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@ARTICLE{Aghedo:55973,
      author       = {Aghedo, A. M. and Schultz, M. G. and Rast, S.},
      title        = {{T}he influence of {A}frican air pollution on regional and
                      global tropospheric ozone},
      journal      = {Atmospheric chemistry and physics},
      volume       = {7},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-55973},
      pages        = {1193 - 1212},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We investigate the influence of African biomass burning,
                      biogenic, lightning and anthropogenic emissions on the
                      tropospheric ozone over Africa and globally using a coupled
                      global chemistry climate model. Our model studies indicate
                      that surface ozone concentration may rise by up to 50 ppbv
                      in the burning region during the biomass burning seasons.
                      Biogenic emissions yield between 5-30 ppbv increase in the
                      near surface ozone concentration over tropical Africa. The
                      impact of lightning on surface ozone is negligible, while
                      anthropogenic emissions yield a maximum of 7 ppbv increase
                      in the annual-mean surface ozone concentration over Nigeria,
                      South Africa and Egypt. Our results show that biogenic
                      emissions are the most important African emission source
                      affecting total tropospheric ozone. The influence of each of
                      the African emissions on the global tropospheric ozone
                      burden (TOB) of 384 Tg yields about 9.5 Tg, 19.6 Tg, 9.0 Tg
                      and 4.7 Tg for biomass burning, biogenic, lightning and
                      anthropogenic emissions emitted in Africa respectively. The
                      impact of each of these emission categories on African TOB
                      of 33 Tg is 2.5 Tg, 4.1 Tg, 1.75 Tg and 0.89 Tg
                      respectively, which together represents about $28\%$ of the
                      total TOB calculated over Africa. Our model calculations
                      also suggest that more than $70\%$ of the tropospheric ozone
                      produced by each of the African emissions is found outside
                      the continent, thus exerting a noticeable influence on a
                      large part of the tropical troposphere. Apart from the
                      Atlantic and Indian Ocean, Latin America experiences the
                      largest impact of African emissions, followed by Oceania,
                      the Middle East, Southeast and south-central Asia, northern
                      North America (i.e. the United States and Canada), Europe
                      and north-central Asia, for all the emission categories.},
      keywords     = {J (WoSType)},
      cin          = {ICG-2},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB791},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000244396800004},
      doi          = {10.5194/acp-7-1193-2007},
      url          = {https://juser.fz-juelich.de/record/55973},
}