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Earlier snowmelt ma...
Earlier snowmelt may lead to late season declines in plant productivity and carbon sequestration in Arctic tundra ecosystems
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- Zona, Donatella (author)
- University of Sheffield,San Diego State University
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- Lafleur, Peter M. (author)
- Trent University
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- Hufkens, Koen (author)
- INRA Bordeaux-Aquitaine,Ghent University
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- Bailey, Barbara (author)
- San Diego State University
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- Gioli, Beniamino (author)
- CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC)
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- Burba, George (author)
- LI-COR Biosciences, Inc.
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- Goodrich, Jordan P. (author)
- University of Waikato
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- Liljedahl, Anna K. (author)
- University of Alaska Fairbanks
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- Euskirchen, Eugénie S. (author)
- University of Alaska Fairbanks
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- Watts, Jennifer D. (author)
- University of Montana
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Farina, Mary (author)
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- Kimball, John S. (author)
- University of Montana
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- Heimann, Martin (author)
- Max Planck Institute for Biogeochemistry,University of Helsinki
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- Göckede, Mathias (author)
- Max Planck Institute for Biogeochemistry
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- Pallandt, Martijn (author)
- Max Planck Institute for Biogeochemistry
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- Christensen, Torben R. (author)
- University of Oulu,Aarhus University
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- Mastepanov, Mikhail (author)
- Aarhus University,University of Oulu
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- López-Blanco, Efrén (author)
- Greenland Institute of Natural Resources,Aarhus University
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- Jackowicz-Korczynski, Marcin (author)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Aarhus University
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- Dolman, Albertus J. (author)
- Royal Netherlands Institute of Sea Research
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- Marchesini, Luca Belelli (author)
- RUDN University,Edmund Mach Foundation
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- Commane, Roisin (author)
- Lamont-Doherty Earth Observatory
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- Wofsy, Steven C. (author)
- Harvard John A. Paulson School of Engineering and Applied Sciences
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- Miller, Charles E. (author)
- California Institute of Technology
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- Lipson, David A. (author)
- San Diego State University
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- Hashemi, Josh (author)
- San Diego State University
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- Arndt, Kyle A. (author)
- University of New Hampshire, Durham
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- Kutzbach, Lars (author)
- University of Hamburg
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- Holl, David (author)
- University of Hamburg
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- Boike, Julia (author)
- Humboldt University of Berlin,Alfred-Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven
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- Wille, Christian (author)
- GFZ German Research Centre for Geosciences
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- Sachs, Torsten (author)
- GFZ German Research Centre for Geosciences
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- Kalhori, Aram (author)
- GFZ German Research Centre for Geosciences
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- Song, Xia (author)
- San Diego State University
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- Xu, Xiaofeng (author)
- San Diego State University
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- Humphreys, Elyn R. (author)
- Carleton University
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- Koven, Charles D. (author)
- Lawrence Berkeley National Laboratory
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- Sonnentag, Oliver (author)
- University Of Quebec In Montreal
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- Meyer, Gesa (author)
- University Of Quebec In Montreal
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- Gosselin, Gabriel H. (author)
- University Of Quebec In Montreal
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- Marsh, Philip (author)
- Wilfrid Laurier University
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- Oechel, Walter C. (author)
- San Diego State University,University of Exeter
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(creator_code:org_t)
- 2022-03-21
- 2022
- English.
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In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 12:1
- Related links:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Zona, Donatella
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Lafleur, Peter M ...
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Hufkens, Koen
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Bailey, Barbara
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Gioli, Beniamino
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Burba, George
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show more...
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Goodrich, Jordan ...
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Liljedahl, Anna ...
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Euskirchen, Eugé ...
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Watts, Jennifer ...
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Farina, Mary
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Kimball, John S.
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Heimann, Martin
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Göckede, Mathias
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Pallandt, Martij ...
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Christensen, Tor ...
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Mastepanov, Mikh ...
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López-Blanco, Ef ...
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Jackowicz-Korczy ...
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Dolman, Albertus ...
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Marchesini, Luca ...
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Commane, Roisin
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Wofsy, Steven C.
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Miller, Charles ...
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Lipson, David A.
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Hashemi, Josh
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Arndt, Kyle A.
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Kutzbach, Lars
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Holl, David
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Boike, Julia
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Wille, Christian
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Sachs, Torsten
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Kalhori, Aram
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Song, Xia
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Xu, Xiaofeng
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Humphreys, Elyn ...
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Koven, Charles D ...
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Sonnentag, Olive ...
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Meyer, Gesa
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Gosselin, Gabrie ...
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Marsh, Philip
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Oechel, Walter C ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Physical Geograp ...
- Articles in the publication
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Scientific Repor ...
- By the university
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Lund University