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SALINITY
The dissolved solids in seawater.
Density Currents
Currents in the ocean caused by differences in density. Salinity, Temperature, Suspended Solids,
Continental Shelf
Part of the Continent which is under water (a shallow area).
Continental Slope
The edge of the continent drops off to deep water.
Continental Rise
A gently sloping area at the base of the slope.
Abyssal Fan/Cone
Fan shaped deposits at the mouth of submarine canyons.
Abyssal Plains
They are the flattest places on the planet.
Sea Mounts
Under water volcanoes.
Guyots
Flat top seamounts, tops were cut off by wave action.
Mid-Ocean Ridges
Where new sea crust forms.
Trenches
Where sea floor crust sinks down into the earth and melted.
Fracture Zones
Where mid-ocean ridges are Broken by faults.
Tsunami
Tsunami is a seismic sea wave caused by an undersea earthquake.
Sea water
Sodium Chloride (NaCl), Magnesium (MgCl)
Mediterranean Sea/german subs
Ocean Profile
What % of the Earth’s surface is covered by oceans.
70%
What % of all water on Earth is seawater.
97%
Tsunamis are most common in this ocean
Pacific Ocean
The biggest Tsunami recorded
The 2004 Indian ocean Tsunami which killed 250,000 people
4 major oceans
Atlantic, Pacific, Indian, Arctic
El Niño
Warm water builds up in the Eastern Pacific blockingthe upwelling rich water. Causes a collapse of the food chain.
La Niña
A colder than normal East Pacific making colder winters.
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