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science exam

QuestionAnswer
Surface Current horizontal movement of ocean water caused by wind near the surface
Deep Current Stream like movement of ocean water far below the surface
Trade winds Located just north and south of the equator 0 degrees and 30 degrees latitude.
westerlies located 30 degrees and 60 degrees latitude.
Coriolis effect curving of the path of a moving object from an otherwise straight path, due to Earth's rotation
Gyre Huge circle of moving ocean water found above and below the equator.
Sargasso Sea Center of North Atlantic Gyre. Area of calm, warm water. Named after Sargassum, a type of seaweed, that floats on water.
Antarctic Circumpolar Current A.K.A. west wind drift. Cold current; surface current.
Equatorial Countercurrent weak, eastward flowing, warm and surface current
Gulf Stream Warm surface current that is fast moving and flows up the East Coast of U.S.
North Atlantic current Follows from Gulf Stream. Warm surface current.
Antarctic bottom water cold, deep, slow, moves northward on the bottom of Antarctic Ocean
Salinity Measure of the amount of dissolved salts in a given amount of liquid. Measured in parts per thousand. ppt= 0/00
Thermocline layer in a body of water in which water temperature drops within increased depth faster than it does in other layers.
Pack Ice floating layer of sea ice that completely covers an area of the ocean surface.
Density the ratio of the mass of a substance to the volume of the substance. Measured in g/cm^3 (solids) over g/mL (liquids)
3 main dissolved gases found in ocean water N2- nitrogen, O2- oxygen, CO2- carbon dioxide
4 main ways that gases can enter the ocean water. Atmosphere contributes most. Streams/rivers, underwater volcanoes, marine organisms
relationship between water temperature and amount of dissolved gases it contains Cold water contains more dissolved gases.
relationship between the temperature and density of ocean water cold water is more dense
2 factors that change the salinity of ocean water precipitation and evaporation
Created by: lyndseyjeffries
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