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Tanré et al. 2001
Tanré, D., Kaufman, Y.J., Holben, B.N., Chatenet, B., Karnieli, A., Lavenu, F., Blarel, L., Dubovik, O., Remer, L.A. and Smirnov, A. (2001). Climatology of dust aerosol size distribution and optical properties derived from remotely sensed data in the solar spectrum. Journal of Geophysical Research 106: doi: 10.1029/2000JD900663. issn: 0148-0227.

Simultaneous spectral remote observations of dust properties from space and from the ground create a powerful tool for the determination of ambient dust properties integrated on the entire atmospheric column. The two measurement methods have a complementary sensitivity to variety of dust properties. The methodology is demonstrated using spectral measurements (0.47--2.21 μm) from Landsat TM over the bright Senegalian coast and dark ocean, and Aerosol Robotic Network (AERONET) radiances measured in several locations. We derive (1) the dust size distribution, showing a dominant coarse mode at 1--5 μm and a secondary mode around 0.5 μm effective radius; (2) dust absorption, which is found to be substantially smaller than reported from previous measurements; (3) the real part of the refractive index which varies within the range 1.53--1.46; and we show that (4) the effect of the dust nonspherical shape on its optical properties is not significant for scattering angles <120¿. ¿ 2001 American Geophysical Union

BACKGROUND DATA FILES

Abstract

Keywords
Atmospheric Composition and Structure, Aerosols and particles (0345, 4801), Atmospheric Composition and Structure, Transmission and scattering of radiation, Meteorology and Atmospheric Dynamics, Radiative processes, Meteorology and Atmospheric Dynamics, Remote sensing
Journal
Journal of Geophysical Research
http://www.agu.org/journals/jb/
Publisher
American Geophysical Union
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