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New Orleans’ Rebuilt Levees “Riddled With Flaws”新的新奥尔良重建堤防“千疮百孔的漏洞”

During a recent inspection of the levee system with在最近一次检查堤防系统 National Geographic magazine 国家地理杂志 , engineering professor Bob Bea of the University of California, Berkeley, found multiple weak spots. ，工学教授鲍勃的BEA的加州大学伯克利分校，发现多个薄弱点。

(See an （见1 interactive map of the weak spots互动地图的薄弱点 ). ） 。

The most serious flaws turned up in the rebuilt levees along the Mississippi River Gulf Outlet ship channel.最严重的缺陷出现在重建堤防沿密西西比河海湾出口船舶的渠道。

The channel’s levees had failed in more than 20 places when Katrina’s storm surge pounded them, leading to devastating flooding in the该频道的堤防未能在20多个地方，当飓风的风暴潮袭击，导致毁灭性的洪水，在 Louisiana路易斯安那州 city’s Lower Ninth Ward and in St. Bernard Parish, which borders the city to the southeast.城市的低第九病房和在圣伯纳德教区，其中边境城市到东南。

Bea found several areas where rainstorms have already eroded the newly rebuilt levees, particularly where they consist of a core of sandy and muddy soils topped with a cap of Mississippi clay.东亚银行发现几个地区的暴雨已经侵蚀了新改建堤防，尤其是当他们组成一个核心的沙质和泥质土壤与突破上限，密西西比粘土。

“It’s like icing on the top of angel food cake,” Bea said. “它就像结冰对上方的天使食物蛋糕， ” BEA的说。 “These levees will not be here if you put a Katrina surge against them.” “这些堤防将不会在这里如果你把一卡特里娜风对他们的” 。

(Watch （观赏 aerial video of “angel food cake” levees空中的录像， “天使食物蛋糕”堤防 .) ） 。

Tags:标签： New Orleans 新的新奥尔良 , ， levees failing 堤防不 , ， disaster in the making 灾害，在决策

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