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Global reanalysis products cannot reproduce seasonal and diurnal cycles of tropospheric ozone in the Congo Basin

Ines dos Santos Vieira (UGent) , Hans Verbeeck (UGent) , Félicien Meunier (UGent) , Marc Peaucelle (UGent) , Thomas Sibret (UGent) , Lodewijk Lefevre (UGent) , Alexander W. Cheesman, Flossie Brown, Stephen Sitch, José Mbifo, et al.
(2023) ATMOSPHERIC ENVIRONMENT. 304.
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Abstract
Tropospheric ozone (O3) is a secondary pollutant and a greenhouse gas with a positive radiative forcing. Many studies have documented its negative impacts on plant growth and human health. Historically, studies have focused on determining levels of exposure in mid-and high-latitude regions. In the tropics, high O3 concen-trations are expected due to large concurrent and future precursor emissions. In Africa, seasonal biomass burning (from both natural and anthropogenic fires) during the dry season plays a crucial role in O3 precursor production. However, O3 observational studies in tropical Africa are currently missing. To fill this major knowledge gap, we established in November 2019 a continuous monitoring of near-surface O3 in the Congo Basin at the Yangambi research centre in the Democratic Republic of the Congo. Using this unique dataset in the heart of the second-largest tropical forest in the world, we assessed the ability of current remote sensing products to capture the magnitude and temporal dynamics of in situ tropospheric O3 concentrations, especially O3 concentration vari-ation between dry and wet seasons until March of 2022. We compared near-surface atmospheric O3 measure-ments collected in Yangambi and four different reanalysis products: European Centre for Medium-Range Weather Forecasts Reanalysis (ECMWF) v5 (ERA5), Copernicus Atmospheric Monitoring Service reanalysis (CAMSRA), Modern-Era Retrospective Analysis for Research and Applications version 2 (MERRA-2) and Japanese Reanalysis (JRA-55). The results show that reanalysis products overestimated the magnitude of near-surface O3 across the region with a mean bias of 27.3 ppbv, 19.9 ppbv, 10.8 ppbv and 1.0 ppbv for ERA5, CAMSRA, MERRA-2 and JRA-55, respectively. ERA5 and CAMSRA reanalysis were the only products able to capture, to some extent, the observed annual variation, showing higher O3 concentrations during dry season months, despite the inability to reproduce the daily cycle of near-surface O3.
Keywords
Atmospheric Science, General Environmental Science, O3, Reanalysis, In situ observations, Congo Basin, cavelab, isofys, Tropospheric ozone, NEAR-SURFACE OZONE, QUALITY, VEGETATION, TRANSPORT, EUROPE, CARBON, SCALE, URBAN, CAMS

