Bars and Tombolos (UEB contracted)

By: Rnib

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Synopsis: There are two plan images of coastline on this page, one at the top and one at the bottom of the page. An image border surrounds each image. There is a locator dot shown, which will be at the top left of the page when the image is the correct way up. In the top image the land fills the bottom half and the sea fills the top half of the image. Longshore drift goes from left to right. It has carried material from beaches on the left to form a bar or barrier beach across a small bay. This has made a lagoon of brackish water cut off from the sea. The bottom image shows part of the south coast of England. The land is in the top half and the sea in the bottom half of the image. The strong longshore current coming from the left (west) has carried material along the coast forming a large spit (Chesil Beach). It has grown so long it now joins the Isle of Portland in the bottom right of the image to the land forming a tombolo. Up the page from Chesil Beach is a lagoon called The Fleet. To the right of this is the coastal town of Weymouth.

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