Oceanography CHapter5-9 Baker OCC

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Oceanography CHapter5-9 Baker OCC
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Oceanography Chapter5 Baker OCC
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Oceanography CHapter5-9 Baker OCC
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  1. What is the correct order of sediment size from smallest to largest?
    A. clay, silt, sand, granule, pebble, cobble, boulder.
    B. silt, clay, sand, granule, pebble, boulder, cobble.
    C. silt, clay, sand, granule, cobble, pebble, boulder
    D. clay, silt, sand, pebble, granule, boulder, cobble.
    A. clay, silt, sand, granule, pebble, cobble, boulder.
    (this multiple choice question has been scrambled)
  2. The volume of terrigenous sediments exceeds that of biogenous sediments, but, biogenous material covers a greater area of seabed.

    True or False?
    True
  3. Which of the sediments comprises the smallest percent of all ocean floor area covered?
    A. Cosmogenous
    B. Silt
    C. Hydrogenous
    D. Terrigenous
    E. Biogenous
    A. Cosmogenous
    (this multiple choice question has been scrambled)
  4. In terms of transit time to the seafloor, which of the following sediments is faster.
    A. Silt
    B. Clay
    C. Sand
    d. None of the above
    C. Sand
    (this multiple choice question has been scrambled)
  5. Sediments originate from what source(s)?
    A. weathering and erosion of rock
    B. activity of living organisms
    C. volcanic eruptions
    D. chemical processes within the water
    E. All of the choices are correct
    E. All of the choices are correct
    (this multiple choice question has been scrambled)
  6. Sediments that are gray in color contain iron, and those that are tan to chocolate brown have a high silica content.

    True or False?
    False
  7. Which of the following is a classification of sediments based on source?
    A. None of the choices
    B. Clay
    C. Boulder
    D. Silt
    E. Biogenous
    E. Biogenous
    (this multiple choice question has been scrambled)
  8. Manganese nodules and phosphorite deposit are classified as what type of sediment?
    A. biogenous
    B. silt
    C. cosmogenous
    D. hydrogenous
    E. clay
    D. hydrogenous
    (this multiple choice question has been scrambled)
  9. Although estimates vary, about 15 billion metric tons of sediments are transported in rivers to the sea each year, with an additional 100 million metric tons transported annually from land to ocean as fine airborne dust and volcanic ash.
    A. Silt
    B. Biogenous
    C. Terrigenous
    D. Clay
    E. Manganese nodules
    C. Terrigenous
    (this multiple choice question has been scrambled)
  10. What is the second most abundant marine sediment?
    A. Hydrogenous
    B. Biogenous
    C. None of the choices
    D. Terrigenous
    E. Cosmogenous
    B. Biogenous
    (this multiple choice question has been scrambled)
  11. Sediments with a biological origin are made up of what compounds?
    A. Both Silicon and Calcareous
    B. Calcareous
    C. Iron
    D. Silicon
    E. Porous
    A. Both Silicon and Calcareous
    (this multiple choice question has been scrambled)
  12. Hydrogenous sediments are also known as authigenic sediments because they were formed in the place they now occupy.

    True or False?
    True
  13. Sediments of the continental shelf are called:
    A. granite
    B. neritic
    C. pelagic
    D. transgenic
    E. oceanic
    B. neritic
    (this multiple choice question has been scrambled)
  14. Sediment of the deep ocean floors including the slope and the rise are called:
    A. basalt
    B. pelagic
    C. neritic
    D. oceanic
    E. granite
    B. pelagic
    (this multiple choice question has been scrambled)
  15. The average thickness of marine sediments is greatest on the deep ocean floor.

