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Delayed Pantropical Carbon Sink Recovery Due To Asynchronous Post-El Niño Photosynthesis and Respiration Trajectories

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Název: Delayed Pantropical Carbon Sink Recovery Due To Asynchronous Post-El Niño Photosynthesis and Respiration Trajectories
Autoři: Wu, Mousong, Scholze, Marko, Chen, Jing M., Kerr, Yann, Vossbeck, Michael, Rodriguez-Fernandez, Nemesio, Kaminski, Thomas
Přispěvatelé: Lund University, Faculty of Science, Dept of Physical Geography and Ecosystem Science, Lunds universitet, Naturvetenskapliga fakulteten, Institutionen för naturgeografi och ekosystemvetenskap, Originator, Lund University, Faculty of Engineering, LTH, LTH Profile areas, LTH Profile Area: Aerosols, Lunds universitet, Lunds Tekniska Högskola, LTH profilområden, LTH profilområde: Aerosoler, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), BECC: Biodiversity and Ecosystem services in a Changing Climate, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), BECC: Biodiversity and Ecosystem services in a Changing Climate, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), eSSENCE: The e-Science Collaboration, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), eSSENCE: The e-Science Collaboration, Originator, Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), MERGE: ModElling the Regional and Global Earth system, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), MERGE: ModElling the Regional and Global Earth system, Originator
Zdroj: Geophysical Research Letters. 52(19)
Témata: Natural Sciences, Earth and Related Environmental Sciences, Physical Geography, Naturvetenskap, Geovetenskap och relaterad miljövetenskap, Naturgeografi, Climate Science, Klimatvetenskap
Popis: Occurring in 2015/16, the strong El Niño has been shown to significantly influence the pantropical carbon fluxes with multiple lines of evidence. However, a comprehensive understanding on the regional and vegetation-specific net ecosystem productivity (NEP) in response to this El Niño event and its recovery trajectories remain unclear. We revisited the controlling factors in the recovery of pantropical NEP from the 2015/16 El Niño until 2020 using a data assimilation framework. We estimated the pantropical net carbon emissions of 0.91 Pg C/yr in 2015 and the mean fraction of recovered area was 0.77 ± 0.07 during 2016–2020. Specifically, we found that temperature and radiation played dominant roles in controlling the recovery of forests' NEP via reducing photosynthesis. Furthermore, we revealed the compound climatic controls on enhanced ecosystem respiration offset NEP recovery over non-forests. These results suggest that the divergence in carbon fluxes regulates the pantropical ecosystem net carbon uptake recovery.
Přístupová URL adresa: https://doi.org/10.1029/2025GL116236
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  Data: Delayed Pantropical Carbon Sink Recovery Due To Asynchronous Post-El Niño Photosynthesis and Respiration Trajectories
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Mousong%22">Wu, Mousong</searchLink><br /><searchLink fieldCode="AR" term="%22Scholze%2C+Marko%22">Scholze, Marko</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+Jing+M%2E%22">Chen, Jing M.</searchLink><br /><searchLink fieldCode="AR" term="%22Kerr%2C+Yann%22">Kerr, Yann</searchLink><br /><searchLink fieldCode="AR" term="%22Vossbeck%2C+Michael%22">Vossbeck, Michael</searchLink><br /><searchLink fieldCode="AR" term="%22Rodriguez-Fernandez%2C+Nemesio%22">Rodriguez-Fernandez, Nemesio</searchLink><br /><searchLink fieldCode="AR" term="%22Kaminski%2C+Thomas%22">Kaminski, Thomas</searchLink>
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  Data: Lund University, Faculty of Science, Dept of Physical Geography and Ecosystem Science, Lunds universitet, Naturvetenskapliga fakulteten, Institutionen för naturgeografi och ekosystemvetenskap, Originator<br />Lund University, Faculty of Engineering, LTH, LTH Profile areas, LTH Profile Area: Aerosols, Lunds universitet, Lunds Tekniska Högskola, LTH profilområden, LTH profilområde: Aerosoler, Originator<br />Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), BECC: Biodiversity and Ecosystem services in a Changing Climate, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), BECC: Biodiversity and Ecosystem services in a Changing Climate, Originator<br />Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), eSSENCE: The e-Science Collaboration, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), eSSENCE: The e-Science Collaboration, Originator<br />Lund University, Profile areas and other strong research environments, Strategic research areas (SRA), MERGE: ModElling the Regional and Global Earth system, Lunds universitet, Profilområden och andra starka forskningsmiljöer, Strategiska forskningsområden (SFO), MERGE: ModElling the Regional and Global Earth system, Originator
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  Data: <i>Geophysical Research Letters</i>. 52(19)
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  Data: Occurring in 2015/16, the strong El Niño has been shown to significantly influence the pantropical carbon fluxes with multiple lines of evidence. However, a comprehensive understanding on the regional and vegetation-specific net ecosystem productivity (NEP) in response to this El Niño event and its recovery trajectories remain unclear. We revisited the controlling factors in the recovery of pantropical NEP from the 2015/16 El Niño until 2020 using a data assimilation framework. We estimated the pantropical net carbon emissions of 0.91 Pg C/yr in 2015 and the mean fraction of recovered area was 0.77 ± 0.07 during 2016–2020. Specifically, we found that temperature and radiation played dominant roles in controlling the recovery of forests' NEP via reducing photosynthesis. Furthermore, we revealed the compound climatic controls on enhanced ecosystem respiration offset NEP recovery over non-forests. These results suggest that the divergence in carbon fluxes regulates the pantropical ecosystem net carbon uptake recovery.
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