Use of mature willows (Salix nigra) for hydraulic control of landfill-impacted groundwater in a temperate climate.
Identifieur interne : 000029 ( Main/Exploration ); précédent : 000028; suivant : 000030Use of mature willows (Salix nigra) for hydraulic control of landfill-impacted groundwater in a temperate climate.
Auteurs : Serban Danielescu [Canada] ; Dale R. Van Stempvoort [Canada] ; Greg Bickerton [Canada] ; James W. Roy [Canada]Source :
- Journal of environmental management [ 1095-8630 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- geographic : Ontario.
- Biodegradation, Environmental, Groundwater, Salix, Waste Disposal Facilities.
Abstract
Phreatophytic trees such as willows and poplars have a large capacity for extracting shallow groundwater, as evidenced by diurnal water table fluctuations corresponding to intensified transpiration during the day. As a result, they have been employed for phytoremediation of shallow contaminated groundwater. In this study, the water extraction (i.e. pumping) capacity of mature willows (Salix nigra) to capture shallow polluted groundwater in Belle Park, the site of a former landfill in Kingston, Ontario (Canada), was assessed using continuous field measurements of sap flow and water table levels associated with a single willow tree, combined with a transient numerical model (FEFLOW). On an annual basis, the sapflow averaged 2.3 m3d-1, with 70% of the cumulative sap flow occurring during the active growing season (May to September). The calibration showed a good fit (0.91 < R2<0.97) between measured groundwater levels from three shallow wells installed near the willow and the calculated water table level fluctuations, thus confirming that the water extraction rate based on sap flow data for the willow was appropriate. At stand level, additional modelling suggests that 3.4-4.7 ha of mature willows (i.e. between 7.8% and 10.6% of the Park area), could compensate for the current water volumes extracted by the municipality using a conventional pump and treat system. The results of this study indicate that willows can play a significant role in capturing contaminated groundwater underlying Belle Park, and potentially at other sites where removal of contaminants from shallow aquifers is desired.
DOI: 10.1016/j.jenvman.2020.111106
PubMed: 32854896
Affiliations:
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Le document en format XML
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Electronic address: serban.danielescu@canada.ca.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Environment and Climate Change Canada and Agriculture and Agri-Food Canada, Fredericton Research and Development Centre, 850 Lincoln Rd., Fredericton, NB, E3B 4Z7</wicri:regionArea><wicri:noRegion>E3B 4Z7</wicri:noRegion></affiliation></author><author><name sortKey="Van Stempvoort, Dale R" sort="Van Stempvoort, Dale R" uniqKey="Van Stempvoort D" first="Dale R" last="Van Stempvoort">Dale R. Van Stempvoort</name><affiliation wicri:level="1"><nlm:affiliation>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1</wicri:regionArea><wicri:noRegion>L7S 1A1</wicri:noRegion></affiliation></author><author><name sortKey="Bickerton, Greg" sort="Bickerton, Greg" uniqKey="Bickerton G" first="Greg" last="Bickerton">Greg Bickerton</name><affiliation wicri:level="1"><nlm:affiliation>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1</wicri:regionArea><wicri:noRegion>L7S 1A1</wicri:noRegion></affiliation></author><author><name sortKey="Roy, James W" sort="Roy, James W" uniqKey="Roy J" first="James W" last="Roy">James W. Roy</name><affiliation wicri:level="1"><nlm:affiliation>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1</wicri:regionArea><wicri:noRegion>L7S 1A1</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of environmental management</title><idno type="eISSN">1095-8630</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term><term>Groundwater (MeSH)</term><term>Ontario (MeSH)</term><term>Salix (MeSH)</term><term>Waste Disposal Facilities (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Dépollution biologique de l'environnement (MeSH)</term><term>Installations d'élimination des déchets (MeSH)</term><term>Nappe phréatique (MeSH)</term><term>Ontario (MeSH)</term><term>Salix (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Ontario</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term><term>Groundwater</term><term>Salix</term><term>Waste Disposal Facilities</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Dépollution biologique de l'environnement</term><term>Installations d'élimination des déchets</term><term>Nappe phréatique</term><term>Ontario</term><term>Salix</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Phreatophytic trees such as willows and poplars have a large capacity for extracting shallow groundwater, as evidenced by diurnal water table fluctuations corresponding to intensified transpiration during the day. As a result, they have been employed for phytoremediation of shallow contaminated groundwater. In this study, the water extraction (i.e. pumping) capacity of mature willows (Salix nigra) to capture shallow polluted groundwater in Belle Park, the site of a former landfill in Kingston, Ontario (Canada), was assessed using continuous field measurements of sap flow and water table levels associated with a single willow tree, combined with a transient numerical model (FEFLOW). On an annual basis, the sapflow averaged 2.3 m<sup>3</sup>d<sup>-1</sup>, with 70% of the cumulative sap flow occurring during the active growing season (May to September). The calibration showed a good fit (0.91 < R<sup>2</sup><0.97) between measured groundwater levels from three shallow wells installed near the willow and the calculated water table level fluctuations, thus confirming that the water extraction rate based on sap flow data for the willow was appropriate. At stand level, additional modelling suggests that 3.4-4.7 ha of mature willows (i.e. between 7.8% and 10.6% of the Park area), could compensate for the current water volumes extracted by the municipality using a conventional pump and treat system. The results of this study indicate that willows can play a significant role in capturing contaminated groundwater underlying Belle Park, and potentially at other sites where removal of contaminants from shallow aquifers is desired.