    True or False?
    False
  16. Underwater avalanches, called turbidity currents, result in graded layers of terrigenous deposits on the ocean floor called:
    A. Manganese nodules
    B. Phosphorite deposits
    C. Turbidites
    D. Clay
    E. None of the choices
    C. Turbidites
    (this multiple choice question has been scrambled)
  17. Calcareous oozes are formed mainly from:
    A. None of the choices
    B. chemical reactions in the water
    C. interaction of saline water with tektites
    D. the shells of foraminifera, pteropods, and coccolithophores
    D. the shells of foraminifera, pteropods, and coccolithophores
    (this multiple choice question has been scrambled)
  18. The rate at which calcareous sediments are supplied to the seabed equals the rate at which those sediments dissolve is called the...
    A. Marine snow
    B. None of the choices
    C. Calcium carbonate compensation depth
    D. Silica dioxide compensation depth
    C. Calcium carbonate compensation depth
    (this multiple choice question has been scrambled)
  19. How could such tiny particles of biogenous sediments reach the ocean floor fast?
    A. The surface currents transport them
    B. None of the choices
    C. When they die, they become denser
    D. They are compressed into fecal pellets
    D. They are compressed into fecal pellets
    (this multiple choice question has been scrambled)
  20. The White Cliffs of Dover are partially lithified deposits composed largely of:
    A. diatoms and radiolaria
    B. radiolaria and dinoflagellates
    C. foraminifera and coccolithophores
    D. pteropods and diatoms
    C. foraminifera and coccolithophores
    (this multiple choice question has been scrambled)
  21. During the day, air over land heats up more rapidly than air over water, resulting in a small zone of low pressure over the land near the shore.

    True or False?
    True
  22. As air descends it warms and can hold more moisture.

    True or False?
    True
  23. Atmospheric pressure systems in the Mid-latitudes generally migrate from west to east.

    True or False?
    True
  24. A low-pressure system is often associated with stormy weather because rising air warms and holds little moisture.

    True or False?
    True
  25. A cyclone rotates in which direction in the Southern Hemisphere? (Select all that apply.)
    A. clockwise
    B. all of the choices are correct
    C. counterclockwise
    D. east to west
    E. west to east
    B. all of the choices are correct
    (this multiple choice question has been scrambled)
  26. The band of low pressure, calm winds, and clouds in tropical latitudes where air converges is called the

    a. Intertropical c.onvergence Zone.
    b. tropical easterlies.
    c. equatorial trough.
    d. trade winds.
    e. Hadley cell.
    • a. Intertropical c.onvergence Zone.
    • c. equatorial trough.
  27. Select all of the following statements that are true about anticyclones.
    a. An anticyclone spins clockwise in the Southern Hemisphere and counterclockwise in the Northern Hemisphere.
    b. An anticyclone is also known as a high pressure system.
    c. An anticyclone spins clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere.
    d. An anticyclone has air diverging at the surface.
    e. An anticyclone has air converging at the surface.
    • b. An anticyclone is also known as a high pressure system.
    • c. An anticyclone spins clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere.
    • d. An anticyclone has air diverging at the surface.
  28. In which direction do surface winds of the tropical Northern Hemisphere flow?
    A. westerly
    B. southeasterly
    C. northeasterly
    D. easterly
    C. northeasterly
    (this multiple choice question has been scrambled)
  29. How is atmospheric pressure measured?

    A. in millibars
    B. in micrometers
    C. in newtons
    D. in cubic yards
    A. in millibars
    (this multiple choice question has been scrambled)
  30. The Gulf Stream is a good example of a(n)
    A. Coriolis force.
    B. thermohaline circulation.
    C. downwelling current.
    D. gyre.
    E. upwelling current.
    D. gyre.
    (this multiple choice question has been scrambled)
  31. The __________ is(are) the side of a mountain range that faces oncoming winds.

