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Emerging negative impact of warming on summer carbon uptake in northern ecosystems
Most studies of the northern hemisphere carbon cycle based on atmospheric CO(2) concentration have focused on spring and autumn, but the climate change impact on summer carbon cycle remains unclear. Here we used atmospheric CO(2) record from Point Barrow (Alaska) to show that summer CO(2) drawdown b...
Autores principales: | , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6300666/ https://www.ncbi.nlm.nih.gov/pubmed/30568168 http://dx.doi.org/10.1038/s41467-018-07813-7 |
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author | Wang, Tao Liu, Dan Piao, Shilong Wang, Yilong Wang, Xiaoyi Guo, Hui Lian, Xu Burkhart, John F Ciais, Philippe Huang, Mengtian Janssens, Ivan Li, Yue Liu, Yongwen Peñuelas, Josep Peng, Shushi Yang, Hui Yao, Yitong Yin, Yi Zhao, Yutong |
author_facet | Wang, Tao Liu, Dan Piao, Shilong Wang, Yilong Wang, Xiaoyi Guo, Hui Lian, Xu Burkhart, John F Ciais, Philippe Huang, Mengtian Janssens, Ivan Li, Yue Liu, Yongwen Peñuelas, Josep Peng, Shushi Yang, Hui Yao, Yitong Yin, Yi Zhao, Yutong |
author_sort | Wang, Tao |
collection | PubMed |
description | Most studies of the northern hemisphere carbon cycle based on atmospheric CO(2) concentration have focused on spring and autumn, but the climate change impact on summer carbon cycle remains unclear. Here we used atmospheric CO(2) record from Point Barrow (Alaska) to show that summer CO(2) drawdown between July and August, a proxy of summer carbon uptake, is significantly negatively correlated with terrestrial temperature north of 50°N interannually during 1979–2012. However, a refined analysis at the decadal scale reveals strong differences between the earlier (1979–1995) and later (1996–2012) periods, with the significant negative correlation only in the later period. This emerging negative temperature response is due to the disappearance of the positive temperature response of summer vegetation activities that prevailed in the earlier period. Our finding, together with the reported weakening temperature control on spring carbon uptake, suggests a diminished positive effect of warming on high-latitude carbon uptake. |
format | Online Article Text |
id | pubmed-6300666 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-63006662018-12-21 Emerging negative impact of warming on summer carbon uptake in northern ecosystems Wang, Tao Liu, Dan Piao, Shilong Wang, Yilong Wang, Xiaoyi Guo, Hui Lian, Xu Burkhart, John F Ciais, Philippe Huang, Mengtian Janssens, Ivan Li, Yue Liu, Yongwen Peñuelas, Josep Peng, Shushi Yang, Hui Yao, Yitong Yin, Yi Zhao, Yutong Nat Commun Article Most studies of the northern hemisphere carbon cycle based on atmospheric CO(2) concentration have focused on spring and autumn, but the climate change impact on summer carbon cycle remains unclear. Here we used atmospheric CO(2) record from Point Barrow (Alaska) to show that summer CO(2) drawdown between July and August, a proxy of summer carbon uptake, is significantly negatively correlated with terrestrial temperature north of 50°N interannually during 1979–2012. However, a refined analysis at the decadal scale reveals strong differences between the earlier (1979–1995) and later (1996–2012) periods, with the significant negative correlation only in the later period. This emerging negative temperature response is due to the disappearance of the positive temperature response of summer vegetation activities that prevailed in the earlier period. Our finding, together with the reported weakening temperature control on spring carbon uptake, suggests a diminished positive effect of warming on high-latitude carbon uptake. Nature Publishing Group UK 2018-12-19 /pmc/articles/PMC6300666/ /pubmed/30568168 http://dx.doi.org/10.1038/s41467-018-07813-7 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Wang, Tao Liu, Dan Piao, Shilong Wang, Yilong Wang, Xiaoyi Guo, Hui Lian, Xu Burkhart, John F Ciais, Philippe Huang, Mengtian Janssens, Ivan Li, Yue Liu, Yongwen Peñuelas, Josep Peng, Shushi Yang, Hui Yao, Yitong Yin, Yi Zhao, Yutong Emerging negative impact of warming on summer carbon uptake in northern ecosystems |
title | Emerging negative impact of warming on summer carbon uptake in northern ecosystems |
title_full | Emerging negative impact of warming on summer carbon uptake in northern ecosystems |
title_fullStr | Emerging negative impact of warming on summer carbon uptake in northern ecosystems |
title_full_unstemmed | Emerging negative impact of warming on summer carbon uptake in northern ecosystems |
title_short | Emerging negative impact of warming on summer carbon uptake in northern ecosystems |
title_sort | emerging negative impact of warming on summer carbon uptake in northern ecosystems |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6300666/ https://www.ncbi.nlm.nih.gov/pubmed/30568168 http://dx.doi.org/10.1038/s41467-018-07813-7 |
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