10 pt
description
Transcript of 10 pt
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Surface Currents
Deep Currents
Currents and Climate
Vocabulary 1
Vocabulary 2
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Horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean’s
surface
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What are surface currents?
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Global winds, coriolois effect, and continental deflections.
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What causes surface currents?
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When surface currents meet the continents they change direction.
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What is continental deflections?
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Are surface currents generally warm or cold currents?
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Warm
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Near the equator winds blow this direction.
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What is East to West?
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Do winds directly control deep currents yes or no?
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No
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A streamlike movement of ocean water far below the surface.
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What are deep currents?
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The density of ocean water is affected by these two things.
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Water are temperature and salinity?
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As temperature increases this happens to the density.
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What is density decreases?
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Are deep currents generally warm or cold?
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Cold
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The Gulf Stream carries this type of current from the Tropics to the North
Atlantic Ocean.
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What are warm currents?
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The California Current carries this type of current from the North
Pacific Ocean southward towards Mexico.
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What is cold current?
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These are three disasters caused by El Nino.
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What are flash floods, mudslides, and droughts?
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This is how often The El Nino occurs.
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What is every 2 to 12 years?
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This is the name of the administration that operates buoys
that record ocean temperatures.
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What is NOAA or National Oceanic and Atmospheric Administration?
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A movement of ocean water that follows a regular pattern.
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What are ocean currents?
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A streamlike movement of ocean water far below the surface.
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What are deep currents?
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A change in the water temperature in the Pacific Ocean that produces a
warm current.
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What is El Nino?
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The transfer of thermal energy by the circulation or movement of a liquid
or a gas.
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What is convection?
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The wind blows off the land toward the water. When the
temperature over the water is greater than the temperature over
the land.
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What is land breeze?
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Horizontal movement of ocean water that is caused by wind and that
occurs at or near the ocean’s surface
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What are surface currents
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The apparent curving of the path of a moving object from an otherwise straight path due to the Earth’s
rotation.
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What is the coriolis effect?
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A change in the eastern Pacific Ocean in which the surface water
temperature becomes unusually cool.
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What is La Nina?
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A measure of the amount of dissolved salts or solids in a liquid.
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What is salinity?
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The wind blows off the water toward the land. When the
temperature over land is greater than the temperature over water.
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What is Sea Breeze?