Determination of Parameters of the Atmosphere and the Surface in a Clear Atmosphere - Short-Wave Solar Radiation in the Earth's Atmosphere - page 200

albedo could not be obtained with the accuracy exceeding the instrument
accuracy. Indeed, this very accuracy would be obtained without atmosphere.
Taking this fact into account the relevant correction has been introduced to
the SD value finally attributed to the spectral albedo, for it is not lower than
the random SD of K-3 instrument observations (Table 3.1).
It could be ascertained from the first experience of the inverse problem
solving that the problem in question is quite solvable. There is sufficiently high
susceptibility of the downwelling and upwelling irradiances to the variations
of the gas and aerosol composition of the atmosphere and surface albedo. The
strongrelationshipbetweenthe retrieval resultsandsystematicuncertaintiesof
calibration, graduation, and instrumental function is revealed. To diminish this
relationship and to account for the calibration parameters correctly, they are
to be included to the vector of the retrieved parameters, while the algorithm is
improving. Thus, it is seen that the presentedmethod allows the full and correct
extraction of the information about the aerosol and gaseous composition of
theatmospherefromthelargearraysoftheaccumulateddataofthefield
observations. It is doubtless that the elements of this method could be used in
the processing algorithms of the contemporary satellite data of the scattered
and reflected solar radiation in the shortwave spectral range (Vasilyev A et al.
1998).

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