Question 1

Rip currents can be strong enough to pull people under the water.

Accepted Answer

A) True 
 B)False  False

Question 2

Relative sea level fluctuates constantly throughout the day.

Accepted Answer

A) True 
 B)False  True

Question 3

Swell is generated by storms far out at sea.

Accepted Answer

A) True 
 B)False  True

Question 4

If you were watching waves from the shore and started counting the seconds between one crest to the next,what would you be measuring?

Accepted Answer

A)  Wave height 
B)  Wave length 
C)  Wave period 
D)  Wave energy 
E)  Wave speed 
A)  Wave height 
B)  Wave length 
C)  Wave period 
D)  Wave energy 
E)  Wave speed

Question 5

What type of shorelines typify passive margins?

Accepted Answer

Passive margins typi

Question 6

How can damming rivers upstream contribute to erosion problems at the shoreline?

Accepted Answer

A)  Dams prevent natural flood events that would erode and reshape beaches. 
B)  Dams trap sediment that would otherwise supply sand to beaches. 
C)  Dams reduce water flow year round, allowing tidal currents to erode farther inland. 
D)  Dam construction weakens sea cliffs. 
E)  Artificial floods of water released from dams causes extreme erosion. 
A)  Dams prevent natural flood events that would erode and reshape beaches. 
B)  Dams trap sediment that would otherwise supply sand to beaches. 
C)  Dams reduce water flow year round, allowing tidal currents to erode farther inland. 
D)  Dam construction weakens sea cliffs. 
E)  Artificial floods of water released from dams causes extreme erosion.

Question 7

At what depth do waves begin to slow down and "feel bottom"?

Accepted Answer

A)  at depth equal to twice the wavelength 
B)  at depth equal to one wavelength 
C)  at depth equal to ½ wavelength 
D)  at depth equal to ¼ wavelength 
E)  Never. Waves don't slow down. 
A)  at depth equal to twice the wavelength 
B)  at depth equal to one wavelength 
C)  at depth equal to ½ wavelength 
D)  at depth equal to ¼ wavelength 
E)  Never. Waves don't slow down.

Question 8

Long-term changes in the sediment budget of beaches can be caused by

Accepted Answer

A)  climate change. 
B)  hurricanes. 
C)  nor'easters. 
D)  wave erosion. 
E)  winter storms. 
A)  climate change. 
B)  hurricanes. 
C)  nor'easters. 
D)  wave erosion. 
E)  winter storms.

Question 9

Divergence of wave normals usually occurs away from a headland.

Accepted Answer

A) True 
 B)False

Question 10

Why type of shorelines typify active margins?

Accepted Answer

Active margins typic

Question 11

When the sediment budget of a beach is negative what will happen to the beach?

Accepted Answer

The beach will erode and becom

Question 12

If you went down to the shoreline and wanted to measure the wave period of incoming waves,what equipment would you need?

Accepted Answer

A)  a measuring tape 
B)  a meter stick 
C)  a stopwatch 
D)  a measuring tape and a stopwatch 
E)  a meter stick and a stopwatch 
A)  a measuring tape 
B)  a meter stick 
C)  a stopwatch 
D)  a measuring tape and a stopwatch 
E)  a meter stick and a stopwatch

Question 13

On the west coast of Canada,sudden changes in the shoreline are likely caused by

Accepted Answer

A)  hurricanes. 
B)  earthquakes. 
C)  glaciation. 
D)  coastal erosion. 
E)  rising sea level. 
A)  hurricanes. 
B)  earthquakes. 
C)  glaciation. 
D)  coastal erosion. 
E)  rising sea level.

Question 14

What is a rogue wave?

Accepted Answer

It is an u

Question 15

The long-term effect of wave refraction is to straighten the shoreline (unless other non-wave processes intervene).

Accepted Answer

A) True 
 B)False

Question 16

What is longshore drift?

Accepted Answer

It is the transport

Question 17

Included in the definition of littoral drift is

Accepted Answer

A)  beach drift and longshore drift. 
B)  trombolo and spit. 
C)  ebb tide and beach drift. 
D)  beach face, longshore drift. 
E)  ebb tide and longshore drift. 
A)  beach drift and longshore drift. 
B)  trombolo and spit. 
C)  ebb tide and beach drift. 
D)  beach face, longshore drift. 
E)  ebb tide and longshore drift.

Question 18

A barrier island is a landform produced by littoral drift.

Accepted Answer

A) True 
 B)False

Question 19

Where would you find a bluff?

Accepted Answer

A)  along the coast of Florida 
B)  along the west coast of Vancouver Island 
C)  along the outer banks of North Carolina 
D)  along the shore of Lake Ontario 
E)  along the shore of Long Island, New York 
A)  along the coast of Florida 
B)  along the west coast of Vancouver Island 
C)  along the outer banks of North Carolina 
D)  along the shore of Lake Ontario 
E)  along the shore of Long Island, New York

Question 20

A linear structure placed perpendicular to the shore and designed to trap sand carried by longshore drift is called a

Accepted Answer

A)  seawall. 
B)  groin. 
C)  breakwater. 
D)  jetty. 
E)  riprap. 
A)  seawall. 
B)  groin. 
C)  breakwater. 
D)  jetty. 
E)  riprap.

Rip currents can be strong enough to pull people under the water.

Relative sea level fluctuates constantly throughout the day.

Swell is generated by storms far out at sea.

If you were watching waves from the shore and started counting the seconds between one crest to the next,what would you be measuring?

What type of shorelines typify passive margins?

How can damming rivers upstream contribute to erosion problems at the shoreline?

At what depth do waves begin to slow down and "feel bottom"?

Long-term changes in the sediment budget of beaches can be caused by

Divergence of wave normals usually occurs away from a headland.

Why type of shorelines typify active margins?

When the sediment budget of a beach is negative what will happen to the beach?

If you went down to the shoreline and wanted to measure the wave period of incoming waves,what equipment would you need?

On the west coast of Canada,sudden changes in the shoreline are likely caused by

What is a rogue wave?

The long-term effect of wave refraction is to straighten the shoreline (unless other non-wave processes intervene).

What is longshore drift?

Included in the definition of littoral drift is

A barrier island is a landform produced by littoral drift.

Where would you find a bluff?

A linear structure placed perpendicular to the shore and designed to trap sand carried by longshore drift is called a

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Wildfires

Climate Change

Meteorite Impacts and Extinctions

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Exam 12: Waves, Currents, and Coastlines

Rip currents can be strong enough to pull people under the water.

Relative sea level fluctuates constantly throughout the day.

Swell is generated by storms far out at sea.

If you were watching waves from the shore and started counting the seconds between one crest to the next,what would you be measuring?

What type of shorelines typify passive margins?

How can damming rivers upstream contribute to erosion problems at the shoreline?

At what depth do waves begin to slow down and "feel bottom"?

Long-term changes in the sediment budget of beaches can be caused by

Divergence of wave normals usually occurs away from a headland.

Why type of shorelines typify active margins?

When the sediment budget of a beach is negative what will happen to the beach?

If you went down to the shoreline and wanted to measure the wave period of incoming waves,what equipment would you need?

On the west coast of Canada,sudden changes in the shoreline are likely caused by

What is a rogue wave?

The long-term effect of wave refraction is to straighten the shoreline (unless other non-wave processes intervene).

What is longshore drift?

Included in the definition of littoral drift is

A barrier island is a landform produced by littoral drift.

Where would you find a bluff?

A linear structure placed perpendicular to the shore and designed to trap sand carried by longshore drift is called a

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters