Exam 3 Flashcards
In the weathering process of pressure release fracturing
Bedrock expands and fractured when the overlying rock erodes away
Wind, flowing water, glaciers, and gravity are agents of
Erosion
Piles of rock debris found at the base of cliffs in high alpine areas are likely the result of
Frost wedging
In the process of hydrolysis
Minerals weather by incorporating water
Soil is a mixture of
Mineral grains, organic matter, gas, water
A flowing mixture of clay, silt, sand, and rock in which more than half of the particles are larger Han sans is called
Debris flow
A type of mass wasting in which a segment of bedrock moves downslope along a fracture is called
Rockslide
What proportion of the earths surface water is fresh water
2.5%
Most of the surface fresh water is contained in
Ice sheets and glaciers
Stream, -, discharge, and channel shape determine the velocity of a stream
Gradient
A streams erosional strength is
Greatest in a fast flowing stream
Boulders and cobbles are carried by a stream as
Bed load
The water on the outside of a stream curve moves
Faster than the water on the inside, thus enforcing meandering of the stream
If a stream cuts through the narrow neck of land separating two meanders, the abandoned meander loops may become isolated to form an
Oxbow lake
When a stream has a greater supply of sediment than it can carry
It forms a braided stream
The top of a waterfall is a
Temporary or local base level