MET4300_SWX_LEC7

MET4300_SWX_LEC7 - MET 4300 Lecture 7 Climate and Climate...

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MET 4300 Lecture 7 Climate and Climate Change
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Climate Climate is commonly associated with averages, ranges, and extremes of weather variables: T, Precip., wind,etc. Tied to the Earth’s energy budget Climate change associated with changes in frequency and intensity of hazardous weather
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Energy Budget Solar energy: 1366 W/m^2 Infrared energy: Green house effect: trapping of infrared energy by the atmosphere: CO2, CH4, H2O Non-radiative heat transfer: conduction & convection; latent heat Emitted to the atmosphere Emitted to the space Conduction and convection Latent heat Absorbed solar
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Seasonal Cycle
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Average solar and infrared radiation at each longitude Weather systems are important to remove the radiative imbalance.
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Pressure Patterns The tilt of the Earth’s axis enhances the contrast in temperature between the tropics and the poles in winter and reduce the contrast in summer. Therefore, the large-scale storms that transport energy poleward are strongest and most frequent during winter.
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This note was uploaded on 02/18/2012 for the course MET 4300 taught by Professor Staff during the Spring '08 term at FIU.

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MET4300_SWX_LEC7 - MET 4300 Lecture 7 Climate and Climate...

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