Study

Pacific Ocean

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  • What causes salinity variations in the Pacific Ocean?
    Winds, precipitation, evaporation.
  • In which direction do surface currents in the Southern Hemisphere move relative to the wind?
    To the left of the wind direction.
  • How many of the 30,000 Pacific seamounts have been explored?
    300
  • Why is the South Pacific subtropical gyre less intense than other gyres?
    It lacks confinement by continental barriers along its western margin.
  • Which currents are broad, shallow and less defined?
    Eastern boundary currents.
  • Is the Ring of Fire the world’s largest area of volcanism and earthquakes located around the edges of the Atlantic Ocean?
    No
  • Which one belongs to the Pacific Ocean? Irish Sea Greenland Sea Philippine Sea Baltic Sea Hudson Bay
    Philipine Sea
  • What sets the water between the tropics in motion?
    Trade winds
  • What causes water to pile up in the center of the subtropical gyre?
    The subtropical convergence of water in the middle of the gyre produced by a hemisphere’s clockwise or counterclockwise rotation.
  • Why are seamount chains important for oceanic organisms?
    They provide a solid surface for deep ocean organisms to cling to.
  • How is the climate of continental margins that have cold ocean currents offshore?
    Dry
  • What is considered microplastic debris?
    Plastic measuring 5 mm or less.
  • What is the western boundary of the Pacific Ocean?
    Asia and Australia.
  • What is western intensification and what causes this phenomenon?
    Characteristics observed in western boundary currents due to the Coriolis effect.
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