Haze layer characterization and associated meteorological controls along the eastern coastal region of southern Africa

Journal of Geophysical Research: Atmospheres

Volumn 108, Issue 13, 2003, Pages

  Stein, Deborah C ^a   Swap, Robert J ^a   Greco, Steven ^b   Piketh, Stuart J ^c   Macko, Stephen A ^a   Doddridge, Bruce G ^d   Elias, Thierry ^e   Bruintjes, Roelof T ^f  

^a UNIVERSITY OF VIRGINIA   (United States)

^b SIMPSON WEATHER ASSOCIATES   (United States)

^c UNIVERSITY OF THE WITWATERSRAND   (South Africa)

^d UNIVERSITY OF MARYLAND   (United States)

^e UNIVERSITY OF ÉVORA   (Portugal)

^f NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

Author keywords

ENSO; Haze layers; Synoptic circulations

Indexed keywords

AEROSOL; ATMOSPHERIC POLLUTION; COASTAL ZONE; HAZE;

AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 0742304845     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2002jd003237     Document Type: Article

References (45)

1. Andreae, M. O., Climatic effects of changing atmospheric aerosol levels, in World Survey of Climatology, vol. 16, Future Climates of the World, edited by A. Henderson-Sellers, pp. 341-392, Elsevier Sci., New York, 1995.
2. Andreae, M. O., A. Chapuis, B. Cros, J. Fontan, G. Helas, C. Justice, Y. J. Kaufman, A. Minga, and D. Nganga, Ozone and Aitken nuclei over equatorial Africa: Airborne observations during DECAFE 88, J. Geophys. Res., 97, 6137-6148, 1992.
3. Annegarn, H. J., L. Otter, R. J. Swap, and R. J. Scholes, Southern Africa's ecosystem in a test-tube: A perspective on the Southern African Regional Science Initiative (SAFARI 2000), S. Afr. J. Sci., 98, 111-113, 2002.
4. Charlson, R. J., J. E. Lovelock, M. O. Andreae, and S. G. Warren, Sulphate aerosols and climate (A reply). Nature, 340, 437-438, 1989.
5. Cook, K. H., A Southern Hemisphere wave response to ENSO, with implications for southern Africa precipitation, J. Atmos. Sci., 58(15), 2146-2162, 2001.
6. Cosijn, D., and P. D. Tyson, Stable discontinuities in the atmosphere over South Africa, S. Afr. J. Sci., 92, 381-386, 1996.
7. Crutzen, P. J., and M. O. Andreae, Biomass burning in the tropics: Impact on atmospheric chemistry and biogeochemical cycles, Science, 250, 1669-1678, 1990.
8. Doddridge, B. G., Report of the working session on measurement techniques and standards, in Report of The WMO Meeting of Experts on Global Carbon Monoxide Measurements, edited by P. C. Novelli and R. M. Rosson, WMO TD-645, pp. 8-11, World Meteorol. Organ., Geneva, 1995.
9. Doddridge, B. G., R. M. Morales, K. P. Rhoads, J. T. Merrill, P. C. Novelli, R. R. Dickerson, V. S. Connors, and H. G. Rechle Jr., Ground-based and airborne observations of carbon monoxide during NASA/MAPS missions SRL-1 and SRL-2, J. Geophys. Res., 103, 9305-9316, 1998.
10. Draxler, R. R., and G. D. Hess, Description of the HYSPLIT4 modeling system, NOAA Tech. Memo. ERL ARL 224, 24 pp., Natl, Oceanic and Atmos. Admin., Boulder, Colo., 1997.
11. Eck, T., et al., Variability of biomass burning aerosol optical characteristics in southern Africa during the SAFARI 2000 dry season campaign and a comparison of single scattering albedo estimates from radiometric measurements, J. Geophys. Res., 108(D13), 8477, doi:10.1029/2002JD002321, 2003.
12. Fishman, J., C. E. Watson, J. C. Larsen, and J. A. Logan, Distribution of tropospheric ozone determined from satellite data, J. Geophys. Res., 95, 1693-1696, 1990.
