Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007
In the OOMPH (Ocean Organics Modifying Particles in both Hemispheres) project a ship measurement cruise took place in the late austral summer from 01 to 23 March 2007. The French research vessel Marion Dufresne sailed from Punta Arenas, Chile (70.85° W, 53.12° S), to Réunion island (55.36° E, 21.06°...
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00044330 2023-05-15T18:21:04+02:00 Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 Fischer, H. Pozzer, A. Schmitt, T. Jöckel, P. Klippel, T. Taraborrelli, D. Lelieveld, J. 2015-06 electronic https://doi.org/10.5194/acp-15-6971-2015 https://noa.gwlb.de/receive/cop_mods_00044330 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00043950/acp-15-6971-2015.pdf https://acp.copernicus.org/articles/15/6971/2015/acp-15-6971-2015.pdf eng eng Copernicus Publications Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-15-6971-2015 https://noa.gwlb.de/receive/cop_mods_00044330 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00043950/acp-15-6971-2015.pdf https://acp.copernicus.org/articles/15/6971/2015/acp-15-6971-2015.pdf uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2015 ftnonlinearchiv https://doi.org/10.5194/acp-15-6971-2015 2022-02-08T22:40:06Z In the OOMPH (Ocean Organics Modifying Particles in both Hemispheres) project a ship measurement cruise took place in the late austral summer from 01 to 23 March 2007. The French research vessel Marion Dufresne sailed from Punta Arenas, Chile (70.85° W, 53.12° S), to Réunion island (55.36° E, 21.06° S) across the South Atlantic Ocean. In situ measurements of hydrogen peroxide, methylhydroperoxide and ozone were performed and are compared to simulations with the atmospheric chemistry global circulation model EMAC (ECHAM/MESSy Atmospheric Chemistry). The model generally reproduces the measured trace gas levels, but it underestimates hydrogen peroxide mixing ratios at high wind speeds, indicating too-strong dry deposition to the ocean surface. An interesting feature during the cruise is a strong increase of hydrogen peroxide, methylhydroperoxide and ozone shortly after midnight off the west coast of Africa due to an increase in the boundary layer height, leading to downward transport from the free troposphere, which is qualitatively reproduced by the model. Article in Journal/Newspaper South Atlantic Ocean Niedersächsisches Online-Archiv NOA Austral Atmospheric Chemistry and Physics 15 12 6971 6980 |
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article Verlagsveröffentlichung Fischer, H. Pozzer, A. Schmitt, T. Jöckel, P. Klippel, T. Taraborrelli, D. Lelieveld, J. Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 |
topic_facet |
article Verlagsveröffentlichung |
description |
In the OOMPH (Ocean Organics Modifying Particles in both Hemispheres) project a ship measurement cruise took place in the late austral summer from 01 to 23 March 2007. The French research vessel Marion Dufresne sailed from Punta Arenas, Chile (70.85° W, 53.12° S), to Réunion island (55.36° E, 21.06° S) across the South Atlantic Ocean. In situ measurements of hydrogen peroxide, methylhydroperoxide and ozone were performed and are compared to simulations with the atmospheric chemistry global circulation model EMAC (ECHAM/MESSy Atmospheric Chemistry). The model generally reproduces the measured trace gas levels, but it underestimates hydrogen peroxide mixing ratios at high wind speeds, indicating too-strong dry deposition to the ocean surface. An interesting feature during the cruise is a strong increase of hydrogen peroxide, methylhydroperoxide and ozone shortly after midnight off the west coast of Africa due to an increase in the boundary layer height, leading to downward transport from the free troposphere, which is qualitatively reproduced by the model. |
format |
Article in Journal/Newspaper |
author |
Fischer, H. Pozzer, A. Schmitt, T. Jöckel, P. Klippel, T. Taraborrelli, D. Lelieveld, J. |
author_facet |
Fischer, H. Pozzer, A. Schmitt, T. Jöckel, P. Klippel, T. Taraborrelli, D. Lelieveld, J. |
author_sort |
Fischer, H. |
title |
Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 |
title_short |
Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 |
title_full |
Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 |
title_fullStr |
Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 |
title_full_unstemmed |
Hydrogen peroxide in the marine boundary layer over the South Atlantic during the OOMPH cruise in March 2007 |
title_sort |
hydrogen peroxide in the marine boundary layer over the south atlantic during the oomph cruise in march 2007 |
publisher |
Copernicus Publications |
publishDate |
2015 |
url |
https://doi.org/10.5194/acp-15-6971-2015 https://noa.gwlb.de/receive/cop_mods_00044330 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00043950/acp-15-6971-2015.pdf https://acp.copernicus.org/articles/15/6971/2015/acp-15-6971-2015.pdf |
geographic |
Austral |
geographic_facet |
Austral |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_relation |
Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-15-6971-2015 https://noa.gwlb.de/receive/cop_mods_00044330 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00043950/acp-15-6971-2015.pdf https://acp.copernicus.org/articles/15/6971/2015/acp-15-6971-2015.pdf |
op_rights |
uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/acp-15-6971-2015 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
15 |
container_issue |
12 |
container_start_page |
6971 |
op_container_end_page |
6980 |
_version_ |
1766200134639550464 |