Abstract

The mass of particulates in a vertical column of dust outflow from northwestern Africa is derived with the aid of satellite measurements of nadir radiance. The measurements were made from the Landsat-1 satellite. Measurement accuracies are discussed. A radiative transfer model with a known mass of dust is developed to account for the measured radiance values. The model is constructed with knowledge of a few values of optical parameters measured from a surface ship. The accuracy of the model is discussed. The resulting mass of particulates smaller than 10-μm radius in a vertical column is 1.6 g m−2.

© 1976 Optical Society of America

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