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Comment on "Recent global decline of CO₂ fertilization effects on vegetation photosynthesis"

Frankenberg, Christian and Yin, Yi and Byrne, Brendan and He, Liyin and Gentine, Pierre (2021) Comment on "Recent global decline of CO₂ fertilization effects on vegetation photosynthesis". Science, 373 (6562). Art. No. abg2947. ISSN 0036-8075. doi:10.1126/science.abg2947. https://resolver.caltech.edu/CaltechAUTHORS:20211109-155145006

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Abstract

Wang et al. (Research Articles, 11 December 2020, p. 1295), using photosynthesis proxies from long-term satellite records, report a significant decline in CO₂ fertilization effects. We find that small systematic biases in Advanced Very High Resolution Radiometer (AVHRR) data affect their analysis to the degree that the key finding is not robust. Caution is recommended when using AVHRR to detect changes in near-infrared reflectance of vegetation (NIRv) trends and vegetation indices.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1126/science.abg2947DOIArticle
https://doi.org/10.1126/science.abb7772DOIArticle - Wang, et. al.
https://doi.org/10.22002/D1.1976DOIFigures
ORCID:
AuthorORCID
Frankenberg, Christian0000-0002-0546-5857
Yin, Yi0000-0003-4750-4997
Byrne, Brendan0000-0003-0619-3045
He, Liyin0000-0003-4427-1438
Gentine, Pierre0000-0002-0845-8345
Alternate Title:Comment on "Recent global decline of CO2 fertilization effects on vegetation photosynthesis"
Additional Information:© 2021 American Association for the Advancement of Science. Publication date: 24 September 2021. Supported by NASA grants 80NSSC18K0895 and 80NSSC19M0129 (C.F., L.H., and Y.Y.) and NASA OCO2/3 science team program NNH17ZDA001N-OCO2 (B.B.). B.B.’s research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. Our analysis code and supplementary figures are available at http://dx.doi.org/10.22002/D1.1976.
Funders:
Funding AgencyGrant Number
NASA80NSSC18K0895
NASA80NSSC19M0129
NASANNH17ZDA001N-OCO2
NASA/JPL/CaltechUNSPECIFIED
Issue or Number:6562
DOI:10.1126/science.abg2947
Record Number:CaltechAUTHORS:20211109-155145006
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20211109-155145006
Official Citation:Comment on "Recent global decline of CO₂ fertilization effects on vegetation photosynthesis" Christian Frankenberg, Yi Yin, Brendan Byrne, Liyin He, and Pierre Gentine. Science, 373 (6562), eabg2947; DOI: 10.1126/science.abg2947
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:111796
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Nov 2021 00:40
Last Modified:12 Nov 2021 00:40

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