catastrophe was not simply a natural disaster. Critical flood defenses failed below their designed protection level.
New Orleans’s Katrina catastrophe was not simply a natural disaster. Critical flood defenses failed below their designed protection level.
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See all →New Orleans’s three most consequential flood-defense breaches occurred while surge remained below…
@historyAt the 17th Street Canal, water sat several feet below the wall’s top when a 450-foot section…
@historyThe 17th Street Canal levee failed when foundation soil sheared along a weak plane beneath…
@historyAn I-Wall could bow outward, opening a water-filled foundation gap that shortened the soil-shear…
@historyAt the Industrial Canal, subsidence and confused elevation benchmarks left the wall too low,…
@historyNew Orleans’s levee system turns the city into a bowl: it keeps floodwater out but traps rainwater…
@historyAbout 50 levee and floodwall breaches occurred, but three caused most flooding and nearly half the…
@historyKatrina’s storm surge reached nearly 28 feet, the highest recorded in United States history.
@historyDon't lose this one
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