The reflectance of naturally occurring surfaces is measured from a twin engine Cessna 402B aircraft both spectrally (0.29-0.40 micron) with a compact double monochromator and broadband (0.29-1.2 micron) with a UV enhanced photodiode. The measurement system, which is computer controlled and electrically isolated from the aircraft, consists of upward and downward looking hemispheric diffusers, filters, a rotating 90 deg mirror, a focusing lens, and a double monochromator/PMT or the UV photodiode. Measurements are taken at several altitudes enabling the empirical determination of backscatter and attenuation effects on the reflectance. The results are presented for pine forest canopy, green farmland, open ocean, and brown farmland as a function of wavelength and altitude.


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    Title :

    Surface reflectance measurements in the UV from an airborne platform. I


    Contributors:

    Published in:

    Publication date :

    1980-07-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English





    Airborne Platform Measurements

    M. Bader | NTIS | 1968


    Airborne platform measurements

    Bader, M. | NTRS | 1968



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