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Chapter 14


Ocean Current A movement of ocean water that follows a regular pattern.
Surface Current A horizontal movement of ocean water that is caused by wind that occurs at or near the ocean's surface.
Coriolis effect The apparent curving of the path of a moving object from an otherwise straight path due to the Earth's rotation.
Deep Current A streamlike movement of ocean water far below the surface.
Currents in general are influenced by these three things: Weather, Earth's Rotation, and Position of Continents.
One of the longest surface currents. It is a warm current carrying warm waters from the Caribbean to the British Isles. The Gulf Stream.
Surface Currents are controlled or caused by three things: Global Winds, the Coriolis Effect, and Continental Deflections.
Global Winds near the equator blow in what direction? East to West.
Global Winds near the poles blow in what direction? West to East.
The Coriolis Effect causes surface currents in the Northern Hemisphere to turn ___________________. Clockwise.
The Coriolis Effect causes surface currents in the Southern Hemisphere to turn___________________. Counterclockwise.
When surface currents meet continents, the currents bounce off the land and change direction. Continental Deflection.
Warm water currents start near the ______________ and carry __________________ water to other parts of the ocean Equator, warm.
Cold-water currents start near the _______________ and carry __________________ water to other parts of the ocean. Poles, cool.
Deep currents are not directly controlled by the _____________. Wind.
Density The amount of water in a given space, or volume.
Deep currents form in the ocean where there is increased ____________________. Density.
Density is influenced by two factors: Salinity and Temperature.
Salinity A measure of the amount of dissolved salts or solids in a liquid.
How to Deep Currents Form? Decreasing Temperature of Water, Increasing Salinity through Freezing and Increasing Salinity through Evaporation.
Less dense water currents will always flow on __________ of more dense water currents. In other words, the densest current will always be closest to the bottom. Top
How would the patterns of currents change if the earth didn't rotate? The Currents would not curve.
Created by: 200371966