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  • Thompson, R. L.Norwegian Institute for Air Research (author)

Changes in net ecosystem exchange over Europe during the 2018 drought based on atmospheric observations

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-09-07
  • The Royal Society,2020

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:cf8d4348-b1cc-4614-bc67-febf25ef9c11
  • https://lup.lub.lu.se/record/cf8d4348-b1cc-4614-bc67-febf25ef9c11URI
  • https://doi.org/10.1098/rstb.2019.0512DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • The 2018 drought was one of the worst European droughts of the twenty-first century in terms of its severity, extent and duration. The effects of the drought could be seen in a reduction in harvest yields in parts of Europe, as well as an unprecedented browning of vegetation in summer. Here, we quantify the effect of the drought on net ecosystem exchange (NEE) using five independent regional atmospheric inversion frameworks. Using a network of atmospheric CO2 mole fraction observations, we estimate NEE with at least monthly and 0.5° × 0.5° resolution for 2009-2018. We find that the annual NEE in 2018 was likely more positive (less CO2 uptake) in the temperate region of Europe by 0.09 ± 0.06 Pg C yr-1 (mean ± s.d.) compared to the mean of the last 10 years of -0.08 ± 0.17 Pg C yr-1, making the region close to carbon neutral in 2018. Similarly, we find a positive annual NEE anomaly for the northern region of Europe of 0.02 ± 0.02 Pg C yr-1 compared the 10-year mean of -0.04 ± 0.05 Pg C yr-1. In both regions, this was largely owing to a reduction in the summer CO2 uptake. The positive NEE anomalies coincided spatially and temporally with negative anomalies in soil water. These anomalies were exceptional for the 10-year period of our study. This article is part of the theme issue 'Impacts of the 2018 severe drought and heatwave in Europe: from site to continental scale'.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Broquet, G.University of Paris-Saclay (author)
  • Gerbig, C.Max Planck Institute for Biogeochemistry (author)
  • Koch, T.German Meteorological Service (DWD),Max Planck Institute for Biogeochemistry (author)
  • Lang, M.University of Paris-Saclay (author)
  • Monteil, G.Lund University,Lunds universitet,MERGE: ModElling the Regional and Global Earth system,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science(Swepub:lu)nate-gem (author)
  • Munassar, S.Max Planck Institute for Biogeochemistry (author)
  • Nickless, A.University of Bristol (author)
  • Scholze, M.Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,MERGE: ModElling the Regional and Global Earth system,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science(Swepub:lu)nate-mks (author)
  • Ramonet, M.University of Paris-Saclay (author)
  • Karstens, U.Lund University,Lunds universitet,ICOS Sweden,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science(Swepub:lu)nate-uek (author)
  • van Schaik, E.Wageningen University (author)
  • Wu, Z.Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science(Swepub:lu)nate-zow (author)
  • Rödenbeck, C.Max Planck Institute for Biogeochemistry (author)
  • Norwegian Institute for Air ResearchUniversity of Paris-Saclay (creator_code:org_t)

Related titles

  • In:Philosophical transactions of the Royal Society of London. Series B, Biological sciences: The Royal Society375:18101471-2970
  • In:Philosophical Transactions of the Royal Society B: Biological Sciences: The Royal Society375:18100962-8436

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