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Which remedies were most effective in slowing down the erosion of a beach? What are the drawbacks of the remedies?

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Basically, place an artificial reef between the ocean waves and he beach. That can be done in a lot of different ways, and has been done all over the world. 1) place old derelict cars or ships in the ocean, outside the beach area, 2) sandbag the area away from the beach, in the ocean, 3) place rocks and engender coral growth in that area, 4) Venice has installed floating "pylons" that keep the rising Mediterrainean from flooding the city during high tide, 5) Holland has built "one way partition movable dams (not the real name) to halt influx of water. The coastline has been Holland has recovered the land, as most of the country is below sea level. In other words, stop the water in any innovative way you need to. Maybe for you, use 126 old cars to build a reef that will eventually become fish homes and waterbreaks for ocean swells. Study others, learn their positives and negatives. You just have to do it.

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Pilons, but they're ugly! The best is artificial reefs, off shore, to break up the waves, but very expensive

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1. Berms or sand dredging.
2. Up current structures like groins.
3. Breakwaters
See here: http://whyfiles.org/091beach/4.html

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Down here they just back hoe in sand to replace the lost sand. They also dump it from barges. Natural reefs are good. They are usually old ships that they skuttle and let the fish and coral take over

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