Direct volatilization of naphthalene to the atmosphere at a phytoremediation site.
Identifieur interne : 003E34 ( Main/Exploration ); précédent : 003E33; suivant : 003E35Direct volatilization of naphthalene to the atmosphere at a phytoremediation site.
Auteurs : Linsey C. Marr [États-Unis] ; Elizabeth C. Booth ; Rikke G. Andersen ; Mark A. Widdowson ; John T. NovakSource :
- Environmental science & technology [ 0013-936X ] ; 2006.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Naphtalènes, Plantes, Polluants atmosphériques, Polluants chimiques de l'eau.
- méthodes : Assainissement et restauration de l'environnement.
- Volatilisation.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Air Pollutants, Naphthalenes, Water Pollutants, Chemical.
- metabolism : Plants.
- methods : Environmental Restoration and Remediation.
- Volatilization.
Abstract
Phytoremediation systems are known to reduce groundwater contamination by at least three major mechanisms: plant uptake, phytovolatilization, and enhanced rhizosphere bioremediation. The potential for such systems to enhance a fourth remediation pathway--direct surface volatilization of contaminants through the subsurface and into the atmosphere-has not yet been investigated in the field. A vertical flux chamber was used to measure direct surface volatilization of naphthalene over nine months at a creosote-contaminated site in Oneida, Tennessee, where a phytoremediation system of poplar trees was installed in 1997. A maximum flux of 23 microg m(-2) h(-1) was measured in August 2004, and naphthalene removal by the direct volatilization pathway is estimated to be 50 g yr(-1) at this site. Results suggest that direct volatilization fluxes are most strongly affected by the groundwater level (thickness of the saturated zone), soil moisture, and changes in atmospheric pressure. At this site, transpiration and canopy interception resulting from the phytoremediation system significantly reduce the saturated thickness, increasing the vertical concentration gradient of naphthalene in the groundwater and thus increasing the upward diffusive flux of naphthalene through the subsurface. The presence of the trees, therefore, promotes direct volatilization into the atmosphere. This research represents the first known measurement of naphthalene attenuation by the direct volatilization pathway.
DOI: 10.1021/es060087+
PubMed: 16999140
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Booth</name></author><author><name sortKey="Andersen, Rikke G" sort="Andersen, Rikke G" uniqKey="Andersen R" first="Rikke G" last="Andersen">Rikke G. Andersen</name></author><author><name sortKey="Widdowson, Mark A" sort="Widdowson, Mark A" uniqKey="Widdowson M" first="Mark A" last="Widdowson">Mark A. Widdowson</name></author><author><name sortKey="Novak, John T" sort="Novak, John T" uniqKey="Novak J" first="John T" last="Novak">John T. 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Via, Jr. Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA. lmarr@vt.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>The Charles E. Via, Jr. Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061</wicri:regionArea><wicri:noRegion>Virginia 24061</wicri:noRegion></affiliation></author><author><name sortKey="Booth, Elizabeth C" sort="Booth, Elizabeth C" uniqKey="Booth E" first="Elizabeth C" last="Booth">Elizabeth C. Booth</name></author><author><name sortKey="Andersen, Rikke G" sort="Andersen, Rikke G" uniqKey="Andersen R" first="Rikke G" last="Andersen">Rikke G. Andersen</name></author><author><name sortKey="Widdowson, Mark A" sort="Widdowson, Mark A" uniqKey="Widdowson M" first="Mark A" last="Widdowson">Mark A. Widdowson</name></author><author><name sortKey="Novak, John T" sort="Novak, John T" uniqKey="Novak J" first="John T" last="Novak">John T. Novak</name></author></analytic><series><title level="j">Environmental science & technology</title><idno type="ISSN">0013-936X</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air Pollutants (metabolism)</term><term>Environmental Restoration and Remediation (methods)</term><term>Naphthalenes (metabolism)</term><term>Plants (metabolism)</term><term>Volatilization (MeSH)</term><term>Water Pollutants, Chemical (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Assainissement et restauration de l'environnement (méthodes)</term><term>Naphtalènes (métabolisme)</term><term>Plantes (métabolisme)</term><term>Polluants atmosphériques (métabolisme)</term><term>Polluants chimiques de l'eau (métabolisme)</term><term>Volatilisation (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Air Pollutants</term><term>Naphthalenes</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plants</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Environmental Restoration and Remediation</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Naphtalènes</term><term>Plantes</term><term>Polluants atmosphériques</term><term>Polluants chimiques de l'eau</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Assainissement et restauration de l'environnement</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Volatilization</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Volatilisation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Phytoremediation systems are known to reduce groundwater contamination by at least three major mechanisms: plant uptake, phytovolatilization, and enhanced rhizosphere bioremediation. The potential for such systems to enhance a fourth remediation pathway--direct surface volatilization of contaminants through the subsurface and into the atmosphere-has not yet been investigated in the field. A vertical flux chamber was used to measure direct surface volatilization of naphthalene over nine months at a creosote-contaminated site in Oneida, Tennessee, where a phytoremediation system of poplar trees was installed in 1997. A maximum flux of 23 microg m(-2) h(-1) was measured in August 2004, and naphthalene removal by the direct volatilization pathway is estimated to be 50 g yr(-1) at this site. Results suggest that direct volatilization fluxes are most strongly affected by the groundwater level (thickness of the saturated zone), soil moisture, and changes in atmospheric pressure. At this site, transpiration and canopy interception resulting from the phytoremediation system significantly reduce the saturated thickness, increasing the vertical concentration gradient of naphthalene in the groundwater and thus increasing the upward diffusive flux of naphthalene through the subsurface. The presence of the trees, therefore, promotes direct volatilization into the atmosphere. This research represents the first known measurement of naphthalene attenuation by the direct volatilization pathway.