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  Impact of the 2015-16 El Nino on the terrestrial carbon cycle constrained by bottom-up and top-down approaches

Bastos, A., Friedlingstein, P., Sitch, S., Chen, C., Mialon, A., Wigneron, J.-P., et al. (2018). Impact of the 2015-16 El Nino on the terrestrial carbon cycle constrained by bottom-up and top-down approaches. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 373(1760): 20170304. doi:10.1098/rstb.2017.0304.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-1DD0-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-6CCA-E
Genre: Journal Article

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http://dx.doi.org/10.1098/rstb.2017.0304 (Publisher version)
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 Creators:
Bastos, Ana, Author
Friedlingstein, Pierre, Author
Sitch, Stephen, Author
Chen, Chi, Author
Mialon, Arnaud, Author
Wigneron, Jean-Pierre, Author
Arora, Vivek K., Author
Briggs, Peter R., Author
Canadell, Josep G., Author
Ciais, Philippe, Author
Chevallier, Frédéric, Author
Cheng, Lei, Author
Delire, Christine, Author
Haverd, Vanessa, Author
Jain, Atul K., Author
Joos, Fortunat, Author
Kato, Etsushi, Author
Lienert, Sebastian, Author
Lombardozzi, Danica, Author
Melton, Joe R., Author
Myneni, Ranga, AuthorNabel, Julia E. M. S., AuthorPongratz, Julia, AuthorPoulter, Benjamin, AuthorRödenbeck, Christian, AuthorSéférian, Roland, AuthorTian, Hanqin, Authorvan Eck, Christel, AuthorViovy, Nicolas, AuthorVuichard, Nicolas, AuthorWalker, Anthony P., AuthorWiltshire, Andy, AuthorYang, Jia, AuthorZaehle, Sönke1, 2, Author              Zeng, Ning, AuthorZhu, Dan, Author more..
Affiliations:
1Terrestrial Biosphere Modelling, Dr. Sönke Zähle, Department Biogeochemical Integration, Dr. M. Reichstein, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1938309              
2Terrestrial Biosphere Modelling, Dr. Sönke Zähle, Department Biogeochemical Integration, Prof. Dr. Martin Heimann, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497787              

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 Abstract: Evaluating the response of the land carbon sink to the anomalies in temperature and drought imposed by El Niño events provides insights into the present-day carbon cycle and its climate-driven variability. It is also a necessary step to build confidence in terrestrial ecosystems models' response to the warming and drying stresses expected in the future over many continents, and particularly in the tropics. Here we present an in-depth analysis of the response of the terrestrial carbon cycle to the 2015/2016 El Niño that imposed extreme warming and dry conditions in the tropics and other sensitive regions. First, we provide a synthesis of the spatio-temporal evolution of anomalies in net land–atmosphere CO2 fluxes estimated by two in situ measurements based on atmospheric inversions and 16 land-surface models (LSMs) from TRENDYv6. Simulated changes in ecosystem productivity, decomposition rates and fire emissions are also investigated. Inversions and LSMs generally agree on the decrease and subsequent recovery of the land sink in response to the onset, peak and demise of El Niño conditions and point to the decreased strength of the land carbon sink: by 0.4–0.7 PgC yr−1 (inversions) and by 1.0 PgC yr−1 (LSMs) during 2015/2016. LSM simulations indicate that a decrease in productivity, rather than increase in respiration, dominated the net biome productivity anomalies in response to ENSO throughout the tropics, mainly associated with prolonged drought conditions. This article is part of a discussion meeting issue ‘The impact of the 2015/2016 El Niño on the terrestrial tropical carbon cycle: patterns, mechanisms and implications’.

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Language(s): eng - English
 Dates: 2018-042018-082018-10-082018-11-19
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1098/rstb.2017.0304
Other: BGC3021
 Degree: -

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Project name : Quincy
Grant ID : 647204
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
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 373 (1760) Sequence Number: 20170304 Start / End Page: - Identifier: ISSN: 0962-8436
CoNE: https://pure.mpg.de/cone/journals/resource/963017382021_1