click below
click below
Normal Size Small Size show me how
Ch 18 ES Vocab
Term | Definition |
---|---|
basin | low area on EArth in which an ocean formed when the area filled with water from torrential rains |
Coriolis Effect | causes moving air and water to turn left in the southern hemisphere and turn right in the northern hemisphere due to Earth's rotation |
density current | circulation pattern in the ocean that forms when a mass of more dense seawater sinks beneath less dense seawater |
salinity | a measure of the amount of salts dissolved in seawater |
surface current | wind-powered ocean current that moves water horizontally, parallel to Earth's surface, and moves only the upper few hundred meters of seawater |
tidal range | the difference between the level of the ocean at high tide and the level at low tide |
tide | daily rise and fall in sea level caused, for the most part, by the interaction of gravity in the Earth-Moon system |
upwelling | vertical circulation in the ocean that brings deep, cold water to the ocean surface |