GEOG 209: Meteorology Chapter 5 – Flashcards
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The dew point:
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can be used with air temperature to indicate the value of relative humidity.
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Which of the following pairs of change-of-state processes bypass the liquid state of water?
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sublimation and deposition
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Radiation fog:
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occurs most often on cloudless nights.
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The difference between fog and a cloud is:
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nothing. Clouds and fog are a matter of observational perspective.
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Water is unique because:
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it exists in all three states naturally at the same time.
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When the atmosphere contains more moisture than theoretically possible, the condition of ________ results.
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supersaturation
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Saturation:
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occurs when the condensation rate equals the evaporation rate.
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Water that is below 0 degrees Centigrade is called:
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supercooled water.
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Advection fog:
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occurs when warm air passes over a cool surface.
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Absolute humidity is:
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density of water vapor.
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A sling psychrometer uses:
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dry- and wet-bulb temperature readings.
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As the temperature increases, generally, the relative humidity:
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decreases.
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Curved water surfaces:
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can require relative humidities greater than 100 percent.
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Of the following, which is not dependent upon temperature?
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specific humidity
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Diabatic processes:
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add or remove energy from a system.
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Groundwater eventually returns to the atmosphere through which of the following?
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-human use in agriculture and industry
-seepage into rivers
-transpiration through plants
-->all of the above
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A parcel of rising air is least likely to do this:
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contract.
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Relative humidity:
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can change substantially during the course of a day.
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The relative humidity can increase or decrease even though the water vapor content doesn't change because:
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relative humidity is temperature dependent.
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Saturation vapor pressure is dependent upon this variable:
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temperature.
