MET4994_5994_RS_Lec6_S11

MET4994_5994_RS_Lec6_S11 - MET MET 4994 Remote Sensing:...

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Unformatted text preview: MET MET 4994 Remote Sensing: Radar and Satellite Meteorology MET MET 5994 Remote Sensing in Meteorology Lecture 6: January 24, 2011 EM Spectrum The The Electromagnetic Spectrum Why is a specific spectral band interesting interesting to atmospheric scientists ? Diabatic heating/cooling: heat exchange between earth and the rest of the universe. Photochemistry: chemical reactions in the atmosphere are driven by sunlight.. Remote sensing: Any frequency of radiation that is absorbed, scattered or emitted by the atmosphere can potentially be exploited for satellite- or ground-based measurements of atmosphere properties. Solar Solar Radiation Absorption Spectrum of the Cloud Free Free Atmosphere EM Spectrum for Radar Summary Summary Gamma & X-rays: unimportant. UV: important to photochemistry, remote sensing of ozone. Visible & IR band: very important to both energy transfer and remote sensing Microwave band: remote sensing only Radio band: only a few remote sensing applications ...
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