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Home > Landscape & Geology > Dorset Coast
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Boscombe Beach Groyn...
Breakwater at Boscombe beach, Dorset
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Poole Harbour - look...
Rising sea level has flooded the lower course of the rivers Frome and Piddle to form a wide estuary. A strong circulating current in Poole bay maintains the sandbanks and beaches around the harbour mouth. A deep water channel is maintained by the rivers and tidal flow.
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Poole Harbour, looki...
Rising sea level has flooded the lower courses of the river Frome and Piddle forming a wide often shallow estuary. Brrownsea Island reserve is the largest of the low lying islands in this estuary harbour. Substantial area of land have been reclaimed on the north shore.
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Chesil Beach (from t...
Note the concave shape of the seaward side of the beach caused by the strong back wash of the waves. High tide waves throw stones up and over the ridge. Drought resistant plants colonise areas infrequently disturbed by the sea. The freshwater lagoon is fed by small rivers draining from the hills of ...
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Chesil Beach
A storm beach developed by gravel ridges being driven onshore. Note the lagoon between the storm beach and the low hills of the former coast. Storm waves throw the stones, rounded by constant impact, inland. Wind moves fine material in the same direction but human feet flatten the beach top.
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Durdle Door
The verticaly bedded Purbeck limestone protects the fine shales, sandstones and clays of the wide cove behind. A natural arch forms the end of the headland, eventual collapse will leave a stack.
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Lulworth Cove
Looking closer at Lulworth Cove, the erosion of the softer Wealden Clay and Greensand and the line of the limestone cliffs can be seen. To the west of Lulworth Cove, the cliffline has been broken, the start of the formation of another cove.
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The Dorset Coast, Lu...
In this area, there is a mixture of rock types including resistant chalk and limestone and less resistant clays and sands parallel to the coast. The result is a series of ridges and valleys. This photograph looks along the coast from Lulworth to Durdle Door. The line of the resistant Portland limest...
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The Dorset Coast
The Dorset coast has a great variety of geographical features, formed as a result of the erosion of the succession of east to west running outcrops of sedimentary rock. Hard limestone ridges, folded chalk hills, stone storm beaches and areas of soft clays have allowed the sea to both erode and depos...
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