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Macleans.ca

Canada’s magazine

It’s not necessarily “just overtopping”

A quick note on what’s happening in New Orleans, which looks like it could be fairly harmless — except for the way those floodwaters are overtopping the Industrial Canal levee near the Lower Ninth Ward. Here’s a picture from Tulane University geologist Stephen Nelson, who gave me a tour of Katrina flood damage in 2006: