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Projected land photosynthesis constrained by changes in the seasonal cycle of atmospheric CO2

Wenzel, Sabrina and Cox, Peter M. and Eyring, Veronika and Friedlingstein, Pierre (2016) Projected land photosynthesis constrained by changes in the seasonal cycle of atmospheric CO2. Nature, 538 (7626), pp. 499-501. Nature Publishing Group. DOI: 10.1038/nature19772 ISSN 0028-0836

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Official URL: http://www.nature.com/nature/journal/v538/n7626/full/nature19772.html

Abstract

Uncertainties in the response of vegetation to rising atmospheric CO2 concentrations1,2 contribute to the large spread in projections of future climate change3,4. Climate–carbon cycle models generally agree that elevated atmospheric CO2 concentrations will enhance terrestrial gross primary productivity (GPP). However, the magnitude of this CO2 fertilization effect varies from a 20 per cent to a 60 per cent increase in GPP for a doubling of atmospheric CO2 concentrations in model studies5–7. Here we demonstrate emergent constraints8–11 on large-scale CO2 fertilization using observed changes in the amplitude of the atmospheric CO2 seasonal cycle that are thought to be the result of increasing terrestrial GPP12–14.

Item URL in elib:https://elib.dlr.de/108188/
Document Type:Article
Title:Projected land photosynthesis constrained by changes in the seasonal cycle of atmospheric CO2
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wenzel, SabrinaDLR, IPAUNSPECIFIED
Cox, Peter M.college of engineering, mathematics and physical sciences, university of exeter, devon, ukUNSPECIFIED
Eyring, VeronikaDLR, IPAhttps://orcid.org/0000-0002-6887-4885
Friedlingstein, Pierrecollege of engineering, mathematics and physical sciences, university of exeter, devon, ukUNSPECIFIED
Date:2016
Journal or Publication Title:Nature
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:538
DOI :10.1038/nature19772
Page Range:pp. 499-501
Publisher:Nature Publishing Group
ISSN:0028-0836
Status:Published
Keywords:climate change, climate feedbacks, carbon cycle, CO2, fertilization, photosynthesis, model evaluation, emergent constraints, CMIP
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Project Climatic relevance of atmospheric tracer gases, aerosols and clouds
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Earth System Modelling
Deposited By: Eyring, PD Dr. habil. Veronika
Deposited On:23 Nov 2016 08:05
Last Modified:31 Jul 2019 20:05

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