2.3 - Vertical Energy Balance of the Earth-Atmosphere System
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| The sun's core.... | 20,000,000 K, nuclear fision reactor converts hydrogen into heat energy
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| The photoshpere...... | 6,000K, compared to the 300K on earth
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| Radiative heat transfer..... | Anything above zero kelvin radiates, travels through vacuums at the speed of light
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| Planck's Law..... | the hotter the surface, the shorter the wave hence , short wave long wave radiation
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| Lamda max(wave length i think) for solar radiation..... | 0.5 mew meters (micro meters?)
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| Lamda-max for terrestrial radiation..... | 10 mew meters
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| The amount of solar radiation that arrives at the top of the atmosphere (solar constant)...... | 1,340 - 1370 W m-2, best estimate is 1367 W m-2
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| What happens to solar radiation as it passes through the atmosphere? | Absorbed, Scattered, Reflected OR Transmitted (allowed to continue its journey uninterupted)
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| How much solar radiation is absorbed? | 18% by ozone and oxgen molecules
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| High temperature in thermosphere because.... | high molecular energy
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| The Troposphere is hot because... | long wave radiation from below
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| Albedo is.... | reflectivity of matter to solar radiation
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| Albedo trends.... | Snow, cumulus clouds are about 0.8, deserts oceans and sea ice range from 0.05 - 5.0
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| Overall Albedo of earth.... | 0.32
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| Amount of short wave radiation absorbed by the surface? | 50%
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| How is the absorbed heat energy balanced? | IR radiation (long wave), latent heat (evaporation), convection (smart heat)
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