    A. leeward side
    B. valley breeze
    C. katabatic winds
    D. windward side
    E. chinook winds
    D. windward side
    (this multiple choice question has been scrambled)
  32. The seasonal change in wind direction that occurs in subtropical locations due to the migration of the ITCZ and STH is known as

    A. monsoon.
    B. land breeze.
    C. Rossby waves.
    D. katabatic winds.
    E. sea breeze.
    A. monsoon.
    (this multiple choice question has been scrambled)
  33. The __________ is(are) rivers of high-speed air in the upper atmosphere that flows along the polar front.
    A. Rossby waves
    B. Polar Front jet stream
    C. None of the choices is correct.
    D. meridional flow
    E. zonal flow
    B. Polar Front jet stream
    (this multiple choice question has been scrambled)
  34. Undulations that develop in the Polar Front jet stream when significant temperature differences exist between tropical and polar air masses are called the
    A. Polar Front jet stream.
    B. meridional flow.
    C. zonal flow.
    D. Rossby waves.
    E. None of the choices is correct.
    D. Rossby waves.
    (this multiple choice question has been scrambled)
  35. The winds that prevail in the Mid-latitudes are the

    A. westerlies.
    B. northerlies.
    C. southerlies.
    D. easterlies.
    E. trade winds.
    A. westerlies.
    (this multiple choice question has been scrambled)
  36. The contact in the Mid-latitudes between warm, tropical air, and colder polar air is known as the

    A. Polar Front.
    B. Subtropical High-Pressure System.
    C. Intertropical Convergence Zone.
    D. Hadley cell.
    E. Polar High.
    A. Polar Front.
    (this multiple choice question has been scrambled)
  37. A large-scale convection loop in the tropical latitudes that connects the Intertropical Convergence Zone and the Subtropical High.
    A. Polar Front
    B. Intertropical c.onvergence Zone
    C. Polar High
    D. Subtropical High-Pressure System
    E. Hadley cell
    E. Hadley cell
    (this multiple choice question has been scrambled)
  38. The band of high air pressure, calm winds, and clear skies that exist at about 25–30° N and S latitude is called the

    A. Subtropical High (Hadley) Pressure System.
    B. Hadley cell.
    C. Polar Front.
    D. Intertropical Convergence Zone.
    e Polar High.
    A. Subtropical High (Hadley) Pressure System.
    (this multiple choice question has been scrambled)
  39. The primary wind system in the tropics that flows toward the ITc.Z on the equatorial side of the Subtropical High-Pressure System is known as the
    A. tropical easterlies.
    B. Hadley cell.
    C. trade winds.
    D. Intertropical c.onvergence Zone.
    E. equatorial trough.
    C. trade winds.
    (this multiple choice question has been scrambled)
  40. The Coriolis force is the force
    A. that causes winds to move perpendicular to isobars because of the combined effect of the pressure gradient force and geostrophic force.
    B. that causes winds to move parallel to isobars because of the combined effect of the pressure gradient force and geostrophic force.
    C. created by the earth’s rotation that causes winds to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
    D. created by the earth’s rotation that causes winds to be deflected to the left in the Northern Hemisphere and to the right in the Southern Hemisphere.
    E. that makes air rise, move horizontally, sink, and move horizontally back to where they originally rose, making a loop.
    C. created by the earth’s rotation that causes winds to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
    (this multiple choice question has been scrambled)
  41. When isobars are close together, it means
    A. there are no or light surface winds.
    B. there is a high-pressure system nearby.
    C. there is a low-pressure system nearby.
    D. there are strong surface winds.
    E. it is going to rain.
    D. there are strong surface winds.
    (this multiple choice question has been scrambled)
  42. The ultimate cause for all wind patterns on earth is
    A. a consequence of gravity and the mass of air at different elevations.
    B. unequal surface elevations.
    C. the pressure gradient’s coriolis force.
    D. the unequal heating of land surfaces.
    E. density differences due to elevation.
    D. the unequal heating of land surfaces.
    (this multiple choice question has been scrambled)
  43. On a map, lines of equal air pressure are called
    A. isotherms.
    B. isopachs.
    C. contours.
    D. isohyets.
    E. isobars.
    E. isobars.
    (this multiple choice question has been scrambled)
  44. During a sea breeze, the air flows from the land to the sea.

