[en] This study aims to compare, on the one hand, the geographical distribution of the desert dust source areas, their contribution to quantities emitted into the atmosphere, the trajectories and the quantities deposited, with on the other hand the areas of research interest focused on the desert dust impacts on air quality and/or human health. Based on a systematic review of the literature using the ISI Web of Knowledge database, we found 231 articles published over the last decade on the desert dust impacts on air quality. Of these, 48% concerned Asian dust and 39% Saharan dust, with the remaining 13% divided between the other dust source areas. However, only one of these studies addressed the worsening air pollution in West Africa, even though it is very close to the Sahara, the greatest contributor to the global dust budget. Moreover, there have been very few studies (41) looking at the direct links between desert dust and human health; in this context too, no interest has been shown in West Africa. Yet this region is also among the areas in which morbidity rates have been noted to be far higher than those found in other regions of the world, and where respiratory infections alone account for more than 20% of the causes of infant mortality. This survey highlights a clear imbalance
between those areas most exposed to dust and the most studied areas in terms of dust impacts. Given these findings and the often alarming results published about other regions of the world, we advocate a revival of interest in research on West Africa in order to achieve a better understanding of the desert dust impacts on air quality and health among the populations of this region.
Disciplines :
Environmental sciences & ecology Public health, health care sciences & services Earth sciences & physical geography
Author, co-author :
De Longueville, Florence ; Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP > Département de géographie
Hountondji, Yvon-Carmen ; Université de Liège - ULiège > Sciences agronomiques > Laboratoire de Toxicologie environnementale
Henry, Sabine
Ozer, Pierre ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Département des sciences et gestion de l'environnement
Language :
English
Title :
What do we know about effects of desert dust on air quality and human health in West Africa compared to other regions?
Afeti G.M., Resch F.J. Physical characteristics of Saharan dust near the Gulf of Guinea. Atmos Environ 2000, 34:1273-1279.
Anuforom A.C. Spatial distribution and temporal variability of Harmattan dust haze in sub-Sahel West Africa. Atmos Environ 2007, 41:9079-9090.
Anuforom A.C., Akeh L.E., Okeke P.N., Opara F.E. Inter-annual variability and long-term trend of UV-absorbing aerosols during Harmattan season in sub-Saharan West Africa. Atmos Environ 2007, 41:1550-1559.
National standards for criteria air pollutants in Australia 2005, Australian Government, Department of the Environment, Water, Heritage and the Arts, http://www.environment.gov.au/atmosphere/airquality/publications/standards.html. Last accessed: January 13, 2009.
Aziz J.A. Towards establishing air quality guidelines for Pakistan. East Mediterr Health J 2006, 12:886-893.
Bae GN, Lim DY, Kim MC, Moon KC, Shim SG. Nd. Size distribution of Asian dust observed at Seoul during the spring of 2002. Proceedings of the 3rd Asian Aerosol Conference, Kowloon, Hong Kong; 2004. Last accessed: January 13, 2009. http://www.ust.hk/~3aachk/Index/Thu-E01.pdf.
Baldasano J.M., Valera E., Jiménez P. Air quality data from large cities. Sci Total Environ 2003, 307:141-165.
Bousquet J., Ndiaye M., Aït-Khaled N., Annesi-Maesano I., Vignola A.-M. Management of chronic respiratory and allergic diseases in developing countries. Focus on sub-Saharan Africa. Allergy 2003, 58:265-283.
Breuning-Madsen H., Awadzi T.W. Harmattan dust position and particle size in Ghana. Catena 2005, 63:23-38.
Bruce N., Perez-Padilla R., Albalak R. Indoor air pollution in developing countries: a major environmental and public health challenge. B World Health Organ 2000, 78:1078-1092.
Bryce J., Boschi-Pinto C., Shibuya K., Black R.E. WHO estimates of the causes of death in children. Lancet 2005, 365:1147-1152. the WHO Child Health Epidemiology Reference Group.
CETESB Relatório da qualidade do ar no Estado de São Paulo 2001. São Paulo: CETESB 2002, 117p. http://www.cetesb.sp.gov.br. Last accessed: January 13, 2009.
Chen Y.S., Sheen P.C., Chen E.R., Liu Y.K., Wu T.N., Yang C.Y. Effects of Asian dust storm events on daily mortality in Taipei, Taiwan. Environ Res 2004, 95:151-155.
Cheng M.F., Ho S.C., Chiu H.F., Wu T.N., Chen P.S., Yang C.Y. Consequences of exposure to Asian dust storm events on daily pneumonia hospital admissions in Taipei, Taiwan. J Toxicol Env Health 2008, 71:1295-1999.
