GLY105 Beaches and Coasts Chapter 7 Quiz

Question 1The adjacent shallow marine waters along a beach comprise which region?

nearshore

foreshore

backshore

berm

Question 2If a nearshore environment has little sediment available, what can you predict about its slope/gradient?

shallow slope

steep slope

Question 3Which nearshore profile would yield the best conditions for sandbar development?

shallow slope

steep slope

Question 4Sandbars have a distinct sediment profile.  What can be said in terms of the sediment on the seaward side of the bar crest?

coarse sediments, poorly sorted

coarse sediments, well sorted

fine grained sediments, poorly sorted

fine grained sediments, well sorted

Question 5Which feature along a coastline is typically the one to develop rip currents?

ridge and runnel

storm ridge

innermost bar

outermost bar

Question 6Flat sediments that typically slope toward the sea that are also impacted by swash comprise which region?

foreshore

nearshore

backshore

berm

Question 7Depositional type coastlines will typically display which type of beach?

dissipative

reflective

Question 8Along a coastline that experiences high wave energy and is located in the higher latitudes, which type of beach sediment would be most likely?

 

sand

gravel

volcanic glass

mud

Question 9The presence of heavy mineral lag deposits on a beach indicates:

an accretionary beach cycle

an erosive (storm) beach cycle

a dissipative beach

Question 10Why are 60-80% of beaches presently experiencing high rates of erosion?

sea level rise

stronger storms

building and manufacturing along the coastline

all of the above