The diurnal and seasonal cycles of wind-borne dust over africa north of the equator

Journal of Applied Meteorology

Volumn 36, Issue 7, 1997, Pages 868-882

  N'Tchayi Mbourou, G ^a   Bertrand, J J ^b   Nicholson, S E ^c  

^a Univ des sci tech de Masuku   (Gabon)

^b UNIVERSITÉ ABDOU MOUMOUNI   (Niger)

^c FLORIDA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROSOL; DUST;

AFRICA, (NORTH);

EID: 0031395482     PISSN: 08948763     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0450(1997)036<0868:tdasco>2.0.co;2     Document Type: Article

References (46)

1. Andreae, M. O., 1995: Climatic effects of changing atmospheric aerosols level. World Survey of Climatology, A. Henderson-Sellers, Ed., Vol. 16, Future Climates of the World, Elsevier, 341-392.
2. _, 1996: Raising dust in the greenhouse. Nature, 380, 389-390.
3. ben Mohamed, A., 1988: Contribution á l'étude de l'aérosol. Sahélien au Niger. Ph.D. dissertation. Université de Niamey.
4. _, and J. P. Frangi, 1986: Results from ground-based monitoring of spectral aerosol optical thickness and horizontal extinction: Some characteristics of dusty Sahelian atmospheres. J. Climate Appl. Meteor., 25, 1807-1815.
5. Bergametti, G., 1987: Apports de matière par voie atmosphérique á la Méditerranée occidentale: Aspects géochimiques et météorologiques. Ph.D. dissertation. Université Paris VII, 296 pp.
6. _, L. Gomes, G. Coude-Gaussen, P. Rognon, and M. Le Coustumer, 1989: African dust observed over Canary Islands: Source regions, identification and transport pattern for some summer situations. J. Geophys. Res., 94, 14 855-14 864.
7. Bertrand, J., J. Baudet, and J. Dessens, 1973: Seasonal variations and frequency distribution of ice nuclei concentration at Abidjan, West Africa. J. Appl. Meteor., 12, 1191-1195.
8. Carlson, T. N., and S. G. Benjamin, 1980: Radiative heating rates for Saharan dust. J. Atmos. Sci., 37, 193-213.
9. Charlson, R. J., N. C. Ahlquist, and H. Horvath, 1968: On the generality of correlation of atmospheric aerosol mass concentration and light scatter. Atmos. Environ., 2, 455-464.
10. Chepil, W. S., and N. P. Woodruff, 1957: Sedimentary characteristics of dust storms: II. Visibility and dust concentrations. Atmos. J. Sci., 255, 104-114.
11. d'Almeida, G. A., 1985: Report on the study of transport of Sahelian particulate matter using Sunphotometer observations. WMO/ TD-45, 32 pp.
12. _, 1986: A model for Saharan dust transport. J. Climate Appl. Meteor., 25, 903-916.
13. _, 1987: On the variability of desert aerosol radiative characteristics. J. Geophys. Res., 92, 3017-3026.
14. Dehainsala, W., 1990: Influence des aérosols de brume sèche sur les rayonnements solaires reçus au sol et infrarouge descendant. Ph.D. dissertation, Université National de Côte d'Ivoire.
15. Dessens, J., and P. van Dinh, 1990: Frequent Saharan dust outbreaks north of the Pyrenees: A sign of climatic change? Weather, 45, 327-333.
16. Duce, R., 1995: Sources, distributions, and fluxes of mineral aerosols and their relationship to climate. Aerosol Forcing of Climate, Berlin, Germany, 43-72.
17. Fontaine, B., and S. Janicot, 1992: Wind-field coherence and its variations over West Africa. J. Climate, 5, 512-524.
18. Fouquart, Y., B. Bonnell, G. Brogniez, J. C. Buriez, L. Smith, J. J. Morcrette, and A. Cerf, 1987: Observations of Saharan aerosols: Results of ECLATS field experiment. Part II. Broadband radiative characteristics of the aerosols and vertical radiative flux divergence. J. Climate Appl. Meteor., 26, 38-52.
19. Kalu, A. E., 1979: The African dust plume: Its characteristics and propagation across West Africa in winter. Saharan Dust: Mobilization, Transport and Deposition, C. Morales, Ed., John Wiley and Sons, 95-118.
20. Karyampudi, V. M., and T. N. Carlson, 1988: Analysis and numerical simulations of the Saharan air layer and its effects on easterly wave disturbances. J. Atmos. Sci., 45, 3102-3136.
21. Legrand, M., J. Bertrand, and M. Desbois, 1983: Etude des brumes sèches sur l'Afrique de l'Ouest à l'aide de METEOSAT I. Météorologie, VI, 153-159.