Chiapello I., Bergametti G., Gomes L., Chatenet B., Dulac F., Pimenta J., et al. An additional low layer transport of Sahelian and Saharan dust over the North-Eastern Tropical Atlantic. Geophys Res Lett 1995, 22:3191-3194.
Chung Y.-S., Kim H.-S., Dulam J., Harris J. On heavy dustfall observed with explosive sandstorms in Chongwon-Chongju, Korea in 2002. Atmos Environ 2003, 37:3425-3433.
Cicero-Fernandez P., Torres V., Rosales A., Cesar H., Dorland K., Muñoz R., et al. Evaluation of human exposure to ambient PM10 in the metropolitan area of Mexico City using a GIS-based methodology. J Air Waste Manag Assoc 2001, 51:1586-1593.
Craig M., Snow R.W., Le Sueur D. A climate-based distribution model of malaria transmission in sub-Saharan Africa. Parasitol Today 1999, 15:105-111.
D'Almeida G.A. A model for Saharan dust transport. J Climatol App Meteorol 1986, 25:903-916.
Draxler R.R., Gillette D.A., Kirkpatrick J.S., Heller J. Estimating PM10 air concentrations from dust storms in Iraq, Kuwait and Saudi Arabia. Atmos Environ 2001, 35:4315-4330.
Engelstaedter S., Tegen I., Washington R. North African dust emissions and transport. Earth Sci Rev 2006, 79:73-100.
Engelstaedter S., Washington R. Atmospheric controls on the annual cycle of North African dust. J Geophys Res 2007, 112:D03103. 10.1029/2006JD007195.
Council directive 1999/30/EC relating to limit values for sulfur dioxide, nitrogen dioxide and lead in ambient air. Off J Eur Communities 1999, 14-30. EU, (OJ L 163 29.6.1999).
Ezzati M. Indoor air pollution and health in developing countries. Lancet 2005, 366:104-106.
Ezzati M., Kammen D.M. Quantifying the effects of exposure to indoor air pollution from biomass combustion on acute respiratory infections in developing countries. Environ Health Persp 2001, 109:481-488.
Fang X., Xie Y., Li L. Effects of duststorms on the air pollution in Beijing. Water Air Soil Poll 2003, 3:93-101.
Fourn L., Fayomi E.B. Pollution atmosphérique en milieu urbain à Cotonou et à Lokossa, Bénin = air pollution in urban area in Cotonou and Lokossa, Benin. Bull Soc Pathol Exot 2006, 99:264-268.
Gillies J.A., Nickling W.G., McTainsh G.H. Dust concentrations and particle-size characteristics of an intense dust haze event: inland delta region, Mali, West Africa. Atmos Environ 1996, 7:1081-1090.
Ginoux P., Prospero J.M., Torres O., Chin M. Long-term simulation of global dust distribution with the GOCART model: correlation with North Atlantic oscillation. Environ Modell Softw 2004, 19:113-128.
Glew R.H., Kassam H., Vander Voort J., Agaba P.A., Harkins M., VanderJagt D.J. Comparison of pulmonary function between children living in rural and urban areas in northern Nigeria. J Trop Pediatr 2004, 50:209-216.
Gozun E. Ambient air quality standards in Asia: is there a trend towards stricter standards? Better Air Quality Workshop 2006, Yogyakarta, Indonesia 2006, 13-15 December.
Gyan K., Henry W., Lacaille S., Laloo A., Lamsee-Ebanks C., McKay S., et al. African dust clouds are associated with increased paediatric asthma accident and emergency admissions on the Caribbean island of Trinidad. Int J Biometeorol 2005, 49:371-376.
Herman J.R., Bhartia P.K., Torres O., Hsu C., Seftor C., Celarier E. Global distribution of UV-absorbing aerosols from Nimbus 7/TOMS data. J Geophys Res 1997, 102:16, 911-16,922.
Kalkstein L.S., Smoyer K.E. The impact of climate change on human health: some international implications. Experientia 1993, 49:969-979.
Kellogg C.A., Griffin D.W., Garrison V.H., Peak K.K., Royall N., Smith R.R., et al. Characterization of aerosolised bacteria and fungi from desert events in Mali, West Africa. Aerobiologia 2004, 20:99-110.
Kubilay N., Cokacar T., Oguz T. Optical properties of mineral dust outbreaks over the northeastern Mediterranean. J Geophys Res 2003, 108(D21):4666. 10.1029/2003JD003798.
Kwon H.J., Cho S.H., Chun Y., Lagarde F., Pershagen G. Effects of the Asian dust events on daily mortality in Seoul, Korea. Environ Res 2002, 90:1-5.
Legrand M., Bertrand J., Desbois M., Menenger L., Fouquart Y. The potential of infrared satellite data for the retrieval of Saharan-dust optical depth over Africa. J Appl Meteor 1989, 28:309-319.