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16999140</PMID><DateCompleted><Year>2007</Year><Month>01</Month><Day>22</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0013-936X</ISSN><JournalIssue CitedMedium="Print"><Volume>40</Volume><Issue>17</Issue><PubDate><Year>2006</Year><Month>Sep</Month><Day>01</Day></PubDate></JournalIssue><Title>Environmental science & technology</Title><ISOAbbreviation>Environ Sci Technol</ISOAbbreviation></Journal><ArticleTitle>Direct volatilization of naphthalene to the atmosphere at a phytoremediation site.</ArticleTitle><Pagination><MedlinePgn>5560-6</MedlinePgn></Pagination><Abstract><AbstractText>Phytoremediation systems are known to reduce groundwater contamination by at least three major mechanisms: plant uptake, phytovolatilization, and enhanced rhizosphere bioremediation. The potential for such systems to enhance a fourth remediation pathway--direct surface volatilization of contaminants through the subsurface and into the atmosphere-has not yet been investigated in the field. A vertical flux chamber was used to measure direct surface volatilization of naphthalene over nine months at a creosote-contaminated site in Oneida, Tennessee, where a phytoremediation system of poplar trees was installed in 1997. A maximum flux of 23 microg m(-2) h(-1) was measured in August 2004, and naphthalene removal by the direct volatilization pathway is estimated to be 50 g yr(-1) at this site. Results suggest that direct volatilization fluxes are most strongly affected by the groundwater level (thickness of the saturated zone), soil moisture, and changes in atmospheric pressure. At this site, transpiration and canopy interception resulting from the phytoremediation system significantly reduce the saturated thickness, increasing the vertical concentration gradient of naphthalene in the groundwater and thus increasing the upward diffusive flux of naphthalene through the subsurface. The presence of the trees, therefore, promotes direct volatilization into the atmosphere. This research represents the first known measurement of naphthalene attenuation by the direct volatilization pathway.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Marr</LastName><ForeName>Linsey C</ForeName><Initials>LC</Initials><AffiliationInfo><Affiliation>The Charles E. Via, Jr. Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA. lmarr@vt.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Booth</LastName><ForeName>Elizabeth C</ForeName><Initials>EC</Initials></Author><Author ValidYN="Y"><LastName>Andersen</LastName><ForeName>Rikke G</ForeName><Initials>RG</Initials></Author><Author ValidYN="Y"><LastName>Widdowson</LastName><ForeName>Mark A</ForeName><Initials>MA</Initials></Author><Author ValidYN="Y"><LastName>Novak</LastName><ForeName>John T</ForeName><Initials>JT</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Environ Sci Technol</MedlineTA><NlmUniqueID>0213155</NlmUniqueID><ISSNLinking>0013-936X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000393">Air Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D009281">Naphthalenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014874">Water Pollutants, Chemical</NameOfSubstance></Chemical><Chemical><RegistryNumber>2166IN72UN</RegistryNumber><NameOfSubstance UI="C031721">naphthalene</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000393" MajorTopicYN="N">Air Pollutants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052918" MajorTopicYN="N">Environmental Restoration and Remediation</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009281" MajorTopicYN="N">Naphthalenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010944" MajorTopicYN="N">Plants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014835" MajorTopicYN="N">Volatilization</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014874" MajorTopicYN="N">Water Pollutants, Chemical</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>9</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>1</Month><Day>24</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>9</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16999140</ArticleId><ArticleId IdType="doi">10.1021/es060087+</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Andersen, Rikke G" sort="Andersen, Rikke G" uniqKey="Andersen R" first="Rikke G" last="Andersen">Rikke G. Andersen</name><name sortKey="Booth, Elizabeth C" sort="Booth, Elizabeth C" uniqKey="Booth E" first="Elizabeth C" last="Booth">Elizabeth C. Booth</name><name sortKey="Novak, John T" sort="Novak, John T" uniqKey="Novak J" first="John T" last="Novak">John T. Novak</name><name sortKey="Widdowson, Mark A" sort="Widdowson, Mark A" uniqKey="Widdowson M" first="Mark A" last="Widdowson">Mark A. Widdowson</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Marr, Linsey C" sort="Marr, Linsey C" uniqKey="Marr L" first="Linsey C" last="Marr">Linsey C. Marr</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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