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

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