    True or False?
    False
  45. What is atmospheric pressure?
    Atmospheric pressure is the force that air molecules exert on a surface due to their weight.
  46. How is atmospheric pressure measured?
    The pressure of atmosphere is measure by the height of a column of mercury that can be supported by that pressure.
  47. Is warm air lighter or heavier than cool air? Does it rise or sink?
    Warm air is lighter than cool air so it tends to rise while cool air sinks.
  48. Does air pressure increase or decrease with altitude?
    Air pressure decreases with altitude.
  49. Lower Density = Lower or Higher Pressure?
    • Lower Density = Lower Pressure and
    • Higher Density = Higher Pressure
  50. What is a high pressure system?
    • anticyclone
    • circulating body of air
    • descending air
    • clockwise circulation in N. Hemisphere

    A high pressure system is a rotating column of air that descends toward the surface of Earth where it diverges.
  51. Higher altitude = Higher or Lower Barometric Pressure?
    Higher altitude = Lower Barometric Pressure

    When Barometric pressure drops you will see weather.
  52. What is a low pressure system?
    • cyclone
    • circulating body of air
    • rising air
    • counter-clockwise circulation in N. Hemisphere

    A low pressure system is a rotating column of air where air converges at the surface and subsequently lifts.
  53. What four things affect Direction of Air Flow?
    • unequal heating of land surfaces
    • pressure gradient force
    • Coriolis force
    • frictional force
  54. What is El Nino?
    • Reversal of normal water flow in the Pacific
    • Occurs ever 3 - 8 years
    • Called El Nino by Peruvian fisherman in honor or Christ
    • Occurs near Christmas
  55. Water is a powerful....
    A. solvent
    B. ion
    C. bond
    D. solute
    E. cyle
    A. solvent
    (this multiple choice question has been scrambled)
  56. Which of the following is usually a liquid, and is always the more abundant constituent?
    A. solution
    B. solvent
    C. none of the choices
    D. solute
    E. mixture
    B. solvent
    (this multiple choice question has been scrambled)
  57. Water's dissolving power results from:
    A. it's strong covalent bonds that hold the hydrogens to the oxygen
    B. none of the choices
    C. it's cohesive nature
    D. it's polar nature
    E. it's ability to evaporate
    D. it's polar nature
    (this multiple choice question has been scrambled)
  58. Water dissolves sodium chloride (or NaCl), the most common salt, into it's constituent ions:
    A. Na- and Cl+
    B. Na+ and Cl-
    C. Na and Cl
    D. NaCl does not dissolve in water
    B. Na+ and Cl-
    (this multiple choice question has been scrambled)
  59. What is the measurement of Seawater's total dissolved inorganic solids?
    A. density
    B. temperature
    C. transmissometry
    D. salinity
    E. dissolved oxygen
    D. salinity
    (this multiple choice question has been scrambled)
  60. By weight, seawater is about water, and dissolved substances, most of which are salts of various kinds.
    A. 96.5%; 3.5%
    B. 10%; 90%
    C. 65%; 35%
    D. none of the choices
    E. 90%; 10%
    A. 96.5%; 3.5%
    (this multiple choice question has been scrambled)
  61. Which of the following is the most abundant ion in seawater?
    A. Chloride
    B. Magnesium
    C. Sulfate
    D. None of the choices
    E. Sodium
    A. Chloride
    (this multiple choice question has been scrambled)
  62. Which of the following is a colligative property of seawater?
    A. The heat capacity of water decreases with increasing salinity
    B. As salinity increases, freezing point increases
    C. Osmotic pressure decreases as salinity increases
    D. As salinity increases, evaporation speeds up
    E. All of the choices are correct
    A. The heat capacity of water decreases with increasing salinity
    (this multiple choice question has been scrambled)
  63. All of the following represent ways that ions are added to seawater EXCEPT:
    A. All of the choices are correct
    B. Ground water and rivers running off crustal rocks
    C. Volcanic activity
    D. Incorporation into sediments
    E. Hydrothermal vents and cold springs
    D. Incorporation into sediments
    (this multiple choice question has been scrambled)
  64. How are ions removed from the ocean?
    A. Incorporation into living organisms
    B. Sea spray
    C. Subduction
    D. All of the choices
    D. All of the choices
    (this multiple choice question has been scrambled)
  65. Which of the following is NOT TRUE of the Forschhammers Principle?
    A. It is also known as the Principle of Constant Proportions
    B. All of the choices are not true
    C. It states that although the salinity may vary, the ratio of major salts is constant
    D. Is a measure of alkalinity or acidity
    D. Is a measure of alkalinity or acidity
    (this multiple choice question has been scrambled)
  66. Oxygen is the most abundant gas in the atmosphere and the ocean.

