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Vanderstraeten, P., IBGE-BIM, Brussels Institute for Environment Management, Belgium
Lénelle, Y., IBGE-BIM, Belgium
Meurrens, A., IBGE-BIM, Belgium
Carati, D., ULB, Université Libre de Bruxelles, Belgium
Brenig, L., ULB, Université Libre de Bruxelles, Belgium
Delcloo, A., IRM-KMI, Royal Belgian Meteorological Institute, Belgium
Offer, Z.Y., BGU, Ben-Gurion University, Israel
Zaady, E., ARO, Department of Natural Resources and Field Crops, Gilat Research Center, 85280Mobile, Israel
Erosion, transport and deposition of atmospheric dust are largely determined by the nature and state of the earth's surface (the dust source) and the physical characteristics of the atmosphere. The state of the atmosphere is subject to important temporal variations related to diurnal and seasonal cycles and to synoptic conditions. The dynamic evolution of particulate concentrations measured at Brussels showed a significant peak in PM10 during 24-25 March 2007. The 4-day backward trajectories calculated for this peak attributed its cause to a dust storm that had occurred 2 days earlier in the Sahara. Chemical analysis showed a significant similarity to Saharan dust composition, primarily oxides of Si, Fe, and Al. On 29 March, another peak with a very high PM concentration and an elevated PM2.5-to-PM10 ratio was recorded in Brussels. Analysis of its PM profile showed that it was mainly caused by formation of secondary aerosols. © 2008 Elsevier Ltd. All rights reserved.
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Dust storm originate from Sahara covering Western Europe: A case study
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Vanderstraeten, P., IBGE-BIM, Brussels Institute for Environment Management, Belgium
Lénelle, Y., IBGE-BIM, Belgium
Meurrens, A., IBGE-BIM, Belgium
Carati, D., ULB, Université Libre de Bruxelles, Belgium
Brenig, L., ULB, Université Libre de Bruxelles, Belgium
Delcloo, A., IRM-KMI, Royal Belgian Meteorological Institute, Belgium
Offer, Z.Y., BGU, Ben-Gurion University, Israel
Zaady, E., ARO, Department of Natural Resources and Field Crops, Gilat Research Center, 85280Mobile, Israel
Dust storm originate from Sahara covering Western Europe: A case study
Erosion, transport and deposition of atmospheric dust are largely determined by the nature and state of the earth's surface (the dust source) and the physical characteristics of the atmosphere. The state of the atmosphere is subject to important temporal variations related to diurnal and seasonal cycles and to synoptic conditions. The dynamic evolution of particulate concentrations measured at Brussels showed a significant peak in PM10 during 24-25 March 2007. The 4-day backward trajectories calculated for this peak attributed its cause to a dust storm that had occurred 2 days earlier in the Sahara. Chemical analysis showed a significant similarity to Saharan dust composition, primarily oxides of Si, Fe, and Al. On 29 March, another peak with a very high PM concentration and an elevated PM2.5-to-PM10 ratio was recorded in Brussels. Analysis of its PM profile showed that it was mainly caused by formation of secondary aerosols. © 2008 Elsevier Ltd. All rights reserved.
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