Characterization of individual airborne particles by using aerosol time-of-flight mass spectrometry at Mace Head, Ireland

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@article{f9fcdc41afb04825bf1d03410f94432e,
title = "Characterization of individual airborne particles by using aerosol time-of-flight mass spectrometry at Mace Head, Ireland",
abstract = "An aerosol time-of-flight mass spectrometer was deployed at Mace Head (Ireland dring August 2002. The measurements provide qualitative chemical composition and size distribution (0.3-3 μm) information for single particles. Three broad categories of particles: sea salt, dust, and carbon-containing particles were identified and apportioned, and their temporal evolution (1 hour resolution) is described. Aerosol sources were correlated with meteorological factors and with air mass trajectories, demonstrating long-range transport of different continental air masses from Europe, Africa, and America. The major class of particles was derived from sea salt and was subdivided into pure, mixed, and aged sea salt according to the extent of displacement of chloride by nitrate. Two types of dust particles were found mainly in the coarse mode (>1 μm); the former, thought to originate from the Sahara, presented an aluminium/silicon signature, while the latter, of more local origin, had a calcium-rich composition. Carbon-containing particles were mainly distributed in the fine mode (<1 μm) and associated with different chemical species in different size modes, suggesting different mechanisms of formation.",
keywords = "Aerosol mass spectrometry, ATOFMS, Mace Head, Marine aerosols, Saharan dust",
author = "Manuel Dall'Osto and Beddows, {D. C S} and Kinnersley, {Robert P.} and Harrison, {Roy M.} and Donovan, {Robert J.} and Heal, {Mathew R.}",
year = "2004",
month = nov,
day = "16",
doi = "10.1029/2004JD004747",
language = "English",
volume = "109",
journal = "Journal of Geophysical Research: Atmospheres",
issn = "2169-897X",
publisher = "American Geophysical Union",
number = "21",

}

RIS

TY - JOUR

T1 - Characterization of individual airborne particles by using aerosol time-of-flight mass spectrometry at Mace Head, Ireland

AU - Dall'Osto, Manuel

AU - Beddows, D. C S

AU - Kinnersley, Robert P.

AU - Harrison, Roy M.

AU - Donovan, Robert J.

AU - Heal, Mathew R.

PY - 2004/11/16

Y1 - 2004/11/16

N2 - An aerosol time-of-flight mass spectrometer was deployed at Mace Head (Ireland dring August 2002. The measurements provide qualitative chemical composition and size distribution (0.3-3 μm) information for single particles. Three broad categories of particles: sea salt, dust, and carbon-containing particles were identified and apportioned, and their temporal evolution (1 hour resolution) is described. Aerosol sources were correlated with meteorological factors and with air mass trajectories, demonstrating long-range transport of different continental air masses from Europe, Africa, and America. The major class of particles was derived from sea salt and was subdivided into pure, mixed, and aged sea salt according to the extent of displacement of chloride by nitrate. Two types of dust particles were found mainly in the coarse mode (>1 μm); the former, thought to originate from the Sahara, presented an aluminium/silicon signature, while the latter, of more local origin, had a calcium-rich composition. Carbon-containing particles were mainly distributed in the fine mode (<1 μm) and associated with different chemical species in different size modes, suggesting different mechanisms of formation.

AB - An aerosol time-of-flight mass spectrometer was deployed at Mace Head (Ireland dring August 2002. The measurements provide qualitative chemical composition and size distribution (0.3-3 μm) information for single particles. Three broad categories of particles: sea salt, dust, and carbon-containing particles were identified and apportioned, and their temporal evolution (1 hour resolution) is described. Aerosol sources were correlated with meteorological factors and with air mass trajectories, demonstrating long-range transport of different continental air masses from Europe, Africa, and America. The major class of particles was derived from sea salt and was subdivided into pure, mixed, and aged sea salt according to the extent of displacement of chloride by nitrate. Two types of dust particles were found mainly in the coarse mode (>1 μm); the former, thought to originate from the Sahara, presented an aluminium/silicon signature, while the latter, of more local origin, had a calcium-rich composition. Carbon-containing particles were mainly distributed in the fine mode (<1 μm) and associated with different chemical species in different size modes, suggesting different mechanisms of formation.

KW - Aerosol mass spectrometry

KW - ATOFMS

KW - Mace Head

KW - Marine aerosols

KW - Saharan dust

UR - http://www.scopus.com/inward/record.url?scp=13244291771&partnerID=8YFLogxK

U2 - 10.1029/2004JD004747

DO - 10.1029/2004JD004747

M3 - Article

AN - SCOPUS:13244291771

VL - 109

JO - Journal of Geophysical Research: Atmospheres

JF - Journal of Geophysical Research: Atmospheres

SN - 2169-897X

IS - 21

M1 - D21302

ER -