SH3847 : Oblique waves in Trefor Bay

taken 14 years ago, near to Trefor, Gwynedd, Great Britain

Oblique waves in Trefor Bay
Oblique waves in Trefor Bay
Here, the waves strike the beach at a markedly oblique angle. As each wave breaks on the shore, material is transported diagonally up the beach. The backwash then drags the transported particles back down the beach at right angle to the shoreline. This action is repeated by each successive wave resulting in the movement of sediment along the coast in a zigzag pattern. This process is known as long-shore drift.
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SH3847, 9 images   (more nearby )
  (find more nearby)
Date Taken
Friday, 13 February, 2004   (more nearby)
Tuesday, 19 February, 2008
Long-shore drift   (more nearby)
Subject Location
OSGB36: geotagged! SH 385 478 [100m precision]
WGS84: 53:0.2024N 4:24.4678W
Camera Location
OSGB36: geotagged! SH 363 479
View Direction
Northeast (about 45 degrees)
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