Impact of different plants on the gas profile of a landfill cover.
Identifieur interne : 002E31 ( Main/Exploration ); précédent : 002E30; suivant : 002E32Impact of different plants on the gas profile of a landfill cover.
Auteurs : Thomas G. Reichenauer [Autriche] ; Andrea Watzinger ; Johann Riesing ; Martin H. GerzabekSource :
- Waste management (New York, N.Y.) [ 1879-2456 ] ; 2011.
Descripteurs français
- KwdFr :
- Cinétique (MeSH), Dépollution biologique de l'environnement (MeSH), Eau (composition chimique), Méthane (analyse), Méthane (métabolisme), Nitrates (composition chimique), Oxydoréduction (MeSH), Plantes (métabolisme), Polluants atmosphériques (analyse), Polluants atmosphériques (métabolisme), Sol (composition chimique), Élimination des déchets (méthodes).
- MESH :
- analyse : Méthane, Polluants atmosphériques.
- composition chimique : Eau, Nitrates, Sol.
- métabolisme : Méthane, Plantes, Polluants atmosphériques.
- méthodes : Élimination des déchets.
- Cinétique, Dépollution biologique de l'environnement, Oxydoréduction.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Air Pollutants, Methane.
- chemical , chemistry : Nitrates, Soil, Water.
- chemical , metabolism : Air Pollutants, Methane.
- metabolism : Plants.
- methods : Refuse Disposal.
- Biodegradation, Environmental, Kinetics, Oxidation-Reduction.
Abstract
Methane is an important greenhouse gas emitted from landfill sites and old waste dumps. Biological methane oxidation in landfill covers can help to reduce methane emissions. To determine the influence of different plant covers on this oxidation in a compost layer, we conducted a lysimeter study. We compared the effect of four different plant covers (grass, alfalfa+grass, miscanthus and black poplar) and of bare soil on the concentration of methane, carbon dioxide and oxygen in lysimeters filled with compost. Plants were essential for a sustainable reduction in methane concentrations, whereas in bare soil, methane oxidation declined already after 6 weeks. Enhanced microbial activity - expected in lysimeters with plants that were exposed to landfill gas - was supported by the increased temperature of the gas in the substrate and the higher methane oxidation potential. At the end of the first experimental year and from mid-April of the second experimental year, the methane concentration was most strongly reduced in the lysimeters containing alfalfa+grass, followed by poplar, miscanthus and grass. The observed differences probably reflect the different root morphology of the investigated plants, which influences oxygen transport to deeper compost layers and regulates the water content.
DOI: 10.1016/j.wasman.2010.08.027
PubMed: 20888746
Affiliations:
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Reichenauer</name><affiliation wicri:level="1"><nlm:affiliation>Health and Environment Department, Environmental Resources and Technologies, AIT - Austrian Institute of Technology GmbH, 2444 Seibersdorf, Austria. thomas.reichenauer@ait.ac.at</nlm:affiliation><country xml:lang="fr">Autriche</country><wicri:regionArea>Health and Environment Department, Environmental Resources and Technologies, AIT - Austrian Institute of Technology GmbH, 2444 Seibersdorf</wicri:regionArea><wicri:noRegion>2444 Seibersdorf</wicri:noRegion></affiliation></author><author><name sortKey="Watzinger, Andrea" sort="Watzinger, Andrea" uniqKey="Watzinger A" first="Andrea" last="Watzinger">Andrea Watzinger</name></author><author><name sortKey="Riesing, Johann" sort="Riesing, Johann" uniqKey="Riesing J" first="Johann" last="Riesing">Johann Riesing</name></author><author><name sortKey="Gerzabek, Martin H" sort="Gerzabek, Martin H" uniqKey="Gerzabek M" first="Martin H" last="Gerzabek">Martin H. 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Biological methane oxidation in landfill covers can help to reduce methane emissions. To determine the influence of different plant covers on this oxidation in a compost layer, we conducted a lysimeter study. We compared the effect of four different plant covers (grass, alfalfa+grass, miscanthus and black poplar) and of bare soil on the concentration of methane, carbon dioxide and oxygen in lysimeters filled with compost. Plants were essential for a sustainable reduction in methane concentrations, whereas in bare soil, methane oxidation declined already after 6 weeks. Enhanced microbial activity - expected in lysimeters with plants that were exposed to landfill gas - was supported by the increased temperature of the gas in the substrate and the higher methane oxidation potential. At the end of the first experimental year and from mid-April of the second experimental year, the methane concentration was most strongly reduced in the lysimeters containing alfalfa+grass, followed by poplar, miscanthus and grass. The observed differences probably reflect the different root morphology of the investigated plants, which influences oxygen transport to deeper compost layers and regulates the water content.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20888746</PMID><DateCompleted><Year>2011</Year><Month>06</Month><Day>22</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1879-2456</ISSN><JournalIssue CitedMedium="Internet"><Volume>31</Volume><Issue>5</Issue><PubDate><Year>2011</Year><Month>May</Month></PubDate></JournalIssue><Title>Waste management (New York, N.Y.)</Title><ISOAbbreviation>Waste Manag</ISOAbbreviation></Journal><ArticleTitle>Impact of different plants on the gas profile of a landfill cover.</ArticleTitle><Pagination><MedlinePgn>843-53</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.wasman.2010.08.027</ELocationID><Abstract><AbstractText>Methane is an important greenhouse gas emitted from landfill sites and old waste dumps. Biological methane oxidation in landfill covers can help to reduce methane emissions. To determine the influence of different plant covers on this oxidation in a compost layer, we conducted a lysimeter study. We compared the effect of four different plant covers (grass, alfalfa+grass, miscanthus and black poplar) and of bare soil on the concentration of methane, carbon dioxide and oxygen in lysimeters filled with compost. Plants were essential for a sustainable reduction in methane concentrations, whereas in bare soil, methane oxidation declined already after 6 weeks. Enhanced microbial activity - expected in lysimeters with plants that were exposed to landfill gas - was supported by the increased temperature of the gas in the substrate and the higher methane oxidation potential. At the end of the first experimental year and from mid-April of the second experimental year, the methane concentration was most strongly reduced in the lysimeters containing alfalfa+grass, followed by poplar, miscanthus and grass. The observed differences probably reflect the different root morphology of the investigated plants, which influences oxygen transport to deeper compost layers and regulates the water content.</AbstractText><CopyrightInformation>Copyright © 2010 Elsevier Ltd. 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Gerzabek</name><name sortKey="Riesing, Johann" sort="Riesing, Johann" uniqKey="Riesing J" first="Johann" last="Riesing">Johann Riesing</name><name sortKey="Watzinger, Andrea" sort="Watzinger, Andrea" uniqKey="Watzinger A" first="Andrea" last="Watzinger">Andrea Watzinger</name></noCountry><country name="Autriche"><noRegion><name sortKey="Reichenauer, Thomas G" sort="Reichenauer, Thomas G" uniqKey="Reichenauer T" first="Thomas G" last="Reichenauer">Thomas G. Reichenauer</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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