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The dry season inte...
The dry season intensity as a key driver of NPP trends
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- Murray-Tortarolo, Guillermo (författare)
- University of Exeter
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- Friedlingstein, Pierre (författare)
- University of Exeter
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- Sitch, Stephen (författare)
- Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science,University of Exeter
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- Seneviratne, Sonia I. (författare)
- ETH Zürich
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- Fletcher, Imogen (författare)
- University of Exeter
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- Mueller, Brigitte (författare)
- Environment Canada,ETH Zürich
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- Greve, Peter (författare)
- ETH Zürich
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- Anav, Alessandro (författare)
- University of Exeter
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- Liu, Yi (författare)
- University of New South Wales
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- Ahlström, Anders (författare)
- Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science
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- Huntingford, Chris (författare)
- Centre for Ecology & Hydrology, Wallingford
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- Levis, Sam (författare)
- National Center for Atmospheric Research
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- Levy, Peter (författare)
- Centre for Ecology & Hydrology, Wallingford
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- Lomas, Mark (författare)
- University of Sheffield
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- Poulter, Benjamin (författare)
- Laboratoire des Sciences du Climat et de l'Environnement
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- Viovy, Nicholas (författare)
- Max Planck Institute for Biogeochemistry
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- Zaehle, Sonke (författare)
- University of Maryland
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- Zeng, Ning (författare)
- Karlsruhe Institute of Technology
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(creator_code:org_t)
- 2016
- 2016
- Svenska 8 s.
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Ingår i: Geophysical Research Letters. - 1944-8007. ; 43:6, s. 2632-2639
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We analyze the impacts of changing dry season length and intensity on vegetation productivity and biomass. Our results show a wetness asymmetry in dry ecosystems, with dry seasons becoming drier and wet seasons becoming wetter, likely caused by climate change. The increasingly intense dry seasons were consistently correlated with a decreasing trend in net primary productivity (NPP) and biomass from different products and could potentially mean a reduction of 10–13% in NPP by 2100. We found that annual NPP in dry ecosystems is particularly sensitive to the intensity of the dry season, whereas an increase in precipitation during the wet season has a smaller effect. We conclude that changes in water availability over the dry season affect vegetation throughout the whole year, driving changes in regional NPP. Moreover, these results suggest that usage of seasonal water fluxes is necessary to improve our understanding of the link between water availability and the land carbon cycle.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Nyckelord
- dry season length land carbon cycle drought 0428 Carbon cycling 1630 Impacts of global change 1655 Water cycles 1615 Biogeochemical cycles, processes, and modeling 1616 Climate variability
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Murray-Tortarolo ...
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Friedlingstein, ...
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Sitch, Stephen
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Seneviratne, Son ...
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Fletcher, Imogen
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Mueller, Brigitt ...
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visa fler...
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Greve, Peter
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Anav, Alessandro
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Liu, Yi
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Ahlström, Anders
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Huntingford, Chr ...
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Levis, Sam
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Levy, Peter
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Lomas, Mark
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Poulter, Benjami ...
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Viovy, Nicholas
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Zaehle, Sonke
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Zeng, Ning
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visa färre...
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- NATURVETENSKAP
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Geophysical Rese ...
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Lunds universitet