Dimethylmercury in Coastal Upwelling Waters, Monterey Bay, California
Depth profiles of dimethylmercury (DMHg) concentration were determined at nearshore to offshore sites in Monterey Bay, California. The onset of spring upwelling in the bay was accompanied by increases in DMHg concentrations. Profiles show DMHg increasing gradually with depth in fall and winter from
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| Veröffentlicht in: | Environmental science & technology 2009-03, Vol.43 (5), p.1305-1309 |
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| creator | Conaway, Christopher H Black, Frank J Gault-Ringold, Melanie Pennington, J. Timothy Chavez, Francisco P Flegal, A. Russell |
| description | Depth profiles of dimethylmercury (DMHg) concentration were determined at nearshore to offshore sites in Monterey Bay, California. The onset of spring upwelling in the bay was accompanied by increases in DMHg concentrations. Profiles show DMHg increasing gradually with depth in fall and winter from |
| doi_str_mv | 10.1021/es802705t |
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Timothy ; Chavez, Francisco P ; Flegal, A. Russell</creator><creatorcontrib>Conaway, Christopher H ; Black, Frank J ; Gault-Ringold, Melanie ; Pennington, J. Timothy ; Chavez, Francisco P ; Flegal, A. Russell</creatorcontrib><description>Depth profiles of dimethylmercury (DMHg) concentration were determined at nearshore to offshore sites in Monterey Bay, California. The onset of spring upwelling in the bay was accompanied by increases in DMHg concentrations. Profiles show DMHg increasing gradually with depth in fall and winter from <0.03 pM at the surface to 0.5 pM at 200 m. During the spring, DMHg concentrations increased between 30 and 100 m, first within Monterey Bay, then offshore. This change was accompanied by an increase in DMHg concentrations in the surface water DMHg between fall/winter (<0.03 pM) and spring (0.06−0.29 pM). Microbial activity associated with the remineralization of sinking organic matter produced by the high primary production in the bay may result in the relatively high DMHg in subsurface water in the bay, which when upwelled may facilitate the incorporation of organomercury into biota. As a result, productive coastal upwelling areas may represent an important source of methylated mercury to surface waters, and thus be an important source of mercury to marine ecosystems.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es802705t</identifier><identifier>PMID: 19350895</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Animal, plant and microbial ecology ; Applied ecology ; Applied sciences ; Biological and medical sciences ; California ; Characterization of Natural and Affected Environments ; Chlorophyll ; Chlorophyll - analysis ; Coasts ; Ecosystem ; Ecotoxicology, biological effects of pollution ; Environmental science ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Geography ; Marine ; Marine ecology ; Mercury ; Methylmercury Compounds - analysis ; Nitrates - analysis ; Pollution ; Seasons ; Seawater - chemistry ; Temperature ; Water Movements ; Waterways</subject><ispartof>Environmental science & technology, 2009-03, Vol.43 (5), p.1305-1309</ispartof><rights>Copyright © 2009 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><rights>Copyright American Chemical Society Mar 1, 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a468t-8134bcd34621c4dc45bc7e29dfcb926e61895b420bc98f30ecc76f20886a2a433</citedby><cites>FETCH-LOGICAL-a468t-8134bcd34621c4dc45bc7e29dfcb926e61895b420bc98f30ecc76f20886a2a433</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es802705t$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es802705t$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22378714$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19350895$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Conaway, Christopher H</creatorcontrib><creatorcontrib>Black, Frank J</creatorcontrib><creatorcontrib>Gault-Ringold, Melanie</creatorcontrib><creatorcontrib>Pennington, J. Timothy</creatorcontrib><creatorcontrib>Chavez, Francisco P</creatorcontrib><creatorcontrib>Flegal, A. Russell</creatorcontrib><title>Dimethylmercury in Coastal Upwelling Waters, Monterey Bay, California</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Depth profiles of dimethylmercury (DMHg) concentration were determined at nearshore to offshore sites in Monterey Bay, California. The onset of spring upwelling in the bay was accompanied by increases in DMHg concentrations. Profiles show DMHg increasing gradually with depth in fall and winter from <0.03 pM at the surface to 0.5 pM at 200 m. During the spring, DMHg concentrations increased between 30 and 100 m, first within Monterey Bay, then offshore. This change was accompanied by an increase in DMHg concentrations in the surface water DMHg between fall/winter (<0.03 pM) and spring (0.06−0.29 pM). Microbial activity associated with the remineralization of sinking organic matter produced by the high primary production in the bay may result in the relatively high DMHg in subsurface water in the bay, which when upwelled may facilitate the incorporation of organomercury into biota. As a result, productive coastal upwelling areas may represent an important source of methylated mercury to surface waters, and thus be an important source of mercury to marine ecosystems.