Odd Isotope Deficits in Atmospheric Hg Measured in Lichens
Redox reactions govern mercury (Hg) concentrations in the atmosphere because fluxes (emissions and deposition), and residence times, are largely controlled by Hg speciation. Recent work on aquatic Hg photoreduction suggested that this reaction produces non-mass dependent fractionation (NMF) and that...
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| Veröffentlicht in: | Environmental science & technology 2009-08, Vol.43 (15), p.5660-5664 |
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| creator | Carignan, Jean Estrade, Nicolas Sonke, Jeroen E Donard, Olivier F.X |
| description | Redox reactions govern mercury (Hg) concentrations in the atmosphere because fluxes (emissions and deposition), and residence times, are largely controlled by Hg speciation. Recent work on aquatic Hg photoreduction suggested that this reaction produces non-mass dependent fractionation (NMF) and that residual aquatic Hg(II) is characterized by positive Δ199Hg and Δ201Hg anomalies. Here, we show that atmospheric Hg accumulated in lichens is characterized by NMF with negative Δ199Hg and Δ201Hg values (−0.3 to −1‰), making the atmosphere and the aquatic environment complementary reservoirs regarding photoreduction and NMF of Hg isotopes. Because few other reactions than aquatic Hg photoreduction induce NMF, photochemical reduction appears to be a key pathway in the global Hg cycle. Based on a NMF isotope mass balance, direct anthropogenic emissions may account for only 50 ± 10% of atmospheric Hg deposition in an urban area of NE France. Furthermore, isotopic anomalies found in several polluted soils and sediments strongly suggests that an important part of Hg in these samples was affected by photoreactions and has cycled through the atmosphere before being stored in the geological environment. Thus, mercury isotopic anomalies measured in environmental samples may be used to trace and quantify the contribution of source emissions. |
| doi_str_mv | 10.1021/es900578v |
| format | Article |
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Recent work on aquatic Hg photoreduction suggested that this reaction produces non-mass dependent fractionation (NMF) and that residual aquatic Hg(II) is characterized by positive Δ199Hg and Δ201Hg anomalies. Here, we show that atmospheric Hg accumulated in lichens is characterized by NMF with negative Δ199Hg and Δ201Hg values (−0.3 to −1‰), making the atmosphere and the aquatic environment complementary reservoirs regarding photoreduction and NMF of Hg isotopes. Because few other reactions than aquatic Hg photoreduction induce NMF, photochemical reduction appears to be a key pathway in the global Hg cycle. Based on a NMF isotope mass balance, direct anthropogenic emissions may account for only 50 ± 10% of atmospheric Hg deposition in an urban area of NE France. Furthermore, isotopic anomalies found in several polluted soils and sediments strongly suggests that an important part of Hg in these samples was affected by photoreactions and has cycled through the atmosphere before being stored in the geological environment. Thus, mercury isotopic anomalies measured in environmental samples may be used to trace and quantify the contribution of source emissions.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es900578v</identifier><identifier>PMID: 19731659</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Air Pollutants - analysis ; Analytical chemistry ; Animal, plant and microbial ecology ; Applied ecology ; Applied sciences ; Atmosphere ; Atmospheric chemistry ; Biological and medical sciences ; Characterization of Natural and Affected Environments ; Chemical Sciences ; Cities ; Ecotoxicology, biological effects of pollution ; Emissions ; Environment ; Environmental Monitoring - methods ; Environmental Pollutants ; Exact sciences and technology ; France ; Fundamental and applied biological sciences. Psychology ; Isotopes ; Lichens ; Lichens - drug effects ; Lichens - metabolism ; Mercury ; Mercury - analysis ; Mercury Isotopes ; Pollution ; Sedimentation & deposition</subject><ispartof>Environmental science & technology, 2009-08, Vol.43 (15), p.5660-5664</ispartof><rights>Copyright © 2009 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><rights>Copyright American Chemical Society Aug 1, 2009</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a436t-6e2227022caca93b59e2d14c0441e2c1a2e116886322c6ed0a454b04545acf9c3</citedby><cites>FETCH-LOGICAL-a436t-6e2227022caca93b59e2d14c0441e2c1a2e116886322c6ed0a454b04545acf9c3</cites><orcidid>0000-0003-1491-827X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es900578v$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es900578v$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>230,314,776,780,881,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22103456$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19731659$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-01590314$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Carignan, Jean</creatorcontrib><creatorcontrib>Estrade, Nicolas</creatorcontrib><creatorcontrib>Sonke, Jeroen E</creatorcontrib><creatorcontrib>Donard, Olivier F.X</creatorcontrib><title>Odd Isotope Deficits in Atmospheric Hg Measured in Lichens</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Redox reactions govern mercury (Hg) concentrations in the atmosphere because fluxes (emissions and deposition), and residence times, are largely controlled by Hg speciation. Recent work on aquatic Hg photoreduction suggested that this reaction produces non-mass dependent fractionation (NMF) and that residual aquatic Hg(II) is characterized by positive Δ199Hg and Δ201Hg anomalies. Here, we show that atmospheric Hg accumulated in lichens is characterized by NMF with negative Δ199Hg and Δ201Hg values (−0.3 to −1‰), making the atmosphere and the aquatic environment complementary reservoirs regarding photoreduction and NMF of Hg isotopes. Because few other reactions than aquatic Hg photoreduction induce NMF, photochemical reduction appears to be a key pathway in the global Hg cycle. Based on a NMF isotope mass balance, direct anthropogenic emissions may account for only 50 ± 10% of atmospheric Hg deposition in an urban area of NE France. Furthermore, isotopic anomalies found in several polluted soils and sediments strongly suggests that an important part of Hg in these samples was affected by photoreactions and has cycled through the atmosphere before being stored in the geological environment. Thus, mercury isotopic anomalies measured in environmental samples may be used to trace and quantify the contribution of source emissions.