Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems
Abstract Arctic warming is affecting snow cover and soil hydrology, with consequences for carbon sequestration in tundra ecosystems. The scarcity of observations in the Arctic has limited our understanding of the impact of covarying environmental drivers on the carbon balance of tundra ecosystems. I...
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ftunivoulu:oai:oulu.fi:nbnfi-fe2022081053501 2023-07-30T04:00:38+02:00 Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems Zona, D. (Donatella) Lafleur, P. M. (Peter M.) Hufkens, K. (Koen) Bailey, B. (Barbara) Gioli, B. (Beniamino) Burba, G. (George) Goodrich, J. P. (Jordan P.) Liljedahl, A. K. (Anna K.) Euskirchen, E. S. (Eugénie S.) Watts, J. D. (Jennifer D.) Farina, M. (Mary) Kimball, J. S. (John S.) Heimann, M. (Martin) Göckede, M. (Mathias) Pallandt, M. (Martijn) Christensen, T. R. (Torben R.) Mastepanov, M. (Mikhail) López-Blanco, E. (Efrén) Jackowicz-Korczynski, M. (Marcin) Dolman, A. J. (Albertus J.) Belelli Marchesini, L. (Luca) Commane, R. (Roisin) Wofsy, S. C. (Steven C.) Miller, C. E. (Charles E.) Lipson, D. A. (David A.) Hashemi, J. (Josh) Arndt, K. A. (Kyle A.) Kutzbach, L. (Lars) Holl, D. (David) Boike, J. (Julia) Wille, C. (Christian) Sachs, T. (Torsten) Kalhori, A. (Aram) Song, X. (Xia) Xu, X. (Xiaofeng) Humphreys, E. R. (Elyn R.) Koven, C. D. (Charles D.) Sonnentag, O. (Oliver) Meyer, G. (Gesa) Gosselin, G. H. (Gabriel H.) Marsh, P. (Philip) Oechel, W. C. (Walter C.) 2022 application/pdf http://urn.fi/urn:nbn:fi-fe2022081053501 eng eng Springer Nature info:eu-repo/semantics/openAccess ©The Author(s) 2022. Tis 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 licence, and indicate if changes were made. Te images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. https://creativecommons.org/licenses/by/4.0/ Climate sciences Ecology Environmental sciences info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2022 ftunivoulu 2023-07-08T19:59:29Z Abstract Arctic warming is affecting snow cover and soil hydrology, with consequences for carbon sequestration in tundra ecosystems. The scarcity of observations in the Arctic has limited our understanding of the impact of covarying environmental drivers on the carbon balance of tundra ecosystems. In this study, we address some of these uncertainties through a novel record of 119 site-years of summer data from eddy covariance towers representing dominant tundra vegetation types located on continuous permafrost in the Arctic. Here we found that earlier snowmelt was associated with more tundra net CO₂ sequestration and higher gross primary productivity (GPP) only in June and July, but with lower net carbon sequestration and lower GPP in August. Although higher evapotranspiration (ET) can result in soil drying with the progression of the summer, we did not find significantly lower soil moisture with earlier snowmelt, nor evidence that water stress affected GPP in the late growing season. Our results suggest that the expected increased CO₂ sequestration arising from Arctic warming and the associated increase in growing season length may not materialize if tundra ecosystems are not able to continue sequestering CO₂ later in the season. Article in Journal/Newspaper Arctic permafrost Tundra Jultika - University of Oulu repository Arctic |
institution |
Open Polar |
collection |
Jultika - University of Oulu repository |
op_collection_id |
ftunivoulu |
language |
English |
topic |
Climate sciences Ecology Environmental sciences |
spellingShingle |
Climate sciences Ecology Environmental sciences Zona, D. (Donatella) Lafleur, P. M. (Peter M.) Hufkens, K. (Koen) Bailey, B. (Barbara) Gioli, B. (Beniamino) Burba, G. (George) Goodrich, J. P. (Jordan P.) Liljedahl, A. K. (Anna K.) Euskirchen, E. S. (Eugénie S.) Watts, J. D. (Jennifer D.) Farina, M. (Mary) Kimball, J. S. (John S.) Heimann, M. (Martin) Göckede, M. (Mathias) Pallandt, M. (Martijn) Christensen, T. R. (Torben R.) Mastepanov, M. (Mikhail) López-Blanco, E. (Efrén) Jackowicz-Korczynski, M. (Marcin) Dolman, A. J. (Albertus J.) Belelli Marchesini, L. (Luca) Commane, R. (Roisin) Wofsy, S. C. (Steven C.) Miller, C. E. (Charles E.) Lipson, D. A. (David A.) Hashemi, J. (Josh) Arndt, K. A. (Kyle A.) Kutzbach, L. (Lars) Holl, D. (David) Boike, J. (Julia) Wille, C. (Christian) Sachs, T. (Torsten) Kalhori, A. (Aram) Song, X. (Xia) Xu, X. (Xiaofeng) Humphreys, E. R. (Elyn R.) Koven, C. D. (Charles D.) Sonnentag, O. (Oliver) Meyer, G. (Gesa) Gosselin, G. H. (Gabriel H.) Marsh, P. (Philip) Oechel, W. C. (Walter C.) Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems |
