Seasonal variations in the sources of natural and anthropogenic lead deposited at the East Rongbuk Glacier in the high-altitude Himalayas.
Identifieur interne : 000058 ( Main/Exploration ); précédent : 000057; suivant : 000059Seasonal variations in the sources of natural and anthropogenic lead deposited at the East Rongbuk Glacier in the high-altitude Himalayas.
Auteurs : RBID : pubmed:24797737Abstract
Lead (Pb) isotopic compositions and concentrations, and barium (Ba) and indium (In) concentrations have been analysed at sub-annual resolution in three sections from a <110m ice core dated to the 18th and 20th centuries, as well as snow pit samples dated to 2004/2005, recovered from the East Rongbuk Glacier in the high-altitude Himalayas. Ice core sections indicate that atmospheric chemistry prior to ~1953was controlled by mineral dust inputs, with no discernible volcanic or anthropogenic contributions. Eighteenth century monsoon ice core chemistry is indicative of dominant contributions from local Himalayan sources; non-monsoon ice core chemistry is linked to contributions from local (Himalayan), regional (Indian/Thar Desert) and long-range (North Africa, Central Asia) sources. Twentieth century monsoon and non-monsoon ice core data demonstrate similar seasonal sources of mineral dust, however with a transition to less-radiogenic isotopic signatures that suggests local and regional climate/environmental change. The snow pit record demonstrates natural and anthropogenic contributions during both seasons, with increased anthropogenic influence during non-monsoon times. Monsoon anthropogenic inputs are most likely sourced to South/South-East Asia and/or India, whereas non-monsoon anthropogenic inputs are most likely sourced to India and Central Asia.
DOI: 10.1016/j.scitotenv.2014.03.120
PubMed: 24797737
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Seasonal variations in the sources of natural and anthropogenic lead deposited at the East Rongbuk Glacier in the high-altitude Himalayas.</title><author><name sortKey="Burn Nunes, Laurie" uniqKey="Burn Nunes L">Laurie Burn-Nunes</name><affiliation wicri:level="1"><nlm:affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia. Electronic address: L.Nunes@curtin.edu.au.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia</wicri:regionArea></affiliation></author><author><name sortKey="Vallelonga, Paul" uniqKey="Vallelonga P">Paul Vallelonga</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Ice and Climate, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, Denmark.</nlm:affiliation><country xml:lang="fr">Danemark</country><wicri:regionArea>Centre for Ice and Climate, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø</wicri:regionArea></affiliation></author><author><name sortKey="Lee, Khanghyun" uniqKey="Lee K">Khanghyun Lee</name><affiliation wicri:level="1"><nlm:affiliation>Environmental Measurement and Analysis Center, National Institute of Environmental Research, Environmental Research Complex, Kyungseo-dong, Seo-gu, Incheon 404-170, Republic of Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Environmental Measurement and Analysis Center, National Institute of Environmental Research, Environmental Research Complex, Kyungseo-dong, Seo-gu, Incheon 404-170</wicri:regionArea></affiliation></author><author><name sortKey="Hong, Sungmin" uniqKey="Hong S">Sungmin Hong</name><affiliation wicri:level="1"><nlm:affiliation>Department of Ocean Sciences, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Ocean Sciences, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751</wicri:regionArea></affiliation></author><author><name sortKey="Burton, Graeme" uniqKey="Burton G">Graeme Burton</name><affiliation wicri:level="1"><nlm:affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia</wicri:regionArea></affiliation></author><author><name sortKey="Hou, Shugui" uniqKey="Hou S">Shugui Hou</name><affiliation wicri:level="1"><nlm:affiliation>Key Laboratory of Coast and Island development of Ministry of Education, School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210093, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Laboratory of Coast and Island development of Ministry of Education, School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210093</wicri:regionArea></affiliation></author><author><name sortKey="Moy, Andrew" uniqKey="Moy A">Andrew Moy</name><affiliation wicri:level="1"><nlm:affiliation>Department of the Environment, Australian Antarctic Division, Channel Highway, Kingston 7050, Tasmania, Australia; Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart 7001, Tasmania, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of the Environment, Australian Antarctic Division, Channel Highway, Kingston 7050, Tasmania, Australia; Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart 7001, Tasmania</wicri:regionArea></affiliation></author><author><name sortKey="Edwards, Ross" uniqKey="Edwards R">Ross Edwards</name><affiliation wicri:level="1"><nlm:affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia</wicri:regionArea></affiliation></author><author><name sortKey="Loss, Robert" uniqKey="Loss R">Robert Loss</name><affiliation wicri:level="1"><nlm:affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia</wicri:regionArea></affiliation></author><author><name sortKey="Rosman, Kevin" uniqKey="Rosman K">Kevin Rosman</name><affiliation wicri:level="1"><nlm:affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><date when="2014">2014</date><idno type="RBID">pubmed:24797737</idno><idno type="pmid">24797737</idno><idno type="doi">10.1016/j.scitotenv.2014.03.120</idno><idno type="wicri:Area/Main/Corpus">000017</idno><idno type="wicri:Area/Main/Curation">000017</idno><idno type="wicri:Area/Main/Exploration">000058</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Lead (Pb) isotopic compositions and concentrations, and barium (Ba) and indium (In) concentrations have been analysed at sub-annual resolution in three sections from a <110m ice core dated to the 18th and 20th centuries, as well as snow pit samples dated to 2004/2005, recovered from the East Rongbuk Glacier in the high-altitude Himalayas. Ice core sections indicate that atmospheric chemistry prior to ~1953was controlled by mineral dust inputs, with no discernible volcanic or anthropogenic contributions. Eighteenth century monsoon ice core chemistry is indicative of dominant contributions from local Himalayan sources; non-monsoon ice core chemistry is linked to contributions from local (Himalayan), regional (Indian/Thar Desert) and long-range (North Africa, Central Asia) sources. Twentieth century monsoon and non-monsoon ice core data demonstrate similar seasonal sources of mineral dust, however with a transition to less-radiogenic isotopic signatures that suggests local and regional climate/environmental change. The snow pit record demonstrates natural and anthropogenic contributions during both seasons, with increased anthropogenic influence during non-monsoon times. Monsoon anthropogenic inputs are most likely sourced to South/South-East Asia and/or India, whereas non-monsoon anthropogenic inputs are most likely sourced to India and Central Asia.