ch.19 science vocab
Terms
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- atoll
- a ring of low coral islands and reefs surrounding a central lagoon
- tombolo
- a wave deposited sandbar that connects islands with each other or with the mainland
- barrier reef
- a coral reef located away from the shore that creates a lagoon between the reef and the shore
- seamount
- any submerged mountain- like structure on the sea bottom
- coral reef
- massive marine geologic feature in shallow water because there is enough light for coral animals
- longshore current
- waves breaking at an angle to the shore
- neap tide
- lower than usual tide occurs when the sun, earth and moon form a right angle. happens twice monthly
- hook
- spit with sharp bend
- rip current
- rapid currents carries water from shore to sea
- sea
- a large body of salt water partially or nearly completely enclosed by land
- turbidity current
- denser because it carries sediment subsurface current
- spring tide
- high tide occurs when the sun, moon, and earth are in a line. happens twice monthly
- breaker
- wave that is too tall for its wave lengh
- tide
- gravitational forces cause waters to rotate on earth. alternating rise and fall of the ocean water
- desalinate
- the removal of salt and minerals from seawater to produce fresh drinkable water
- trough
- the lowest part of a wave
- thermohaline current
- moves largest amount of water
- contintal shelf
- the submerged edge of a continent( shallow )
- stack
- mass of rock thats been cut of from mainland from erosin
- upwelling
- cold water rises to the surface