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  Impacts of extreme summers on European ecosystems: a comparative analysis of 2003, 2010 and 2018

Bastos, A., Fu, Z., Ciais, P., Friedlingstein, P., Sitch, S., Pongratz, J., et al. (2020). Impacts of extreme summers on European ecosystems: a comparative analysis of 2003, 2010 and 2018. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 375: 20190507. doi:10.1098/rstb.2019.0507.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-07CF-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-3719-0
Genre: Journal Article

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rstb.2019.0507.pdf (Publisher version), 903KB
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2020
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https://doi.org/10.6084/m9.figshare.c.5077364 (Supplementary material)
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 Creators:
Bastos, Ana, Author
Fu, Z., Author
Ciais, P., Author
Friedlingstein, P., Author
Sitch, S., Author
Pongratz, Julia1, Author              
Weber, Ulrich2, Author
Reichstein, Markus2, Author
Anthoni, P., Author
Arneth, A., Author
Haverd, V., Author
Jain, A., Author
Joetzjer, E., Author
Knauer, J., Author
Lienert, S., Author
Loughran, T., Author
McGuire, P. C., Author
Obermeier, W., Author
Padrón, R. S., Author
Shi, H., Author
Tian, H., AuthorViovy, N., AuthorZaehle, Sönke2, Author more..
Affiliations:
1Emmy Noether Junior Research Group Forest Management in the Earth System, The Land in the Earth System, MPI for Meteorology, Max Planck Society, ou_1832286              
2Max Planck Institute for Biogeochemistry, Max Planck Society, Hans-Knöll-Str. 10, 07745 Jena, DE, ou_1497750              

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 Abstract: In Europe, three widespread extreme summer drought and heat (DH) events have occurred in 2003, 2010 and 2018. These events were comparable in magnitude but varied in their geographical distribution and biomes affected. In this study, we perform a comparative analysis of the impact of the DH events on ecosystem CO2 fluxes over Europe based on an ensemble of 11 dynamic global vegetation models (DGVMs), and the observation-based FLUXCOM product. We find that all DH events were associated with decreases in net ecosystem productivity (NEP), but the gross summer flux anomalies differ between DGVMs and FLUXCOM. At the annual scale, FLUXCOM and DGVMs indicate close to neutral or above-average land CO2 uptake in DH2003 and DH2018, due to increased productivity in spring and reduced respiration in autumn and winter compensating for less photosynthetic uptake in summer. Most DGVMs estimate lower gross primary production (GPP) sensitivity to soil moisture during extreme summers than FLUXCOM. Finally, we show that the different impacts of the DH events at continental-scale GPP are in part related to differences in vegetation composition of the regions affected and to regional compensating or offsetting effects from climate anomalies beyond the DH centres. This article is part of the theme issue 'Impacts of the 2018 severe drought and heatwave in Europe: from site to continental scale'

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Language(s): eng - English
 Dates: 2020-04-172020-09-072020-10-26
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1098/rstb.2019.0507
 Degree: -

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Grant ID : 821003
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences
  Other : Philosophical Transactions B
  Abbreviation : Phil. Trans. R. Soc. B
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 375 Sequence Number: 20190507 Start / End Page: - Identifier: ISSN: 0962-8436
CoNE: https://pure.mpg.de/cone/journals/resource/963017382021_1