ERS 108 Exam 1 (2)

30 Questions | Total Attempts: 35

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ERS Quizzes & Trivia

Practice Quiz for Exam 1 continued. . .  


Questions and Answers
  • 1. 
    Earth's shorelines:
    • A. 

      Are ancient and are a result of its time of formaiton.

    • B. 

      Change over time as plates interact.

    • C. 

      Have matured slowly from an intial state to a climax condition.

    • D. 

      Are unchanging over long periods of time.

  • 2. 
    Compared to the U.S. East Coast, the coastal zone on the U.S. West Coast is: 
    • A. 

      Very narrow.

    • B. 

      Much lower.

    • C. 

      Very wide.

    • D. 

      None of these.

  • 3. 
    A 19th Century classification of coasts by W. Morris Davis was based on: 
    • A. 

      Plate tectonic setting.

    • B. 

      Age of shoreline.

    • C. 

      Beahes and dunes.

    • D. 

      Maturity of the shoreline.

    • E. 

      Presence or absence of beaches.

  • 4. 
    Why is Maine's trailing edge coast rocky?
    • A. 

      It is becoming tectonically active.

    • B. 

      It is a Neo-type trailing edge coast.

    • C. 

      It was glaciated.

    • D. 

      None of these.

    • E. 

      No one knows.

  • 5. 
    A shallow estuary with a large tidal range is likely to be:
    • A. 

      Well stratified.

    • B. 

      Rocky.

    • C. 

      Relatively fresh.

    • D. 

      Well mixed.

    • E. 

      None of these.

  • 6. 
     An important component of river delta destruction involves:
    • A. 

      Flooding.

    • B. 

      Subsidence.

    • C. 

      Meandering.

    • D. 

      Crevasse splays.

    • E. 

      None of these.

  • 7. 
    Very high sediment yield leads to large river sediment discharges in: 
    • A. 

      Asia

    • B. 

      Africa

    • C. 

      North America

    • D. 

      Australia

    • E. 

      Siberia

  • 8. 
    Waves most effectively erode bedrock:
    • A. 

      In Arctic regions.

    • B. 

      In areas with small tidal ranges.

    • C. 

      In areas with large tidal ranges.

    • D. 

      Where granite is common.

    • E. 

      Behind sandy beaches.

  • 9. 
    Sea cliff erosion is a societal problem in: 
    • A. 

      Massachusetts.

    • B. 

      Maine

    • C. 

      California

    • D. 

      None of these places.

  • 10. 
    Federal laws:
    • A. 

      Prevent armoring of bluffs.

    • B. 

      Say nothing of armoring bluffs.

    • C. 

      Provide flood insurance to properties on bluffs.

    • D. 

      Require that homeowners on eroding bluffs move back.

  • 11. 
    Accommodating bluff erosion usually means: 
    • A. 

      Building armoring of bluffs.

    • B. 

      Creating a new environment to slow erosion.

    • C. 

      Living with the problem (doing nothing)

    • D. 

      Moving your house.

    • E. 

      None of these.

  • 12. 
    River sediment: 
    • A. 

      Rarely, if ever, escapes from estuaries.

    • B. 

      Rapidly fills estuaries.

    • C. 

      Escapes from estuaries to build deltas on the continental shelf.

    • D. 

      Does nto enter estuaries.

  • 13. 
    Under Maine's Shoreland Zoning Law, highly hazardous bluffs:
    • A. 

      Require houses built on them to have flood insurance.

    • B. 

      Require that vegetation be cleared annually.

    • C. 

      Cannot be walked on.

    • D. 

      Cannot be owned.

    • E. 

      Require that new houses be set back from their edge.

  • 14. 
    An autogenic landform would be: 
    • A. 

      A salt marsh.

    • B. 

      A tidal falt.

    • C. 

      A sea cliff.

    • D. 

      A beach.

    • E. 

      None of these.

  • 15. 
    The destruction of New Orleans by storm surge was:
    • A. 

      Inevitable.

    • B. 

      Unpredicted.

    • C. 

      Part of the delta cycle.

    • D. 

      Completely a result of natural causes.

    • E. 

      Completely a result of human activities.

  • 16. 
    As seacliff erodes, the rate of erosion is strongly influenced by:
    • A. 

      Fracture density.

    • B. 

      Tidal range.

    • C. 

      Wave energy.

    • D. 

      All of these.

    • E. 

      None of these.

  • 17. 
    The Mississippi River delta is presently: 
    • A. 

      Growing rapidly seaward.

    • B. 

      Adding land slowly.

    • C. 

      In a balance between land added the lost.

    • D. 

      Losing land rapidly.

  • 18. 
    List three mechanisms by which rivers transport sediment:
  • 19. 
    Identify the coastal tectonic setting that has the fewest large river deltas. 
  • 20. 
    Where does estuarine sediment ultimately come from? 
  • 21. 
    List three processes by which the ocean erodes bedrock:
  • 22. 
    List three general options a homeowner on a rapidly eroding bluff has to save his or her house:
  • 23. 
    Identify the geological term used to describe the rapid downslope movement of large masses of material:
  • 24. 
    Three factors that influence the shape of a river delta are:
  • 25. 
    Name an estuary in a drowned river valley.