Eastern Boundary Currents in Global Ocean Circulation System

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Questions and Answers

How are Northern Boundary Currents and Southern Boundary Currents related to gyres?

  • They flow along the equator
  • They form the northern and southern edges of gyres (correct)
  • They have no connection to gyres
  • They are responsible for creating waves within gyres

Which current acts as a boundary for some gyres in the Pacific Ocean?

  • Antarctic Circumpolar Current
  • Equatorial Counter Current (correct)
  • North Pacific Current
  • North Atlantic Current

How are Subtropical Gyre Boundaries typically defined?

  • By the Equatorial Counter Current
  • By the convergence zone between northward and southward flowing currents (correct)
  • By wind patterns in the region
  • By the rotation of the Earth

What impact can wind patterns associated with gyres have on vessels like sailboats?

<p>Increase speed and efficiency (B)</p> Signup and view all the answers

How do ocean gyres influence sea state?

<p>By aligning wave patterns with a vessel's intended course (D)</p> Signup and view all the answers

Which current flows along the equator and can act as a boundary for some gyres?

<p>Equatorial Counter Current (A)</p> Signup and view all the answers

What defines the edges of ocean gyres like the North Atlantic Gyre and South Pacific Gyre?

<p>Convergence zone between northward and southward flowing currents (D)</p> Signup and view all the answers

How can ocean gyres affect the efficiency and speed of vessels?

<p>Positively and negatively depending on vessel size, design, and specific characteristics of the gyre (C)</p> Signup and view all the answers

What is the role of Equatorial Currents in relation to gyres?

<p>They flow along the equator and can act as boundaries for some gyres (D)</p> Signup and view all the answers

Which factor determines whether ocean gyres have a positive or negative impact on vessel speed and efficiency?

<p>Vessel's size, design, propulsion system, and specific characteristics of the gyre (C)</p> Signup and view all the answers

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