ERS 108 1st Exam
Short quiz for Beaches and Coasts Exam.
- 1.Water for earth's oceans probably came (ultimately) from:
- A.
The sun
- B.
The moon
- C.
Comets
- D.
Anotehr galaxy
- 2.Compared to the U.S. West Coast, the coastal zone on the U.S. East Coast Is:
- A.
Very narrow
- B.
Much rocker
- C.
Very wide
- D.
None of these
- 3.The most globally applicable classification of coastal environments is based on:
- A.
Plate tectonic setting
- B.
Age of shoreline
- C.
Relative sea level change
- D.
Maturity of coast
- E.
Presence of absence of beaches.
- 4.Collision coasts are best characterized by:
- A.
Seacliffs
- B.
Muddy bluffs
- C.
Barrier islands
- D.
Deltas
- E.
Estuaries
- 5.A fjord typically has circulation that is:
- A.
Well mixed
- B.
Partly mixed
- C.
Reverse estuarine
- D.
Well stratified
- E.
None of these
- 6.An important component of river detla upbuilding involves?
- A.
Flooding
- B.
Subsidence
- C.
Mudlumps
- D.
Compaction
- E.
Isostasy
- 7.The easiest rock type for waves to erode is generally:
- A.
An igneous rock
- B.
A sedimentary rock
- C.
A metamorphic rock
- D.
They are equally easy to erode
- 8.Freeze/thaw action erodes rocks most rapidly:
- A.
Below low tide
- B.
Above high tide
- C.
In tropical areas
- D.
In arctic areas
- 9.How might a homeowner on an eroding bluff best reduce the rate of erosion:
- A.
Cut down trees in the area
- B.
Throw palnt debris on the bluff face
- C.
Harden the bluff face by riding an ATV up and down it
- D.
Draining water from the ground near the bluff
- E.
Watering teh bluff top lawn more
- 10.What would be the consequence of arming the Sandy Point bluff:
- A.
Beach erosion
- B.
Marsh erosion
- C.
No consequence
- D.
Water contamination
- 11.Wave action most effectively erodes sea cliffs:
- A.
Below low tide
- B.
At the mid-tide elevation
- C.
At or just above the high tide elevation
- D.
High above the high tide elevation
- 12.Under Maine's Shoreland Zoning Law, bluffs with houses on them:
- A.
Cannot be protected with armor
- B.
Cannot be cleared of all vegetation
- C.
Cannot be walked on
- D.
Cannot be owned
- E.
None of these
- 13.The most likely coastal environment to form as a result of glacial till erosion on an open coast is a:
- A.
Salt marsh
- B.
Tidal flat
- C.
Sea cliff
- D.
Beach
- 14.The coast of Rockland, Maine is geologically best known for its:
- A.
Landslides
- B.
Sea cliffs
- C.
Sea caves
- D.
Sea arches
- E.
Sea stacks
- 15.Douglas Johnson's classification of coasts was based on:
- A.
The age of the coast
- B.
The tectonic setting of the coast
- C.
The relative maturity of the shore
- D.
The kind of bedrock present
- E.
Non of these
- 16.What are the names of the three plate boundaries?
- 17.Which of the coastal tectonic settings typically has the least amount of sediment?
- 18.List four possible sources of estuarine sediment:
- 19.The process by which incoming waves compress air into rock fractures and wedge open rocks is called?
- 20.List three general optionsa homeowner on a rapidly eroding bluff has to save his or her house:
- 21.The slow downslope movement of large masses of material is called?
- 22.Name a river delta whose shape is most influenced by waves:
- 23.Name an estuary formed by tectonic processes; name an estuary formed by beach growth:
- 24.The collapse of a sea arch leads directly to the formation of?
- 25.River sediment cannot escape from estuaries because of?
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