GLY105 Beaches and Coasts Barrier Systems Quiz

Question 1Barrier systems are separated from the mainland by the ________________________.

frontbarrier

backbarrier

sidebarrier

tombolo

Question 2In regions where sediment is abundant _________________ barriers typically develop.

wide

narrow

Question 3In addition to sedimentation, barrier size is also influenced by which factor(s)?

wave regime

tidal regime

both a and b

none of the above

Question 4The most dynamic feature of barriers is the:

beach

barrier interior

landward margin

Question 5What is a swale?

waves with a strong uprush

a species of opportunistic vegetation

the area where the barrier ends in a lagoon or bay

the area in between dune ridges on a barrier

Question 6If the backbarrier shows signs of overwash deposits, then the barrier itself is most likely:

prograding

retrograding

aggrading

Question 7Barrier islands are cross cut by:

overwash deposits

tidal flats

tidal inlets

barrier spits

 

Question 8The most unstable portion of a barrier island is the area closest to the:

 landward margin

 bay or lagoon

frontal dune ridge

tidal inlet

Question 9Tectonically speaking, barrier systems are most commonly found along which type of coastline?

amero trailing

afro trailing

collision coast

neo trailing

Question 10The largest barrier system anywhere on Earth is located where?

Gulf Coast US

East Coast India

West Coast US

East Coast US