topic_facet |
Climate sciences Ecology Environmental sciences |
description |
Abstract Arctic warming is affecting snow cover and soil hydrology, with consequences for carbon sequestration in tundra ecosystems. The scarcity of observations in the Arctic has limited our understanding of the impact of covarying environmental drivers on the carbon balance of tundra ecosystems. In this study, we address some of these uncertainties through a novel record of 119 site-years of summer data from eddy covariance towers representing dominant tundra vegetation types located on continuous permafrost in the Arctic. Here we found that earlier snowmelt was associated with more tundra net CO₂ sequestration and higher gross primary productivity (GPP) only in June and July, but with lower net carbon sequestration and lower GPP in August. Although higher evapotranspiration (ET) can result in soil drying with the progression of the summer, we did not find significantly lower soil moisture with earlier snowmelt, nor evidence that water stress affected GPP in the late growing season. Our results suggest that the expected increased CO₂ sequestration arising from Arctic warming and the associated increase in growing season length may not materialize if tundra ecosystems are not able to continue sequestering CO₂ later in the season. |
format |
Article in Journal/Newspaper |
author |
Zona, D. (Donatella) Lafleur, P. M. (Peter M.) Hufkens, K. (Koen) Bailey, B. (Barbara) Gioli, B. (Beniamino) Burba, G. (George) Goodrich, J. P. (Jordan P.) Liljedahl, A. K. (Anna K.) Euskirchen, E. S. (Eugénie S.) Watts, J. D. (Jennifer D.) Farina, M. (Mary) Kimball, J. S. (John S.) Heimann, M. (Martin) Göckede, M. (Mathias) Pallandt, M. (Martijn) Christensen, T. R. (Torben R.) Mastepanov, M. (Mikhail) López-Blanco, E. (Efrén) Jackowicz-Korczynski, M. (Marcin) Dolman, A. J. (Albertus J.) Belelli Marchesini, L. (Luca) Commane, R. (Roisin) Wofsy, S. C. (Steven C.) Miller, C. E. (Charles E.) Lipson, D. A. (David A.) Hashemi, J. (Josh) Arndt, K. A. (Kyle A.) Kutzbach, L. (Lars) Holl, D. (David) Boike, J. (Julia) Wille, C. (Christian) Sachs, T. (Torsten) Kalhori, A. (Aram) Song, X. (Xia) Xu, X. (Xiaofeng) Humphreys, E. R. (Elyn R.) Koven, C. D. (Charles D.) Sonnentag, O. (Oliver) Meyer, G. (Gesa) Gosselin, G. H. (Gabriel H.) Marsh, P. (Philip) Oechel, W. C. (Walter C.) |
author_facet |
Zona, D. (Donatella) Lafleur, P. M. (Peter M.) Hufkens, K. (Koen) Bailey, B. (Barbara) Gioli, B. (Beniamino) Burba, G. (George) Goodrich, J. P. (Jordan P.) Liljedahl, A. K. (Anna K.) Euskirchen, E. S. (Eugénie S.) Watts, J. D. (Jennifer D.) Farina, M. (Mary) Kimball, J. S. (John S.) Heimann, M. (Martin) Göckede, M. (Mathias) Pallandt, M. (Martijn) Christensen, T. R. (Torben R.) Mastepanov, M. (Mikhail) López-Blanco, E. (Efrén) Jackowicz-Korczynski, M. (Marcin) Dolman, A. J. (Albertus J.) Belelli Marchesini, L. (Luca) Commane, R. (Roisin) Wofsy, S. C. (Steven C.) Miller, C. E. (Charles E.) Lipson, D. A. (David A.) Hashemi, J. (Josh) Arndt, K. A. (Kyle A.) Kutzbach, L. (Lars) Holl, D. (David) Boike, J. (Julia) Wille, C. (Christian) Sachs, T. (Torsten) Kalhori, A. (Aram) Song, X. (Xia) Xu, X. (Xiaofeng) Humphreys, E. R. (Elyn R.) Koven, C. D. (Charles D.) Sonnentag, O. (Oliver) Meyer, G. (Gesa) Gosselin, G. H. (Gabriel H.) Marsh, P. (Philip) Oechel, W. C. (Walter C.) |
author_sort |
Zona, D. (Donatella) |
title |
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems |
title_short |
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems |
title_full |
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems |
title_fullStr |
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems |
title_full_unstemmed |
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems |
title_sort |
earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in arctic tundra ecosystems |
publisher |
Springer Nature |
publishDate |
2022 |
url |
http://urn.fi/urn:nbn:fi-fe2022081053501 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic permafrost Tundra |
genre_facet |
Arctic permafrost Tundra |
op_rights |
info:eu-repo/semantics/openAccess ©The Author(s) 2022. Tis 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 licence, and indicate if changes were made. Te images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. https://creativecommons.org/licenses/by/4.0/ |
_version_ |
1772811166870929408 |