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The Advanced Very High Resolution Radiometer (AVHRR)

The Advanced Very High Resolution Radiometer (AVHRR). The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. http://newton.gso.uri.edu/coastwatch/realtime_avhrr.html. AVHRR Wavelengths. How is SST Computed?.

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The Advanced Very High Resolution Radiometer (AVHRR)

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  1. The Advanced Very High Resolution Radiometer (AVHRR) The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. http://newton.gso.uri.edu/coastwatch/realtime_avhrr.html

  2. AVHRR Wavelengths

  3. How is SST Computed? • Convert radiance measured in the infrared channels to brightness temperature. • Use a multichannel technique to calculate SST to within ±0.5°C. • Cloud identification masks are created using visible and infrared channels with a series of spectral gradient, difference, and threshold tests.

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