Soil and biomass mercury emissions during a prescribed fire in the Amazonian rain forest

dc.contributorUniversidade Estadual de Campinas (UNICAMP)
dc.contributorUniversidade Estadual Paulista (Unesp)
dc.contributorUniversidade Federal de Minas Gerais (UFMG)
dc.contributorNatl Space Res Inst
dc.contributorCUNY John Jay Coll Criminal Justice
dc.creatorMelendez-Perez, Jose J.
dc.creatorFostier, Anne H.
dc.creatorCarvalho Junior, Joao Andrade de [UNESP]
dc.creatorWindmoeller, Claudia C.
dc.creatorSantos, Jose C.
dc.creatorCarpi, Anthony
dc.date2015-03-18T15:53:19Z
dc.date2015-03-18T15:53:19Z
dc.date2014-10-01
dc.date.accessioned2023-09-09T11:04:46Z
dc.date.available2023-09-09T11:04:46Z
dc.identifierhttp://dx.doi.org/10.1016/j.atmosenv.2014.06.032
dc.identifierAtmospheric Environment. Oxford: Pergamon-elsevier Science Ltd, v. 96, p. 415-422, 2014.
dc.identifier1352-2310
dc.identifierhttp://hdl.handle.net/11449/116441
dc.identifier10.1016/j.atmosenv.2014.06.032
dc.identifierWOS:000342247700042
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8765926
dc.descriptionMercury stored in forests can be volatilized to the atmosphere during fires. Many factors influence this process such as mercury concentration, vegetation loading and the soil temperature reached during the fire. We quantified mercury emissions from biomass and soil during a prescribed fire in Brazil using the difference in mercury burden in vegetation and soil before and after burning, and data were critically compared with those previously obtained in a similar experiment in another part of the Amazonia. The calculated mercury emission factor was 4.1 +/- 1.4 g Hg ha(-1), with the main part (78%) originating from litterfall and O-horizon, and only 14% associated with live biomass. When considering the fuel burned loading, the emission factor ranged from 40 to 53 mu g Hg kg(-1). Data were also obtained on soil temperature profile and on Hg speciation in soil in an effort to relate these parameters to Hg emissions. (C) 2014 Elsevier Ltd. All rights reserved.
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionUniv Estadual Campinas, UNICAMP, Inst Chem, BR-13083970 Campinas, SP, Brazil
dc.descriptionSao Paulo State Univ, UNESP, BR-12516410 Guaratingueta, SP, Brazil
dc.descriptionUniv Fed Minas Gerais, Dept Chem, BR-31270901 Belo Horizonte, MG, Brazil
dc.descriptionNatl Space Res Inst, INPE, BR-12630000 Cachoeira Paulista, SP, Brazil
dc.descriptionCUNY John Jay Coll Criminal Justice, Dept Sci, New York, NY 10019 USA
dc.descriptionSao Paulo State Univ, UNESP, BR-12516410 Guaratingueta, SP, Brazil
dc.descriptionFAPESP: 08/04490-4
dc.descriptionFAPESP: 10/19040-4
dc.format415-422
dc.languageeng
dc.publisherElsevier B.V.
dc.relationAtmospheric Environment
dc.relation3.708
dc.relation1,523
dc.rightsAcesso restrito
dc.sourceWeb of Science
dc.subjectForest fire
dc.subjectMercury emissions
dc.subjectAmazon
dc.titleSoil and biomass mercury emissions during a prescribed fire in the Amazonian rain forest
dc.typeArtigo


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