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Detection and attri...
Detection and attribution of an anomaly in terrestrial photosynthesis in Europe during the COVID-19 lockdown
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- Tang, Angela Che Ing (författare)
- University of Toledo,Interaction Sol Plante Atmosphère (ISPA)
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- Flechard, Christophe R. (författare)
- L'Institut Agro Rennes-Angers
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- Arriga, Nicola (författare)
- European Commission Joint Research Centre, Ispra
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- Papale, Dario (författare)
- Euro-Mediterranean Center on Climate Change,University of Tuscia
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- Stoy, Paul C. (författare)
- University of Wisconsin-Madison
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- Buchmann, Nina (författare)
- ETH Zürich
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- Cuntz, Matthias (författare)
- University of Lorraine
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- Douros, John (författare)
- Royal Netherlands Meteorological Institute
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- Fares, Silvano (författare)
- CNR Institute for Agricultural and Forestry Systems in the Mediterranean (CNR-ISAFOM),Max Planck Institute for Biogeochemistry
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- Knohl, Alexander (författare)
- University of Göttingen
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- Šigut, Ladislav (författare)
- Global Change Research Centre of the Czech Academy of Sciences
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- Simioni, Guillaume (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE)
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- Timmermans, Renske (författare)
- Netherlands Organisation for Applied Scientific Research (Utrecht)
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- Grünwald, Thomas (författare)
- Dresden University of Technology
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- Ibrom, Andreas (författare)
- Technical University of Denmark
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- Loubet, Benjamin (författare)
- University of Paris-Saclay
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- Mammarella, Ivan (författare)
- University of Helsinki
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- Belelli Marchesini, Luca (författare)
- Edmund Mach Foundation
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- Nilsson, Mats (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Peichl, Matthias (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Umeå,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Rebmann, Corinna (författare)
- Helmholtz Centre for Environmental Research (UFZ)
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- Schmidt, Marius (författare)
- Jülich Research Centre
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- Bernhofer, Christian (författare)
- Dresden University of Technology
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- Berveiller, Daniel (författare)
- University of Paris-Saclay
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- Cremonese, Edoardo (författare)
- Environmental Protection Agency of Aosta Valley
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- El-Madany, Tarek S. (författare)
- Max Planck Institute for Biogeochemistry
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- Gharun, Mana (författare)
- ETH Zürich,University of Münster
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- Gianelle, Damiano (författare)
- Edmund Mach Foundation
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- Hörtnagl, Lukas (författare)
- ETH Zürich
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- Roland, Marilyn (författare)
- University of Antwerp
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- Varlagin, Andrej (författare)
- Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences
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- Fu, Zheng (författare)
- University of Paris-Saclay
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- Heinesch, Bernard (författare)
- University of Liège
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- Janssens, Ivan (författare)
- University of Antwerp
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- Kowalska, Natalia (författare)
- Global Change Research Centre of the Czech Academy of Sciences
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- Dušek, Jiří (författare)
- Global Change Research Centre of the Czech Academy of Sciences
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- Gerosa, Giacomo (författare)
- Catholic University of the Sacred Heart, Brescia
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- Mölder, Meelis (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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- Tuittila, Eeva Stiina (författare)
- University of Eastern Finland
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- Loustau, Denis (författare)
- Interaction Sol Plante Atmosphère (ISPA)
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(creator_code:org_t)
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- 2023
- 2023
- Engelska.
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Ingår i: Science of the Total Environment. - 0048-9697 .- 1879-1026. ; 903
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://pub.epsilon.... (primary) (Raw object) (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- Carbon dioxide (CO2) uptake by plant photosynthesis, referred to as gross primary production (GPP) at the ecosystem level, is sensitive to environmental factors, including pollutant exposure, pollutant uptake, and changes in the scattering of solar shortwave irradiance (SWin) − the energy source for photosynthesis. The 2020 spring lockdown due to COVID-19 resulted in improved air quality and atmospheric transparency, providing a unique opportunity to assess the impact of air pollutants on terrestrial ecosystem functioning. However, detecting these effects can be challenging as GPP is influenced by other meteorological drivers and management practices. Based on data collected from 44 European ecosystem-scale CO2 flux monitoring stations, we observed significant changes in spring GPP at 34 sites during 2020 compared to 2015–2019. Among these, 14 sites showed an increase in GPP associated with higher SWin, 10 sites had lower GPP linked to atmospheric and soil dryness, and seven sites were subjected to management practices. The remaining three sites exhibited varying dynamics, with one experiencing colder and rainier weather resulting in lower GPP, and two showing higher GPP associated with earlier spring melts. Analysis using the regional atmospheric chemical transport model (LOTOS-EUROS) indicated that the ozone (O3) concentration remained relatively unchanged at the research sites, making it unlikely that O3 exposure was the dominant factor driving the primary production anomaly. In contrast, SWin increased by 9.4 % at 36 sites, suggesting enhanced GPP possibly due to reduced aerosol optical depth and cloudiness. Our findings indicate that air pollution and cloudiness may weaken the terrestrial carbon sink by up to 16 %. Accurate and continuous ground-based observations are crucial for detecting and attributing subtle changes in terrestrial ecosystem functioning in response to environmental and anthropogenic drivers.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Nyckelord
- Aerosol optical depth
- Air quality
- COVID-19
- Eddy covariance
- Gross primary production
- Shortwave irradiance
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Tang, Angela Che ...
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Flechard, Christ ...
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Arriga, Nicola
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Papale, Dario
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Stoy, Paul C.
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Buchmann, Nina
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visa fler...
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Cuntz, Matthias
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Douros, John
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Fares, Silvano
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Knohl, Alexander
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Šigut, Ladislav
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Simioni, Guillau ...
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Timmermans, Rens ...
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Grünwald, Thomas
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Ibrom, Andreas
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Loubet, Benjamin
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Mammarella, Ivan
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Belelli Marchesi ...
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Nilsson, Mats
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Peichl, Matthias
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Rebmann, Corinna
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Schmidt, Marius
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Bernhofer, Chris ...
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Berveiller, Dani ...
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Cremonese, Edoar ...
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El-Madany, Tarek ...
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Gharun, Mana
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Gianelle, Damian ...
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Hörtnagl, Lukas
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Roland, Marilyn
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Varlagin, Andrej
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Fu, Zheng
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Heinesch, Bernar ...
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Janssens, Ivan
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Kowalska, Natali ...
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Dušek, Jiří
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Gerosa, Giacomo
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Mölder, Meelis
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Tuittila, Eeva S ...
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Loustau, Denis
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Geovetenskap och ...
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och Naturgeografi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Geovetenskap och ...
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och Miljövetenskap
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Science of the T ...
- Av lärosätet
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Lunds universitet
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Sveriges Lantbruksuniversitet