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Citation

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MLA
dos Santos Vieira, Ines, et al. “Global Reanalysis Products Cannot Reproduce Seasonal and Diurnal Cycles of Tropospheric Ozone in the Congo Basin.” ATMOSPHERIC ENVIRONMENT, vol. 304, 2023, doi:10.1016/j.atmosenv.2023.119773.
APA
dos Santos Vieira, I., Verbeeck, H., Meunier, F., Peaucelle, M., Sibret, T., Lefevre, L., … Bauters, M. (2023). Global reanalysis products cannot reproduce seasonal and diurnal cycles of tropospheric ozone in the Congo Basin. ATMOSPHERIC ENVIRONMENT, 304. https://doi.org/10.1016/j.atmosenv.2023.119773
Chicago author-date
Santos Vieira, Ines dos, Hans Verbeeck, Félicien Meunier, Marc Peaucelle, Thomas Sibret, Lodewijk Lefevre, Alexander W. Cheesman, et al. 2023. “Global Reanalysis Products Cannot Reproduce Seasonal and Diurnal Cycles of Tropospheric Ozone in the Congo Basin.” ATMOSPHERIC ENVIRONMENT 304. https://doi.org/10.1016/j.atmosenv.2023.119773.
Chicago author-date (all authors)
dos Santos Vieira, Ines, Hans Verbeeck, Félicien Meunier, Marc Peaucelle, Thomas Sibret, Lodewijk Lefevre, Alexander W. Cheesman, Flossie Brown, Stephen Sitch, José Mbifo, Pascal Boeckx, and Marijn Bauters. 2023. “Global Reanalysis Products Cannot Reproduce Seasonal and Diurnal Cycles of Tropospheric Ozone in the Congo Basin.” ATMOSPHERIC ENVIRONMENT 304. doi:10.1016/j.atmosenv.2023.119773.
Vancouver
1.
dos Santos Vieira I, Verbeeck H, Meunier F, Peaucelle M, Sibret T, Lefevre L, et al. Global reanalysis products cannot reproduce seasonal and diurnal cycles of tropospheric ozone in the Congo Basin. ATMOSPHERIC ENVIRONMENT. 2023;304.
IEEE
[1]
I. dos Santos Vieira et al., “Global reanalysis products cannot reproduce seasonal and diurnal cycles of tropospheric ozone in the Congo Basin,” ATMOSPHERIC ENVIRONMENT, vol. 304, 2023.
@article{01GZ3H4VCNVGG26YEF1Y7MHXW9,
  abstract     = {{Tropospheric ozone (O3) is a secondary pollutant and a greenhouse gas with a positive radiative forcing. Many studies have documented its negative impacts on plant growth and human health. Historically, studies have focused on determining levels of exposure in mid-and high-latitude regions. In the tropics, high O3 concen-trations are expected due to large concurrent and future precursor emissions. In Africa, seasonal biomass burning (from both natural and anthropogenic fires) during the dry season plays a crucial role in O3 precursor production. However, O3 observational studies in tropical Africa are currently missing. To fill this major knowledge gap, we established in November 2019 a continuous monitoring of near-surface O3 in the Congo Basin at the Yangambi research centre in the Democratic Republic of the Congo. Using this unique dataset in the heart of the second-largest tropical forest in the world, we assessed the ability of current remote sensing products to capture the magnitude and temporal dynamics of in situ tropospheric O3 concentrations, especially O3 concentration vari-ation between dry and wet seasons until March of 2022. We compared near-surface atmospheric O3 measure-ments collected in Yangambi and four different reanalysis products: European Centre for Medium-Range Weather Forecasts Reanalysis (ECMWF) v5 (ERA5), Copernicus Atmospheric Monitoring Service reanalysis (CAMSRA), Modern-Era Retrospective Analysis for Research and Applications version 2 (MERRA-2) and Japanese Reanalysis (JRA-55). The results show that reanalysis products overestimated the magnitude of near-surface O3 across the region with a mean bias of 27.3 ppbv, 19.9 ppbv, 10.8 ppbv and 1.0 ppbv for ERA5, CAMSRA, MERRA-2 and JRA-55, respectively. ERA5 and CAMSRA reanalysis were the only products able to capture, to some extent, the observed annual variation, showing higher O3 concentrations during dry season months, despite the inability to reproduce the daily cycle of near-surface O3.}},
  articleno    = {{119773}},
  author       = {{dos Santos Vieira, Ines and Verbeeck, Hans and Meunier, Félicien and Peaucelle, Marc and Sibret, Thomas and Lefevre, Lodewijk and Cheesman, Alexander W. and Brown, Flossie and Sitch, Stephen and Mbifo, José and Boeckx, Pascal and Bauters, Marijn}},
  issn         = {{1352-2310}},
  journal      = {{ATMOSPHERIC ENVIRONMENT}},
  keywords     = {{Atmospheric Science,General Environmental Science,O3,Reanalysis,In situ observations,Congo Basin,cavelab,isofys,Tropospheric ozone,NEAR-SURFACE OZONE,QUALITY,VEGETATION,TRANSPORT,EUROPE,CARBON,SCALE,URBAN,CAMS}},
  language     = {{eng}},
  pages        = {{8}},
  title        = {{Global reanalysis products cannot reproduce seasonal and diurnal cycles of tropospheric ozone in the Congo Basin}},
  url          = {{http://doi.org/10.1016/j.atmosenv.2023.119773}},
  volume       = {{304}},
  year         = {{2023}},
}
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