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WHAT IS BEACH EROSION?

      https://doi.org/10.1142/9789814277136_0001Cited by:0 (Source: Crossref)
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      Abstract:

      Beach erosion is a phenomenon in which land is worn away and disappears due to wave action. Generally, coasts exposed to open ocean are separated into sandy beaches and rocky coasts. The eroding velocity of the rocky coast with its large compressive strength is extremely small compared with that of the sandy beach. From an engineering point of view, erosion of the rocky coast may be neglected, except when unconsolidated strata of the sea cliffs are eroded. On the other hand, one of the characteristics of the sandy beach is that rapid response can take place in reaction to changes in wave field and sand supply, because the sandy beach is composed of a collection of grains of sand, the positions of which can be freely changed depending on wave action…