what is the difference between eustatic and relative sea level quizlet?
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What is the difference between eustatic and relative sea level? Eustatic refers to the global sea level; relative refers to local sea level near land.
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Density is directly proportional to pressure and indirectly proportional to temperature. As pressure increases, with temperature constant, density increases. ... A decrease in density results in an increased density altitude, whereas an increase in density results in a decreased density altitude.
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This is due to an increase in hydrostatic pressure, the force per unit area exerted by a liquid on an object. The deeper you go under the sea, the greater the pressure of the water pushing down on you. For every 33 feet (10.06 meters) you go down, the pressure increases by one atmosphere .
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Gage pressure is the pressure relative to the atmospheric pressure. ... This difference is called the gage pressure. Pressures below atmospheric pressure are called vacuum pressures and are measured by vacuum gages that indicate the difference between the atmospheric pressure and the absolute pressure.
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The answer is the water reaches its boiling point temperature and stays there. The temperature at which water boils isn't the same everywhere. Boiling point depends on pressure. At sea level, water boils at 100 °C (212 °F) and freezes at 0 °C (32 °F).
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The surface of the Pacific Ocean stands about 40 cm higher than the Atlantic Ocean with respect to the 1000-decibar surface, and the North Atlantic and North Pacific stand respectively about 14 and 17 cm higher than the South Atlantic and Pacific. ... This is the greatest current of all oceans.
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For a pure substance the density has the same numerical value as its mass concentration. Different materials usually have different densities, and density may be relevant to buoyancy, purity and packaging. ... Thus a relative density less than one means that the substance floats in water.
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The volume of this amount of liquid is equal to the volume of the object itself. The weight of fluid displaced and therefore the upthrust will be bigger if the density of the liquid is large. The upthrust in salty water (relative density = 1.1) is larger than that in water (relative density = 1.0) for the same object.
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Tidal range is the height difference between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun and the rotation of Earth. Tidal range is not constant but changes depending on the locations of the Moon and Sun.
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Sea level is primarily measured using tide stations and satellite laser altimeters. Tide stations around the globe tell us what is happening at a local level—the height of the water as measured along the coast relative to a specific point on land.
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Air pressure has a direct influence on the sea level. High air pressure exerts a force on the surroundings and results in water movement. So high air pressure over a sea area corresponds to low sea level and conversely low air pressure (a depression) results in higher sea levels.
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Explain the difference between oceanic rises and oceanic ridges, include examples - Oceanic rises : The gently sloping and fast-spreading parts of the mid-ocean ridge. ... - Oceanic ridges : Conversely, steeper-sloping and slower spreading areas of the mid- ocean ridge.
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Station pressure is measured at a station without any adjustment. ... With barometric pressure, it's the station pressure adjusted to the mean sea level. If the pressure is measured at sea level, station pressure and barometric pressure are equal. Keep in mind that barometric pressure changes with density altitude.
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There is no atmosphere below sea level; so, the pressure due to the atmosphere does not increase. Of course, the pressure below sea level increases with depth due to the weight of water. ... It continues to increase as you go down, the more air above you, the more pressure it puts on you.
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When the highest part, or crest of the wave reaches a particular location, high tide occurs; low tide corresponds to the lowest part of the wave, or its trough. The difference in height between the high tide and the low tide is called the tidal range. ... This is called the tidal current.
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As atmospheric pressure decreases, water boils at lower temperatures. At sea level, water boils at 212 °F. With each 500-feet increase in elevation, the boiling point of water is lowered by just under 1 °F.
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Higher than normal high tides and lower than normal low tides will occur. Mean sea level is generally higher in the early fall months in the Mid Atlantic due to warmer, expanding ocean water and changes in weather patterns.