"Bullard, Claude L (Len)" scripsit:
> [S]ome may
> want to consider if it will be better overall
> to put up a breakwater before the beaches
> erode into unusable rock ledges.
A great analogy, brother; but it is precisely the creation of breakwaters
(and jetties and seawalls and other such things) that cause natural
beaches to erode. The beaches are moving, as Pilkey's book says, and
efforts to stop them are in general quite literally counterproductive.
Here's a high-quality but accessible page on the subject:
http://www.virginiaplaces.org/barrier.html
--
John Cowan <> http://www.reutershealth.com
I amar prestar aen, han mathon ne nen, http://www.ccil.org/~cowan
han mathon ne chae, a han noston ne 'wilith. --Galadriel, _LOTR:FOTR_
