ERS 108 1st Exam

25 Questions | Total Attempts: 33

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ERS Quizzes & Trivia

Short quiz for Beaches and Coasts Exam.  


Questions and Answers
  • 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?