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05-Thermal - ESM 266 Thermal infrared ESM 266 Thermal...

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4/21/2008 ESM 266: Infrared remote sensing 1 ESM 266: ESM 266: Thermal infrared Thermal infrared remote remote sensing sensing (Wikipedia – Infrared ) Infrared remote sensing, to measure … Surface temperature, through the atmosphere Atmospheric sounding T t d h idit 3 – Temperature and humidity – Trace gas concentrations Radiation balance • Emissivity Antenna on roof of Ellison Hall http://www.icess.ucsb.edu/ and follow link to DATA->AVHRR Images AVHRR (NOAA’s operational meteorological sensor) 4 Fusion between data on ocean temperature and surface height TeraScan calibrate, de-cloud, aggregate extrapolate SST grid SST “super data” AVHRR image HRPT downlink HRPT Data Handling HRPT Gridding SST SST u t + ⋅∇ CD-ROM extrapolate calibrate, aggregate MGDR cracker ocean height “super data” ocean height grid TOPEX points GOAL : Local and advective components of upper ocean heat balance: TOPEX Gridding TOPEX Data Handling Radiation principles All bodies radiate Hotter bodies radiate more at all wavelengths R di ti f h tt b d k t 6 Radiation from a hotter body peaks at a shorter wavelength than from a cooler body
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