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Ch 14 Oceans
Mr. De La Torre's Ch 14 Oceans Vocabulary
| Question | Answer |
|---|---|
| Surface current | a streamlike movement of water that occurs at or near the surface of the ocean |
| Coriolis effect | the turning of moving objects such as ocean currents or winds, by the Earth’s rotation. |
| Deep current | a streamlike movement of ocean water far below the surface. |
| Upwelling | a near shore process in which cold nutrient rich water form the deep ocean rises to the surface. |
| El Nino | a periodic change in the location of warm and cool surface waters in the Pacific Ocean. |
| Crest | the highest point of a wave. |
| Trough | the lowest point of a wave. |
| Wavelength | the distance between one point on a wave and the corresponding point on an adjacent wave in a series of waves. |
| Wave height | the vertical distance between a wave’s crest and its trough. |
| Wave period | the time it takes for two waves to pass a fixed point. |
| Breaker zone | the near shore area where waves first begin to tumble downward or break. |
| Surf | the area between the breaker zone and the shore. |
| Whitecap | a white foaming wave with a very steep crest that breaks in the open ocean. |
| Swells | rolling waves that move in a steady procession across the ocean. |
| Tsunami | a wave that forms when a large volume of ocean water is suddenly moved up or down. |
| Storm surge | a local rise in sea level near the shore that is caused by strong winds from a storm. |
| Tides | daily movements of ocean water that change the level of the oceans surface. |
| Tidal range | the difference between levels of ocean water at high tide and low tide. |
| Spring tides | tides with maximum daily tidal ranges that occur during the new and full moons. |
| Neap tides | tides with minimum daily tidal ranges that occur during the first and third quarters of the moon. |
| Tidal bore | a body of water that rushes up through a narrow bay, estuary, or river channel during the rise of high tide. |