Geography 321 - The United States » Summer 2023 » Part IV Video Quiz 1 Alabama Gulf Coast

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Question #1
Alabama Gulf Coast video: https://mediaplayer.pearsoncmg.com/assets/secs-geog-mft-gulf-coast. Alabama’s Gulf Coast sand originally came from where?
A.   the Missouri River
B.   Coastal dunes
C.   plains of Texas
D.   the Mississippi River
E.   the Appalachian Mountains
Question #2
Alabama Gulf Coast video: https://mediaplayer.pearsoncmg.com/assets/secs-geog-mft-gulf-coast What term describes the local currents that flow parallel to a shore and transport sediment?
A.   longshore currents
B.   backshore currents
C.   bayshore currents
D.   foreshore currents
E.   nearshore currents
Question #3
Alabama Gulf Coast video: https://mediaplayer.pearsoncmg.com/assets/secs-geog-mft-gulf-coast Why have the beaches on Dauphin Island become smaller over the last few decades?
A.   Oyster beds have started to propagate at an alarming rate, taking up valuable sand for creating pearls.
B.   Sea levels have risen a meter globally in the past five years, drowning Dauphin Island’s beaches.
C.   Damming of the Mobile River has blocked the flow of sediments into the bay.
D.   Sand dredged from the mouth of Mobile Bay has reduced the supply of sand to Dauphin Island.
E.   Strong winds have blown sand off the island into Mobile Bay.
Question #4
Alabama Gulf Coast video: https://mediaplayer.pearsoncmg.com/assets/secs-geog-mft-gulf-coast To survive, beaches need a constant supply of what?
A.   wind-blown sediment
B.   Dredging
C.   Tourists
D.   Sand
E.   erosion
Question #5
Alabama Gulf Coast video: https://mediaplayer.pearsoncmg.com/assets/secs-geog-mft-gulf-coast What two main driving forces produce a barrier island’s perceived migration?
A.   changes in sediment supply and sea-level fluctuation
B.   changes in groin spacing and sediment supply
C.   changes in beach width and sediment supply
D.   changes in groin spacing and sea-level fluctuation
E.   changes in beach width and sea-level fluctuation
Question #6
Alabama Gulf Coast video: https://mediaplayer.pearsoncmg.com/assets/secs-geog-mft-gulf-coast Dauphin Island:
A.   Receives a steady replenishment of imported sand for its beaches.
B.   Is oriented perpendicular to the coast, moving closer and further away as sediment supply changes.
C.   Has lost a lot of sand in the last few decades due to erosion, human intervention, and local storms exacerbated by climate change.
D.   Is part of a series of barrier islands lining much of the United State’s Southwest and East coasts.

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