Question 1

What is the definition of salinity?

Accepted Answer

The salinity of seawater is the total quantity of dissolved salts, expressed as a percentage .

Question 2

Global sea level change, called eustatic sea level change, occurs by which three mechanisms?

Accepted Answer

A global sea level change, called eustatic sea level change , occurs by three mechanisms: the growth or melting of glaciers, changes in water temperature, and changes in the volume of the Mid-Oceanic Ridge.

Question 3

The circular motion of water caused by a passing wave diminishes with depth until it becomes negligible at the _______________.

Accepted Answer

wave base,base

Question 4

Because Earth's circumference is greatest at the equator and Earth rotates once each day, a point on the equator rotates much faster than a point near the North Pole.

Accepted Answer

A) True 
 B)False

Question 5

A sheltered body of water separated from the sea by a reef or barrier island is a(n) _______________.

Accepted Answer

The answer of A sheltered body of water separated from...

Question 6

Any strip of shoreline washed by waves and tides is called a(n) _______________.

Accepted Answer

The answer of Any strip of shoreline washed by waves...

Question 7

The salinity of the oceans has been relatively constant throughout much of geologic time because salt has been removed from seawater at roughly the same rate at which it has been added.

Accepted Answer

A) True 
 B)False

Question 8

High and low tides occur at the same time every day.

Accepted Answer

A) True 
 B)False

Question 9

A wavelength is the ____.

Accepted Answer

A)  highest part of a wave 
B)  distance between successive crests 
C)  fetch of a wave 
D)  vertical distance between the crest and the trough of a wave 
A)  highest part of a wave 
B)  distance between successive crests 
C)  fetch of a wave 
D)  vertical distance between the crest and the trough of a wave

Question 10

The bending of a wave that occurs when it approaches the shore at an angle and the end of the wave in shallow water slows down is called _______________.

Accepted Answer

The answer of The bending of a wave that occurs...

Question 11

Define a spit and baymouth bar - how are they related?

Accepted Answer

A spit is a small, fingerlike ridge of s

Question 12

During an interval of 24 hours and 53 minutes, most coastlines experience ____ high tide(s) and ____ low tide(s).

Accepted Answer

A)  one; one 
B)  two; two 
C)  three; two 
D)  four; four 
A)  one; one 
B)  two; two 
C)  three; two 
D)  four; four

Question 13

What is the depth for the thermocline?

Accepted Answer

The thermocline exte

Question 14

Circular or elliptical currents in either water or air are called _______________.

Accepted Answer

The answer of Circular or elliptical currents in either water...

Question 15

How does refraction affect wave erosion along irregular coasts?

Accepted Answer

A)  Waves refract away from headlands and focus erosion in adjacent bays. 
B)  Headlands erode more quickly and adjacent bays fill with sand. 
C)  Refraction causes headlands and bays to erode at the same rate. 
D)  Refraction protects irregular coasts from erosion. 
A)  Waves refract away from headlands and focus erosion in adjacent bays. 
B)  Headlands erode more quickly and adjacent bays fill with sand. 
C)  Refraction causes headlands and bays to erode at the same rate. 
D)  Refraction protects irregular coasts from erosion.

Question 16

____ is the process by which surface water moved by wind drags the layer of ocean water below it, which in turn drags the layer below it, and so forth, with the direction of movement in each layer deflected by the Coriolis effect.

Accepted Answer

A)  Tidal bulge 
B)  Wave base 
C)  Thermohaline circulation 
D)  Ekman transport 
A)  Tidal bulge 
B)  Wave base 
C)  Thermohaline circulation 
D)  Ekman transport

Question 17

When the Gulf Stream reaches the northern part of the Atlantic Ocean, it sinks to the ocean floor and deflects to become the North Atlantic Deep Water.

Accepted Answer

A) True 
 B)False

Question 18

How does microplastic debris move through the ocean?

Accepted Answer

Microplastic debris is mixed a

Question 19

Describe upwelling in terms of where it happens and what happens during the process.

Accepted Answer

Upwelling carries cold water from the oc

Question 20

A(n) _______________ coastline is one that was previously above sea level but has been drowned, because either the land has sunk or sea level has risen.

Accepted Answer

The answer of A(n) _______________ coastline is one that was...

Exam 16: Oceans and Coastlines

What is the definition of salinity?

Global sea level change, called eustatic sea level change, occurs by which three mechanisms?

The circular motion of water caused by a passing wave diminishes with depth until it becomes negligible at the _______________.

Because Earth's circumference is greatest at the equator and Earth rotates once each day, a point on the equator rotates much faster than a point near the North Pole.

A sheltered body of water separated from the sea by a reef or barrier island is a(n) _______________.

Any strip of shoreline washed by waves and tides is called a(n) _______________.

The salinity of the oceans has been relatively constant throughout much of geologic time because salt has been removed from seawater at roughly the same rate at which it has been added.

High and low tides occur at the same time every day.

A wavelength is the ____.

The bending of a wave that occurs when it approaches the shore at an angle and the end of the wave in shallow water slows down is called _______________.

Define a spit and baymouth bar - how are they related?

During an interval of 24 hours and 53 minutes, most coastlines experience ____ high tide(s) and ____ low tide(s).

What is the depth for the thermocline?

Circular or elliptical currents in either water or air are called _______________.

How does refraction affect wave erosion along irregular coasts?

____ is the process by which surface water moved by wind drags the layer of ocean water below it, which in turn drags the layer below it, and so forth, with the direction of movement in each layer deflected by the Coriolis effect.

When the Gulf Stream reaches the northern part of the Atlantic Ocean, it sinks to the ocean floor and deflects to become the North Atlantic Deep Water.

How does microplastic debris move through the ocean?

Describe upwelling in terms of where it happens and what happens during the process.

A(n) _______________ coastline is one that was previously above sea level but has been drowned, because either the land has sunk or sea level has risen.

Earth Systems

Minerals

Rocks

Geologic Time: a Story in the Rocks

Geologic Resources

The Active Earth: Plate Tectonics

Earthquakes and the Earths Structure

Volcanoes and Plutons

Mountains

Weathering, Soil, and Erosion

Fresh Water: Streams, Lakes, Ground Water, and Wetlands

Water Resources

Glaciers and Ice Ages

Deserts and Wind

Ocean Basins

The Atmosphere

Energy Balance in the Atmosphere

Moisture, Clouds, and Weather

Climate

Climate Change

Motions in the Heavens

Planets and Their Moons

Stars, Space, and Galaxies

Filters

During an interval of 24 hours and 53 minutes, most coastlines experience high tide(s) and low tide(s).