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Depletion of H2O2 in a Greenland ice core: implications for oxidation of volcanic SO2
MAJOR volcanic eruptions inject large quantities of sulphur compounds into the atmosphere 1 . A principal component is sulphur dioxide; subsequent oxidation of SO 2 in the atmosphere to sulphuric acid aerosol may lead to climate perturbations 2 . Here we present evidence to suggest that SO 2 oxidati...
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| Published in: | Nature (London) 1990-07, Vol.346 (6279), p.45-48 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c348t-25ab95b928cbec67e32cb08d86142cb44f4c1c1f38965913432601b92a8b9fe13 |
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| cites | cdi_FETCH-LOGICAL-c348t-25ab95b928cbec67e32cb08d86142cb44f4c1c1f38965913432601b92a8b9fe13 |
| container_end_page | 48 |
| container_issue | 6279 |
| container_start_page | 45 |
| container_title | Nature (London) |
| container_volume | 346 |
| creator | Laj, Paolo Drummey, Scott M. Spencer, Mary Jo Palais, Julie M. Sigurdsson, Haraldur |
| description | MAJOR volcanic eruptions inject large quantities of sulphur compounds into the atmosphere
1
. A principal component is sulphur dioxide; subsequent oxidation of SO
2
in the atmosphere to sulphuric acid aerosol may lead to climate perturbations
2
. Here we present evidence to suggest that SO
2
oxidation may occur at high latitudes by reaction with H
2
O
2
. Variations in sulphate and H
2
O
2
concentrations in four sections of a Greenland ice core (corresponding to four volcanic events) show that high sulphate concentrations, from volcanic fallout, are accompanied by depletion of H
2
O
2
. This suggests that some of the volcanic sulphur was still in the form of SO
2
when it reached Greenland, and was then oxidized by H
2
O
2
in Greenland precipitation. As SO
2
oxidation in the stratosphere is very slow, volcanic events that inject SO
2
into the stratosphere could produce large depletions of distant H
2
O
2
reservoirs when the material is later reinjected into the troposphere. |
| doi_str_mv | 10.1038/346045a0 |
| format | article |
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1
. A principal component is sulphur dioxide; subsequent oxidation of SO
2
in the atmosphere to sulphuric acid aerosol may lead to climate perturbations
2
. Here we present evidence to suggest that SO
2
oxidation may occur at high latitudes by reaction with H
2
O
2
. Variations in sulphate and H
2
O
2
concentrations in four sections of a Greenland ice core (corresponding to four volcanic events) show that high sulphate concentrations, from volcanic fallout, are accompanied by depletion of H
2
O
2
. This suggests that some of the volcanic sulphur was still in the form of SO
2
when it reached Greenland, and was then oxidized by H
2
O
2
in Greenland precipitation. As SO
2
oxidation in the stratosphere is very slow, volcanic events that inject SO
2
into the stratosphere could produce large depletions of distant H
2
O
2
reservoirs when the material is later reinjected into the troposphere.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/346045a0</identifier><identifier>CODEN: NATUAS</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Acids ; Atmosphere ; Chromatography ; Climate change ; Depletion ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Fallout ; Humanities and Social Sciences ; Hydrogen peroxide ; Ice ; Ice cores ; letter ; Meteorology ; multidisciplinary ; Oxidation ; Precipitation ; Science ; Science (multidisciplinary) ; Seasonal variations ; Stratosphere ; Sulfates ; Sulfur ; Sulfur compounds ; Sulfur dioxide ; Sulfuric acid ; Troposphere ; Volcanic eruptions</subject><ispartof>Nature (London), 1990-07, Vol.346 (6279), p.45-48</ispartof><rights>Springer Nature Limited 1990</rights><rights>1991 INIST-CNRS</rights><rights>Copyright Nature Publishing Group Jul 5, 1990</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c348t-25ab95b928cbec67e32cb08d86142cb44f4c1c1f38965913432601b92a8b9fe13</citedby><cites>FETCH-LOGICAL-c348t-25ab95b928cbec67e32cb08d86142cb44f4c1c1f38965913432601b92a8b9fe13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19383224$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Laj, Paolo</creatorcontrib><creatorcontrib>Drummey, Scott M.</creatorcontrib><creatorcontrib>Spencer, Mary Jo</creatorcontrib><creatorcontrib>Palais, Julie M.</creatorcontrib><creatorcontrib>Sigurdsson, Haraldur</creatorcontrib><title>Depletion of H2O2 in a Greenland ice core: implications for oxidation of volcanic SO2</title><title>Nature (London)</title><addtitle>Nature</addtitle><description>MAJOR volcanic eruptions inject large quantities of sulphur compounds into the atmosphere
