The distribution and transport of lead over two centuries as recorded by lake sediments from northeastern North America
We evaluated anthropogenic Pb deposition along a west-east transect from the Adirondack Mountains, New York, USA (ADIR) region, the Vermont-New Hampshire-Maine, USA (VT-NH-ME) region, and Nova Scotia, Canada (NS) region using 47 210Pb-dated lake sediment records. We used focus-corrected Pb inventori...
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Veröffentlicht in: | The Science of the total environment 2020-10, Vol.737, p.140212-140212, Article 140212 |
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creator | Dunnington, Dewey W. Roberts, Sarah Norton, Stephen A. Spooner, Ian S. Kurek, Joshua Kirk, Jane L. Muir, Derek C.G. White, Chris E. Gagnon, Graham A. |
description | We evaluated anthropogenic Pb deposition along a west-east transect from the Adirondack Mountains, New York, USA (ADIR) region, the Vermont-New Hampshire-Maine, USA (VT-NH-ME) region, and Nova Scotia, Canada (NS) region using 47 210Pb-dated lake sediment records. We used focus-corrected Pb inventories to evaluate cumulative deposition and breakpoint analysis to evaluate possible differences in timings among regions. Peak Pb concentrations decreased from west to east (ADIR region: 52–378 mg kg−1, VT-NH-ME region: 54–253 mg kg−1, NS: 38–140 mg kg−1). Cumulative deposition of anthropogenic Pb also decreased from west to east (ADIR region: 791–1344 mg m−2, VT-NH-ME region: 209–1206 mg m−2, NS: 52–421 mg m−2). The initiation of anthropogenic Pb deposition occurred progressively later along the same transect (ADIR region: 1869–1900, VT-NH-ME region: 1874–1905, NS region: 1901–1930). Previous lead isotope studies suggest that eastern Canadian Pb deposition over the past ~150 years has originated from a mix of both Canadian and U.S. sources. The results of this study indicate that anthropogenic Pb from sources west of the ADIR region were deposited in lesser amounts from west to east and/or Pb sources reflect less population density from west to east. The timing of the initiation of anthropogenic Pb deposition in the NS region suggests that Pb from gasoline may be an important source in this region.
[Display omitted]
•Atmospheric transport of Pb in northeast North America is not well-characterized.•We analyzed total Pb from 47 210Pb-dated lake sediment records.•Peak sedimentary Pb concentrations decreased from west to east.•Cumulative deposition of anthropogenic Pb decreased from west to east.•Anthropogenic Pb deposition started increasing later from west to east. |
doi_str_mv | 10.1016/j.scitotenv.2020.140212 |
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[Display omitted]
•Atmospheric transport of Pb in northeast North America is not well-characterized.•We analyzed total Pb from 47 210Pb-dated lake sediment records.•Peak sedimentary Pb concentrations decreased from west to east.•Cumulative deposition of anthropogenic Pb decreased from west to east.•Anthropogenic Pb deposition started increasing later from west to east.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2020.140212</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Atmospheric transport ; Contaminant fate ; Lake sediment ; Lead ; Paleolimnology</subject><ispartof>The Science of the total environment, 2020-10, Vol.737, p.140212-140212, Article 140212</ispartof><rights>2020 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c348t-c4e997d7c8c272ccc23118839da1ec9a4beeca286b10e655f80a3c1493892f4b3</citedby><cites>FETCH-LOGICAL-c348t-c4e997d7c8c272ccc23118839da1ec9a4beeca286b10e655f80a3c1493892f4b3</cites><orcidid>0000-0002-9415-4582</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.scitotenv.2020.140212$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Dunnington, Dewey W.