Mahowald N.M., Ballantine J.A., Feddema J., Ramankutty N. Global trends in visibility: implications for dust sources. Atmos Chem Phys 2007, 7:3309-3339.
McMichael A.J. Impact of climatic and other environmental changes on food production and population health in the coming decades. P Nutr Soc 2001, 60:195-201.
McTainsh G.H. Harmattan dust deposition in northern Nigeria. Nature 1980, 286:587-588.
McTainsh G.H., Nickling W.G., Lynch A.W. Dust deposition and particle size in Mali, West Africa. Catena 1997, 29:307-322.
Meng Z.Q., Lu B. Dust events as a risk factor for daily hospitalization for respiratory and cardiovascular diseases in Minqin, China. Atmos Environ 2007, 41:7048-7058.
Middleton N.J., Goudie A.S. Saharan dust: sources and trajectories. Trans Inst Br Geogr 2001, 26:165-181.
Middleton N.J., Yiallouros P., Kleanhous S., Kolokotroni O., Schwartz J., Dockery D.W., et al. 10-year time-series analysis of respiratory and cardiovascular morbidity in Nicosia, Cyprus: the effects of short-term changes in air pollution and dust storms. Environ Health 2008, 7:39.
Miller R.L., Perlwitz J., Tegen I. Feedback upon dust emission by dust radiative forcing through the planetary boundary layer. J Geophys Res 2004, 109:D24209. 10.1029/2004JD004912.
Ministry of Environment. Government of British Columbia. Nd. Environmental Quality Branch. CODES, CRITERIA AND MORE. Air Quality Objectives for PM10; 2006. Last accessed: January 13, 2009. http://www.env.gov.bc.ca/air/codes/aqopm.html.
The social report. Air quality 2008, Ministry of Social Development (New Zealand), http://www.socialreport.msd.govt.nz/physical-environment/air-quality.html. Last accessed: January 13, 2009.
Molinaroli E., Gerzoni S., Giacarlo R. Contribution of Sahara dust to the Central Mediterranean Basin. Geol Soc Am Spec Pap 1993, 284:303-312.
Monteil M.A. Saharan dust clouds and human health in the English-speaking Caribbean: what we know and don't know. Environ Geochem Hlth 2008, 30:339-343.
Morris S.S., Black R.E., Tomaskovic L. Predicting the distribution of under-five deaths by cause in countries without adequate vital registration systems. Int J Epidemiol 2003, 32:1041-1051.
N'Tchayi Mbourou G., Bertrand J.J., Nicholson S.E. The diurnal and seasonal cycles of wind-borne dust over Africa north of the equator. J Applied Meteor 1997, 39:868-882.
O'Hara S.L., Wiggs G.F.S., Mamedov B., Davidson G., Hubbard R.B. Exposure to airborne dust contaminated with pesticide in the Aral Sea region. Lancet 2000, 355:627-628.
Olcese L.E., Toselli B.M. Statistical analysis of PM10 measurements in Cordoba City, Argentina. Meteorol Atmos Phys 1998, 66:123-130.
Ozer P. Les lithométéores en région sahélienne. Int J TropEcol Geogr 2001, 24:1-317.
Ozer P. Estimation de la pollution particulaire naturelle de l'air en 2003 à Niamey (Niger) à partir de données de visibilité horizontale. Environ Risques Santé 2005, 4:43-49.
Ozer P., Bodart C., Tychon B. Analyse climatique de la région de Gouré, Niger oriental: récentes modifications et impacts environnementaux. CyberGeo: Eur J Geogr 2005, 308:1-24.
Ozer P., Courel M.F., Goudie A.S. International year of deserts, desertification and dust. Afr Health 2006, 28:3.
Ozer P., Laghdaf M.B.O.M., Lemines S.O.M., Gassani J. Estimation of air quality degradation due to Saharan dust at Nouakchott, Mauritania, from horizontal visibility data. Water Air Soil Poll 2006, 1-4:79-87. 10.1007/s11270-006-9152-8.
Park J.W., Lim Y.H., Kyung S.Y., An C.H., Lee S.P., Jeong S.H., et al. Effects of ambient particulate matter on peak expiratory flow rates and respiratory symptoms of asthmatics during Asian dust periods in Korea. Respirology 2005, 10:470-476.
Perez L., Tobias A., Querol X., Künzli N., Pey J., Alastuey A., et al. Coarse particles from Saharan dust and daily mortality. Epidemiology 2008, 19:800-807.
Perry K.D., Cahill T.A., Edlred R.A., Dutcher D.D., Gill T.E. Long-range transport of North African dust to the eastern United States. J Geophys Res 1997, 102(D10):11,225-11,238.
Prospero J.M. Assessing the impact of advected african dust on air quality and health in the Eastern United States. Hum Ecolog Risk Assess 1999, 5:471-479.
