A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient
International audience Two ice cores recovered from the Himalayan East Rongbuk (ER) Glacier on the northeast saddle of Mt. Qomolangma (Everest) (28°01' N, 86°58' E, 6518 m above sea level) give access to a tentative record of past Himalayan atmospheric mixing ratio of CH4 spanning the past...
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Online Access: | https://hal.archives-ouvertes.fr/hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123/document https://hal.archives-ouvertes.fr/hal-03104123/file/cp-9-2549-2013.pdf https://doi.org/10.5194/CP-9-2549-2013 |
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ftccsdartic:oai:HAL:hal-03104123v1 2023-05-15T13:49:23+02:00 A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient Hou, S. Chappellaz, J. Raynaud, D. Masson-Delmotte, V. Jouzel, J. Bousquet, P. Hauglustaine, D. Nanjing University (NJU) 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) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-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)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Modélisation INVerse pour les mesures atmosphériques et SATellitaires (SATINV) Modelling the Earth Response to Multiple Anthropogenic Interactions and Dynamics (MERMAID) 2013 https://hal.archives-ouvertes.fr/hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123/document https://hal.archives-ouvertes.fr/hal-03104123/file/cp-9-2549-2013.pdf https://doi.org/10.5194/CP-9-2549-2013 en eng HAL CCSD European Geosciences Union (EGU) info:eu-repo/semantics/altIdentifier/doi/10.5194/CP-9-2549-2013 hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123/document https://hal.archives-ouvertes.fr/hal-03104123/file/cp-9-2549-2013.pdf doi:10.5194/CP-9-2549-2013 info:eu-repo/semantics/OpenAccess ISSN: 1814-9324 EISSN: 1814-9332 Climate of the Past https://hal.archives-ouvertes.fr/hal-03104123 Climate of the Past, European Geosciences Union (EGU), 2013, 9 (6), pp.2549-2554. ⟨10.5194/CP-9-2549-2013⟩ [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment info:eu-repo/semantics/article Journal articles 2013 ftccsdartic https://doi.org/10.5194/CP-9-2549-2013 2021-12-19T00:35:02Z International audience Two ice cores recovered from the Himalayan East Rongbuk (ER) Glacier on the northeast saddle of Mt. Qomolangma (Everest) (28°01' N, 86°58' E, 6518 m above sea level) give access to a tentative record of past Himalayan atmospheric mixing ratio of CH4 spanning the past 1200 yr. The major part of the record is affected by artifacts probably due to in situ production. After selecting what may represent the true atmospheric mixing ratio, an average of 749 ± 25 ppbv of CH4 is estimated for the late preindustrial Holocene, which is ~ 36 ± 17 (~ 73 ± 18) ppbv higher than the atmospheric levels recorded in the Greenland (Antarctic) ice cores. A comparison of these new data with model simulations of the CH4 latitudinal gradient suggests either that the models do not get a correct balance between high and low latitude CH4 sources, or that the filtered CH4 profile from the ER cores remains biased by small artifacts. Article in Journal/Newspaper Antarc* Antarctic glacier Greenland ice core Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Greenland Climate of the Past 9 6 2549 2554 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment Hou, S. Chappellaz, J. Raynaud, D. Masson-Delmotte, V. Jouzel, J. Bousquet, P. Hauglustaine, D. A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
description |
International audience Two ice cores recovered from the Himalayan East Rongbuk (ER) Glacier on the northeast saddle of Mt. Qomolangma (Everest) (28°01' N, 86°58' E, 6518 m above sea level) give access to a tentative record of past Himalayan atmospheric mixing ratio of CH4 spanning the past 1200 yr. The major part of the record is affected by artifacts probably due to in situ production. After selecting what may represent the true atmospheric mixing ratio, an average of 749 ± 25 ppbv of CH4 is estimated for the late preindustrial Holocene, which is ~ 36 ± 17 (~ 73 ± 18) ppbv higher than the atmospheric levels recorded in the Greenland (Antarctic) ice cores. A comparison of these new data with model simulations of the CH4 latitudinal gradient suggests either that the models do not get a correct balance between high and low latitude CH4 sources, or that the filtered CH4 profile from the ER cores remains biased by small artifacts. |
author2 |
Nanjing University (NJU) 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) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-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)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Modélisation INVerse pour les mesures atmosphériques et SATellitaires (SATINV) Modelling the Earth Response to Multiple Anthropogenic Interactions and Dynamics (MERMAID) |
format |
Article in Journal/Newspaper |
author |
Hou, S. Chappellaz, J. Raynaud, D. Masson-Delmotte, V. Jouzel, J. Bousquet, P. Hauglustaine, D. |
author_facet |
Hou, S. Chappellaz, J. Raynaud, D. Masson-Delmotte, V. Jouzel, J. Bousquet, P. Hauglustaine, D. |
author_sort |
Hou, S. |
title |
A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient |
title_short |
A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient |
title_full |
A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient |
title_fullStr |
A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient |
title_full_unstemmed |
A new Himalayan ice core CH4 record: possible hints at the preindustrial latitudinal gradient |
title_sort |
new himalayan ice core ch4 record: possible hints at the preindustrial latitudinal gradient |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal.archives-ouvertes.fr/hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123/document https://hal.archives-ouvertes.fr/hal-03104123/file/cp-9-2549-2013.pdf https://doi.org/10.5194/CP-9-2549-2013 |
geographic |
Antarctic Greenland |
geographic_facet |
Antarctic Greenland |
genre |
Antarc* Antarctic glacier Greenland ice core |
genre_facet |
Antarc* Antarctic glacier Greenland ice core |
op_source |
ISSN: 1814-9324 EISSN: 1814-9332 Climate of the Past https://hal.archives-ouvertes.fr/hal-03104123 Climate of the Past, European Geosciences Union (EGU), 2013, 9 (6), pp.2549-2554. ⟨10.5194/CP-9-2549-2013⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/CP-9-2549-2013 hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123 https://hal.archives-ouvertes.fr/hal-03104123/document https://hal.archives-ouvertes.fr/hal-03104123/file/cp-9-2549-2013.pdf doi:10.5194/CP-9-2549-2013 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/CP-9-2549-2013 |
container_title |
Climate of the Past |
container_volume |
9 |
container_issue |
6 |
container_start_page |
2549 |
op_container_end_page |
2554 |
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1766251292244574208 |