Why are specific humidity and mixing ratio more commonly used in representing atmospheric moisture than absolute humidity? What is the only way to change the specific humidity or mixing ratio of an air parcel?
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Question 2An enterprising travel agent trying to sell you a summer vacation package to Phoenix, Arizona, claims that the summertime relative humidity is above 90 percent. Can this be true? Explain.
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Question 3Describe how a sling psychrometer can be used to determine the relative humidity or dew point.
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Question 4Why is perspiration an effective means of cooling human skin?
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Question 5Explain why the dew point temperature provides a better indication of the actual amount of water vapor in the air than relative humidity.
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Question 6What physiological effects might you experience during very humid and very dry conditions?
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Question 7Would lowering the temperature in your home during the winter cause the relative humidity to increase or decrease? Why?
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Question 8In order to reduce evaporation and conserve water, do you think it would be better to water a lawn in the early morning or early evening?
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Question 9In terms of the air temperature and water vapor content, explain how the relative humidity normally changes during the course of a 24-hour day.
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