G. Bergmetti, R. Vie-le-sage, B. Gmbis, B. Dulieu, and C. Elichegaray,

. Lett, , vol.3, pp.297-304, 1982.

I. M. Blifford and D. A. Gillette, Applications of the lognormal frequency distribution to the chemical composition and size distribution of naturally occurring atmospheric aerosols, Water Air Soil Pollut, vol.1, pp.106-114, 1971.

T. N. Carlson and S. G. Benjamin, Radiative heating rates for Saharan dust, J. Atmos. Sci, vol.37, pp.193-213, 1980.

T. N. Carlson, R. S. Caverly, R. Helgren, D. M. , and J. M. Prospero, Wind velocities associated with dust deflation events in the Western Sahara, J. Clim

, Appl. Meteorol, vol.26, pp.1147-1151, 1987.

R. Jaenicke, Aerosol physics and chemistry, in Landdt-Btrnstein, Numerical Data and Functional Relationships in Science and Technology, Fisher, new series, vol.4, p.391457, 1985.

R. Jaenicke and C. N. Davies, The mathematical expression of the size distribution of atmospheric particles, J. Aerosol Sci, vol.7, pp.255-260, 1976.

C. Junge, The importance of mineral dust as an atmospheric constituent, Saharan Dust, pp.49-60, 1979.

Y. J. Kim, H. Sieveting, and J. F. Boatman, Saharan dust at solar wave lenghts, J. Geophys. Res, vol.82, pp.3141-3152, 1977.

W. S. Chepil, Sedimentary characteristics of dust storms, m, Composition of suspended dust, Am. J. Sci, vol.255, pp.206-213, 1957.

W. S. Chepil and N. P. Woodruff, Sedimentary characteristics of dust storms, II, Visibility and dust concentration, Am. J. Sci, vol.255, pp.104-114, 1957.

G. A. Almeida, On the variability of desert aerosol radiative characteristics, J. Geophys. Res, vol.92, pp.3017-3026, 1987.

G. A. Almeida and L. Schiitz, Number, mass and volume distributions of mineral aerosols and soils of the Sahara, J. Clim. Appl. Meteorol, vol.22, pp.233-243, 1983.

C. N. Davies, Size distribution of atmospheric particles, J. Aerosol Sci, vol.5, pp.293-300, 1974.

J. Dubief, . Le, and . Sahara, Tray. Inst. Rech. Sahariennes, vol.8, pp.123-164, 1952.

Y. Fouquart, B. Bonnel, M. C. Roquai, and R. Santer, Observations of Saharan aerosols: Results of ECLATS field experiment, I, Optical thicknesses and aerosol size distributions, J. Clim. Appl. Meteorol, vol.26, pp.28-37, 1987.

D. A. Gillette, On the production of soil wind erosion aerosols having the potential for long-range transport, J. Rech. Atmos, vol.8, pp.735-744, 1974.

D. A. Gillette and W. M. Porch, The role of fluctuations of vertical and horizontal wind and particle concentration in the deposition of dust suspended by wind, J. Geophys. Res, vol.83, pp.409-414, 1978.

D. A. Gillette and T. R. Walker, Characteristics of airborne particles produced by wind erosion of sandy soil, high plains of West Texas, Soil Sci, vol.123, pp.97-110, 1977.

D. A. Gillette, I. H. Blifford, J. , and C. R. Fenster, Measurements of aerosol size distributions and vertical fluxes of aerosols on land subject to wind erosion, J. Appl. Meteorol, vol.11, pp.977-987, 1972.

D. A. Gillette, J. Adams, A. Endo, R. Smith, and . Kihl, Threshold velocities for input of soil particles into the air by desert soils, J. Geophys. Res, vol.85, pp.5621-5630, 1980.

D. A. Gillette, J. Adams, D. Muhs, and R. Kihl, Threshold friction velocities and rapture moduli for crusted desert soils for the input of soil particles into the air, J. Geophys. Res, vol.87, pp.12631-12644, 1988.

K. Kondratyev, O. B. Ya, V. S. Vassilyev, L. S. Grischechkin, and . Ivlev, Spectral radiative flux divergence and its variability in the troposphere in the 0.4-2.4 grn region, vol.13, pp.478-486, 1974.

R. Losno, G. Bergametti, and G. Mouvier, Determination of optimal conditions for atmospheric aerosol analysis by X-ray fluorescence, Environ. Tech. Lett, vol.8, pp.77-87, 1987.

E. M. Patterson and D. A. Gillette, Commonalities in measured size distributions for aerosols having a soil-derived component, J. Geophys. Res, vol.82, pp.2074-2082, 1977.

E. M. Patterson, D. A. Gillette, and G. W. Grams, The relation between the visibility and the size number distribution of airborne soil particles, J. Appl. Meteorol, vol.15, pp.470-478, 1976.

J. S. Puttock, Data inversion for cascade impactors: Fitting sums of log-normal distributions, Atmos. Environ, vol.15, pp.1709-1716, 1981.

K. Pye and L. Schiitz, Long-range transport of desert dust with special emphasis on the Sahara, Academic, vol.333, pp.515-532, 1980.

L. Schiitz and R. Jaenicke, Particle number and mass distributions above 10-4 cm radius in sand and aerosol of the Sahara Desert, J. Appl. Meteorol, vol.13, pp.863-870, 1974.

L. Schotz, R. Jaenicke, and H. Pierreck, Saharan dust transport over the North Atlantic Ocean, Desert Dust : Origin, Characteristics, and Effects on Man, vol.186, pp.87-100, 1981.

G. A. Sehrnel, Particle and gas dry deposition ß A review, Atmos. Environ, vol.14, pp.983-1011, 1980.

D. L. Westphal, O. B. Toon, and T. N. Carlson, A twodimensional numerical investigation of the dynamics microphysics of Saharan dust storms, J. Geophys. Res, vol.92, pp.3027-3049, 1987.

G. Bergametti and L. Gomes, Laboratoire de Physico-Chimie de 9003-9015, 1982. l'Aunosph?re

D. A. Gillette, R. N. Clayton, T. K. Mayeda, M. L. Jackson, and F. ,

K. Sridhar, Tropospheric aerosols from some major dust G. Coud6-Gaussen and P. Rognon, Laboratoire des storms of the Southwestern United States, Pa16oenvironnements et Pa16oclimats en Milieu Aride, vol.17, pp.832-845, 1978.