Deck 49: Coastal Landforms and Landscapes

Question 1

Beaches will:

A) mostly erode during the summer due to strong waves
B) grow during winter due to sediment deposition associated with stronger waves
C) mostly grow during summer due to sediment deposition associated with weaker waves
D) none of these

Answer 1

C

Question 2

Waves hitting the beaches are normally stronger:

A) during the winter
B) during the summer
C) during daytime hours
D) none of these

Answer 2

A

Question 3

Most sand found on the beaches comes from eroding cliffs.

Answer 3

False

Question 4

Dams along rivers that supply sediment to the beaches will result in:

A) the growth of the beach
B) erosion of the beach
C) growth or erosion of the beach depending on the season and the amount of water released by the dams
D) none of these, dams do not impact beaches

Question 5

This part of the coastline is covered during high tide but exposed during low tide.

A) nearshore
B) backshore
C) foreshore
D) none of these

Question 6

These two factors are important in the development of dunes next to beaches:

A) mostly unidirectional winds, sufficient sand supply
B) abundant vegetation, humid climate
C) desert climate, multidirectional winds
D) desert climate, mostly unidirectional winds

Question 7

Longshore bars form offshore during summer months.

Question 8

Sandspits form by:

A) erosional processes
B) depositional processes
C) tectonic uplift
D) submergent processes

Question 9

Which of the following are erosional coastal features?

A) sea caves
B) tombolos
C) sea cliffs
D) wave-cut platforms
E) a, c, d

Question 10

Sea stacks indicate that the coast along which they occur is eroding.

Question 11

Emergent coasts are associated with:

A) uplift related to tectonic activity
B) rising sea level
C) sinking of the land due to tectonic activity
D) all of these

Question 12

Drowned river mouths characterize:

A) emergent coasts
B) submerged coasts
C) eroded coasts
D) depositional coasts

Question 13

Coral Reefs and atolls are landforms produced or modified by organisms.

Question 14

Which part of the coast is submerged even at average low tide?

A) backshore
B) nearshore
C) foreshore
D) longshore

Question 15

What caused most coastlines to become submerged over the past 10,000 years?

A) subsidence of land
B) sea level rise
C) growth of icesheets
D) tectonic shifts

Question 16

Submarine canyons are to river valleys as drowned glacial valleys are to _____.

A) wave-cut terraces
B) cliffs
C) beach dunes
D) fjords

Question 17

Which of the following is not a result of deposition?

A) baymouth bar
B) tombolo
C) sea stack
D) sandspit