Geography Flashcards
A river in a valley it didn’t erode.
Misfit river
UK mapping agency, produce scaled OS maps.
Ordnance Survey
Valley with steep sided and a wide, flat base.
U-shaped valleys
Increased sea levels. With climate change, sea levels are rising.
Sea level rise
4 or 6 figure reference used to find a place.
Grid reference
Long, U-shaped valley with flat floors and steep sides.
Trough
Change of water volume with heat.
Thermal expansion
An image or letters used on maps.
Map symbols
Area of land permanently covered by ice.
Cold environment
Height above sea level.
Altitude
Distance from the ocean or sea.
Continentality
Large body of ice that moves under its own weight.
Glacier
Ablation>Accumulation. Glacier shrinks.
Glacial retreat.
Distance from the equator.
Latitude
Zone where there are outputs into the glacial budget.
Ablation
Accumulation>Ablation. Glacier grows.
Glacial advance
Zone where there are inputs into the glacial budget.
Accumulation
Meltwater at the base of the glacier freezers. Glacier moves, rock pulled up.
Plucking
Wearing away and removal of material.
Erosion
Water gets into cracks in the rocks, then freezes and expands.
Freeze-thaw weathering
Glacier moving over the bed with melt water acting as a lubricant.
Basal sliding
A deep arm chair shaped hollow found in the side of a mountain.
Corrie
Rocks in the glacier scrape over the land and wear it away.
Abrasion
Deep lake at the corrie filled with water.
Tarn
