Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D)
The concentration of methanesulfonic acid (MSA) was determined in a shallow south central Greenland ice core(20D). This study provides a high-resolution record of the DMS-derived biogenic sulfur in Greenland precipitation over the past 200 years. The mean concentration of MSA is 3.30 ppb(σ = 2.38 p...
Published in: | Journal of Geophysical Research: Atmospheres |
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DigitalCommons@UMaine
1994
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ftmaineuniv:oai:digitalcommons.library.umaine.edu:ers_facpub-1243 2024-09-15T18:09:00+00:00 Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) Whung, P. Y. Saltzman, E. S. Spencer, M. J. Mayewski, Paul Andrew Gundestrup, N. 1994-01-20T08:00:00Z application/pdf https://digitalcommons.library.umaine.edu/ers_facpub/238 https://doi.org/10.1029/93JD02732 https://digitalcommons.library.umaine.edu/context/ers_facpub/article/1243/viewcontent/Two_hundred_year_record_of_biogenic_sulfur_in_a_south_Greenland_ice_core__20D_.pdf unknown DigitalCommons@UMaine https://digitalcommons.library.umaine.edu/ers_facpub/238 doi:10.1029/93JD02732 https://digitalcommons.library.umaine.edu/context/ers_facpub/article/1243/viewcontent/Two_hundred_year_record_of_biogenic_sulfur_in_a_south_Greenland_ice_core__20D_.pdf This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. In addition, no permission is required from the rights-holder(s) for educational uses. For other uses, you need to obtain permission from the rights-holder(s). Earth Science Faculty Scholarship Glaciogeology Geochemistry Glaciochemistry Glaciology Cryology Climate Change Atmospheric Sciences Climate Earth Sciences Hydrology text 1994 ftmaineuniv https://doi.org/10.1029/93JD02732 2024-07-24T05:38:40Z The concentration of methanesulfonic acid (MSA) was determined in a shallow south central Greenland ice core(20D). This study provides a high-resolution record of the DMS-derived biogenic sulfur in Greenland precipitation over the past 200 years. The mean concentration of MSA is 3.30 ppb(σ = 2.38 ppb,n = 1134). The general trend of MSA is an increase from 3.01 to 4.10 ppb between 1767 and 1900, followed by a steady decrease to 2.34 ppb at the present time. This trend is in marked contrast to that of non-sea-salt sulfate (nss SO42-), which increases dramatically after 1900 due to the input of anthropogenic sulfur. The MSA fraction ((MSA/(MSA+ nss SO42-))* 100) ranges from a mean of 15% in preindustrial ice to less than 5% in recent ice. These MSA fraction suggest that approximately 5 to 40% of the sulfur in recent Greenland ice is of biological origin. It is suggested that there is a significant low-latitude component to the biogenic sulfur in the core and that variations in the MSA fraction reflect changes in the relative strengths of low- and high-latitude inputs. The data shown o evidence for a strong dependence of dimethyl sulfide(DMS) emissions on sea surface temperature during the last century. There is also no indication that the yield of MSA from DMS oxidation has been altered by increased NOx levels over the North Atlantic during this period. Text Greenland Greenland ice core ice core North Atlantic The University of Maine: DigitalCommons@UMaine Journal of Geophysical Research: Atmospheres 99 D1 1147 1156 |
institution |
Open Polar |
collection |
The University of Maine: DigitalCommons@UMaine |
op_collection_id |
ftmaineuniv |
language |
unknown |
topic |
Glaciogeology Geochemistry Glaciochemistry Glaciology Cryology Climate Change Atmospheric Sciences Climate Earth Sciences Hydrology |
spellingShingle |
Glaciogeology Geochemistry Glaciochemistry Glaciology Cryology Climate Change Atmospheric Sciences Climate Earth Sciences Hydrology Whung, P. Y. Saltzman, E. S. Spencer, M. J. Mayewski, Paul Andrew Gundestrup, N. Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) |
topic_facet |
Glaciogeology Geochemistry Glaciochemistry Glaciology Cryology Climate Change Atmospheric Sciences Climate Earth Sciences Hydrology |
description |
The concentration of methanesulfonic acid (MSA) was determined in a shallow south central Greenland ice core(20D). This study provides a high-resolution record of the DMS-derived biogenic sulfur in Greenland precipitation over the past 200 years. The mean concentration of MSA is 3.30 ppb(σ = 2.38 ppb,n = 1134). The general trend of MSA is an increase from 3.01 to 4.10 ppb between 1767 and 1900, followed by a steady decrease to 2.34 ppb at the present time. This trend is in marked contrast to that of non-sea-salt sulfate (nss SO42-), which increases dramatically after 1900 due to the input of anthropogenic sulfur. The MSA fraction ((MSA/(MSA+ nss SO42-))* 100) ranges from a mean of 15% in preindustrial ice to less than 5% in recent ice. These MSA fraction suggest that approximately 5 to 40% of the sulfur in recent Greenland ice is of biological origin. It is suggested that there is a significant low-latitude component to the biogenic sulfur in the core and that variations in the MSA fraction reflect changes in the relative strengths of low- and high-latitude inputs. The data shown o evidence for a strong dependence of dimethyl sulfide(DMS) emissions on sea surface temperature during the last century. There is also no indication that the yield of MSA from DMS oxidation has been altered by increased NOx levels over the North Atlantic during this period. |
format |
Text |
author |
Whung, P. Y. Saltzman, E. S. Spencer, M. J. Mayewski, Paul Andrew Gundestrup, N. |
author_facet |
Whung, P. Y. Saltzman, E. S. Spencer, M. J. Mayewski, Paul Andrew Gundestrup, N. |
author_sort |
Whung, P. Y. |
title |
Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) |
title_short |
Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) |
title_full |
Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) |
title_fullStr |
Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) |
title_full_unstemmed |
Two-hundred-year Record of Biogenic Sulfur in a South Greenland Ice Core (20D) |
title_sort |
two-hundred-year record of biogenic sulfur in a south greenland ice core (20d) |
publisher |
DigitalCommons@UMaine |
publishDate |
1994 |
url |
https://digitalcommons.library.umaine.edu/ers_facpub/238 https://doi.org/10.1029/93JD02732 https://digitalcommons.library.umaine.edu/context/ers_facpub/article/1243/viewcontent/Two_hundred_year_record_of_biogenic_sulfur_in_a_south_Greenland_ice_core__20D_.pdf |
genre |
Greenland Greenland ice core ice core North Atlantic |
genre_facet |
Greenland Greenland ice core ice core North Atlantic |
op_source |
Earth Science Faculty Scholarship |
op_relation |
https://digitalcommons.library.umaine.edu/ers_facpub/238 doi:10.1029/93JD02732 https://digitalcommons.library.umaine.edu/context/ers_facpub/article/1243/viewcontent/Two_hundred_year_record_of_biogenic_sulfur_in_a_south_Greenland_ice_core__20D_.pdf |
op_rights |
This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. In addition, no permission is required from the rights-holder(s) for educational uses. For other uses, you need to obtain permission from the rights-holder(s). |
op_doi |
https://doi.org/10.1029/93JD02732 |
container_title |
Journal of Geophysical Research: Atmospheres |
container_volume |
99 |
container_issue |
D1 |
container_start_page |
1147 |
op_container_end_page |
1156 |
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1810446373349228544 |