Distribution and size fractionation of elemental sulfur in aqueous environments: The Chesapeake Bay and Mid-Atlantic Ridge
Elemental sulfur is an important intermediate of sulfide oxidation and may be produced via abiotic and biotic pathways. In this study the concentration and size fractionation of elemental sulfur were measured in two different sulfidic marine environments: the Chesapeake Bay and buoyant hydrothermal...
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| Veröffentlicht in: | Geochimica et cosmochimica acta 2014-10, Vol.142, p.334-348 |
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| container_title | Geochimica et cosmochimica acta |
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| creator | Findlay, Alyssa J. Gartman, Amy MacDonald, Daniel J. Hanson, Thomas E. Shaw, Timothy J. Luther, George W. |
| description | Elemental sulfur is an important intermediate of sulfide oxidation and may be produced via abiotic and biotic pathways. In this study the concentration and size fractionation of elemental sulfur were measured in two different sulfidic marine environments: the Chesapeake Bay and buoyant hydrothermal vent plumes along the Mid-Atlantic Ridge. Nanoparticulate sulfur ( |
| doi_str_mv | 10.1016/j.gca.2014.07.032 |
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In this study the concentration and size fractionation of elemental sulfur were measured in two different sulfidic marine environments: the Chesapeake Bay and buoyant hydrothermal vent plumes along the Mid-Atlantic Ridge. Nanoparticulate sulfur (<0.2 mu m) was found to comprise up to 90% of the total elemental sulfur in anoxic deep waters of the Chesapeake Bay. These data were compared with previous studies of elemental sulfur, and represent one of the few reports of nanoparticulate elemental sulfur in the environment. Additionally, a strain of phototrophic sulfide oxidizing bacteria isolated from the Chesapeake Bay was shown to produce elemental sulfur as a product of sulfide oxidation. Elemental sulfur concentrations are also presented from buoyant hydrothermal vent plumes located along the Mid-Atlantic Ridge. 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In the Mid-Atlantic Ridge plume, S super(0) concentrations up to 33 mu M were measured in the first meter of rising plumes at three different vent sites, and nanoparticulate S super(0) was up to 44% of total elemental sulfur present.</description><subject>Bacteria</subject><subject>Nanostructure</subject><subject>Oxidation</subject><subject>Plumes</subject><subject>Ridges</subject><subject>Sulfides</subject><subject>Sulfur</subject><subject>Vents</subject><issn>0016-7037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNotkMtOwzAQRb0AiVL4AHZeskkYx3HcsivlKRUhobK2xo7TuqRJsROk9utxWlYj3Tm6ujqE3DBIGbDibpOuDKYZsDwFmQLPzsgI4iORwOUFuQxhAwBSCBiRw6MLnXe671zbUGxKGtzB0sqjGRI8xm1FbW23tumwpqGvq95TF-mf3rZ9oLb5db5thn-4p8u1pfO1Dbiz-G3pA-6Pte-uTGZdjU3nDP105cpekfMK62Cv_--YfD0_LeevyeLj5W0-WyTIC9klOteZNlrDpNSF4Ezr6dSafIrApEDJC81NLiJTAhNGsmqCUE4yYUrDpQDkY3J76t35Ni4Ondq6YGwdtwzzFSsEyzmTUx5RdkKNb0PwtlI777bo94qBGtyqjYpu1eBWgVTRLf8D6eFx7w</recordid><startdate>201410</startdate><enddate>201410</enddate><creator>Findlay, Alyssa J.</creator><creator>Gartman, Amy</creator><creator>MacDonald, Daniel J.</creator><creator>Hanson, Thomas E.</creator><creator>Shaw, Timothy J.</creator><creator>Luther, George W.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>201410</creationdate><title>Distribution and size fractionation of elemental sulfur in aqueous environments: The Chesapeake Bay and Mid-Atlantic Ridge</title><author>Findlay, Alyssa J. ; Gartman, Amy ; MacDonald, Daniel J. ; Hanson, Thomas E. ; Shaw, Timothy J. ; Luther, George W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a367t-b4b2bcbb08db6531bb99ec49a0175a736b3c45b2bd015c71f8a0d825cdc3750a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Bacteria</topic><topic>Nanostructure</topic><topic>Oxidation</topic><topic>Plumes</topic><topic>Ridges</topic><topic>Sulfides</topic><topic>Sulfur</topic><topic>Vents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Findlay, Alyssa J.</creatorcontrib><creatorcontrib>Gartman, Amy</creatorcontrib><creatorcontrib>MacDonald, Daniel J.</creatorcontrib><creatorcontrib>Hanson, Thomas E.</creatorcontrib><creatorcontrib>Shaw, Timothy J.</creatorcontrib><creatorcontrib>Luther, George W.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Geochimica et cosmochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Findlay, Alyssa J.</au><au>Gartman, Amy</au><au>MacDonald, Daniel J.</au><au>Hanson, Thomas E.</au><au>Shaw, Timothy J.</au><au>Luther, George W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Distribution and size fractionation of elemental sulfur in aqueous environments: The Chesapeake Bay and Mid-Atlantic Ridge</atitle><jtitle>Geochimica et cosmochimica acta</jtitle><date>2014-10</date><risdate>2014</risdate><volume>142</volume><spage>334</spage><epage>348</epage><pages>334-348</pages><issn>0016-7037</issn><abstract>Elemental sulfur is an important intermediate of sulfide oxidation and may be produced via abiotic and biotic pathways. In this study the concentration and size fractionation of elemental sulfur were measured in two different sulfidic marine environments: the Chesapeake Bay and buoyant hydrothermal vent plumes along the Mid-Atlantic Ridge. Nanoparticulate sulfur (<0.2 mu m) was found to comprise up to 90% of the total elemental sulfur in anoxic deep waters of the Chesapeake Bay. These data were compared with previous studies of elemental sulfur, and represent one of the few reports of nanoparticulate elemental sulfur in the environment. Additionally, a strain of phototrophic sulfide oxidizing bacteria isolated from the Chesapeake Bay was shown to produce elemental sulfur as a product of sulfide oxidation. Elemental sulfur concentrations are also presented from buoyant hydrothermal vent plumes located along the Mid-Atlantic Ridge. In the Mid-Atlantic Ridge plume, S super(0) concentrations up to 33 mu M were measured in the first meter of rising plumes at three different vent sites, and nanoparticulate S super(0) was up to 44% of total elemental sulfur present.</abstract><doi>10.1016/j.gca.2014.07.032</doi><tpages>15</tpages></addata></record> |
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| subjects | Bacteria Nanostructure Oxidation Plumes Ridges Sulfides Sulfur Vents |
| title | Distribution and size fractionation of elemental sulfur in aqueous environments: The Chesapeake Bay and Mid-Atlantic Ridge |
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