Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer
International audience During the 2011/12 and 2012/13 austral summers , HCHO was investigated for the first time in ambient air, snow, and interstitial air at the Concordia site, located near Dome C on the East Antarctic Plateau, by deploying an Aerolaser AL-4021 analyzer. Snow emission fluxes were...
Published in: | Atmospheric Chemistry and Physics |
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Main Authors: | , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2015
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Subjects: | |
Online Access: | https://hal.science/hal-01164674 https://hal.science/hal-01164674v2/document https://hal.science/hal-01164674v2/file/acp-15-6689-2015.pdf https://doi.org/10.5194/acp-15-6689-2015 |
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Université d'Orléans: HAL |
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English |
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[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
spellingShingle |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] Preunkert, Suzanne Legrand, Michel Frey, Markus Kukui, Alexandre Savarino, Joël Gallée, Hubert King, M. Jourdain, Bruno Vicars, William Helmig, Detlev Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer |
topic_facet |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
description |
International audience During the 2011/12 and 2012/13 austral summers , HCHO was investigated for the first time in ambient air, snow, and interstitial air at the Concordia site, located near Dome C on the East Antarctic Plateau, by deploying an Aerolaser AL-4021 analyzer. Snow emission fluxes were estimated from vertical gradients of mixing ratios observed at 1 cm and 1 m above the snow surface as well as in interstitial air a few centimeters below the surface and in air just above the snowpack. Typical flux values range between 1 and 2 × 10 12 molecules m -2 s -1 at night and 3 and 5 × 10 12 molecules m -2 s -1 at noon. Shading experiments suggest that the photochemical HCHO production in the snowpack at Concordia remains negligible compared to temperature-driven air–snow exchanges. At 1 m above the snow surface, the observed mean mixing ratio of 130 pptv and its diurnal cycle characterized by a slight decrease around noon are quite well reproduced by 1-D simulations that include snow emissions and gas-phase methane oxidation chemistry. Simulations indicate that the gas-phase production from CH 4 oxidation largely contributes (66 %) to the observed HCHO mixing ratios. In addition, HCHO snow emissions account for ∼ 30 % at night and ∼ 10 % at noon to the observed HCHO levels. |
author2 |
Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Université Joseph Fourier - Grenoble 1 (UJF) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) TROPO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E) Observatoire des Sciences de l'Univers en région Centre (OSUC) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales Paris (CNES) Birmingham City University (BCU) Institute of Arctic Alpine Research University of Colorado Boulder (INSTAAR) University of Colorado Boulder Agence Nationale de la Recherche (ANR) Institut Polaire Français- Paul Emile Victor (IPEV) ANR-09-BLAN-0226,OPALE(2009) |
format |
Article in Journal/Newspaper |
author |
Preunkert, Suzanne Legrand, Michel Frey, Markus Kukui, Alexandre Savarino, Joël Gallée, Hubert King, M. Jourdain, Bruno Vicars, William Helmig, Detlev |
author_facet |
Preunkert, Suzanne Legrand, Michel Frey, Markus Kukui, Alexandre Savarino, Joël Gallée, Hubert King, M. Jourdain, Bruno Vicars, William Helmig, Detlev |
author_sort |
Preunkert, Suzanne |
title |
Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer |
title_short |
Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer |
title_full |
Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer |
title_fullStr |
Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer |
title_full_unstemmed |
Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer |
title_sort |
formaldehyde (hcho) in air, snow, and interstitial air at concordia (east antarctic plateau) in summer |
publisher |
HAL CCSD |
publishDate |
2015 |
url |
https://hal.science/hal-01164674 https://hal.science/hal-01164674v2/document https://hal.science/hal-01164674v2/file/acp-15-6689-2015.pdf https://doi.org/10.5194/acp-15-6689-2015 |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.science/hal-01164674 Atmospheric Chemistry and Physics, 2015, 15 (12), pp.6689-6705. ⟨10.5194/acp-15-6689-2015⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-15-6689-2015 hal-01164674 https://hal.science/hal-01164674 https://hal.science/hal-01164674v2/document https://hal.science/hal-01164674v2/file/acp-15-6689-2015.pdf doi:10.5194/acp-15-6689-2015 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/acp-15-6689-2015 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
15 |
container_issue |
12 |
container_start_page |
6689 |
op_container_end_page |
6705 |
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1810494294594682880 |
spelling |
ftunivorleans:oai:HAL:hal-01164674v2 2024-09-15T17:46:17+00:00 Formaldehyde (HCHO) in air, snow, and interstitial air at Concordia (East Antarctic Plateau) in summer Preunkert, Suzanne Legrand, Michel Frey, Markus Kukui, Alexandre Savarino, Joël Gallée, Hubert King, M. Jourdain, Bruno Vicars, William Helmig, Detlev Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Université Joseph Fourier - Grenoble 1 (UJF) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) TROPO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E) Observatoire des Sciences de l'Univers en région Centre (OSUC) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales Paris (CNES) Birmingham City University (BCU) Institute of Arctic Alpine Research University of Colorado Boulder (INSTAAR) University of Colorado Boulder Agence Nationale de la Recherche (ANR) Institut Polaire Français- Paul Emile Victor (IPEV) ANR-09-BLAN-0226,OPALE(2009) 2015 https://hal.science/hal-01164674 https://hal.science/hal-01164674v2/document https://hal.science/hal-01164674v2/file/acp-15-6689-2015.pdf https://doi.org/10.5194/acp-15-6689-2015 en eng HAL CCSD European Geosciences Union info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-15-6689-2015 hal-01164674 https://hal.science/hal-01164674 https://hal.science/hal-01164674v2/document https://hal.science/hal-01164674v2/file/acp-15-6689-2015.pdf doi:10.5194/acp-15-6689-2015 info:eu-repo/semantics/OpenAccess ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.science/hal-01164674 Atmospheric Chemistry and Physics, 2015, 15 (12), pp.6689-6705. ⟨10.5194/acp-15-6689-2015⟩ [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] info:eu-repo/semantics/article Journal articles 2015 ftunivorleans https://doi.org/10.5194/acp-15-6689-2015 2024-06-25T00:03:21Z International audience During the 2011/12 and 2012/13 austral summers , HCHO was investigated for the first time in ambient air, snow, and interstitial air at the Concordia site, located near Dome C on the East Antarctic Plateau, by deploying an Aerolaser AL-4021 analyzer. Snow emission fluxes were estimated from vertical gradients of mixing ratios observed at 1 cm and 1 m above the snow surface as well as in interstitial air a few centimeters below the surface and in air just above the snowpack. Typical flux values range between 1 and 2 × 10 12 molecules m -2 s -1 at night and 3 and 5 × 10 12 molecules m -2 s -1 at noon. Shading experiments suggest that the photochemical HCHO production in the snowpack at Concordia remains negligible compared to temperature-driven air–snow exchanges. At 1 m above the snow surface, the observed mean mixing ratio of 130 pptv and its diurnal cycle characterized by a slight decrease around noon are quite well reproduced by 1-D simulations that include snow emissions and gas-phase methane oxidation chemistry. Simulations indicate that the gas-phase production from CH 4 oxidation largely contributes (66 %) to the observed HCHO mixing ratios. In addition, HCHO snow emissions account for ∼ 30 % at night and ∼ 10 % at noon to the observed HCHO levels. Article in Journal/Newspaper Antarc* Antarctic Université d'Orléans: HAL Atmospheric Chemistry and Physics 15 12 6689 6705 |