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25 July 2022
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45 test answers

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false
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The nearshore is equivalent to the intertidal zone.
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foreshore.
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The section of the coast that is exposed at low tide and submerged at high tide is called the:
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is related to whatever material is locally available.
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The particle size on a beach:
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a wave set approaching parallel to the shore head-on
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What condition would create a weak longshore current?
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true
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A summer recreational beach typically has more sediment on it than a winter recreational beach.
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true
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The longshore current is caused by waves striking the beach at an angle.
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are narrower than summer beaches due to high-energy waves during the winter.
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Winter beaches:
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heavy winter wave activity moves the sand out to the longshore bar and uncovers the rocks underneath the sand
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Southern California beaches in winter typically are narrow and rocky. That is because __________.
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A beach dominated by swash Light wave activity (small waves) Higher beach infiltration rates
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Of the following conditions, which result in the accumulation of sand on the berm, thereby making the berm wider?
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false
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Erosional coasts are characterized by features of accumulated sand/pebble/rock that are eroded elsewhere and deposited on shore where longshore currents slow.
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true
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Sea caves and sea stacks are more likely to occur in an area with hard bedrock.
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true
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A spit is a coastal feature of sand deposited in the direction of the longshore drift from shore toward deeper water into the mouth of a bay.
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low wave-energy areas.
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Eroded material is carried along coastlines from high wave-energy areas to:
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direction of the longshore current.
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The rate of wave erosion along a coastline is determined by all the following except the:
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marine terraces.
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All the following are characteristic of depositional shores except :
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beach, dune, barrier flat, high marsh, low marsh
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If one were to walk from the ocean landward across a barrier island complex, in which order would one encounter the following environments?
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deltas.
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Large deposits of sediment at the mouths of rivers are called:
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d
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A. marine terrace B. sea arches C. sea caves D. tombolo E. wave-cut cliffs
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deltas
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Features of a depositional coast may include spits, barrier islands, tombolos, and __________.
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dams were removed from streams flowing to the coast
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Southern California beaches would have more sand if __________.
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all except: A large volume of sediment input
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Of the following characteristics or features, which is/are associated with erosional shores?
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Sea level would decrease due to isostatic adjustment.
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What would you expect to happen to sea level along the Antarctic coastline if the ice cap covering the continent melted?
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true
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Eustatic changes in sea level refer to worldwide changes in the volume of seawater or in the volume of the ocean basins.
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marine terraces.
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Submerging shorelines might have all of the following characteristics except:
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increased glacial melting due to the global warming.
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Eustatic changes in sea level might include:
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d
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A. formation of large inland lakes B. increased seafloor spreading rates C. melting glacial ice D. melting sea ice E. uplifted continental crust
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all except: Submerged river valleys
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Of the following features or conditions, which is/are related to emerging shorelines? Of the following features or conditions, which is/are related to emerging shorelines?
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all except: When the rate of sea floor spreading increases, global sea level is lowered.
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Of the following statements about global sea level, which is/are true?
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true
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The Gulf coast of the United States is an example of a coast where tectonic subsidence occurs.
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emerging shorelines: drowned beaches
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Which of the following pairs does not belong together?
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crystalline bedrock of New England
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Which of the following landforms shows the least amount of erosion along U.S. coasts?
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northern Atlantic coast
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Nor'easters affect which area of the U.S. coastline during the fall and winter months?
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northern Maine
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Along U.S. coasts, a drop in sea level can be noted at __________.
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relocate the structure
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You are an engineer assigned to design a solution to protect a historic landmark threatened by coastal erosion. What scenario would have the least impact on natural coastal processes and be the most cost effective?
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false
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Seawalls are quite effective at controlling beach erosion.
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false
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Alternatives to hard stabilization to protect coastlines from erosion include construction restrictions, relocation of structures, and construction of seawalls.
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All of these are used to try to prevent or retard shoreline erosion.
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Which of the following is designed to prevent or retard shoreline erosion?
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seawalls.
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All the following are alternatives to hard stabilization except :
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cost
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The primary drawback of beach nourishment as a remedy for beach erosion is __________.
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Groins can be constructed out of large blocky rocky material (rip-rap) or of sturdy wood pilings. Groins can be singular or many.
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Of the following statements about groins, which is/are true?
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flows parallel to shore within surf zone
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Match the term with the appropriate phrase. longshore current
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beyond the low-tide breakers
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Match the term with the appropriate phrase. offshore
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depositional shore
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Match the term with the appropriate phrase. barrier island
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depositional shore
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Match the term with the appropriate phrase. spit
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erosional shore
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Match the term with the appropriate phrase. wave-cut cliffs