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Sci7-Unit2-Oceans
Sci7- Oceans
Term | Definition |
---|---|
ocean currents | stream-like movement of water within the ocean |
surface currents | currents that are near surface and shaped by wind |
Coriolis effect | the deflection of moving objects from a straight path due to Earth's rotation |
deep currents | movement of ocean water caused by differences in density |
convection current | movement of water that results from a difference in density due to temperature of water |
upwelling | when warm surface water is replaced by cold, nutrient rich water from the deep ocean as surface water is moved away from shore by wind |
jet streams | long-distance winds that travel above global winds for thousands of miles |