13. Fuelberg, H. E., R. O. Loring Jr., M. V. Watson, M. C. Sinha, K. E. Pickering, A. M. Thompson, G. W. Sachse, D. R. Blake, and M. R. Schoelberl, TRACE A trajectory intercomparison: 2. Isentropic and kinematic methods, J. Geophys. Res., 101, 23,927-23,939, 1996.
14. Garstang, M., D. Larom, R. Raspet, and M. Lindeque, Atmospheric controls on elephant communication, J. Exp. Biol., 198, 939-951, 1995.
15. Garstang, M., P. D. Tyson, R. J. Swap, M. Edwards, P. Kallberg, and J. A. Lindesay, Horizontal and vertical transport of air over southern Africa, J. Geophys. Res., 101, 23,721-23,736, 1996.
16. Garstang, M., W. N. Ellery, T. S. McCarthy, M. C. Scholes, R. J. Scholes, R. Swap, and P. D. Tyson, The contribution of aerosol- and water-borne nutrients to the functioning of the Okavango Delta ecosystem, Botswana, S. Afr. J. Sci., 94, 223-229, 1998.
17. Hallock-Waters, K. A., Trace gas observations over rural Virginia: Photochemistry and transport, Ph.D. thesis, 343 pp., Chem. Dep., Univ. of Md., College Park, 2000.
18. Helas, G., M. O. Andreae, G. Schebeske, and P. LeCanut, SA'ARI-94: A preliminary view on results, S. Afr. J. Sci., 91, 360-362, 1995.
19. Held, G., H. Scheifinger, G. M. Snyman, G. R. Tosen, and M. Zunckel, The climatology and meteorology of the highveld, in Air Pollution and Its Impacts on the South African Highveld, edited by G. Held et al., pp. 60-71, Environ. Sci. Assoc., Cleveland, South Africa, 1996.
20. Herman, J. R., P. K. Bhartia, O. Torres, C. Hsu, C. Seftor, and E. Celarier, Global distribution of UV-absorbing aerosols from Nimbus 7/TOMS data, J. Geophys. Res., 102, 16,911-16,922, 1997,
21. Hobbs, P. V., Clean air slots amid atmospheric pollution, Nature, 415, 861, 2002.
22. Husar, R. B., J. M. Prospero, and L. L. Stowe, Characterization of tropospheric aerosols over the ocean with the NOAA advanced very high resolution radiometer optical thickness operational product, J. Geophys. Res., 102, 16,889-16,909, 1997.
23. Kim, J. H., R. D. Hudson, and A. M. Thompson, A new method of deriving time-averaged tropospheric column ozone over the tropics using TOMS radiances: Intercomparison and analysis, J. Geophys. Res., 101, 24,317-24,330, 1996.
24. Larom, D., M. Garstang, M. Lindeque, R. Raspet, M. Zunckel, Y. Hong, K. Brassel, S. O'Beirne, and F. Sokolic, Meteorology and elephant infrasound at Etosha National Park, Namibia, J. Acoust. Soc. Am., 101(3), 1710-1717, 1997.
25. Lindesay, J. A., and C. H. Vogel, Historical evidence for Southern Oscillation: Southern African rainfall relationships, Int. J. Climatol., 10, 679-689, 1990.
26. Lindesay, J. A., M. O. Andreae, J. G. Goldammer, G. Harris, H. J. Annegarn, M. Garstang, R. J. Scholes, and B. W. van Wilgen, International Geosphere-Biosphere Programme/International Global Atmospheric Chemistry SAFARI-92 field experiment: Background and overview, J. Geophys. Res., 101, 23,521-23,530, 1996.
27. Magi, B. I., and P. V. Hobbs, Effects of humidity on aerosol in southern Africa during the biomass burning season, J. Geophys. Res., 108(D13), 8495, doi:10.1029/2002JD002144, 2003.
28. Mason, S. J., and J. A. Lindesay, A note on the modulation of Southern Oscillation: Southern African rainfall associations with the quasi-biennial oscillation, J. Geophys. Res., 98, 8847-8850, 1994.
