4.2 Glacial Geomorphology Flashcards
1
Q
Ablation
A
Melting of the glacier when it makes it to the ocean or warmer temps
2
Q
Why do glaciers move?
A
preciptation, melting, and sublimation
3
Q
When do glaciers advance
A
when precipitation is greater than melting
4
Q
When do glaciers retreat
A
When the melting is greater than precipitation
5
Q
Glacial Striations
A
Due to ice scraping along rock
6
Q
What are till landforms called?
A
Moraines
7
Q
Drift
A
A term used for all sediment transported by a glacier
8
Q
Glaciofluvial
A
flowing meltwater (sands and gravels)
9
Q
Glaciocustrine
A
Lake basins (silts and clays)
10
Q
Supra vs sub glacial till
A
Sub glacial is more consolidated
