Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers
International audience Abstract. The isotopic composition of dioxygen in the atmosphere is a global tracer which depends on the biosphere flux of dioxygen toward and from the atmosphere (photosynthesis and respiration) as well as exchanges with the stratosphere. When measured in fossil air trapped i...
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Online Access: | https://hal.science/hal-04042604 https://hal.science/hal-04042604/document https://hal.science/hal-04042604/file/bg-20-1047-2023.pdf https://doi.org/10.5194/bg-20-1047-2023 |
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ftanrparis:oai:HAL:hal-04042604v1 2024-06-09T07:46:44+00:00 Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers Paul, Clémence Piel, Clément Sauze, Joana Pasquier, Nicolas Prié, Frédéric Devidal, Sébastien Jacob, Roxanne Dapoigny, Arnaud Jossoud, Olivier Milcu, Alexandru Landais, Amaëlle Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Écotron Européen de Montpellier Centre National de la Recherche Scientifique (CNRS) Géochrononologie Traceurs Archéométrie (GEOTRAC) ANR-11-INBS-0001,ANAEE-FR,ANAEE-Services(2011) 2023 https://hal.science/hal-04042604 https://hal.science/hal-04042604/document https://hal.science/hal-04042604/file/bg-20-1047-2023.pdf https://doi.org/10.5194/bg-20-1047-2023 en eng HAL CCSD European Geosciences Union info:eu-repo/semantics/altIdentifier/doi/10.5194/bg-20-1047-2023 hal-04042604 https://hal.science/hal-04042604 https://hal.science/hal-04042604/document https://hal.science/hal-04042604/file/bg-20-1047-2023.pdf doi:10.5194/bg-20-1047-2023 info:eu-repo/semantics/OpenAccess ISSN: 1726-4170 EISSN: 1726-4189 Biogeosciences https://hal.science/hal-04042604 Biogeosciences, 2023, 20 (5), pp.1047-1062. ⟨10.5194/bg-20-1047-2023⟩ PANOPLY [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2023 ftanrparis https://doi.org/10.5194/bg-20-1047-2023 2024-05-16T14:48:04Z International audience Abstract. The isotopic composition of dioxygen in the atmosphere is a global tracer which depends on the biosphere flux of dioxygen toward and from the atmosphere (photosynthesis and respiration) as well as exchanges with the stratosphere. When measured in fossil air trapped in ice cores, the relative concentration of 16O, 17O, and 18O of O2 can be used for several applications such as ice core dating and past global productivity reconstruction. However, there are still uncertainties about the accuracy of these tracers as they depend on the integrated isotopic discrimination of different biological processes of dioxygen production and uptake, for which we currently have very few independent estimates. Here we determined the respiration and photosynthesis fractionation factors for atmospheric dioxygen from experiments carried out in a replicated vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers with growing Festuca arundinacea. The values for 18O discrimination during soil respiration and dark respiration in leaves are equal to -12.3±1.7 ‰ and -19.1±2.4 ‰, respectively. In these closed biological chambers, we also found a value attributed to terrestrial photosynthetic isotopic discrimination equal to +3.7±1.3 ‰. This last estimate suggests that the contribution of terrestrial productivity in the Dole effect may have been underestimated in previous studies. Article in Journal/Newspaper ice core Portail HAL-ANR (Agence Nationale de la Recherche) Biogeosciences 20 5 1047 1062 |
institution |
Open Polar |
collection |
Portail HAL-ANR (Agence Nationale de la Recherche) |
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ftanrparis |
language |
English |
topic |
PANOPLY [SDU]Sciences of the Universe [physics] |
spellingShingle |
PANOPLY [SDU]Sciences of the Universe [physics] Paul, Clémence Piel, Clément Sauze, Joana Pasquier, Nicolas Prié, Frédéric Devidal, Sébastien Jacob, Roxanne Dapoigny, Arnaud Jossoud, Olivier Milcu, Alexandru Landais, Amaëlle Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
topic_facet |
PANOPLY [SDU]Sciences of the Universe [physics] |
description |
International audience Abstract. The isotopic composition of dioxygen in the atmosphere is a global tracer which depends on the biosphere flux of dioxygen toward and from the atmosphere (photosynthesis and respiration) as well as exchanges with the stratosphere. When measured in fossil air trapped in ice cores, the relative concentration of 16O, 17O, and 18O of O2 can be used for several applications such as ice core dating and past global productivity reconstruction. However, there are still uncertainties about the accuracy of these tracers as they depend on the integrated isotopic discrimination of different biological processes of dioxygen production and uptake, for which we currently have very few independent estimates. Here we determined the respiration and photosynthesis fractionation factors for atmospheric dioxygen from experiments carried out in a replicated vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers with growing Festuca arundinacea. The values for 18O discrimination during soil respiration and dark respiration in leaves are equal to -12.3±1.7 ‰ and -19.1±2.4 ‰, respectively. In these closed biological chambers, we also found a value attributed to terrestrial photosynthetic isotopic discrimination equal to +3.7±1.3 ‰. This last estimate suggests that the contribution of terrestrial productivity in the Dole effect may have been underestimated in previous studies. |
author2 |
Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Écotron Européen de Montpellier Centre National de la Recherche Scientifique (CNRS) Géochrononologie Traceurs Archéométrie (GEOTRAC) ANR-11-INBS-0001,ANAEE-FR,ANAEE-Services(2011) |
format |
Article in Journal/Newspaper |
author |
Paul, Clémence Piel, Clément Sauze, Joana Pasquier, Nicolas Prié, Frédéric Devidal, Sébastien Jacob, Roxanne Dapoigny, Arnaud Jossoud, Olivier Milcu, Alexandru Landais, Amaëlle |
author_facet |
Paul, Clémence Piel, Clément Sauze, Joana Pasquier, Nicolas Prié, Frédéric Devidal, Sébastien Jacob, Roxanne Dapoigny, Arnaud Jossoud, Olivier Milcu, Alexandru Landais, Amaëlle |
author_sort |
Paul, Clémence |
title |
Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
title_short |
Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
title_full |
Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
title_fullStr |
Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
title_full_unstemmed |
Determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
title_sort |
determination of respiration and photosynthesis fractionation factors for atmospheric dioxygen inferred from a vegetation–soil–atmosphere analogue of the terrestrial biosphere in closed chambers |
publisher |
HAL CCSD |
publishDate |
2023 |
url |
https://hal.science/hal-04042604 https://hal.science/hal-04042604/document https://hal.science/hal-04042604/file/bg-20-1047-2023.pdf https://doi.org/10.5194/bg-20-1047-2023 |
genre |
ice core |
genre_facet |
ice core |
op_source |
ISSN: 1726-4170 EISSN: 1726-4189 Biogeosciences https://hal.science/hal-04042604 Biogeosciences, 2023, 20 (5), pp.1047-1062. ⟨10.5194/bg-20-1047-2023⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/bg-20-1047-2023 hal-04042604 https://hal.science/hal-04042604 https://hal.science/hal-04042604/document https://hal.science/hal-04042604/file/bg-20-1047-2023.pdf doi:10.5194/bg-20-1047-2023 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/bg-20-1047-2023 |
container_title |
Biogeosciences |
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20 |
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5 |
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1047 |
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1062 |
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1801376710458867712 |