Prospero J.M. Long-term measurements of the transport of African mineral dust to the southeastern United States: implication for regional air quality. J Geophys Res 1999, 104:15917-15927.
Prospero J.M. African dust in America. Geotimes 2001, 46:24-27.
Prospero J.M., Ginoux P., Torres O., Nicholson S.E., Gill T.E. Environmental characterization of global sources of atmospheric soil dust identified with the nimbus 7 total ozone mapping spectrometer (TOMS) absorbing aerosol product. Rev Geophys 2002, 40(1):1002. 10.1029/2000RG000095.
Qian Z., Zhang J., Wei F., Wilson W.E., Chapman R.S. Long-term ambient air pollution levels in four Chinese cities: inter-city and intra-city concentration gradients for epidemiological studies. J Expo Anal Environ Epidemiol 2001, 11:341-351.
Querol X., Alastuey A., Rodriguez S., Plana F., Ruiz C.R., Cots N., et al. PM10 and PM2.5 source apportionment in the Barcelona Metropolitan area, Catalonia, Spain. Atmos Environ 2001, 35:6407-6419.
Resch F., Sunnu A., Afeti G. Saharan dust flux and deposition rate near the Gulf of Guinea. Tellus 2007, 60:98-105.
Rodriguez S., Querol X., Alastuey A., Kallos G., Kakaliagou O. Saharan dust contributions to PM10 and TSP levels in Southern and Eastern Spain. Atmos Environ 2001, 35:2433-2447.
Romieu I., Samet J.M., Smith K.R., Bruce N. Outdoor air pollution and acute respiratory infections among children in developing countries. J Occup Environ Med 2002, 44:640-649.
Rutherford S., Clark E., McTainsh G., Simpson R., Mitchell C. Characteristics of rural dust events shown to impact on asthma severity in Brisbane, Australia. Int J Biometeorol 1999, 42:217-225.
Sandstrom T., Forsberg B. Desert dust. An unrecognized source of dangerous air pollution?. Epidemiology 2008, 19:808-809.
Sassen K.P., DeMott P.J., Prospero J.M., Poellot M.R. Saharan dust storms and indirect aerosol effects on clouds: CRYSTAL-FACE results. Geophys Ress Lett 2003, 30(12):1633. 10.1029/2003GL017371.
Smith K.R., Corvalán C.F., Kjellström T. How much global ill health is attributable to environmental factors?. Epidemiology 1999, 10:574-584.
Sunnu A., Afeti G., Resch F. A long-term experimental study of the Saharan dust presence in West Africa. Atmos Res 2008, 87:13-26.
Tanaka T.Y., Chiba M. A numerical study of the contribution of dust source regions to the global dust budget. Glob Planet Change 2006, 52:88-104.
Tegen I., Fung I. Modeling of mineral dust in the atmosphere: sources, transport, and optical-thickness. J Geophys Res 1994, 99:22897-22914.
US EPA Guideline for reporting of daily air quality - air quality index (AQI). U.S. Environmental Protection Agency Research Triangle Park, North Carolina 2006, http://www.epa.gov/ttncaaa1/t1/memoranda/rg701.pdf. Last accessed: January 13, 2009.
Washington R., Todd M., Middleton N.J., Goudie A.S. Duststorm source areas determined by the total ozone monitoring spectrometer and surface observations. Ann Assoc Am Geogr 2003, 93:297-313.
Wiggs G.F.S., O'Hara S.L., Wegerdt J., Van Der Meers J., Small I., Hubbard R. The dynamics and characteristics of aeolian dust in dryland Central Asia: possible impacts on human exposure and respiratory health in the Aral Sea basin. Geogr J 2003, 169:142-157.
Xie S.D., Yu T., Zhang Y.H., Zeng L.M., Qi L., Tang X.Y. Characteristics of PM10, SO2, NOX, and O3 in ambient air during the dust storm period in Beijing. Sci Total Environ 2005, 345:153-164.
Yang K.L. Spatial and seasonal variation of PM10 mass concentrations in Taiwan. Atmos Environ 2002, 36:3403-3411.
Yoo Y., Choung J.T., Yu J.H., Kim D.K., Koh Y.Y. Acute effects of Asian dust events on respiratory symptoms and peak expiratory flow in children with mild asthma. J Korean Med Sci 2008, 23:66-71.
Zender C.S., Bian H., Newman D. Mineral dust entrainment and deposition (DEAD) model: description and 1990s dust climatology. J Geophys Res 2003, 108(D14):4416. 10.1029/2002JD002775.
Zender C.S., Miller R.L., Tegen I. Quantifying mineral dust mass budgets: terminology, constraints, and current estimates. Eos 2004, 85:509-512.