</description><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Applied sciences</subject><subject>Biological and medical sciences</subject><subject>California</subject><subject>Characterization of Natural and Affected Environments</subject><subject>Chlorophyll</subject><subject>Chlorophyll - analysis</subject><subject>Coasts</subject><subject>Ecosystem</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Environmental science</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Geography</subject><subject>Marine</subject><subject>Marine ecology</subject><subject>Mercury</subject><subject>Methylmercury Compounds - analysis</subject><subject>Nitrates - analysis</subject><subject>Pollution</subject><subject>Seasons</subject><subject>Seawater - chemistry</subject><subject>Temperature</subject><subject>Water Movements</subject><subject>Waterways</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90VtLwzAUB_AgipvTB7-AFEFFWPXk2vRR67zAxBeHvpU0S7Wjl5m0SL-9kQ0HCj4lD7-c_M85CB1iuMBA8KVxEkgEvN1CQ8wJhFxyvI2GAJiGMRWvA7Tn3AIACAW5iwY4phxkzIdoclNUpn3vy8pY3dk-KOogaZRrVRnMlp-mLIv6LXhRrbFuHDw2tb-YPrhW_ThIVFnkja0LtY92clU6c7A-R2h2O3lO7sPp091DcjUNFROyDSWmLNNzygTBms0145mODInnuc5iIozAPlPGCGQ6ljkFo3UkcgJSCkUUo3SEzlZ1l7b56Ixr06pw2odUtWk6l0accf9cSC9P_5UiwoT7MXl4_Asums7WvovUDwvzGJjw6HyFtG2csyZPl7aolO1TDOn3CtKfFXh7tC7YZZWZb-R65h6crIFyWpW5VbUu3I8jhEYywmzjlHabUH8__ALln5hA</recordid><startdate>20090301</startdate><enddate>20090301</enddate><creator>Conaway, Christopher H</creator><creator>Black, Frank J</creator><creator>Gault-Ringold, Melanie</creator><creator>Pennington, J. Timothy</creator><creator>Chavez, Francisco P</creator><creator>Flegal, A. Russell</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope><scope>7TG</scope><scope>7TN</scope><scope>7TV</scope><scope>7U6</scope><scope>F1W</scope><scope>H97</scope><scope>KL.</scope><scope>L.G</scope></search><sort><creationdate>20090301</creationdate><title>Dimethylmercury in Coastal Upwelling Waters, Monterey Bay, California</title><author>Conaway, Christopher H ; Black, Frank J ; Gault-Ringold, Melanie ; Pennington, J. Timothy ; Chavez, Francisco P ; Flegal, A. Russell</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a468t-8134bcd34621c4dc45bc7e29dfcb926e61895b420bc98f30ecc76f20886a2a433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Applied sciences</topic><topic>Biological and medical sciences</topic><topic>California</topic><topic>Characterization of Natural and Affected Environments</topic><topic>Chlorophyll</topic><topic>Chlorophyll - analysis</topic><topic>Coasts</topic><topic>Ecosystem</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Environmental science</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Geography</topic><topic>Marine</topic><topic>Marine ecology</topic><topic>Mercury</topic><topic>Methylmercury Compounds - analysis</topic><topic>Nitrates - analysis</topic><topic>Pollution</topic><topic>Seasons</topic><topic>Seawater - chemistry</topic><topic>Temperature</topic><topic>Water Movements</topic><topic>Waterways</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Conaway, Christopher H</creatorcontrib><creatorcontrib>Black, Frank J</creatorcontrib><creatorcontrib>Gault-Ringold, Melanie</creatorcontrib><creatorcontrib>Pennington, J. Timothy</creatorcontrib><creatorcontrib>Chavez, Francisco P</creatorcontrib><creatorcontrib>Flegal, A. 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Timothy</au><au>Chavez, Francisco P</au><au>Flegal, A. Russell</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dimethylmercury in Coastal Upwelling Waters, Monterey Bay, California</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2009-03-01</date><risdate>2009</risdate><volume>43</volume><issue>5</issue><spage>1305</spage><epage>1309</epage><pages>1305-1309</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Depth profiles of dimethylmercury (DMHg) concentration were determined at nearshore to offshore sites in Monterey Bay, California. The onset of spring upwelling in the bay was accompanied by increases in DMHg concentrations. Profiles show DMHg increasing gradually with depth in fall and winter from <0.03 pM at the surface to 0.5 pM at 200 m. During the spring, DMHg concentrations increased between 30 and 100 m, first within Monterey Bay, then offshore. This change was accompanied by an increase in DMHg concentrations in the surface water DMHg between fall/winter (<0.03 pM) and spring (0.06−0.29 pM). Microbial activity associated with the remineralization of sinking organic matter produced by the high primary production in the bay may result in the relatively high DMHg in subsurface water in the bay, which when upwelled may facilitate the incorporation of organomercury into biota. As a result, productive coastal upwelling areas may represent an important source of methylated mercury to surface waters, and thus be an important source of mercury to marine ecosystems.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>19350895</pmid><doi>10.1021/es802705t</doi><tpages>5</tpages></addata></record> |
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| subjects | Animal, plant and microbial ecology Applied ecology Applied sciences Biological and medical sciences California Characterization of Natural and Affected Environments Chlorophyll Chlorophyll - analysis Coasts Ecosystem Ecotoxicology, biological effects of pollution Environmental science Exact sciences and technology Fundamental and applied biological sciences. Psychology Geography Marine Marine ecology Mercury Methylmercury Compounds - analysis Nitrates - analysis Pollution Seasons Seawater - chemistry Temperature Water Movements Waterways |
| title | Dimethylmercury in Coastal Upwelling Waters, Monterey Bay, California |
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