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Quiz von Ricky Elmendorf, aktualisiert more than 1 year ago
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Erstellt von Ricky Elmendorf
vor etwa 10 Jahre
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Frage 1
Frage
Large waves are generated by
Antworten
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Short fetch
-
Short duration that wind blows in a given
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Variable wind directions
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None of these
Frage 2
Frage
When waves begin to interact with the seafloor this happens
Antworten
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wavelength decreases
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wave height increasese
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wave steepness decreases and the wave breaks
-
Both a and b
Frage 3
Frage
Water moving up the beach after the wave breaks is termed
Antworten
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Surf
-
Backwash
-
breaker
-
swell
Frage 4
Frage
The effect of the concentration of wave energies on headlands is to
Antworten
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make the coastline more irregular
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make the coastline straighter
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produce more sand dunes along the coast
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erode the bays
Frage 5
Frage
Groins are usually constructed to
Antworten
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stabilize beaches by lessening erosion
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to protect boats along the coast
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to prevent cliff erosion
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to produce a calm environment along the coast for organisms of the sea
Frage 6
Frage
Storm surges result in part from
Antworten
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strong winds associated with tsunami
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high atmospheric pressure along the coast associated with storms
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low atmospheric pressure along the coast associated with storms
-
all of these
Frage 7
Frage
Lake waves would be largest when
Antworten
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winds are strong and fetch is short
-
winds are strong and fetch is long
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winds are weak and fetch is short
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winds are weak and fetch is long
Frage 8
Frage
Mid-latitude beaches that have seasonal patterns of erosion and deposition
Antworten
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mostly erode during the summer due to strong waves
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grow during winter due to sediment deposition associated with stronger waves
-
mostly grow during summer due to sediment deposition associated with weaker waves
-
None of these
Frage 9
Frage
Dams on rivers supplying sediment to beaches will result
Antworten
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in the growth of the beach
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in erosion of the beach
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in growth or erosion of the beach depending on the season and the amount of water released by the dams
-
none of these, dams do not impact beaches
Frage 10
Frage
These two factors are important in the development of dunes next to beaches
Antworten
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mostly unidirectional winds, sufficient sand supply
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much vegetation, humid climate
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desert climate, multidirectional winds
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desert climate, mostly unidirectional winds
Frage 11
Frage
These are erosional coastal features
Antworten
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Sea caves
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tombolos
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sea cliffs
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wave-cut platforms
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a,c, and d
Frage 12
Frage
Emergent coasts are associated with
Antworten
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uplift related to tectonic activity
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rising sea level
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sinking of the land due to tectonic activity
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All of the above
Frage 13
Frage
What caused most coastlines to become submerged over the past 10,000 years?
Antworten
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subsidence of land
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sea level rise
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growth of icesheets
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tectonic shifts
Frage 14
Frage
Which of the following is not a result of coastal deposition?
Antworten
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baymouth bar
-
tombolo
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sea stack
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sandspit
Frage 15
Frage
Regular patterns of smooth, rounded waves are called
Antworten
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breakers.
-
wave ripples.
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wave trains
-
swells
Frage 16
Frage
Waves in shallow water that "feel bottom" are ________ and more ________ spaced
than the swell they are related to.
Antworten
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taller; closely
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taller; widely
-
smaller; closely
-
smaller; widely
Frage 17
Frage
Wave action works to straighten a coast as wave energy focuses around headlands
and tends to disperse energy in coves and bays in a process called
Antworten
-
longshore current
-
breakers
-
wave refraction
-
tidal bore
Frage 18
Frage
Particles of sand, gravels, and shells that move along the shore form the
Antworten
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Breakers
-
longshore current
-
beach drift or longshore drift
-
translation effects
Frage 19
Frage
When people go surfing or swimming along a coast, they often find—after spending
time in the water—that they are no longer in the area in which they first entered the water.
In other words, they find that they have moved downshore, even though they did not
deliberately move in that direction. This occurs because of
Antworten
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tsunamis
-
beach drift
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longshore currents
-
tidal currents
Frage 20
Frage
Which of the following is false regarding tsunamis?
Antworten
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They can travel at a speed of several hundred miles per hour
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They have very long wavelengths in the open ocean
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They are very tall in the open ocean
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They slow down as they approach shore
Frage 21
Frage
Which of the following is not an example of an erosional coastal landform?
Antworten
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sea arch
-
barrier spit
-
wave-cut platform
-
notched cliff
Frage 22
Frage
A terrace is
Antworten
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an uplifted sea stack
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an uplifted wave-cut platform
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an erosional surface created by a massive tsunami
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an uplifted foreshore dune
Frage 23
Frage
Which of the following is not an example of a depositional coastal landform?
Antworten
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Delta
-
barrier spit
-
bay barrier
-
wave cut platform
Frage 24
Frage
Which of the following conditions is not conducive to the formation of barrier islands?
