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Overview of the Change in NO2 Assessment Maps During the Last 15 Years in Flanders: Problems Encountered and Solutions

  • Wouter LefebvreEmail author
  • Bino Maiheu
  • Hans Hooyberghs
  • Stijn Vranckx
  • Felix Deutsch
  • Stijn Janssen
  • Karen van de Vel
  • Guido Cosemans
  • Peter Viaene
  • Jean Vankerkom
  • Marlies Vanhulsel
  • Filip Lefebre
  • Wim Peelaerts
  • Bart Degraeuwe
  • Clemens Mensink
  • Stijn Van Looy
  • Guy Driesen
  • Nele Smeets
Conference paper
Part of the Springer Proceedings in Complexity book series (SPCOM)

Abstract

During the last 15 years, the official assessment maps in Flanders have improved from a map consisting of only measured data points to a high resolution assessment which covers the complete area and takes into account several types of sources and street canyons. In order to improve this level of detail, multiple steps were taken. First of all, a land use regression model was introduced at an hourly scale at 4 × 4 km2 resolution. Secondly, a Gaussian model was added for both point and line sources, correcting for emission double counting. Finally, a street canyon model was added to the chain, leading to improved resolution in these street canyons. In this work, we will discuss the problems encountered in these years such as how to account for double counting of emissions, how to correct the locations of the simplified road network and how to determine when street canyon calculations must be performed and how we solved them.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Wouter Lefebvre
    • 1
    Email author
  • Bino Maiheu
    • 1
  • Hans Hooyberghs
    • 1
  • Stijn Vranckx
    • 1
  • Felix Deutsch
    • 1
  • Stijn Janssen
    • 1
  • Karen van de Vel
    • 1
  • Guido Cosemans
    • 1
  • Peter Viaene
    • 1
  • Jean Vankerkom
    • 1
  • Marlies Vanhulsel
    • 1
  • Filip Lefebre
    • 1
  • Wim Peelaerts
    • 1
  • Bart Degraeuwe
    • 2
    • 1
  • Clemens Mensink
    • 1
  • Stijn Van Looy
    • 1
  • Guy Driesen
    • 1
  • Nele Smeets
    • 1
  1. 1.VITOMolBelgium
  2. 2.Air and Climate UnitDirectorate C—Energy, Transport and Climate, European Commission—Joint Research CentreBrusselsBelgium

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