Europe's terrestrial biosphere absorbs 7 to 12% of European anthropogenic CO2 emissions

I.A. Janssens, A. Freibauer, P. Ciais, P. Smith, G.J. Nabuurs, G. Folberth, B. Schlamadinger, R.W.A. Hutjes, R. Ceulemans, E.D. Schulze, R. Valentini, A.J. Dolman

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Abstract

Most inverse atmospheric models report considerable uptake of carbon dioxide in Europe's terrestrial biosphere. In contrast, carbon stocks in terrestrial ecosystems increase at a much smaller rate, with carbon gains in forests and grassland soils almost being offset by carbon losses from cropland and peat soils. Accounting for non-carbon dioxide carbon transfers that are not detected by the atmospheric models and for carbon dioxide fluxes bypassing the ecosystem carbon stocks considerably reduces the gap between the small carbon-stock changes and the larger carbon dioxide uptake estimated by atmospheric models. The remaining difference could be because of missing components in the stock-change approach, as well as the large uncertainty in both methods. With the use of the corrected atmosphere- and land-based estimates as a dual constraint, we estimate a net carbon sink between 135 and 205 teragrams per year in Europe's terrestrial biosphere, the equivalent of 7 to 12% of the 1995 anthropogenic carbon emissions.
Original languageEnglish
Pages (from-to)1538-1542
JournalScience
Issue number5625
DOIs
Publication statusPublished - 2003

Keywords

  • carbon-cycle
  • atmospheric co2
  • climate-change
  • forests
  • model
  • land
  • inversion
  • transport
  • balance
  • oceans

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    Janssens, I. A., Freibauer, A., Ciais, P., Smith, P., Nabuurs, G. J., Folberth, G., Schlamadinger, B., Hutjes, R. W. A., Ceulemans, R., Schulze, E. D., Valentini, R., & Dolman, A. J. (2003). Europe's terrestrial biosphere absorbs 7 to 12% of European anthropogenic CO2 emissions. Science, (5625), 1538-1542. https://doi.org/10.1126/science.1083592