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Department of Geosciences
Comparison of regional emission inventories for CityZen
1st annual meeting, Vienna, September 28-29, 2009Presenter: Øivind HodnebrogParticipants: Frode Stordal, Øystein Hov,
Ivar S.A. IsaksenSection for Meteorology and oceanographyDepartment of GeosciencesUniversity of Oslo
Department of Geosciences
Emission inventories
• RETRO– 0.5° x 0.5° resolution, global coverage
• INERIS/EMEP– 0.1° x 0.1° resolution, cover Europe
• EMEP/TNO– 0.1° x 0.1° resolution, cover Europe
• NAEI– UK National Atmospheric Emissions Inventory (www.naei.org.uk)– 1 km x 1 km resolution, cover United Kingdom
• LANUV– Landesamt für Natur, Umwelt und Verbraucherschutz NRW– 1 km x 1 km resolution, cover North Rhine-Westphalia (incl. Ruhr)
European emissions (Mt/year), 2005
CO NOX * VOC SOX **
INERIS/EMEP 47.43 19.01 13.38 18.58
EMEP/TNO 49.09 19.25 13.50 19.01
* NOX emissions are given as Mt (NO2) / year** SOX emissions are given as Mt (SO2) / year
INERIS/EMEP EMEP/TNO
UK emissions (Mt/year), 2005
* NOX emissions are given as Mt (NO2) / year** SOX emissions are given as Mt (SO2) / year
INERIS/EMEP EMEP/TNO
NAEI
CO NOX * VOC SOX **
INERIS/EMEP 2.41 1.59 0.89 0.73
EMEP/TNO 2.35 1.68 0.95 0.76
NAEI 2.38 1.51 0.92 0.68
London emissions (kt/year), 2005
* NOX emissions are given as kt (NO2) / year** SOX emissions are given as kt (SO2) / year
CO NOX * VOC SOX **
INERIS/EMEP 136.6 80.2 53.8 13.5
EMEP/TNO 295.6 180.5 116.6 33.5
NAEI 236.2 128.3 84.1 15.9
INERIS/EMEP EMEP/TNO
NAEI
North Rhine-Westphalia emissions (kt/year), 2005
CO NOX * VOC SOX **
INERIS/EMEP 903.4 224.4 222.8 144.9
EMEP/TNO 1094.8 381.0 247.4 205.8
LANUV x 1288.3 381.0 175.5 -
* NOX emissions are given as kt (NO2) / year** SOX emissions are given as kt (SO2) / yearx SNAP sectors 5, 6, 9, 10, 11 are not incl., and emissions are mixed from year 2000, 2004, and 2007.
INERIS/EMEP EMEP/TNO
LANUV
Department of Geosciences
WRF-Chem model results
Corr. coeff.
RETRO – obs. 0.415
INERIS – obs. 0.462
NAEI – obs. 0.494
Department of Geosciences
WRF-Chem model results
Corr. coeff.
RETRO – obs. 0.716
INERIS – obs. 0.718
NAEI – obs. 0.730
Department of Geosciences
WRF-Chem model results
Corr. coeff.
RETRO – obs. 0.470
INERIS – obs. 0.529
NAEI – obs. 0.620