Fluvio-glacial Processes and Landscapes (AQA A-Level Geography): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Fluvio-glacial
Fluvio-glacial
Landforms/processes from glacier meltwater
Why fluvio-glacial deposits are sorted
Why fluvio-glacial deposits are sorted
Heaviest particles settle first when energy drops
Why subglacial streams can flow uphill
Why subglacial streams can flow uphill
Hydrostatic pressure from overlying ice weight
Eskers
Eskers
Long ridges (5-20m) of sorted material in ice direction
Kames
Kames
Mounds of sorted, coarse sands & gravel (deltaic deposits)
Outwash plain (sandur)
Outwash plain (sandur)
Plain in front of glacier snout, deposited by meltwater
Varve
Varve
One year's deposition layer in a lake (silt on sand)
Braided streams
Braided streams
Channels split into multiple streams around sediment
Periglacial
Periglacial
Landscapes exposed to very cold conditions, not glaciated
Permafrost
Permafrost
Permanently frozen ground, below 0°C for 2+ years