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Direct and seasonal legacy effects of the 2018 heat wave and drought on European ecosystem productivity

Journal Article · · Science Advances
 [1];  [2];  [3];  [4];  [5];  [6];  [6];  [7];  [7];  [8];  [9];  [9];  [10];  [11];  [12];  [10];  [13];  [14];  [15];  [16] more »;  [8];  [7] « less
  1. Ludwig Maximilian Univ. of Munich, Munich (Germany). Dept. of Geography; OSTI
  2. Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France). Centre National de la Recherche Scientifique (CNRS). Laboratoire des Sciences du Climat et de l’Environnement (LSCE)
  3. Univ. of Exeter, Devon (United Kingdom). College of Engineering, Mathematics and Physical Sciences.; Sorbonne Université, Paris (France). PSL Université. École Polytechnique, Institut Polytechnique de Paris. LMD/IPSL. ENS. Centre National de la Recherche Scientifique (CNRS)
  4. Univ. of Exeter, Devon (United Kingdom). College of Life and Environmental Sciences
  5. Ludwig Maximilian Univ. of Munich, Munich (Germany). Dept. of Geography; Max Planck Inst. for Meteorology, Hamburg (Germany)
  6. Université de Bordeaux, Grande Ferrage, Villenave d’Ornon (France). ISPA
  7. Max Planck Inst. for Biogeochemistry, Jena (Germany)
  8. Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France). Centre National de la Recherche Scientifique (CNRS). Laboratoire des Sciences du Climat et de l’Environnement (LSCE)
  9. Karlsruhe Inst. of Technology (KIT) (Germany). Inst. of Meteorology and Climate Research/Atmospheric Environmental Research
  10. Commonwealth Scientific and Industrial Research Organization (CSIRO),Canberra, ACT (Australia)
  11. Univ. of Illinois at Urbana-Champaign, IL (United States). Dept. of Atmospheric Sciences
  12. Université de Toulouse, Météo-France, Toulouse (France). CNRM. Centre National de la Recherche Scientifique (CNRS)
  13. Univ. of Bern (Switzerland). Oeschger Centre for Climate Change Research. Physics Inst. Climate and Environmental Physics
  14. Ludwig Maximilian Univ. of Munich, Munich (Germany). Dept. of Geography
  15. Univ. of Reading (United Kingdom). National Centre for Atmospheric Science. Dept. of Geography & Environmental Science. Dept. of Meteorology
  16. Auburn Univ., AL (United States). International Center for Climate and Global Change Research. School of Forestry and Wildlife Sciences
+ Show Author Affiliations
In summer 2018, central and northern Europe were stricken by extreme drought and heat (DH2018). The DH2018 differed from previous events in being preceded by extreme spring warming and brightening, but moderate rainfall deficits, yet registering the fastest transition between wet winter conditions and extreme summer drought. Using 11 vegetation models, we show that spring conditions promoted increased vegetation growth, which, in turn, contributed to fast soil moisture depletion, amplifying the summer drought. We find regional asymmetries in summer ecosystem carbon fluxes: increased (reduced) sink in the northern (southern) areas affected by drought. These asymmetries can be explained by distinct legacy effects of spring growth and of water-use efficiency dynamics mediated by vegetation composition, rather than by distinct ecosystem responses to summer heat/drought. The asymmetries in carbon and water exchanges during spring and summer 2018 suggest that future land-management strategies could influence patterns of summer heat waves and droughts under long-term warming.
Research Organization:
Univ. of Illinois at Urbana-Champaign, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0016323
OSTI ID:
1802924
Journal Information:
Science Advances, Journal Name: Science Advances Journal Issue: 24 Vol. 6; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

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