    True or False
    False
  67. The ocean is becoming progressively saltier with age because ions are being added via hydrothermal vents, and volcanoes etc., but, they are not being removed by any natural process.

    True or False
    False
  68. Salinity can be determined by measuring what constituent in the sample?
    A. Oxygen
    B. Nitrogen
    C. Carbon dioxide
    D. Chlorinity
    D. Chlorinity
    (this multiple choice question has been scrambled)
  69. The photosynthetic activity of marine plants and phytoplankton cause:
    A. Oxygen to be low near the surface
    B. Carbon dioxide to be abundant at the surface
    C. Oxygen to be abundant at the surface
    D. Both Oxygen to be low near the surface AND Carbon dioxide to be abundant at the surface are correct
    E. Both Oxygen to be abundant at the surface AND Carbon dioxide to be low near the surface are correct
    F. Carbon dioxide to be low near the surface
    E. Both Oxygen to be abundant at the surface AND Carbon dioxide to be low near the surface are correct
    (this multiple choice question has been scrambled)
  70. The pH scale measures acidity or alkalinity of a substance.

    True or False?
    True
  71. A substance that releases hydrogen ions (H+) in solution is referred to as...
    A. An alkaline substance
    B. An acid
    C. A base
    D. None of the choices
    B. An acid
    (this multiple choice question has been scrambled)
  72. Seawater is more alkaline (8.0) than pure water (7.0).

    True or False?
    True
  73. A solution that tends to resist change in pH is called...
    A. A buffer
    B. None of the choices
    C. A base
    D. An acid
    E. An alkaline solution
    A. A buffer
    (this multiple choice question has been scrambled)
  74. Lakes with freshwater tend to be better buffers than seawater.

    True or False?
    False
  75. Worldwide extremes of surface temperature are minimized by water evaporated from the ocean surface and moved by:
    A. Centrifugal Force
    B. Wind
    C. Currents
    D. Magnetism
    B. Wind
    (this multiple choice question has been scrambled)
  76. The state of the atmosphere at a specific time and place is known as
    A. Weather
    B. Atmosphere
    C. Temperature
    D. Climate
    A. Weather
    (this multiple choice question has been scrambled)
  77. On a global basis about 90% of the incoming energy is absorbed by Earth’s land and water surface.

    True or False?
    False
  78. The Earth’s tilt causes the seasons.

    True or False?
    True
  79. Global circulation of air is governed by:
    A. Uneven solar heating
    B. Tropical cyclones
    C. Even solar heating
    D. Atmospheric decompression
    A. Uneven solar heating
    (this multiple choice question has been scrambled)
  80. The coriolis effect causes objects in the northern hemisphere to deflect...
    A. clockwise
    B. to the left
    C. to the right and clockwise
    D. to the right
    E. to the left and counterclockwise
    F. counterclockwise
    C. to the right and clockwise
    (this multiple choice question has been scrambled)
  81. The mid-latitude circulation cells of each hemisphere is called the:
    A. Hadley Cells
    B. Ferrel Cells
    C. Polar Cells
    D. Intertropical Convergence Zone (ITCZ)
    B. Ferrel Cells
    (this multiple choice question has been scrambled)
  82. How many atmospheric circulation cells are there globally?
    A. 6
    B. 12
    C. 1
    D. 3
    E. 2
    A. 6
    (this multiple choice question has been scrambled)
  83. At sea, there are areas of high atmospheric pressure and little surface wind called the subtropical high, and occur at 30 degrees north or south latitude are also known as _____.
    A. Doldrums
    B. Horse latitudes
    C. Trade winds
    D. Westerlies
    B. Horse latitudes
    (this multiple choice question has been scrambled)
  84. Three large atmospheric circulation cells - Hadley cell, a Ferrel cell, and a polar cell - exist in each hemisphere.

