Sediment Sources, Cells and Budgets (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Sediment cell
Sediment cell
Self-contained system storing & circulating desert sediment
Sediment budget
Sediment budget
Balance between sediment input & output in a system
Weathering
Weathering
Breaking down rock without transport
Regolith
Regolith
Broken material from weathering of parent rock
Fluvial sources
Fluvial sources
River sediment from wetter regions entering deserts
Ephemeral sources
Ephemeral sources
Dry riverbeds with water only during/after rain
Aeolian sources
Aeolian sources
Wind-transported sediment from beyond desert margins
Loess
Loess
Wind-deposited sediment
Net sediment loss
Net sediment loss
Erosion removes more material than deposition adds
Net sediment gain
Net sediment gain
Deposition adds more material than erosion removes