1
. A principal component is sulphur dioxide; subsequent oxidation of SO
2
in the atmosphere to sulphuric acid aerosol may lead to climate perturbations
2
. Here we present evidence to suggest that SO
2
oxidation may occur at high latitudes by reaction with H
2
O
2
. Variations in sulphate and H
2
O
2
concentrations in four sections of a Greenland ice core (corresponding to four volcanic events) show that high sulphate concentrations, from volcanic fallout, are accompanied by depletion of H
2
O
2
. This suggests that some of the volcanic sulphur was still in the form of SO
2
when it reached Greenland, and was then oxidized by H
2
O
2
in Greenland precipitation. As SO
2
oxidation in the stratosphere is very slow, volcanic events that inject SO
2
into the stratosphere could produce large depletions of distant H
2
O
2
reservoirs when the material is later reinjected into the troposphere.</description><subject>Acids</subject><subject>Atmosphere</subject><subject>Chromatography</subject><subject>Climate change</subject><subject>Depletion</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Fallout</subject><subject>Humanities and Social Sciences</subject><subject>Hydrogen peroxide</subject><subject>Ice</subject><subject>Ice cores</subject><subject>letter</subject><subject>Meteorology</subject><subject>multidisciplinary</subject><subject>Oxidation</subject><subject>Precipitation</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Seasonal variations</subject><subject>Stratosphere</subject><subject>Sulfates</subject><subject>Sulfur</subject><subject>Sulfur compounds</subject><subject>Sulfur dioxide</subject><subject>Sulfuric 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Abstracts</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Laj, Paolo</au><au>Drummey, Scott M.</au><au>Spencer, Mary Jo</au><au>Palais, Julie M.</au><au>Sigurdsson, Haraldur</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Depletion of H2O2 in a Greenland ice core: implications for oxidation of volcanic SO2</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><date>1990-07-05</date><risdate>1990</risdate><volume>346</volume><issue>6279</issue><spage>45</spage><epage>48</epage><pages>45-48</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><coden>NATUAS</coden><abstract>MAJOR volcanic eruptions inject large quantities of sulphur compounds into the atmosphere
1
. A principal component is sulphur dioxide; subsequent oxidation of SO
2
in the atmosphere to sulphuric acid aerosol may lead to climate perturbations
2
. Here we present evidence to suggest that SO
2
oxidation may occur at high latitudes by reaction with H
2
O
2
. Variations in sulphate and H
2
O
2
concentrations in four sections of a Greenland ice core (corresponding to four volcanic events) show that high sulphate concentrations, from volcanic fallout, are accompanied by depletion of H
2
O
2
. This suggests that some of the volcanic sulphur was still in the form of SO
2
when it reached Greenland, and was then oxidized by H
2
O
2
in Greenland precipitation. As SO
2
oxidation in the stratosphere is very slow, volcanic events that inject SO
2
into the stratosphere could produce large depletions of distant H
2
O
2
reservoirs when the material is later reinjected into the troposphere.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><doi>10.1038/346045a0</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0028-0836 |
| ispartof | Nature (London), 1990-07, Vol.346 (6279), p.45-48 |
| issn | 0028-0836 1476-4687 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25630449 |
| source | Nature Journals Online |
| subjects | Acids Atmosphere Chromatography Climate change Depletion Earth, ocean, space Exact sciences and technology External geophysics Fallout Humanities and Social Sciences Hydrogen peroxide Ice Ice cores letter Meteorology multidisciplinary Oxidation Precipitation Science Science (multidisciplinary) Seasonal variations Stratosphere Sulfates Sulfur Sulfur compounds Sulfur dioxide Sulfuric acid Troposphere Volcanic eruptions |
| title | Depletion of H2O2 in a Greenland ice core: implications for oxidation of volcanic SO2 |
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