The name for waves travelling in groups.
Wave trains
Waves get their energy from what?
Wind
What kind of glacier is found in mountainous areas and is also called valley glaciers?
Alpine Glaciers
What is an agent of erosion and deposition that you cannot see?
Gravity
A finger shaped projection that occurs when cliffs formed of hard rock erode more slowly than surrounding rock. (on shorelines)
Headland
The most common beach material is..?
Light colored sand
The lifting and removal of fine sediment by wind is called?
Deflation
What are bowl-like depressions where glacial ice cuts back into the mountain walls?
Cirques
What do we call an extremely slow movement of material downslope?
Creep
In which direction does a dune move?
with the wind
What makes black sand beaches black?
Eroded volcanic lava
The mounds of wind deposited sand are called what?
Dunes
The process by which an iceberg forms is called
Calving
A type of rapid mass movement where a mudflow occurs as a result of a volcanic eruption?
Lahars
Hanging valleys usually have what form after the ice is gone?
waterfalls
What is an exposed sandbar that is connected to the shoreline?
barrier spit (cape cod, massachusetts)
In areas of strong wind, sand-sized particles move in a skipping and bouncing motion. The movement of this material is called what?
Saltation
Ice shelves are different from ice sheets because ice shelves is resting over ______.
Water
Slump
Unique to alpine glaciers, the erosional feature is from rock pieces in the glacier scraping and polishing the surface rock it moves against, creating lines, grooves or gouges.
Striations
The sand moves on a beach in what pattern?
zig-zag (because of the angle that the waves strike the shore)
What leads to desert pavement?
Deflation
What influences the rate at which a glacier moves ?
What type of mass movement moves the most amount of material down slope?
Slow mass movement (creep)
Where is the world's largest ice sheet located?
Antarctica