Quiz Instructions

Your essay answer should be clear and succinct, amounting to perhaps 3-5 sentences totaling 50 to 80 words; longer essays are strongly discouraged. It is recommended that you prepare your answer in a separate document from which you copy it into Canvas.

Question 1 5 pts

What is longshore transport, how is it generated, and what effect does it have on shorelines?

A strong answer will describe the process of longshore transport describing how it is produced through wave action and its influence on the movement of sand along beaches.

Question 2 2 pts

The image presents a systematic cross-section of a beach profile with the ocean on the right. Such shorelines are by four divisions.

Zones 1 and 2

[ Choose ]Nearshore and farshore, respectivelyBackshore and nearshore, respectivelyInshore and offshore, respectivelyBackshore and foreshore, respectivelyForeshore and backshore, respectivelyNearshore and offshore, respectively

Zones 3 and 4

[ Choose ]Nearshore and farshore, respectivelyBackshore and nearshore, respectivelyInshore and offshore, respectivelyBackshore and foreshore, respectivelyForeshore and backshore, respectivelyNearshore and offshore, respectively

Question 3 2 pts

The image presents a systematic cross-section of a mature barrier island, from a lagoon on the left to the ocean on the right. Such barrier islands can typically be divided into four different parts: the locations of the beach and back-island flat are shown on the image and the two other parts are labelled A and B. Which names are most appropriate for these two parts?

Location A

[ Choose ]Sand FlatSalt marshDuneBermSwaleGrasslands

Location B

[ Choose ]Sand FlatSalt marshDuneBermSwaleGrasslands

Question 4 1 pts

How do sand dunes develop in coastal regions and on barrier islands?

Through wind-driven saltation of sand grain on the windward slope and sand slumping on the leeward slope

Through wind-driven saltation of sand grain on the leeward slope and sand slumping on the windward slope

Through vertical accretion of wind-blown sand layers

Through lateral accretion of wind-blown sand layers

Through accumulation of wave deposited sand layers