Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data
Bromoform (CHBr3) is one important precursor of atmospheric reactive bromine species that are involved in ozone depletion in the troposphere and stratosphere. In the open ocean bromoform production is linked to phytoplankton that contains the enzyme bromoperoxidase. Coastal sources of bromoform are...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.848557 2024-09-15T18:23:56+00:00 Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data Stemmler, Irene Hense, Inga Quack, Birgit 2015 text/tab-separated-values, 28 data points https://doi.pangaea.de/10.1594/PANGAEA.848557 https://doi.org/10.1594/PANGAEA.848557 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.848557 https://doi.org/10.1594/PANGAEA.848557 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess Max-Planck-Institut für Meteorologie, Hamburg Supplement to: Stemmler, Irene; Hense, Inga; Quack, Birgit (2015): Marine sources of bromoform in the global open ocean – global patterns and emissions. Biogeosciences, 12(6), 1967-1981, https://doi.org/10.5194/bg-12-1967-2015 File content File name File size SOPRAN Surface Ocean Processes in the Anthropocene Uniform resource locator/link to file dataset 2015 ftpangaea https://doi.org/10.1594/PANGAEA.84855710.5194/bg-12-1967-2015 2024-07-24T02:31:33Z Bromoform (CHBr3) is one important precursor of atmospheric reactive bromine species that are involved in ozone depletion in the troposphere and stratosphere. In the open ocean bromoform production is linked to phytoplankton that contains the enzyme bromoperoxidase. Coastal sources of bromoform are higher than open ocean sources. However, open ocean emissions are important because the transfer of tracers into higher altitude in the air, i.e. into the ozone layer, strongly depends on the location of emissions. For example, emissions in the tropics are more rapidly transported into the upper atmosphere than emissions from higher latitudes. Global spatio-temporal features of bromoform emissions are poorly constrained. Here, a global three-dimensional ocean biogeochemistry model (MPIOM-HAMOCC) is used to simulate bromoform cycling in the ocean and emissions into the atmosphere using recently published data of global atmospheric concentrations (Ziska et al., 2013) as upper boundary conditions. Our simulated surface concentrations of CHBr3 match the observations well. Simulated global annual emissions based on monthly mean model output are lower than previous estimates, including the estimate by Ziska et al. (2013), because the gas exchange reverses when less bromoform is produced in non-blooming seasons. This is the case for higher latitudes, i.e. the polar regions and northern North Atlantic. Further model experiments show that future model studies may need to distinguish different bromoform-producing phytoplankton species and reveal that the transport of CHBr3 from the coast considerably alters open ocean bromoform concentrations, in particular in the northern sub-polar and polar regions. Dataset North Atlantic PANGAEA - Data Publisher for Earth & Environmental Science |
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Open Polar |
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PANGAEA - Data Publisher for Earth & Environmental Science |
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ftpangaea |
language |
English |
topic |
File content File name File size SOPRAN Surface Ocean Processes in the Anthropocene Uniform resource locator/link to file |
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File content File name File size SOPRAN Surface Ocean Processes in the Anthropocene Uniform resource locator/link to file Stemmler, Irene Hense, Inga Quack, Birgit Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data |
topic_facet |
File content File name File size SOPRAN Surface Ocean Processes in the Anthropocene Uniform resource locator/link to file |
description |
Bromoform (CHBr3) is one important precursor of atmospheric reactive bromine species that are involved in ozone depletion in the troposphere and stratosphere. In the open ocean bromoform production is linked to phytoplankton that contains the enzyme bromoperoxidase. Coastal sources of bromoform are higher than open ocean sources. However, open ocean emissions are important because the transfer of tracers into higher altitude in the air, i.e. into the ozone layer, strongly depends on the location of emissions. For example, emissions in the tropics are more rapidly transported into the upper atmosphere than emissions from higher latitudes. Global spatio-temporal features of bromoform emissions are poorly constrained. Here, a global three-dimensional ocean biogeochemistry model (MPIOM-HAMOCC) is used to simulate bromoform cycling in the ocean and emissions into the atmosphere using recently published data of global atmospheric concentrations (Ziska et al., 2013) as upper boundary conditions. Our simulated surface concentrations of CHBr3 match the observations well. Simulated global annual emissions based on monthly mean model output are lower than previous estimates, including the estimate by Ziska et al. (2013), because the gas exchange reverses when less bromoform is produced in non-blooming seasons. This is the case for higher latitudes, i.e. the polar regions and northern North Atlantic. Further model experiments show that future model studies may need to distinguish different bromoform-producing phytoplankton species and reveal that the transport of CHBr3 from the coast considerably alters open ocean bromoform concentrations, in particular in the northern sub-polar and polar regions. |
format |
Dataset |
author |
Stemmler, Irene Hense, Inga Quack, Birgit |
author_facet |
Stemmler, Irene Hense, Inga Quack, Birgit |
author_sort |
Stemmler, Irene |
title |
Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data |
title_short |
Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data |
title_full |
Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data |
title_fullStr |
Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data |
title_full_unstemmed |
Simulated Bromoform emission and concentration using the ocean biogeochemistry model MPIOM/HAMOCC forced by 6-hourly NCEP data |
title_sort |
simulated bromoform emission and concentration using the ocean biogeochemistry model mpiom/hamocc forced by 6-hourly ncep data |
publisher |
PANGAEA |
publishDate |
2015 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.848557 https://doi.org/10.1594/PANGAEA.848557 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Max-Planck-Institut für Meteorologie, Hamburg Supplement to: Stemmler, Irene; Hense, Inga; Quack, Birgit (2015): Marine sources of bromoform in the global open ocean – global patterns and emissions. Biogeosciences, 12(6), 1967-1981, https://doi.org/10.5194/bg-12-1967-2015 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.848557 https://doi.org/10.1594/PANGAEA.848557 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.84855710.5194/bg-12-1967-2015 |
_version_ |
1810464213866381312 |