29. McMillan, W., et al., Tropospheric carbon monoxide measurements from the Scanning High-resolution Interferometer Sounder on 7 September 2000 in southern Africa during SAFARI 2000, J. Geophys. Res., 108(D13), 8492. doi:10.1029/2002JD002335, 2003.
30. Nickeson, J., D. Landis, J. Privette, and J. Morrisette (Eds.), Aerosol and Fire Products, Satellite Imagery [CD-ROM], SAFARI 2000 CD-ROM Ser., vol. 2, NASA Goddard Space Flight Cent., Greenbelt, Md., 2002.
31. Piketh, S. J., R. J. Swap, C. A. Anderson, M. T. Freiman, M. Zunckel, and G. Held, The Ben Macdhui High Altitude Trace Gas and Aerosol Transport Experiment, S. Afr. J. Sci., 95, 35-43, 1999.
32. Queface, A., S. J. Piketh, H. J. Annegarn, B. Holben, and R. Utui, Retrieval of aerosol optical thickness and size distribution from CIMEL Sun photometer over Inhaca Island, Mozambique, J. Geophys, 108, doi:10.1029/2002JD002374, in press, 2003.
33. Ross, K. E., S. J. Piketh, R. J. Swap, and R. M. Staebler, Controls governing airflow over the South African lowveld, S. Afr. J. Sci., 97, 29-40, 2001.
34. Roy, C., S. Weeks, M. Rouault, G. Nelson, R. Barlow, and C. van der Lingen, Extreme oceanographic events recorded in the southern Benguela during the 1999-2000 summer season, S. Afr. J. Sci., 97, 455-460, 2001.
35. Stocks, B. J., B. W. van Wilgen, W. S. W. Trollope, D, J. McRae, J. A. Mason, F. Weirich, and A. L. F. Potgieter, Fuels and fire behavior dynamics on large-scale savanna fires in Kruger National Park, South Africa, J. Geophys. Res., 101, 23,541-23,550, 1996.
36. Swap, R. J., and P. D. Tyson, Stable discontinuities as determinants of the vertical distribution of aerosols and trace gases in the atmosphere, S. Afr. J. Sci., 95, 63-71, 1999.
37. Swap, R. J., M. Garstang, S. A. Macko, P. D. Tyson, W. Maenhaut, P. Artaxo, P. Kallberg, and R. Talbot, The long range transport of southern African aerosols to the tropical South Atlantic, J. Geophys. Res., 101, 23,777-23,791, 1996.
38. Swap, R. J., H. J. Annegarn, and L. Otter, Southern African Regional Science Initiative (SAFARI 2000): Summary of science plan, S. Afr. J. Sci., 98, 119-124, 2002a.
39. Swap, R. J., et al., Southern African Regional Science Initiative (SAFARI 2000): Overview of the dry season field campaign, S. Afr. J. Sci., 98, 125-130, 2002b.
40. Terblanche, D. E., M. P. Mittermaier, and S. J. Piketh, The Aerosol and Recirculation and Rainfall Experiment (ARREX): An initial study on aerosol-cloud interactions over South Africa, S. Afr. J. Sci., 96, 15-21, 2000.
41. Thompson, A. M., K. E. Pickering, D. P. McNamara, M. R. Schoeberl, R. D. Hudson, J. H. Kim, E. V. Browell, and V. W. J. H. Kirchoff, Where did tropospheric ozone over southern Africa and the tropical Atlantic come from in October 1992?: Insights from TOMS, GTE TRACE A, and SAFARI 1992, J. Geophys. Res., 101, 24251-24278, 1996.
42. Tyson, P. D., and R. A. Preston-Whyte, The Weather and Climate of Southern Africa, 386 pp., Oxford Univ. Press, New York, 2000.
43. Tyson, P. D., M. Garstang, and R. J. Swap, Large-scale recirculation of air over southern Africa, J. Appl. Meteorol., 35(12), 2218-2236, 1996.
44. Ziemke, J. R., S. Chandra, A. M. Thompson, and D. P. McNamara, Zonal asymmetries in southern hemisphere column ozone: Implications of biomass burning, J. Geophys. Res, 101, 14421-14427, 1996.
45. Zunckel, M., Y. Hong, K. Brassel, and S. O'Bierne, Characteristics of the nocturnal boundary layer: Okaukuejo, Namibia, during SAFARI 1992, J. Geophys. Res., 101, 23,757-23,766, 1996.