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Development of NO2 and NOx land use regression models for estimating air pollution exposure in 36 study areas in Europe - The ESCAPE project

  • Rob Beelen
  • , Gerard Hoek
  • , Danielle Vienneau
  • , Marloes Eeftens
  • , Konstantina Dimakopoulou
  • , Xanthi Pedeli
  • , Ming Yi Tsai
  • , Nino Künzli
  • , Tamara Schikowski
  • , Alessandro Marcon
  • , Kirsten T. Eriksen
  • , Ole Raaschou-Nielsen
  • , Euripides Stephanou
  • , Evridiki Patelarou
  • , Timo Lanki
  • , Tarja Yli-Tuomi
  • , Christophe Declercq
  • , Grégoire Falq
  • , Morgane Stempfelet
  • , Matthias Birk
  • Josef Cyrys, Stephanie von Klot, Gizella Nádor, Mihály János Varró, Audrius Dedele, Regina Gražulevičiene, Anna Mölter, Sarah Lindley, Christian Madsen, Giulia Cesaroni, Andrea Ranzi, Chiara Badaloni, Barbara Hoffmann, Michael Nonnemacher, Ursula Krämer, Thomas Kuhlbusch, Marta Cirach, Audrey de Nazelle, Mark Nieuwenhuijsen, Tom Bellander, Michal Korek, David Olsson, Magnus Strömgren, Evi Dons, Michael Jerrett, Paul Fischer, Meng Wang, Bert Brunekreef, Kees de Hoogh
  • Utrecht University
  • Imperial College London
  • National and Kapodistrian University of Athens
  • Swiss Tropical and Public Health Institute
  • University of Basel
  • University of Washington
  • University of Verona
  • Danish Cancer Society
  • University of Crete
  • National Institute for Health and Welfare
  • French Institute for Public Health Surveillance
  • Helmholtz Zentrum München - German Research Center for Environmental Health
  • Augsburg University
  • Hungarian National Institute of Environmental Health
  • Vytautas Magnus University
  • University of Manchester
  • Norwegian Institute of Public Health
  • Department of Epidemiology Lazio Regional Health Service
  • ARPA Emilia Romagna
  • Heinrich Heine University Düsseldorf
  • University of Duisburg-Essen
  • Air Quality and Sustainable Nanotechnology
  • (ISGlobal) Instituto de Salud Global de Barcelona
  • Hospital del Mar
  • Centro de Investigación Biomédicaen Red de Epidemiología y Salud Pública (CIBERESP)
  • Karolinska Institutet
  • Umeå University
  • Flemish Institute for Technological Research
  • Hasselt University
  • University of California at Berkeley
  • National Institute of Public Health and the Environment

Research output: Contribution to journalArticlepeer-review

886 Scopus citations

Abstract

Estimating within-city variability in air pollution concentrations is important. Land use regression (LUR) models are able to explain such small-scale within-city variations. Transparency in LUR model development methods is important to facilitate comparison of methods between different studies. We therefore developed LUR models in a standardized way in 36 study areas in Europe for the ESCAPE (European Study of Cohorts for Air Pollution Effects) project.Nitrogen dioxide (NO2) and nitrogen oxides (NOx) were measured with Ogawa passive samplers at 40 or 80 sites in each of the 36 study areas. The spatial variation in each area was explained by LUR modelling. Centrally and locally available Geographic Information System (GIS) variables were used as potential predictors. A leave-one out cross-validation procedure was used to evaluate the model performance.There was substantial contrast in annual average NO2 and NOx concentrations within the study areas. The model explained variances (R2) of the LUR models ranged from 55% to 92% (median 82%) for NO2 and from 49% to 91% (median 78%) for NOx. For most areas the cross-validation R2 was less than 10% lower than the model R2. Small-scale traffic and population/household density were the most common predictors. The magnitude of the explained variance depended on the contrast in measured concentrations as well as availability of GIS predictors, especially traffic intensity data were important. In an additional evaluation, models in which local traffic intensity was not offered had 10% lower R2 compared to models in the same areas in which these variables were offered.Within the ESCAPE project it was possible to develop LUR models that explained a large fraction of the spatial variance in measured annual average NO2 and NOx concentrations. These LUR models are being used to estimate outdoor concentrations at the home addresses of participants in over 30 cohort studies.

Original languageEnglish
Pages (from-to)10-23
Number of pages14
JournalAtmospheric Environment
Volume72
DOIs
StatePublished - Jun 2013

Keywords

  • Air pollution
  • CORINE
  • CV
  • ESCAPE
  • GIS
  • GPS
  • LUR
  • Land Use Regression (LUR) model
  • Mvh
  • NO
  • NO
  • R
  • RMSE

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