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Yeah, although if the water seeps underneath the first levee (and thus the concrete floor), one can foresee the whole thing just floating. |
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What flooded much of New Orleans was not that any levee on a huge body of water (i.e. the lake or the river) broke, but rather that canal levees broke and there was no way to stop the flow of water into the canal. If environmentalists had not blocked the construction of floodgates between Lake Ponchatrain and the canal, then only the canal water would have been available to flow into the city. Since the canal has fairly limited surface area, this would probably have resulted in maximum flood depths of a foot or two. |
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Ah yes, the whole thing was the environmentalists' fault...Whatever happened to locks? |
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//Whatever happened to locks// |
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Locks are double-gate arrangements used when it is necessary to move boats or barges between different elevations. If the two sides of a gate will always be at the same depth <i>when there is a need to move a boat or barge through it</i> there is no need for a lock. |
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Ah. I guess storm surges don't count. |
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//Ah. I guess storm surges don't count.// |
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The best way for dealing with storm surges is to use floodgates. |
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