coastal systems- sediment sources and cells 0.0 / 5 ? GeographyCoastal environmentsA2/A-levelAQA Created by: maisy.poppyCreated on: 09-11-20 09:53 the sediment that forms beaches, mudflats and other depositional beaches originate from what three sources? cliff erosion, offshore areas and rivers 1 of 10 cliff erosion provides a small fraction of beach sediment what percentage? 5% 2 of 10 some sediment have been combed form the shallow sea bed ________ offshore 3 of 10 as a result of deglaiation what has happened? sea level has risen by around 100m in teh last 18,000 years 4 of 10 what is the main source of coastal sediment? rivers (90%) 5 of 10 sand and shingle are transported into the coastal system through the river _____ as bedload; ____ and ____ as a suspended load mouth slit and clay 6 of 10 coastal sediments are confined to well-defined stretches of coastline know as? with little movement between the ________ cells. sediment cells adjacent 7 of 10 England and wales have been dived into how many sediment cells. 11 8 of 10 What types of systems are are sediment cells Closed system so nothing is gained or lost 9 of 10 What are sediment sinks Areas where sediment becomes trapped. Estuaries 10 of 10
Explain how the sediment cell concept contributes to the understanding of coastal systems 4.0 / 5 based on 10 ratings
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