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33 Cards in this Set

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  • Back
measures the amount of dissolved salts in water
salinity
salinity of the ocean
35 ppt
salinity of ocean _________ with depth
increases
A sea level, atmospheric pressure is one ___________
atmosphere
ocean water temp ____________ with depth
decreases
average temp of ocean surface water is ________
17 degrees celcius
ocean water density ________ with depth
increases
saltwater is used in:
power plants, mining, industry
The temperature of ocean surface water depends on _____.
latitude and season
Dissolved minerals from rocks are deposited in the _________
ocean
highest part of a wave
crest
distance over which wind blows without interruption or change of direction
fetch
alternate rising and falling of the ocean caused by the gravitational pull of the moon and the Sun
tide
lowest part of a wave
trough
surface waves are caused by _______
wind
impact waves are caused by a _________
disturbance
The size and power of a wind-generated wave is determined by _________ and ______.
wind speed, fetch
there are ___ high and low tides in each cycle
2
spring tides happen when the _____, _____, and the _____ are aligned
sun, earth, moon
Neap tides happen when the Sun and moon are at a ___________ to Earth.
right angle
The amount of time it takes for a two consecutive wave crests to pass a given point is the _____.
wave period
Earth's tides are primarily caused by _____.
moon
downward movement of surface ocean water caused by wind
downwelling
downward movement of surface ocean water caused by wind
gyre
movement of deep ocean water driven by differences in temperature, salinity, and density
thermohaline circulation
upward movement of deeper, colder ocean water to the surface caused by wind
upwelling
surface currents are driven by ________
wind
northeast/ southeast trade winds are near the __________
equator
westerlies are in _______ latitudes
middle
polar easterlies are in _______ latitudes
high
earth's rotation causes _______ and _______ to bend, causing the ______________
winds, currents, coriolis effect
Deep ocean currents are driven by differences in ____________, __________, and __________. It is called thermocline circulation
temp, salinity, density
The Gulf Stream _____.
flows in a general northeastern direction