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Oceans Vocab
| Term | Definition |
|---|---|
| low area on Earth where oceans are today | basin |
| measure of the amount of dissolved salts in ocean water | salinity |
| process of removing salt from ocean water | desalination |
| water moving horizontal to Earth's surface; powered by wind | surface current |
| shifting or curving of winds from their expected paths | Coriolis Effect |
| warm surface current used to travel from North America to Europe | Gulf Stream |
| east-coast currents that originate from the Equator | warm surface currents |
| west-coast currents that originate from the poles | cold surface currents |
| a circulation in the ocean that brings deep, cold water to the surface | upwelling |
| forms when a mass of ocean water becomes more dense than the surrounding water | density current |
| a rhythmic movement that carries energy through matter or space | wave |
| the highest point of a wave | crest |
| the lowest point of a wave | trough |
| horizontal distance between crests or troughs of adjacent waves | wavelength |
| vertical distance between crest and trough | wave height |
| half the distance of the wave height | amplitude |
| the collapse of a wave | breaker |
| the rise and fall in sea level | tide |
| the difference between the level of the ocean at high tide and low tide | tidal range |
| Earth, Sun, and Moon are in a line; new moon and full moon | spring tide |
| Earth, Sun, and Moon makes a right angle; first and third or last quarter | neap tide |
| area where a rising tide enters a shallow, narrow river from a wide area of the ocean | tidal bore |
| the gradually sloping edge of a continent that extends under the ocean | continental shelf |
| steep drop-off extending from the outer edge of the continental shelf down to the ocean floor | continental slope |
| flat part of the ocean floor created by deposits of sediments | abyssal plain |
| area in an ocean basin where new seafloor is formed | mid-ocean ridge |
| long, narrow, steep-sided depression where one crustal plate sinks beneath another | trench |