Geology Test 4.2

25 July 2022
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question
The coastal zone is _______. composed of fragile, short-lived features that are inappropriate for development migrating seaward because sea-level has fallen since the Pleistocene glaciers melted a stable feature that does not change not affected by changes in mean sea level only affected by storm-generated currents
answer
composed of fragile, short-lived features that are inappropriate for development
question
Where is the best place to sunbathe (and keep your blanket dry) in the coastal zone? The offshore zone The berm The foreshore zone The beach face The nearshore zone
answer
The berm
question
As a wave passes under a floating object, _____. the object will move vertically a distance equal to that of the wave height the object will travel a distance equal to the wavelength the object will cause the wave to convert to a swell the object will become trapped in the fetch the object will become trapped in the wave trough
answer
the object will move vertically a distance equal to that of the wave height
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Which of the following is responsible for moving tons of sediment parallel to the shore? Tsunamis Storms Longshore currents Hurricanes Rip currents
answer
Longshore currents
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Which of the following depositional features is produced by longshore transport? Marine terrace Sea stack Spit Sea arch Wave-cut platform
answer
Spit
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Which of the following methods to counteract beach erosion do coastal scientists consider the best permanent option? Jetties Beach nourishment Breakwaters Relocation of at-risk structures Sea walls
answer
Relocation of at-risk structures
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Which type of hard stabilization increases beach erosion? CHOOSE ALL THAT APPLY. Breakwater Groin Beach nourishment Jetty Berm
answer
Groin Jetty
question
Of the following options, which is most likely an area where a hurricane would form? At 30 degrees south in the Indian Ocean At 10 degrees north latitude in the eastern Atlantic Ocean At 10 degrees south latitude in the western Pacific Ocean At 15 degrees south latitude on the eastern Atlantic Ocean At the equator in the western Pacific Ocean
answer
At 10 degrees north latitude in the eastern Atlantic Ocean
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Which of the following is a characteristic example of an emergent coastline? Wave-cut platform Estuary Drowned river mouth A coast where the adjacent land is subsiding Highly irregular coastline
answer
Wave-cut platform
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When does the spring tide occur? When the Sun and the Moon are in alignment When the Moon is closest to the equator During the spring months When the Moon is furthest from the equator When the Sun and the Moon are at right angles
answer
When the Sun and the Moon are in alignment
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Which tide has two high and two low tides each day, with high tides of different heights and low tides of different heights? semidiurnal tide diurnal tide mixed tide neap tide spring tide
answer
mixed tide
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Emergent coastlines consistently have the characteristic of __________. drowned river-mouth estuary marine terraces sand dunes irregular coastline
answer
marine terraces
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Where are the highest wind speeds in a hurricane located? in the eye wall in the eye on the outer edge Wind speeds are about equal throughout.
answer
in the eye wall
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Which part of the United States shoreline is being most starved for sediments because of the damming of rivers? Florida Pacific Coast between Maine and Virginia Gulf of Mexico
answer
Pacific Coast
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Which of the following is an alternative to hard stabilization? beach nourishment building a seawall building jetties building a groin
answer
beach nourishment
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What ultimately causes a spit to develop? The longshore current reduces its energy. a tidal current The longshore current gains energy. a rip current
answer
The longshore current reduces its energy.
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Narrow currents flowing across the surf zone toward the open ocean are called __________. longshore current rip current beach drift surf currents
answer
rip current
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Where is the act of abrasion most intense? during glacial movement in the surf zone in a stream environment where wind moves sand
answer
in the surf zone
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What provides most ocean waves with their energy? the wind boats passing through volcanic activity on the ocean floor earthquakes
answer
the wind
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What is the contact that marks the line between land and sea called? the coast the beach a shoreline the shore
answer
a shoreline