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Terms in this set (17)
Draw global surface-ocean currents
how do surface currents form?
trade wind blow
Draw the Ocean Conveyor Belt
Large, circular ocean current systems that often encompass an entire ocean basin.
How does the Coriolis effect influence surface currents?
the coriolis effect influences the paths of surface-ocean currents by the rotation of the earth from west to east cases surface ocean currents to swerve to the right in the Northern Hemisphere, helping establish the circular, clockwise pattern of water current. In southern Hemisphere it swerve to the left, thereby moving in a circular counterclockwise pattern (look from the top or the bottom and will get it)
mass per unit volume
How does ocean water mix vertically?
cold water sink down, and hot water goes up
Ocean Conveyor Belt
an ocean stream that go around the world ocean with warm water moved by trade wind which force the cold deep water to move as well
How does the ocean conveyor belt affect regional climate?
as the gulf stream and north atlantic brought immense amount of heat from the tropics to europe. it's responsible for the relatively warm climate in europe.
Has the ocean conveyor belt ever changed or had a different path in the Earth's history?
Yes during the ice age where the heat transferring stop because it's all ice.
El Niño - Southern Oscillation (figure 4.18 pg 75)
a periodic, large scale warming of surface waters of surface waters of the tropical eastern pacific ocean that affects both ocean and atmospheric circulation patterns
water hit the surface and come to the surface
How does El Niño affect coastal communities?
during the EnSO even the colder nutrient rich deep water and the warmer surface temperatures and weak trade winds prevent upwelling therfore. so there's there's the lack of nutrients in the water which results in a severe decrease in the populations of an chovies and many other marine fishes. --> affect the fisherman
How does El Niño start and stop?
start from strong trade winds--> warm water mpves away from coast --> cool nutrient-rich water upwells to surface
what are some of the global effects of El Niño?
property damages --> heavy snow in W US --> ice strom in eastern canada -->rain and flood in peru and california ecuqdor and etc.--> drought --> fires
How are the sun's energy, prevailing winds, and surface-ocean currents related?
the sunlight warms up the surface water, and the trade wind blows the surface water which allow the under water move by surface water.
Discuss the roles of solar energy and the Coriolis effect in producing global water flow patterns, including gyres.
the solar energy warms up the surface water, and the trade wind pushes the surface water which happen to be the Coriolis effect by moving away
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