CH.13 Pre-Quiz
A major difference between a barrier island and a barrier spit is
a barrier spit is connected to the mainland, whereas a barrier island is not.
The grinding and shaping of rock surfaces by the "sandblasting" action of particles carried by wind is
abrasion
A terrace is
an uplifted wave-cut platform
Long, narrow deposits of sand that form offshore roughly parallel to the coast are called
barrier beaches
Material deposited in a long ridge extending out from a coast is called a
barrier spit
If the material deposited in a long ridge extending out from a coast grows to completely cut off the bay from an ocean, it becomes a
baymouth bar
The artificial replacement of sand along a beach is called
beach nourishment
Seawater with less than 3.5% is termed
brackish
When the height of a wave exceeds its vertical stability, the wave is called a
breaker
The term eolian refers to
erosion, transportation, and deposition by wind.
The ability of the wind to move materials
is small compared to other transporting agents, such as water and ice.
A shallow saltwater body cut off from the ocean by a bay barrier is known as a
lagoon
Wind is ________ effective at eroding and transporting materials than other geomorphic agents because its density is ________ that of other geomorphic agents.
less; lower
A general term for the coastal area and shallow offshore environment is
littoral zone
Areas with heavy freshwater runoff and low evaporation will have ________ average salinity.
lower than
Beaches are
places along the coast where sediment is in motion
Barrier islands make ________ sites for real estate development because ________.
poor; they can be unstable, mobile, and overrun by storm surges.
The smallest features shaped by saltating grains of sand that are transverse to wind direction are
ripples
An earthquake, a submarine landslide, or a volcanic eruption is capable of producing a
tsunami
Rocks that are pitted, fluted, or polished from eolian erosion are called
ventifacts
Wave action works to straighten a coast as wave energy focuses around headlands in a process called
wave refraction
Elongated, streamlined ridges aligned parallel to the most effective wind direction are called
yardangs
The worldwide average salinity of seawater is
3.5%
Approximately what percentage of the world's population lives near the ocean?
33% 40% ?????
These features on the shore of Lake Michigan disrupt sediment movement along a coast.
Groins
These features block material from blocking harbor entrances.
Jetties
Which side of a dune typically has a slope angle equal to that of the angle of repose for sand?
Leeward
Which of the following is TRUE about seawater?
Seawater is a solution.
In which of the following region would you expect to have the highest levels of seawater salinity?
Subtropical oceans
Which of the following is NOT an example of an erosional coastal landform?
Tombolo
A wave-cut platform is the erosional remnant of a
cliff
An extensive area of sand and sand dunes is known as a(n)
erg desert, or sand sea
The removal and lifting of individual loose particles by the wind is termed
deflation
Pebbles can be moved by ________ in a process known as ________.
saltating particles; surface creep
Desert pavement refers to
sand-covered surfaces surfaces of concentrated pebbles and gravels????????????????
Undercutting action of the sea results in
sea cliffs
When the Sun and Moon are on the same side Earth or on opposite sides of earth, the ________ tide occurs and results in the ________ tidal range between low and high tides.
spring; greatest
Regular patterns of smooth, rounded waves are called
swells