In this episode, we discuss coastal deposition.
Coastal deposition is the process where the sea deposits sediment at the coastline, causing coasts to expand when deposition exceeds erosion.
This primarily occurs when constructive waves break on the shore, leaving behind transported material.
The deposited sediment typically forms beaches, which can be sandy or shingle depending on the size of the particles.
Increased erosion in nearby areas can lead to greater deposition due to the larger amount of available sediment.
Sandy beaches are long and flat due to fine particles easily washed back, while shingle beaches are steep and short because larger pebbles are harder to move.
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