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