title: Introduction to the DAPPLE Air Pollution Project.
abstract: The Dispersion of Air Pollution and its Penetration into the Local Environment (DAPPLE) project brings together a multidisciplinary research group that is undertaking field measurements, wind tunnel modelling and computer simulations in order to provide better understanding of the physical processes affecting street and neighbourhood-scale flow of air, traffic and people, and their corresponding interactions with the dispersion of pollutants at street canyon intersections. The street canyon intersection is of interest as it provides the basic case study to demonstrate most of the factors that will apply in a wide range of urban situations. The aims of this paper are to introduce the background of the DAPPLE project, the study design and methodology for data collection, some preliminary results from the first field campaign in central London (28 April-24 May 2003) and the future for this work. Updated information and contact details are available on the web site at http://www.dapple.org.uk.
authors.affiliation: Department of Environmental Science and Technology, Royal school of Mines Building (Rm. 4.33), Imperial College London, Prince Consort Rd., South Kensington, London SW7 2BP, UK. s.arnold@imperial.ac.uk
authors.forename: S J
authors.initials: SJ
authors.lastname: Arnold
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authors.lastname: ApSimon
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authors.lastname: Barlow
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authors.initials: S
authors.lastname: Belcher
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authors.lastname: Boddy
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authors.lastname: Britter
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authors.initials: H
authors.lastname: Cheng
authors.forename: R
authors.initials: R
authors.lastname: Clark
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authors.initials: RN
authors.lastname: Colvile
authors.forename: S
authors.initials: S
authors.lastname: Dimitroulopoulou
authors.forename: A
authors.initials: A
authors.lastname: Dobre
authors.forename: B
authors.initials: B
authors.lastname: Greally
authors.forename: S
authors.initials: S
authors.lastname: Kaur
authors.forename: A
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authors.lastname: Knights
authors.forename: T
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authors.lastname: Lawton
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authors.lastname: Makepeace
authors.forename: D
authors.initials: D
authors.lastname: Martin
authors.forename: M
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authors.lastname: Neophytou
authors.forename: S
authors.initials: S
authors.lastname: Neville
authors.forename: M
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authors.lastname: Nieuwenhuijsen
authors.forename: G
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authors.lastname: Nickless
authors.forename: C
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authors.lastname: Price
authors.forename: A
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authors.lastname: Robins
authors.forename: D
authors.initials: D
authors.lastname: Shallcross
authors.forename: P
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authors.lastname: Simmonds
authors.forename: R J
authors.initials: RJ
authors.lastname: Smalley
authors.forename: J
authors.initials: J
authors.lastname: Tate
authors.forename: A S
authors.initials: AS
authors.lastname: Tomlin
authors.forename: H
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authors.lastname: Wang
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authors.lastname: Walsh
mesh_terms: D000397:Air Pollution / Q000032:analysis* / Q000706:statistics & numerical data; D002248:Carbon Monoxide / Q000032:analysis; D002947:Cities; D004781:Environmental Exposure; D004784:Environmental Monitoring / Q000295:instrumentation / Q000379:methods*; D010316:Particle Size; D013997:Time Factors; D006113:United Kingdom; D014919:Wind
chemical_list: D002248:Carbon Monoxide