lecture 4 atmosphere slides

lecture 4 atmosphere slides - Atmospheric Profile...

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1 Atmospheric Profile Atmosphere extends to 32,000 km (20,000mi) from surface Three criteria to examine atmosphere Composition Temperature Function Profile of atmosphere Figure 3.2 Air pressure measured as a function of how high the mercury rises in a tube - (barometric pressure) Atmospheric Pressure Air pressure declines as one moves away from the earth’s surface Atmospheric Composition Heterosphere – outer atmosphere 80 km (50 mi) outwards Layers of gasses sorted by gravity based on their atomic weight Homosphere – inner atmosphere Surface to 80 km (50 mi) Gasses evenly blended
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