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">24797737</PMID><DateCreated><Year>2014</Year><Month>5</Month><Day>12</Day></DateCreated><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1026</ISSN><JournalIssue CitedMedium="Internet"><Volume>487C</Volume><PubDate><Year>2014</Year><Month>May</Month><Day>4</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci. Total Environ.</ISOAbbreviation></Journal><ArticleTitle>Seasonal variations in the sources of natural and anthropogenic lead deposited at the East Rongbuk Glacier in the high-altitude Himalayas.</ArticleTitle><Pagination><MedlinePgn>407-419</MedlinePgn></Pagination><ELocationID EIdType="pii">S0048-9697(14)00460-4</ELocationID><ELocationID EIdType="doi">10.1016/j.scitotenv.2014.03.120</ELocationID><Abstract><AbstractText NlmCategory="UNLABELLED">Lead (Pb) isotopic compositions and concentrations, and barium (Ba) and indium (In) concentrations have been analysed at sub-annual resolution in three sections from a <110m ice core dated to the 18th and 20th centuries, as well as snow pit samples dated to 2004/2005, recovered from the East Rongbuk Glacier in the high-altitude Himalayas. Ice core sections indicate that atmospheric chemistry prior to ~1953was controlled by mineral dust inputs, with no discernible volcanic or anthropogenic contributions. Eighteenth century monsoon ice core chemistry is indicative of dominant contributions from local Himalayan sources; non-monsoon ice core chemistry is linked to contributions from local (Himalayan), regional (Indian/Thar Desert) and long-range (North Africa, Central Asia) sources. Twentieth century monsoon and non-monsoon ice core data demonstrate similar seasonal sources of mineral dust, however with a transition to less-radiogenic isotopic signatures that suggests local and regional climate/environmental change. The snow pit record demonstrates natural and anthropogenic contributions during both seasons, with increased anthropogenic influence during non-monsoon times. Monsoon anthropogenic inputs are most likely sourced to South/South-East Asia and/or India, whereas non-monsoon anthropogenic inputs are most likely sourced to India and Central Asia.</AbstractText><CopyrightInformation>Copyright © 2014 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList><Author><LastName>Burn-Nunes</LastName><ForeName>Laurie</ForeName><Initials>L</Initials><Affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia. Electronic address: L.Nunes@curtin.edu.au.</Affiliation></Author><Author><LastName>Vallelonga</LastName><ForeName>Paul</ForeName><Initials>P</Initials><Affiliation>Centre for Ice and Climate, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, Denmark.</Affiliation></Author><Author><LastName>Lee</LastName><ForeName>Khanghyun</ForeName><Initials>K</Initials><Affiliation>Environmental Measurement and Analysis Center, National Institute of Environmental Research, Environmental Research Complex, Kyungseo-dong, Seo-gu, Incheon 404-170, Republic of Korea.</Affiliation></Author><Author><LastName>Hong</LastName><ForeName>Sungmin</ForeName><Initials>S</Initials><Affiliation>Department of Ocean Sciences, Inha University, 100 Inha-ro, Nam-gu, Incheon 402-751, Republic of Korea.</Affiliation></Author><Author><LastName>Burton</LastName><ForeName>Graeme</ForeName><Initials>G</Initials><Affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</Affiliation></Author><Author><LastName>Hou</LastName><ForeName>Shugui</ForeName><Initials>S</Initials><Affiliation>Key Laboratory of Coast and Island development of Ministry of Education, School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210093, China.</Affiliation></Author><Author><LastName>Moy</LastName><ForeName>Andrew</ForeName><Initials>A</Initials><Affiliation>Department of the Environment, Australian Antarctic Division, Channel Highway, Kingston 7050, Tasmania, Australia; Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart 7001, Tasmania, Australia.</Affiliation></Author><Author><LastName>Edwards</LastName><ForeName>Ross</ForeName><Initials>R</Initials><Affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</Affiliation></Author><Author><LastName>Loss</LastName><ForeName>Robert</ForeName><Initials>R</Initials><Affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</Affiliation></Author><Author><LastName>Rosman</LastName><ForeName>Kevin</ForeName><Initials>K</Initials><Affiliation>Department of Imaging and Applied Physics, Curtin University, GPO Box U 1987, Perth 6845, Western Australia, Australia.</Affiliation></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType>JOURNAL ARTICLE</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>5</Month><Day>4</Day></ArticleDate></Article><MedlineJournalInfo><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Dust</Keyword><Keyword MajorTopicYN="N">Ice core</Keyword><Keyword MajorTopicYN="N">Lead isotope</Keyword><Keyword MajorTopicYN="N">Northern Hemisphere</Keyword><Keyword MajorTopicYN="N">Pollution</Keyword><Keyword MajorTopicYN="N">Snow</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>10</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>3</Month><Day>24</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>3</Month><Day>24</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>5</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>5</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>5</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>aheadofprint</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24797737</ArticleId><ArticleId IdType="pii">S0048-9697(14)00460-4</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2014.03.120</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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