</creatorcontrib><creatorcontrib>Roberts, Sarah</creatorcontrib><creatorcontrib>Norton, Stephen A.</creatorcontrib><creatorcontrib>Spooner, Ian S.</creatorcontrib><creatorcontrib>Kurek, Joshua</creatorcontrib><creatorcontrib>Kirk, Jane L.</creatorcontrib><creatorcontrib>Muir, Derek C.G.</creatorcontrib><creatorcontrib>White, Chris E.</creatorcontrib><creatorcontrib>Gagnon, Graham A.</creatorcontrib><title>The distribution and transport of lead over two centuries as recorded by lake sediments from northeastern North America</title><title>The Science of the total environment</title><description>We evaluated anthropogenic Pb deposition along a west-east transect from the Adirondack Mountains, New York, USA (ADIR) region, the Vermont-New Hampshire-Maine, USA (VT-NH-ME) region, and Nova Scotia, Canada (NS) region using 47 210Pb-dated lake sediment records. We used focus-corrected Pb inventories to evaluate cumulative deposition and breakpoint analysis to evaluate possible differences in timings among regions. Peak Pb concentrations decreased from west to east (ADIR region: 52–378 mg kg−1, VT-NH-ME region: 54–253 mg kg−1, NS: 38–140 mg kg−1). Cumulative deposition of anthropogenic Pb also decreased from west to east (ADIR region: 791–1344 mg m−2, VT-NH-ME region: 209–1206 mg m−2, NS: 52–421 mg m−2). The initiation of anthropogenic Pb deposition occurred progressively later along the same transect (ADIR region: 1869–1900, VT-NH-ME region: 1874–1905, NS region: 1901–1930). Previous lead isotope studies suggest that eastern Canadian Pb deposition over the past ~150 years has originated from a mix of both Canadian and U.S. sources. The results of this study indicate that anthropogenic Pb from sources west of the ADIR region were deposited in lesser amounts from west to east and/or Pb sources reflect less population density from west to east. The timing of the initiation of anthropogenic Pb deposition in the NS region suggests that Pb from gasoline may be an important source in this region.
[Display omitted]
•Atmospheric transport of Pb in northeast North America is not well-characterized.•We analyzed total Pb from 47 210Pb-dated lake sediment records.•Peak sedimentary Pb concentrations decreased from west to east.•Cumulative deposition of anthropogenic Pb decreased from west to east.•Anthropogenic Pb deposition started increasing later from west to east.</description><subject>Atmospheric transport</subject><subject>Contaminant fate</subject><subject>Lake sediment</subject><subject>Lead</subject><subject>Paleolimnology</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkE1vEzEQhi0EEqHwG5gjlw2219m1j1HFl1TRS3u2vONZ1WHXDraTqv8eR0FcmctoRs-80jyMfRR8K7gYPh-2BUNNleJ5K7lsW8WlkK_YRujRdILL4TXbcK50ZwYzvmXvSjnwVqMWG_b88ETgQ6k5TKcaUgQXPdTsYjmmXCHNsJDzkM6UoT4nQIr1lAMVcAUyYcqePEwvsLhfBIV8WBtRYM5phdginsiVSjnCz8sA-5VyQPeevZndUujD337DHr9-ebj93t3df_txu7_rsFe6dqjImNGPqFGOEhFlL4TWvfFOEBqnJiJ0Ug-T4DTsdrPmrkehTK-NnNXU37BP19xjTr9PVKpdQ0FaFhcpnYqVqld8N7bQho5XFHMqJdNsjzmsLr9Ywe1FtT3Yf6rtRbW9qm6X--sltU_OgfKFo4hNRjNUrU_hvxl_AF8Yjpk</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>Dunnington, Dewey W.</creator><creator>Roberts, Sarah</creator><creator>Norton, Stephen A.</creator><creator>Spooner, Ian S.</creator><creator>Kurek, Joshua</creator><creator>Kirk, Jane L.</creator><creator>Muir, Derek C.G.</creator><creator>White, Chris E.</creator><creator>Gagnon, Graham A.