    True or False?
    True
  85. Out of all the gaseous substances in the atmosphere, which one is the most plentiful?
    A. Hydrogen
    B. Neon
    C. Nitrogen
    D. Oxygen
    E. Water vapor
    C. Nitrogen
    (this multiple choice question has been scrambled)
  86. The temperature and water content of air greatly influences it's density. Humid air is more dense than dry air at the same temperature because molecules of water vapor have more mass than nitrogen and oxygen molecules that it displaces.

    True or False?
    False
  87. Warm air
    A. is air that has expanded.
    B. can hold less water vapor than cold air.
    C. None of the choices.
    D. can hold more water vapor than cold air.
    D. can hold more water vapor than cold air.
    (this multiple choice question has been scrambled)
  88. Why doesn't the polar ocean freeze solid and the equatorial ocean boil away?
    A. c.Water vapor transfers heat between the tropics and the poles.
    B. b.The water itself moves huge amounts of heat between the tropics and the poles.
    C. e. Both B and D
    D. d. The icebergs and glaciers transport cool water to the tropics
    E. a. Both B and C
    F. f. Both C and D
    E. a. Both B and C
    (this multiple choice question has been scrambled)
  89. Masses of moving air account for about 1/3 of the poleward transfer of heat while ocean currents move the other 2/3.

    True or False?
    False
  90. The coriolis effect does not cause the wind; it only influences the wind's direction.

    True or False?
    True
  91. Sailors have a special term for the calm equatorial areas where the surface winds of the two Hadley cells converge, it is known as:
    A. The horse latititudes
    B. Nor'easters
    C. Trade winds
    D. Doldrums
    D. Doldrums
    (this multiple choice question has been scrambled)
  92. A pattern of wind circulation that changes with the season. The areas that experience these patterns are subject to wet summers and dry winters.
    A. Sea breeze
    B. Monsoon
    C. Land breeze
    D. Typhoons
    B. Monsoon
    (this multiple choice question has been scrambled)
  93. Regional atmospheric disturbances characterized by strong winds often accompanied by precipitation are called:
    A. None of the choices
    B. Storms
    C. Weather
    D. Wind
    E. Climate
    B. Storms
    (this multiple choice question has been scrambled)
  94. An extra-tropical cyclone forms between two air masses, and a tropical cyclone forms within one air mass.

    True or False?
    True
  95. Large tropical cyclones are called:
    A. Tropical Cyclones in the Indian Ocean
    B. All of the choices are correct
    C. Willi-willis in the waters near Australia
    D. Hurricanes in the North Atlantic and East Pacific
    E. Typhoons in the Western Pacific
    B. All of the choices are correct
    (this multiple choice question has been scrambled)
  96. Which of the following aspects of a tropical cyclone can cause property damage and loss of life?
    A. Rain and Wind
    B. Storm Surge
    C. Wind
    D. Rain, Wind and Storm Surge
    E. Rain
    D. Rain, Wind and Storm Surge
    (this multiple choice question has been scrambled)
  97. What was the United States most costly natural disaster?
    A. Hurricane Ike
    B. Hurricane Agnes
    C. Hurricane Katrina
    D. Hurricane Wilma
    C. Hurricane Katrina
    (this multiple choice question has been scrambled)
  98. Surface currents are primarily driven by:
    A. wind
    B. density
    C. the coriolis effect
    d. none of the above
    A. wind
    (this multiple choice question has been scrambled)
  99. About 10% of the water in the world ocean is involved in:
    A. The Gulf Stream
    B. Surface Currents
    C. Langmuir circulation
    D. Thermohaline Circulation
    B. Surface Currents
    (this multiple choice question has been scrambled)
  100. Because of the coriolis effect, surface currents in the Northern Hemisphere flow to the left of the wind direction.

