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Department
Interdisciplinary Science
Course
ISCI 1001
Professor
John Buschek
Semester
Fall

Description
ISCI 1001 A Oct 15 2013 Atmosphere ­Properties ­Composed partially of gases ­Some permanent ­Nitrogen 78% ­Oxygen 21% ­Some variable ­H2O ­CO2 ­CH4 ­Mercury: no atmosphere ­Venus: CO2 + N2 + H2SO4 (96.5% + 3.5%) ­Earth: N2 + O2 (78% + 21%) ­Mars: CO2 + Ar + N2 (95.9% + 2.1% + 1.9%) ­Jupiter, Saturn, Uranus, Neptune: 90+% H + He ­Hypothesis ­Atmospheric components change as you get farther from the sun ­Hypothesis ­Earth has little CO2 because plants exist to cycle it through as O2 ­Gaia ­Theory that the Earth itself is a living, self­regulating entity that is kept stable by  the surface organisms (James Lovelock) ­Spheres ­Troposphere ­> Stratosphere ­> Mesosphere ­> Thermosphere      (0­11km)        (11­50km)          (50­80km)  (80­500km)      Temp dec.   ^    Temp inc.            Temp dec.             Temp inc.     Tropopause ­75% of atmospheric molecules are below Tropopause ­Global Air Circulation ­Incident Solar Energy ­Energy entering the ATM at the equator heats up a smaller area in a  higher concentration because the energy does not have as far to go  (Equator is closest to the sun) ­Energy entering ATM closer to the poles has a larger surface area to cover  at a lower concentration because it has farther to go from the sun ­Uneven distribution of land mass ­About 70% of the Earth’s surface is water ­30% land ­Unevenly distributed ­Land heats faster than oc
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