GEOG 1220 Lecture Notes - Lecture 3: Urban Climate, Atmospheric Circulation, Cloud Condensation Nuclei
5 Oct 2016
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Document Summary
Atmosphere = fumes from cars produce air pollution. Lithosphere = road/highways had to be created, destruction of forests. Energy: solar energy (exogenous, comes from outside of the system, geothermal energy (endogenous, comes from within the system) Critical components of the atmosphere: o3, co2, h2o, dust, pollen, ice (condensation nuclei) Thermal = dense pockets of air that rise, initiate circulation of the atmosphere inversions = when warm air sits above cold air, traps pollutants. Orographic precipitation: results when moist air is forced to rise when passing over a mountain range. Convectional precipitation: results from the free ascent of unstable air; usually short-term, intensive rainfall that produces thunderstorms. Convergent precipitation: takes place when air moves into a low pressure trough or topographic depression and escapes by moving upward. Frontal precipitation: occurs when warm air is pushed aloft as it overtakes cold air (warm front) or is overtaken by cold air (cold front)