    True or False?
    False
  101. Continents and basin topography often block continuous flow and help deflect the moving water in a circular pattern. The flow around the periphery of an ocean basin is called:
    A. A gyre
    B. The West Wind Drift
    C. Deep water formation
    D. The trade winds
    A. A gyre
    (this multiple choice question has been scrambled)
  102. In Ekman transport, the direction of the flow of water is 90 degrees to the right of the wind direction (in the northern hemisphere).

    True or False?
    False
  103. Which of the following is NOT a geostrophic gyre?
    A. Antarctic Circumpolar Current (or Westwind Drift)
    B. South Atlantic gyre
    C. North Pacific gyre
    D. Indian Ocean gyre
    E. North Atlantic gyre
    A. Antarctic Circumpolar Current (or Westwind Drift)
    (this multiple choice question has been scrambled)
  104. Water flows in how many great surface circuits?
    A. 4
    B. 3
    C. 2
    D. 6
    E. 8
    D. 6
    (this multiple choice question has been scrambled)
  105. A boundary current that is narrow, fast, and deep is typically:
    A. A countercurrent
    B. A transverse current
    C. A western boundary current
    D. An eastern boundary current
    C. A western boundary current
    (this multiple choice question has been scrambled)
  106. A wide, shallow, slow current is typical of:
    A. All of the choices
    B. An eastern boundary current
    C. A western boundary current
    D. A transverse current
    E. A countercurrent
    B. An eastern boundary current
    (this multiple choice question has been scrambled)
  107. The Canary current in the North Atlantic is shallow, and broad and cold. What type of current is it?
    A. A western boundary current
    B. A countercurrent
    C. An eastern boundary current
    D. A transverse current
    E. None of the choices
    C. An eastern boundary current
    (this multiple choice question has been scrambled)
  108. Surface currents distribute tropical heat worldwide and influence weather and climate.

    True or False?
    True
  109. The Scilly Isles off the west coast of England have tropical plants as a result of...
    A. The warm Kuroshio current that brings tropical warmth up from the equator in the Pacific
    B. The fast flow of the West Wind Drift
    C. The freshening of the North Atlantic
    D. The warm Gulf Stream that brings tropical warmth up from the equator in the Atlantic
    D. The warm Gulf Stream that brings tropical warmth up from the equator in the Atlantic
    (this multiple choice question has been scrambled)
  110. Wind induced upward movement of water that brings deep, cold, nutrient rich water toward the surface is called:
    A. Seiching
    B. Downwelling
    C. Upwelling
    D. Shoaling
    C. Upwelling
    (this multiple choice question has been scrambled)
  111. Downwelling helps the deeper ocean with...
    A. Changing climate
    B. Both "a supply of dissolved gases and nutrients" and "assists in the distribution of living organisms" are correct
    C. assists in the distribution of living organisms
    D. All of the choices are correct
    E. a supply of dissolved gases and nutrients
    B. Both "a supply of dissolved gases and nutrients" and "assists in the distribution of living organisms" are correct
    (this multiple choice question has been scrambled)
  112. Winds that blow steadily across the ocean that induces long sets of counter-rotating vortices (or cells) at the surface water is called Southern Oscillation.

    True or False?
    False
  113. During major ENSO (El Nino Southern Oscillation) events, sea level in the eastern Pacific.
    A. Rises by as much as 20 centimeters
    B. Stays the same in both the western and
    C. None of the choices are correct
    D. Lowers by as much as 20 centimeters
    A. Rises by as much as 20 centimeters
    (this multiple choice question has been scrambled)
  114. Because density is a function of water's temperature and salinity, the movement of water due to differences in density is called:
    A. Langmuir circulation
    B. Thermohaline circulation
    C. Surface currents
    D. Upwelling
    E. Downwelling
    B. Thermohaline circulation
    (this multiple choice question has been scrambled)
  115. The global pattern of deep circulation resembles a vast "conveyor belt" that carries surface water to the depths and back again.

    True or False?
    True

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