Antworten
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tectonically active coasts
-
sediment supply from rivers
-
low tidal range
-
presence of continental shelf
Frage 25
Frage
Sea level rise associated with global warming should be expected to:
Antworten
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Increase rates of sediment delivery to deltas
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Increase rates of coastal erosion
-
Decrease rates of longshore sediment transport
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Increase deposition on coastal dunes
Frage 26
Frage
Tectonic Forces
Antworten
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Erode the surface of the Earth
-
Warm, fold, and uplift rock
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Control soil formation processes
-
Form sedimentary rock
Frage 27
Frage
Linear lakes forming in East Africa because of what
Antworten
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Rifting
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Subduction
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Compression
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Isostatic Uplift
Frage 28
Frage
Which of the following are located along the mid-ocean ridges?
Antworten
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Volcanoes
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outcrops of granite
-
old oceanic sediments
-
evaporite deposits
Frage 29
Frage
The process that describes the depression and rebound of continental crust due to
adding or removing weight is called:
Antworten
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continental drift
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seafloor spreading
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Plate tectonics
-
Isostacy
Frage 30
Frage
A spontaneous downslope movement of Earth materials driven by gravity is called
Antworten
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Erosion
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Weathering
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Mass movement
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Diagenesis
Frage 31
Frage
Rates of erosion are generally greater
Antworten
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flat lowlands
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Steep Mountains
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near the mouth of a river
-
in dry desert valleys
Frage 32
Frage
Landslides occur when
Antworten
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When a threshold is reached
-
the internal friction is overcome by the force of gravity.
-
when driving forces exceed resisting forces
-
All of the above
Frage 33
Frage
Landslides occur when
Antworten
-
When a threshold is reached
-
the internal friction is overcome by the force of gravity.
-
when driving forces exceed resisting forces
-
All of the above
Frage 34
Frage
Creep involves movement of soil
Antworten
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at a rapid speed
-
At a slow, almost non-distinguishable pace
-
rapidly at first, then slows down
-
slowly at first, then rapidly speeds up
Frage 35
Frage
What is the discharge of a river with a depth of 0.5 meters, width of 10 meters and a flow
velocity of 0.5 meters/second
Antworten
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2.5 m^3/sec
-
0.5 m^2/sec
-
5.0 m^2/sec
-
25 m^3/sec
Frage 36
Frage
As the discharge of a stream increases, which of the following also happens?
Antworten
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As the discharge of a stream increases, which of the following also happens?
-
The rate of flow decreases.
-
Channel width increases but channel depth decreases.
-
Width, depth, and velocity all increase.
Frage 37
Frage
Streams that receive large loads of coarse sediment are likely to have:
Antworten
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a) Narrower channels than streams that receive little sediment
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b) Steeper channel slopes than streams that receive little sediment
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c) Frequent large waterfalls
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d) Straight rather than meandering channels
Frage 38
Frage
Floodplains are formed by
Antworten
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a) Erosion of valley-side bluffs
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b) Deposition on point bars of meandering streams and by overbank flows
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c) Repeated floods that erode broad flat surfaces.
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d) Chemical weathering at the elevation of the water table
Frage 39
Frage
Which of the following will lead to the development of stream terraces?
Antworten
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a) tectonic uplift which steepens channels
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b) decreased sediment yield into the stream
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c) a drop in base level on tributaries of a larger stream
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d) any of the above
Frage 40
Frage
The following are all forms of ablation EXCEPT:
Antworten
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a) melting
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evaporating
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calving
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Precipitation
Frage 41
Frage
) The material in a glacial moraine is usually
Antworten
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a) sorted by weight.
-
b) sorted by size.
-
c) sorted by weight and size.
-
d) unsorted.
Frage 42
Frage
Which of the following is false regarding the Pleistocene ice sheets in North America?
Antworten
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a) At their maximum, they extended only to the present-day Canadian border.
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b) Their maximum thickness was about 2 km (1.2 mi).
-
c) They dramatically altered the landscape of much of the U.S.
-
d) The edges of the ice sheets were not even; rather, they were characterized by ice lobes that formed curved edges.
-
e) They disappeared by 7,000 years ago.
Frage 43
Frage
The average density of the Earth is 5.5 g/cm3
; whereas the average density of
the continental crust is 2.7 g/cm3
and oceanic crust is 3.3 g/cm3
. Which statement best
explains the discrepancy between the densities of the Earth’s crust versus the overall
Antworten
-
the deeper layers of the Earth are made up of heavier elements such as iron, nickel, and magnesium
-
b) the sun’s effect on the density of the Earth’s crust has not been calculated
-
c) these numbers change with every earthquake occurrence
-
d) adding the moon’s density to the density of the continental and oceanic crusts adds up to Earth’s average density
Frage 44
Frage
At which of the following locations does subduction occur?
Antworten
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a) along collision zones between two continents
-
b) at sea floor spreading zones
-
c) above mantle hot spots
-
d) along collision zones between continental and oceanic plates
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