Unit 5 Sheet - Matthew Gilmore 1 2 3 4 5 6 7 8 9 10 11 12...

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Matthew Gilmore Unit 5 Vocabulary 1. Surface Current - the water at the ocean surface is moved primarily by winds that blow in certain patterns because of the Earth's spin and the Coriolis Effect. 2. Density Current - a turbid, dense current of sediments in suspension moving along the slope and bottom of a lake or ocean. 3. Upwelling - rise of deep tidewater to surface to replace warmer surface water. 4. Longshore Current - a current that flows parallel to the shore within the zone of breaking waves. 5. Rip Current - a relatively strong, narrow current flowing outward from the beach through the surf zone and presenting a hazard to swimmers. 6. Spring Tide - a tide just after a new or full moon, when there is the greatest difference between high and low water. 7. Neap Tide - a tide just after the first or third quarters of the moon when there is least difference between high and low water. 8. Specific Heat Capacity - the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree). 9. Estuary - the tidal mouth of a large river, where the tide meets the stream. 10. Seawalls - man-made along shore protecting land from powerful waves. 11. Beach (Re ) Nourishment - addition of large quantities of sand to beach system. 12. Jetties - man-made structures built in pairs, protecting channel erosion and deposition. 13. Groins - man-made feature at right angle to beach to trap sand. 14. Dunes - natural barrier to destructive winds and waves.
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