Coastal Landorms and Landscapres - Cal State LA

Coastal Landforms and Landscapes
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
Waves hitting the beaches are normally stronger
a. during the winter*
b. during the summer
Most sand found on the beaches comes from eroding cliffs
a. True
b. False*
Dams on rivers supplying sediment to the beaches will result
a. in the growth of the beach
b. in erosion of the beach*
c. in 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
These two factors are important in the development of dunes next to beaches
a. mostly unidirectional winds, sufficient sand supply*
b. much vegetation, humid climate
c. desert climate, multidirectional winds
d. desert climate, most;ly unidirectional winds
These are erosional coastal features
a. sea caves
b. tombolos
c. sea cliffs
d. wave-cut platforms
e. a,c,d*
Sea stacks indicate that the coast along which they occurs is eroding
a. True*
b. False
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
Drowned river mouths characterize
a. emergent coasts
b. submerged coasts*
Coral Reefs and atolls are landforms produced or modified by organisms
a. True*
b. False
Which part of the coast is submerged even at average low tide?
a. backshore
b. nearshore
c. foreshore
d. longshore
e. midshore
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
Which of the following is not a result of deposition?
a. baymouth bar
b. tombolo
c. sea stack
d. sandspit