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Beach: Wave-washed
sediment along a coast, including sediment in the surf zone that
is in constant motion.
Bed: the bottom
of a stream channel.
Drift: Loose material
such as gravel and sand, transported and deposited by glacial
ice or meltwater.
Erosion: The complex
group of related processes by which rock is broken down physically
and chemically and the products are moved.
Geomorphology:
(Greek, geo- meaning earth; -morph meaning form
or structure) The study of the characteristics, origin, and development
of the form or surface features of the earth.
Glacier: A permanent
body of ice, consisting largely of recrystallized snow, that
shows evidence of downslope or outward movement, due to the stress
of its own weight.
Kettles: Depressions
formed by sediment collapsing over melting blocks of glacier
ice.
Longshore current:
A current that is generated by waves that strike the beach obliquely.
Pingo: A relatively
large mound raised by frost action above the permafrost level.
Usually lasts more than one season.
Point Bar: A sand
or gravel bar formed on the inside of a river bend.
Sediment: Solid
mineral or organic material that is being transported in suspension
or has been moved from its origin by water, ice or air and is
now resting on the Earth's surface.
Silt: Sediment
made up of very fine fragments of rock or organic particles.
Topography: The
relief features or surface configuration of an area.
Tributary: Any
stream that contributes water to another stream.
Walls: the sides
of a stream channel.
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