OCS 4021 Lecture : OCS4021 LECTURE4 Sept01 2011 Print
15 Mar 2019
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A little about hurricane in a hurricane season . Contact needed: convection / advection: heat transfer through fluid motion contact needed, radiation: heat transfer through electromagnetic waves no contact needed! Radiation = electromagnetic waves: heat (molecular) motion radiation energy is transferred without any contact to any other object, usually not a single wavelength but with a spectrum # Solar radiation: an ensemble of visible and invisible energy in a form of emw. 9% ultraviolet: sun is the source of energy for all of us, solar energy comes in the form of electromagnetic waves, visible light only occupies 46% of the solar spectrum. Microwaves too short to see too long to see. Fate of radiation: reflection, absorption, scattering, and transmission. The energy budget thermal status of the atmosphere dynamics of the atmosphere and weather # Temperature is a measure of average kinetic energy higher t higher molecular motion velocity faster oscillation higher frequency (shorter wavelength)