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9415-4582</orcidid></search><sort><creationdate>20201001</creationdate><title>The distribution and transport of lead over two centuries as recorded by lake sediments from northeastern North America</title><author>Dunnington, Dewey W. ; Roberts, Sarah ; Norton, Stephen A. ; Spooner, Ian S. ; Kurek, Joshua ; Kirk, Jane L. ; Muir, Derek C.G. ; White, Chris E. ; Gagnon, Graham A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c348t-c4e997d7c8c272ccc23118839da1ec9a4beeca286b10e655f80a3c1493892f4b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Atmospheric transport</topic><topic>Contaminant fate</topic><topic>Lake sediment</topic><topic>Lead</topic><topic>Paleolimnology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dunnington, Dewey W.</creatorcontrib><creatorcontrib>Roberts, Sarah</creatorcontrib><creatorcontrib>Norton, Stephen A.</creatorcontrib><creatorcontrib>Spooner, Ian S.</creatorcontrib><creatorcontrib>Kurek, Joshua</creatorcontrib><creatorcontrib>Kirk, Jane L.</creatorcontrib><creatorcontrib>Muir, Derek C.G.</creatorcontrib><creatorcontrib>White, Chris E.</creatorcontrib><creatorcontrib>Gagnon, Graham A.</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dunnington, Dewey W.</au><au>Roberts, Sarah</au><au>Norton, Stephen A.</au><au>Spooner, Ian S.</au><au>Kurek, Joshua</au><au>Kirk, Jane L.</au><au>Muir, Derek C.G.</au><au>White, Chris E.</au><au>Gagnon, Graham A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The distribution and transport of lead over two centuries as recorded by lake sediments from northeastern North America</atitle><jtitle>The Science of the total environment</jtitle><date>2020-10-01</date><risdate>2020</risdate><volume>737</volume><spage>140212</spage><epage>140212</epage><pages>140212-140212</pages><artnum>140212</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>We evaluated anthropogenic Pb deposition along a west-east transect from the Adirondack Mountains, New York, USA (ADIR) region, the Vermont-New Hampshire-Maine, USA (VT-NH-ME) region, and Nova Scotia, Canada (NS) region using 47 210Pb-dated lake sediment records. We used focus-corrected Pb inventories to evaluate cumulative deposition and breakpoint analysis to evaluate possible differences in timings among regions. Peak Pb concentrations decreased from west to east (ADIR region: 52–378 mg kg−1, VT-NH-ME region: 54–253 mg kg−1, NS: 38–140 mg kg−1). Cumulative deposition of anthropogenic Pb also decreased from west to east (ADIR region: 791–1344 mg m−2, VT-NH-ME region: 209–1206 mg m−2, NS: 52–421 mg m−2). The initiation of anthropogenic Pb deposition occurred progressively later along the same transect (ADIR region: 1869–1900, VT-NH-ME region: 1874–1905, NS region: 1901–1930). Previous lead isotope studies suggest that eastern Canadian Pb deposition over the past ~150 years has originated from a mix of both Canadian and U.S. sources. The results of this study indicate that anthropogenic Pb from sources west of the ADIR region were deposited in lesser amounts from west to east and/or Pb sources reflect less population density from west to east. The timing of the initiation of anthropogenic Pb deposition in the NS region suggests that Pb from gasoline may be an important source in this region.
[Display omitted]
•Atmospheric transport of Pb in northeast North America is not well-characterized.•We analyzed total Pb from 47 210Pb-dated lake sediment records.•Peak sedimentary Pb concentrations decreased from west to east.•Cumulative deposition of anthropogenic Pb decreased from west to east.•Anthropogenic Pb deposition started increasing later from west to east.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.scitotenv.2020.140212</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-9415-4582</orcidid></addata></record> |
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subjects | Atmospheric transport Contaminant fate Lake sediment Lead Paleolimnology |
title | The distribution and transport of lead over two centuries as recorded by lake sediments from northeastern North America |
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