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Instrument: AVIRIS : Airborne Visible and Infrared Imaging Spectrometer
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The Airborne Visible InfraRed Imaging Spectrometer (AVIRIS) is a
unique optical sensor that delivers calibrated images of the upwelling
spectral radiance in 224 contiguous spectral channels (also called
bands) with wavelengths from 400 to 2500 nanometers (nm). The
instrument flies aboard a NASA ER-2 airplane (a U2 plane modified for
increased performance) at approximately 20 km above sea level, at
about 730 km/hr. AVIRIS has flown all across the US, plus Canada and
Europe. The science objectives of the AVIRIS project are broad. The
main objective is to identify, measure, and monitor constituents of
the Earth's surface and atmosphere based on molecular absorption and
particle scattering signatures. Research with AVIRIS is dominantly
directed towards understanding processes related to the global
environment and climate change. AVIRIS research areas include:
Snow hydrology
Cloud and atmospheric studies

For more information on current and past mission involving AVIRIS or
access to AVIRIS data, See: