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Under sun-light illumination, the shape of the atmospheric oxygen bands (O2-B, 687 nm and O2-A, 760 nm) of the vegetation radiance is modified by chlorophyll fluorescence. However for far-range measurements, atmospheric effects also modify this shape. In this study, measurements in O2-A and O2-B absorption bands have been performed at different altitudes up to 3123 m over bare soil and wheat fields...
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