</description><subject>Air Pollutants - analysis</subject><subject>Analytical chemistry</subject><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Applied sciences</subject><subject>Atmosphere</subject><subject>Atmospheric chemistry</subject><subject>Biological and medical sciences</subject><subject>Characterization of Natural and Affected Environments</subject><subject>Chemical Sciences</subject><subject>Cities</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Emissions</subject><subject>Environment</subject><subject>Environmental Monitoring - methods</subject><subject>Environmental Pollutants</subject><subject>Exact sciences and technology</subject><subject>France</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Isotopes</subject><subject>Lichens</subject><subject>Lichens - drug effects</subject><subject>Lichens - metabolism</subject><subject>Mercury</subject><subject>Mercury - analysis</subject><subject>Mercury Isotopes</subject><subject>Pollution</subject><subject>Sedimentation & deposition</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>eNpl0F2L1DAUBuAgiju7euEfkCLI4kX1nHy19W5YP2ZhZG8UvAuZ9NTJ0mnHnHbBf2-GHWZAbxJIHs6bvEK8QniPIPEDcQNgqvrhiVigkVCa2uBTsQBAVTbK_rwQl8z3ACAV1M_FBTaVQmuahfh417bFLY_TuKfiE3UxxImLOBTLaTfyfksphmL1q_hGnudE7eFqHcOWBn4hnnW-Z3p53K_Ejy-fv9-syvXd19ub5br0WtmptCSlrEDK4INv1MY0JFvUAbRGkgG9JERb11ZlYqkFr43eQF6MD10T1JV49zh363u3T3Hn0x83-uhWy7U7nAGaBhTqB8z2-tHu0_h7Jp7cLnKgvvcDjTO7Kk_VSimd5Zt_5P04pyF_xOWSsLaoq3N0SCNzou6Uj-AO1btT9dm-Pg6cNztqz_LYdQZvj8Bz8H2X_BAin5yUCEobe3Y-8PlR_wf-BYkAk0E</recordid><startdate>20090801</startdate><enddate>20090801</enddate><creator>Carignan, Jean</creator><creator>Estrade, Nicolas</creator><creator>Sonke, Jeroen E</creator><creator>Donard, Olivier F.X</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>7QH</scope><scope>7TG</scope><scope>7TV</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>KL.</scope><scope>L.G</scope><scope>M7N</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-1491-827X</orcidid></search><sort><creationdate>20090801</creationdate><title>Odd Isotope Deficits in Atmospheric Hg Measured in Lichens</title><author>Carignan, Jean ; Estrade, Nicolas ; Sonke, Jeroen E ; Donard, Olivier F.X</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a436t-6e2227022caca93b59e2d14c0441e2c1a2e116886322c6ed0a454b04545acf9c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Air Pollutants - analysis</topic><topic>Analytical chemistry</topic><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Applied sciences</topic><topic>Atmosphere</topic><topic>Atmospheric chemistry</topic><topic>Biological and medical sciences</topic><topic>Characterization of Natural and Affected Environments</topic><topic>Chemical Sciences</topic><topic>Cities</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Emissions</topic><topic>Environment</topic><topic>Environmental Monitoring - methods</topic><topic>Environmental Pollutants</topic><topic>Exact sciences and technology</topic><topic>France</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Isotopes</topic><topic>Lichens</topic><topic>Lichens - drug effects</topic><topic>Lichens - metabolism</topic><topic>Mercury</topic><topic>Mercury - analysis</topic><topic>Mercury Isotopes</topic><topic>Pollution</topic><topic>Sedimentation & deposition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Carignan, Jean</creatorcontrib><creatorcontrib>Estrade, Nicolas</creatorcontrib><creatorcontrib>Sonke, Jeroen E</creatorcontrib><creatorcontrib>Donard, Olivier F.X</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Carignan, Jean</au><au>Estrade, Nicolas</au><au>Sonke, Jeroen E</au><au>Donard, Olivier F.X</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Odd Isotope Deficits in Atmospheric Hg Measured in Lichens</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. 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Because few other reactions than aquatic Hg photoreduction induce NMF, photochemical reduction appears to be a key pathway in the global Hg cycle. Based on a NMF isotope mass balance, direct anthropogenic emissions may account for only 50 ± 10% of atmospheric Hg deposition in an urban area of NE France. Furthermore, isotopic anomalies found in several polluted soils and sediments strongly suggests that an important part of Hg in these samples was affected by photoreactions and has cycled through the atmosphere before being stored in the geological environment. Thus, mercury isotopic anomalies measured in environmental samples may be used to trace and quantify the contribution of source emissions.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>19731659</pmid><doi>10.1021/es900578v</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-1491-827X</orcidid></addata></record> |
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| subjects | Air Pollutants - analysis Analytical chemistry Animal, plant and microbial ecology Applied ecology Applied sciences Atmosphere Atmospheric chemistry Biological and medical sciences Characterization of Natural and Affected Environments Chemical Sciences Cities Ecotoxicology, biological effects of pollution Emissions Environment Environmental Monitoring - methods Environmental Pollutants Exact sciences and technology France Fundamental and applied biological sciences. Psychology Isotopes Lichens Lichens - drug effects Lichens - metabolism Mercury Mercury - analysis Mercury Isotopes Pollution Sedimentation & deposition |
| title | Odd Isotope Deficits in Atmospheric Hg Measured in Lichens |
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