GEOG1710 (Pan) - Chapter 16 Review

Which of the following is true of loess deposits?

They are formed of fine-grained clays and silts

The suspension of finer particles by wind over significant distances is a phenomenon known as ?

a dust storm

The sandblasting action of wind-blown particles is called ?

abrasion

A terrace is ?

an uplift wave-cut platform

Coral formations...?

are made of animals living symbiotically with simple algae

Which of the following is not related to coral rock formations?

bay barriers and barrier spits

Brine water results from?

high evaporation rates

Brackish water would be most likely to occur?

in a deltaic swamp

Which of the following grain sizes is the most readily moved by the wind?

intermediate

The ability of the wind to move materials...?

is small compared to other transporting agents, such as water and ice

Which of the following occurs when the Sun, Moon, and Earth are in alignment (i.e. in opposition or conjunction)?

maximum tidal ranges occur

Which of the following is not true of tides?

they are produced solely by the gravitational pull of the Sun

An earthquake, submarine landslide, or eruption of undersea volcano is capable of producing a ?

tsunami

Which of the following is not an example of a depositional coastal landform?

wave-cut platform

Elongated, streamlined ridges aligned parallel to the most effective wind direction are called ?

yardangs

A general term for the coastal environment is?

littoral zone

About 2% of the oceanic mass comprise the?

mixing zone of blended solutes and temperatures

Which of the following is true of the ocean deep zone?

only A and B are true

Because the algae which live in symbiotic relationship with with coral perform _______________, corals ______________.

photosynthesis; must live in water that is penetrated by light

About __________ area of desert areas are covered with sand.

10%

Worldwide average salinity is ___________.

3.5%

The destruction of a mangrove swamp might lead to ?

All of the above are true

T/F: Although many elements are dissolved in seawater, no gases are dissolved in it.

False

T/F: As the evaporation rate increases, salinity decreases.

False

T/F: Brine water tends to occur near coastal deltas.

False

T/F: Seawater is not a solution

False

In China, the desert pavements are called ?

Gobi

The largest ocean in the world in terms of area is the _____________ and the smallest ocean in terms of area is ______________.

Pacific; Atlantic

The concentration of dissolved solids in the seawater is called _________.

Salinity

T/F: Clay is easy to lift from a surface and also is easy to keep suspended in the air.

True

T/F: The Moon's gravitational pull on the Earth is greater than that of the Sun.

True

T/F: The formation of desert pavement involves both wind and water.

True

T/F: The rate of sand movement is proportional to the wind speed.

True

T/F: The saltating particles can initiate the movement of other particles.

True

T/F: The skipping and bouncing action of saltation accounts for about 80% of wind transported particles.

True

An atoll is approximately _____________ in shape because it forms _______________.

circular; around submerged volcanic islands

From inland to the ocean, which sequence of zone is correct?

coast, backshore, foreshore, nearshore

List three classes of dune forms:

crescentic, linear, star

Removal of vegetation from a semiarid grassland environment is likely to lead to ?

deflation

The removal and lifting of individual loose particles by the wind is termed?

deflation

Near the shore, waves of transition begin to "feel bottom" and as a result, the orbits of the water molecules in the wave become more ______________. The process eventually causes _______________ to form.

elliptical; breakers

As regards wetlands; which of the following is correctly matched?

salt marsh - poleward of the 30th parallel in either hemisphere.

Pebbles can be moved by _________________ in a process known as _______________.

saltating particles, surface creep

Waves in shallow water that "feel bottom" are _______________ and more ________________ spaced than the swell they are related to.

taller; closely

Which two processes create desert pavement?

deflation and rain wash

The term eolian refers to ?

erosion, transportation, and deposition by the wind

The height of the tsunami grows as it approaches a coastline primarily because ?

its wavelength shortens

Which side of a dune typically has a slope angle equal to that of the angle of repose for sand?

leeward side

A coral is a type of ___________ that secretes ___________ to form an organic rock home.

polyp; calcium carbonate

In which region of the U.S. are eolian processes most effective?

southwest

Which of the following is incorrectly matched?

spring tides-high tides only

Which of the following surface conditions would limit the effectiveness of wind as an erosional agent?

surface materials consisting of clay-sized particles

Desert pavement refers to ?

surfaces of concentrated pebbles and gravels

Which of the following is not an example of an erosional coastal landform?

tombolo