GEOG 101 Lecture Notes - Lecture 4: Mie Scattering, Diffuse Reflection, Convection Cell

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Chapter 2: energy and matter in the atmosphere. Energy is represented at atomic level by vibration, rotation, motion. Solid state: atoms and molecules bound together. Liquid: enough energy to break bonds, so non-rigid but some attraction remains. Trace amounts of carbon dioxide, methane and other gases. Variable amount of water vapor, averaging less than 1% Tiny particles present in the atmosphere that are so small and light that the slightest air movements keep them aloft. Vertical layers: 97% of (cid:373)all lies (cid:449)ith 30 k(cid:373) of earth"s surface. Layered by ctf: composition, temperature, function. Vertical layers by temperature: troposphere (closest to earth"s surface) clouds, weather, lower temp. near the pole, stratosphere ozone layer included here; temperature increases, mesosphere site of most shooting stars; very cold upward, thermosphere auroras originate here, exosphere (space) Energy: represented at the atomic level by vibration, rotation, and motion. Liquid: enough energy to break bonds, so nonrigid but some attraction remains.

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