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Stack #4731403
| Question | Answer |
|---|---|
| salinity | The total amount of dissolved salts in a water sample |
| sonar | A system that uses reflected sound waves to locate and determine the distance to objects under water |
| seamount | A steep-sided volcanic mountain rising from the deep-ocean floor |
| trench | A deep, steep-sided canyon in the ocean floor |
| continental slope | A steep incline of the ocean floor ;heading down to the edge of a continental shelf |
| continental shelf | A gently sloping, shallow area of the ocean floor that extends outward from the edge of the continent |
| abyssal plain | A smooth, nearly flat region of the deep ocean floor |
| mid-ocean ridge | A undersea mountain chain where new ocean floor is produced; a divergent plate boundary under the ocean |
| wave | The movement of energy through a body of water |
| wavelength | The distance between two corresponding parts of a wave, such as a distance between two crests |
| frequency | The number of complete waves that pass a given point in a certain amount for time |
| tsunami | A giant wave usually caused by an earthquake beneath the ocean floor |
| longshore drift | The movement of water and sediment down a beach caused by waves coming in to shore at an angle |
| rip current | A strong, narrow current that flows briefly from the shore back toward the ocean through a narrow opening |
| groin | A wall made of rocks or concrete that is built outward from a beach to reduce erosion |
| current | A large stream of moving water that flows through the oceans |
| Coriolis effect | The effect of Earth's rotation on the directions of winds and currents |
| climate | The average annual condition of temperature, precipitation, winds and clouds in the area |
| El Nino | An abnormal climate event that occurs every two to seven years in the Pacific ocean, causing chances in wind, currents, and weather patterns for one to two years |
| La Nina | A climate event in the eastern Pacific ocean in which surface waters are colder than usual |
| wave height | The vertical distance from the crest of a wave to the through |