BrooklynRider
May 12th, 2009, 12:25 AM
I found this bit of info from this month's New york Magazine quite interesting...
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New Main Stream
The Hudson’s main current has, for all of recorded history, clung to lower Manhattan’s edge, skimming along the West Side. Battery Park City, built in the seventies, juts out into that flow, and since then, the current has been cutting a new channel, out toward the center of the river. That current is scraping mud off the top of the Lincoln Tunnel where it never did before; the underwater traffic tubes have lost 25 percent of their soil coverage in some spots. If the tubes ever became exposed, they would be at risk for shifting, cracking, and terrorist threats. The Port Authority is studying solutions.
http://nymag.com/news/features/56609/
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New Main Stream
The Hudson’s main current has, for all of recorded history, clung to lower Manhattan’s edge, skimming along the West Side. Battery Park City, built in the seventies, juts out into that flow, and since then, the current has been cutting a new channel, out toward the center of the river. That current is scraping mud off the top of the Lincoln Tunnel where it never did before; the underwater traffic tubes have lost 25 percent of their soil coverage in some spots. If the tubes ever became exposed, they would be at risk for shifting, cracking, and terrorist threats. The Port Authority is studying solutions.
http://nymag.com/news/features/56609/