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Oceans

QuestionAnswer
Salinity A measure of the amount of dissolved salts in a given amount of liquid
Thermocline A layer in a body of water in which water temperature drops with increased depth faster than it does in other layers
Pack Ice A 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 a substance; commonly expressed as grams per cubic centimeter for solids and liquids and grams per liter for gases
Three main dissolved gasses found in ocean water? Nitrogen (N), Oxygen (O), Carbon Dioxide (CO2)
Four ways gases can enter ocean waters. Most common one. Streams, underwater volcanoes, marine organisms, and the most common one is the atmosphere
Relationship between water temperature and the amount of dissolved gases it contains Colder water contains more dissolved gases
Relationship between temperature and density of ocean water Colder water is more dense
Two factors that change the salinity of ocean water Precipitation and evaporation
Surface current A horizontal movement of ocean water that is caused by wind and that occurs at or near the oceans surface
Deep current A stream like movement of ocean water for below the surface
Trade winds Global winds between 0-30 degree latitude
Westerlies Global winds between 30-60 degree latitude
Coriolis effect The curving of the path of a moving object from an otherwise straight path due to Earths rotation
Gyre A huge circle of moving ocean water found above and below the equator
Sargasso Sea A vast area of calm, warm water in the middle of the North Atlantic Gyre. Named after Sargassum, a type of seaweed, that floats on the water
Antarctic Circumpolar Current Worlds largest current, also called the west wind draft. Cold current; surface current
Equatorial Countercurrent Weak, eastward flowing current that runs in the opposite direction of the equatorial currents. Warm current; surface current
Gulf Stream Fast moving, warm surface current that flows up along the East coast of the U.S.
North Atlantic Current Follows from the Gulf Stream. Warm surface current
Antarctic Bottom Water Cold, deep current. Slow moving. Moves northward along the bottom of the ocean from Antarctica.
Created by: Lauryn2003