A new strategy for managing beach erosion called the 'sand motor' is being implemented on coastlines around the world. Instead of repeatedly dumping sand on eroding beaches, engineers extend one section of the shoreline out into the sea at an angle, creating a sculpted landscape that works with nature.
The problem with beach nourishment is obvious. If you dump sand on an eroding beach, it’s only a matter of time before that new sand erodes. Then you have to do it all over again. Beach nourishment projects are supposed to last for around five years, but they often disappear faster than expected. Moreover, a big coastal storm can wipe them out in a single night. And the costs are staggering: Dragging in new sand requires leasing and operating huge diesel dredge boats.
Only the wealthiest areas can afford to do it year after year. Now, after decades of reliance on repeated beach nourishment, a new strategy for managing erosion is showing up on coastlines around the world. It’s called the “sand motor,” and it comes from the Netherlands, a low-lying nation with centuries of experience in coastal protection. A “sand motor” isn’t an actual motor—it’s a sculpted landscape that works with nature rather than against it. Instead of rebuilding a beach with an even line of new sand, engineers extend one section of the shoreline out into the sea at an angle
Beach Nourishment Erosion Sand Motor Coastal Protection Sculpted Landscape
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