Airborne particle granulometry and micromorphology during working and not working days in the Brussels environment

P. Vanderstraeten; Y. Lénelle; A. Meurrens; D. Carati; L. Brenig; Z. Y. Offer

doi:10.2495/AIR06029

Airborne particle granulometry and micromorphology during working and not working days in the Brussels environment

P. Vanderstraeten, Y. Lénelle, A. Meurrens, D. Carati, L. Brenig, Z. Y. Offer

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

4 Scopus citations

Abstract

We report and analyze here data on airborne particles up to PM10, measured in the Brussels region from October 2002 through to September 2003. The purpose of this study was to measure the impact of urban activities on airborne particles. Differences in the granulometry and micromorphology of particles sampled on working days and weekends were studied. Two parameters are computed for a large number of collected particles. The first parameter is the isoperimetric quotient, IQ, defined as the area A of the planar projection of the particle divided by the square of its perimeter (rescaled by 4π), i.e. IQ=4π A/p². This parameter is smaller or equal to one (for a circular planar projection) and measures the particle surface irregularity or roughness. The second parameter, β, corresponds to the ratio L ₁/L₂ between the projected major and minor axis of the particle. It is larger or equal to one and represents the particle elongation. We observed significant tendencies in the particles distributions in terms of IQ and β.

Original language	English
Title of host publication	Air Pollution XIV
Publisher	WITPress
Pages	287-295
Number of pages	9
Volume	86
ISBN (Print)	1845641655, 9781845641658
DOIs	https://doi.org/10.2495/AIR06029
State	Published - 1 Jan 2006
Event	14th International Conference on Modelling, Monitoring and Management of Air Pollution 2006, AIR06 - The New Forest, United Kingdom Duration: 22 May 2006 → 24 May 2006

Conference

Conference	14th International Conference on Modelling, Monitoring and Management of Air Pollution 2006, AIR06
Country/Territory	United Kingdom
City	The New Forest
Period	22/05/06 → 24/05/06

Keywords

Airborne particle
Brussels environment
Granulometry
Micromorphology

ASJC Scopus subject areas

Environmental Science (all)

Access to Document

10.2495/AIR06029

Cite this

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title = "Airborne particle granulometry and micromorphology during working and not working days in the Brussels environment",

abstract = "We report and analyze here data on airborne particles up to PM10, measured in the Brussels region from October 2002 through to September 2003. The purpose of this study was to measure the impact of urban activities on airborne particles. Differences in the granulometry and micromorphology of particles sampled on working days and weekends were studied. Two parameters are computed for a large number of collected particles. The first parameter is the isoperimetric quotient, IQ, defined as the area A of the planar projection of the particle divided by the square of its perimeter (rescaled by 4π), i.e. IQ=4π A/p2. This parameter is smaller or equal to one (for a circular planar projection) and measures the particle surface irregularity or roughness. The second parameter, β, corresponds to the ratio L 1/L2 between the projected major and minor axis of the particle. It is larger or equal to one and represents the particle elongation. We observed significant tendencies in the particles distributions in terms of IQ and β.",

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Vanderstraeten, P, Lénelle, Y, Meurrens, A, Carati, D, Brenig, L & Offer, ZY 2006, Airborne particle granulometry and micromorphology during working and not working days in the Brussels environment. in Air Pollution XIV. vol. 86, WITPress, pp. 287-295, 14th International Conference on Modelling, Monitoring and Management of Air Pollution 2006, AIR06, The New Forest, United Kingdom, 22/05/06. https://doi.org/10.2495/AIR06029

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AU - Vanderstraeten, P.

AU - Lénelle, Y.

AU - Meurrens, A.

AU - Carati, D.

AU - Brenig, L.

AU - Offer, Z. Y.

PY - 2006/1/1

Y1 - 2006/1/1

N2 - We report and analyze here data on airborne particles up to PM10, measured in the Brussels region from October 2002 through to September 2003. The purpose of this study was to measure the impact of urban activities on airborne particles. Differences in the granulometry and micromorphology of particles sampled on working days and weekends were studied. Two parameters are computed for a large number of collected particles. The first parameter is the isoperimetric quotient, IQ, defined as the area A of the planar projection of the particle divided by the square of its perimeter (rescaled by 4π), i.e. IQ=4π A/p2. This parameter is smaller or equal to one (for a circular planar projection) and measures the particle surface irregularity or roughness. The second parameter, β, corresponds to the ratio L 1/L2 between the projected major and minor axis of the particle. It is larger or equal to one and represents the particle elongation. We observed significant tendencies in the particles distributions in terms of IQ and β.

AB - We report and analyze here data on airborne particles up to PM10, measured in the Brussels region from October 2002 through to September 2003. The purpose of this study was to measure the impact of urban activities on airborne particles. Differences in the granulometry and micromorphology of particles sampled on working days and weekends were studied. Two parameters are computed for a large number of collected particles. The first parameter is the isoperimetric quotient, IQ, defined as the area A of the planar projection of the particle divided by the square of its perimeter (rescaled by 4π), i.e. IQ=4π A/p2. This parameter is smaller or equal to one (for a circular planar projection) and measures the particle surface irregularity or roughness. The second parameter, β, corresponds to the ratio L 1/L2 between the projected major and minor axis of the particle. It is larger or equal to one and represents the particle elongation. We observed significant tendencies in the particles distributions in terms of IQ and β.

KW - Airborne particle

KW - Brussels environment

KW - Granulometry

KW - Micromorphology

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ER -

Airborne particle granulometry and micromorphology during working and not working days in the Brussels environment

Abstract

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Keywords

ASJC Scopus subject areas

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