22. Li, X., H. Maring, D. Savoie, K. Voss, and J. J. Prospero, 1996: Dominance of mineral dust in aerosol light scattering in the North Atlantic trade winds. Nature, 380, 416-419.
23. Newell, R. E., and J. W. Kidson, 1984: African mean wind changes between Sahelian wet and dry periods. J. Climatol., 4, 27-33.
24. Nicholson, S. E., 1980: The nature of rainfall fluctuations in subtropical West Africa. Mon. Wea. Rev., 108, 473-487.
25. _, 1989: African drought: Characteristics, causal theories and global teleconnections. Understanding Climate Change, A. Berger, R. E. Dickinson, and J. W. Kidson, Eds., Amer. Geophys. Union, 79-100.
26. _, 1996: Africa. Encyclopedia of Climate and Weather, S. H. Schneider, Ed., Simon and Schuster, 13-19.
27. _, and I. Palao, 1993: A re-evaluation of rainfall variability in the Sahel. Part I. Characteristics of rainfall fluctuations. Int. J. Climatol., 13, 371-389.
28. _, M. B. Ba, and J. Y. Kim, 1996: Rainfall in the Sahel during 1994. J. Climate, 9, 1673-1676.
29. _, J. Y. Kim, M. B. Ba, and A. R. Lare, 1997: The mean surface water balance over Africa and its interannual variability. J. Climate, in press.
30. Noll, K. E., P. K. Mueller and M. Imada, 1968: Visibility and aerosol concentration in urban, Atmos. Environ., 2, 465-475.
31. N'Tchayi Mbourou, G., J. Bertrand, M. Legrand, and J. Baudet, 1994: Temporal and spatial variations of the atmospheric dust loading throughout West Africa over the last thirty years. Ann. Geophys., 12, 265-273.
32. Prospero, J. M., 1981: Aeolian transport to the world ocean. The Sea, C. Emiliani, Ed., Vol. 7, The Oceanic Lithosphere, Wiley Interscience, 801-874.
33. _, 1995: Saharan dust transport over the North Atlantic Ocean and Mediterranean. The Impact of African Dust across the Mediterranean, Kluwer, in press.
34. _, 1996: The atmospheric transport of particles to the ocean. Particle Flux in the Ocean, V. Ittekkol, P. Schafer, S. Honjo, and P. J. Depetris, Eds., John Wiley and Sons, 19-52.
35. _, and R. T. Nees, 1986: Impact of the North African drought and El Niño on mineral dust in the Barbados trade winds. Nature, 320, 735-738.
36. _, D. L. Savoie, R. Arimoto, and F. Huang, 1993: Long-term trends in African mineral dust concentrations over the western North Atlantic: Relationship to North African rainfall. Eos, Trans. Amer. Geophys. Union, 74, 146.
37. Pye, K., 1987: Aeolian Dust and Dust Deposits. Academic Press, 334 pp.
38. Reiff, J., G. S. Forbes, F. T. M. Spieksma, and J. J. Reynders, 1986: African dust reaching northwestern Europe: A case study to verify trajectory calculations. J. Climate Appl. Meteor., 25, 1533-1567.
39. Schütz, L., R. Jaenicke, and H. Petrick, 1981: Saharan dust transport over the North Atlantic Ocean. Desert Dust: Origin, Characteristics and Effect on Man, T. L. Péwé, Ed., Geological Society of America, 87-100.
40. Tegen, I., and I. Fung, 1994: Modeling of mineral dust in the atmosphere: Sources, transport, and optical thickness. J. Geophys. Res., 99, 22 897-22 914.
41. _, and _, 1995: Contribution to the atmospheric mineral aerosol load from land surface modification. J. Geophys. Res., 100, 18 707-18 726.
42. _, A. A. Lacis, and I. Fung, 1996: The influence of mineral aerosols from disturbed soils on the global radiation budget. Nature, 380, 419-422.
43. Tucker, C. J., H. E. Dregne, and W. W. Newcomb. 1991: Expansion and contraction of the Sahara desert from 1980 to 1990. Science, 253, 299-301.
44. Vovor Mawupe, K. E., 1991: Etude des masses de poussières sahariennes et leur transport à l'aide du satellite Météosat durant les années 1984 et 1985. Ph.D. dissertation, Université National de Côte d'Ivoire.
45. Westphal, D. L., O. B. Toon, and T. N. Carlson, 1987: A two-dimensional numerical investigation of the dynamics and microphysics of Saharan dust storms. J. Geophys. Res., 92, 3027-3049.
46. _, _, and _, 1988: A case study of mobilization and transport of Saharan dust. J. Atmos. Sci., 45, 2145-2175.