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32854896</PMID><DateCompleted><Year>2020</Year><Month>08</Month><Day>31</Day></DateCompleted><DateRevised><Year>2020</Year><Month>08</Month><Day>31</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1095-8630</ISSN><JournalIssue CitedMedium="Internet"><Volume>272</Volume><PubDate><Year>2020</Year><Month>Oct</Month><Day>15</Day></PubDate></JournalIssue><Title>Journal of environmental management</Title><ISOAbbreviation>J Environ Manage</ISOAbbreviation></Journal><ArticleTitle>Use of mature willows (Salix nigra) for hydraulic control of landfill-impacted groundwater in a temperate climate.</ArticleTitle><Pagination><MedlinePgn>111106</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0301-4797(20)31033-1</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jenvman.2020.111106</ELocationID><Abstract><AbstractText>Phreatophytic trees such as willows and poplars have a large capacity for extracting shallow groundwater, as evidenced by diurnal water table fluctuations corresponding to intensified transpiration during the day. As a result, they have been employed for phytoremediation of shallow contaminated groundwater. In this study, the water extraction (i.e. pumping) capacity of mature willows (Salix nigra) to capture shallow polluted groundwater in Belle Park, the site of a former landfill in Kingston, Ontario (Canada), was assessed using continuous field measurements of sap flow and water table levels associated with a single willow tree, combined with a transient numerical model (FEFLOW). On an annual basis, the sapflow averaged 2.3 m<sup>3</sup>d<sup>-1</sup>, with 70% of the cumulative sap flow occurring during the active growing season (May to September). The calibration showed a good fit (0.91 < R<sup>2</sup><0.97) between measured groundwater levels from three shallow wells installed near the willow and the calculated water table level fluctuations, thus confirming that the water extraction rate based on sap flow data for the willow was appropriate. At stand level, additional modelling suggests that 3.4-4.7 ha of mature willows (i.e. between 7.8% and 10.6% of the Park area), could compensate for the current water volumes extracted by the municipality using a conventional pump and treat system. The results of this study indicate that willows can play a significant role in capturing contaminated groundwater underlying Belle Park, and potentially at other sites where removal of contaminants from shallow aquifers is desired.</AbstractText><CopyrightInformation>Crown Copyright © 2020. Published by Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Danielescu</LastName><ForeName>Serban</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Environment and Climate Change Canada and Agriculture and Agri-Food Canada, Fredericton Research and Development Centre, 850 Lincoln Rd., Fredericton, NB, E3B 4Z7, Canada. Electronic address: serban.danielescu@canada.ca.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Van Stempvoort</LastName><ForeName>Dale R</ForeName><Initials>DR</Initials><AffiliationInfo><Affiliation>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bickerton</LastName><ForeName>Greg</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Roy</LastName><ForeName>James W</ForeName><Initials>JW</Initials><AffiliationInfo><Affiliation>Environment and Climate Change Canada, Canadian Centre for Inland Waters, 867 Lakeshore Rd, Burlington, ON, L7S 1A1, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>07</Month><Day>24</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Environ Manage</MedlineTA><NlmUniqueID>0401664</NlmUniqueID><ISSNLinking>0301-4797</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D060587" MajorTopicYN="Y">Groundwater</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009864" MajorTopicYN="N" Type="Geographic">Ontario</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032108" MajorTopicYN="Y">Salix</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D064091" MajorTopicYN="N">Waste Disposal Facilities</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Capture zone</Keyword><Keyword MajorTopicYN="N">Hydraulic control</Keyword><Keyword MajorTopicYN="N">Phreatophytes</Keyword><Keyword MajorTopicYN="N">Sap flow</Keyword><Keyword MajorTopicYN="N">Willow</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>03</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>07</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>07</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>8</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>8</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>9</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32854896</ArticleId><ArticleId IdType="pii">S0301-4797(20)31033-1</ArticleId><ArticleId IdType="doi">10.1016/j.jenvman.2020.111106</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Danielescu, Serban" sort="Danielescu, Serban" uniqKey="Danielescu S" first="Serban" last="Danielescu">Serban Danielescu</name></noRegion><name sortKey="Bickerton, Greg" sort="Bickerton, Greg" uniqKey="Bickerton G" first="Greg" last="Bickerton">Greg Bickerton</name><name sortKey="Roy, James W" sort="Roy, James W" uniqKey="Roy J" first="James W" last="Roy">James W. Roy</name><name sortKey="Van Stempvoort, Dale R" sort="Van Stempvoort, Dale R" uniqKey="Van Stempvoort D" first="Dale R" last="Van Stempvoort">Dale R. Van Stempvoort</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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