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Atmosphere II - Earth Science Title Chapter Environmental...

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Title Chapter Environmental Lapse Rate 3.6 degree Fahrenheit per 1000 ft As you go up the air get cooler, thinner, and drier Barometric Pressure How does this force fluctuate from one day to the next via pull of gravity? (barometric pressure) If you heat the air, it expands the airmass and becomes less dense and lowers the barometric pressure… causes things to lift Mercurial Barometer First thing invented for this was a mercurial barometer, however it is quite dangerous because it contains mercury. Standard sea level pressure- 14.7 pounds per square inch (29.92 inches on a mercurial barometer) Milibar (mb) is the scientific reading…. 29.92in = 1013.2mb 1”= 33.86 mb Alternative to a mercurial barometer is an anroidial barometer (not as accurate tho) More about Barometric Pressure Earth’s record low- 870mb in the western pacific 1979…. U.S. Record low- 882mb during Hurricane Wilma in 2005…. Canadian record low- 940.2mb in St. Anthony, new Foundland 1977…. U.S. Record high- 1065mb 1970 in Barrow AK… Canadian record high is 1079.6mb in Dawson YT 1989… Earth’s record high- 1084mb in Agata,
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