Deck 40: Landscapes Shaped by Stream Erosion

Question 1

Which of the following influences the development of landforms through fluvial erosion?

A) tectonic activity
B) lithology
C) geologic structure
D) climate
E) all of these

Answer 1

E

Question 2

An area consisting of mudstones and shales will likely exhibit gentler slopes than those composed of hard metamorphic and igneous rocks.

Answer 2

True

Question 3

A ____ is where steeply tilted, resistant layers form steep-sided ridges.

A) cuesta
B) dome
C) mesa
D) hogback

Answer 3

D

Question 4

The Appalachian Mountains are dominated by many examples of this topography.

A) hogback
B) ridge and valley
C) dome
D) cuesta

Question 5

In which area would stream erosion be a more important factor in rapidly forming landscapes?

A) Himalayas
B) Louisiana
C) The Great Plains
D) The Amazon delta

Question 6

Which statement is most true with regards to faults and stream erosion?

A) A fault line originates as a result of geologic activity without much erosional modification.
B) A fault scarp originates as a fault scarp but then undergoes significant erosional change.
C) A fault scarp originates as a result of geologic activity without much erosional modification.
D) Both (a) and (b)

Question 7

The potential energy of water is greater in steeper areas than in areas of high relief.

Question 8

Which erosional landform forms from stream erosion of intrusive igneous structures?

A) caprocks
B) buttes
C) granitic domes
D) mesas

Question 9

High drainage densities are usually related to:

A) low rates of erosion
B) moderate rates of erosion
C) high rates of erosion
D) areas with high aggradation rates

Question 10

The Appalachians are characterized by this type of drainage:

A) radial drainage
B) annular drainage
C) trellis drainage
D) dendritic

Question 11

The type of drainage pattern that form around volcanic cones is:

A) dendritic
B) radial
C) annular
D) trellis

Question 12

The Black Hills of South Dakota exhibit _____ drainage.

A) radial
B) annular
C) trellis
D) dendritic

Question 13

In an area where tectonic uplift has formed a ridge and a stream cuts into the ridge as it was developing, the stream is termed:

A) superimposed
B) antecedent
C) precedent
D) all of these

Question 14

Stream capture usually results from headward erosion across a divide separating drainage systems.

Question 15

When one stream diverts from one channel into another similar to the Upper Kafue River seized by the Loer Kafue River, this is known as:

A) antecedent rivers
B) superimposed rivers
C) joined streams
D) stream capture

Question 16

According to John Hack, landscapes are in dynamic equilibrium when the slopes of hills and valleys do not change over time.

Question 17

What is William Morris Davis known for?

A) dynamic equilibrium
B) cycle of peneplanation
C) cycle of erosion
D) he is known as the Father of Geomorphology

Question 18

What can cause stream rejuvenation?

A) subsidence
B) tectonic uplift
C) increase in sediment load
D) increase in temperatures

Question 19

In the cycle of erosion, landscapes are worn down to ____.

A) monadnocks
B) basins
C) domes
D) peneplains
E) pedophiles