Devil's Dyke National Trust

Devil's Dyke is a 100-metre (330 ft) deep V-shaped dry valley . We stop here and go walking around the top of Devils Dyke and talk about the history Devil's Dyke when it was a huge attraction for the Victorians in mid 1800s. How was it formed? The Devil's Dyke V-shaped dry valley is the result of solifluction and river erosion. More than 14,000 years ago[unreliable source?], the area experienced an intensely cold climate (but not glacial conditions). Snowfields capped the South Downs. Permafrost conditions meant that the chalk was permanently frozen. In summer, the snowfields melted and saturated the top layer of soil, because the water could not permeate the frozen chalk underneath. Waterlogged material situated above the permafrost slid down the gradient, removing material by friction, exposing deeper layers of frozen chalk. When the Ice Age ended, the snowfields covering the South Downs melted, and rivers formed across Sussex. The Devil's Dyke valley was completed by one such river

Seaford Beach

Seaford Beach in East Sussex has a long history of coastal challenges, particularly due to the natural movement of shingle along the shoreline. This constant shifting has necessitated ongoing human intervention to maintain the beach's integrity and protect the town from erosion and flooding. In modern times, heavy machinery such as bulldozers and dumper trucks have been employed to manage the beach's shingle. These vehicles are used to redistribute the pebbles, especially around structures like the Terminal Groyne, to counteract the effects of longshore drift and ensure the beach remains a viable sea defense