Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)

Oliva, S. T.; Botelho, Maria de Lourdes; Silva, C. M. A.; Tavares, Tânia Mascarenhas; Kesselmeier, J.; Kuhn, U.; Rottenberger, S.; Biesenthal, T.; Wolf, A.; Schebeske, G.; Andreae, M. O.; Ciccioli, P.; Brancaleoni, E.; Frattoni, M.

Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)

Detalhes bibliográficos
Autor(a) principal:	Oliva, S. T.
Data de Publicação:	2002
Outros Autores:	Botelho, Maria de Lourdes, Silva, C. M. A., Tavares, Tânia Mascarenhas, Kesselmeier, J., Kuhn, U., Rottenberger, S., Biesenthal, T., Wolf, A., Schebeske, G., Andreae, M. O., Ciccioli, P., Brancaleoni, E., Frattoni, M.
Tipo de documento:	Artigo
Idioma:	eng
Título da fonte:	Repositório Institucional da UFBA
Texto Completo:	http://repositorio.ufba.br/ri/handle/ri/14376
Resumo:	Texto completo: acesso restrito. p. 1-13

Metadados do item

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spelling	Oliva, S. T.Botelho, Maria de LourdesSilva, C. M. A.Tavares, Tânia MascarenhasKesselmeier, J.Kuhn, U.Rottenberger, S.Biesenthal, T.Wolf, A.Schebeske, G.Andreae, M. O.Ciccioli, P.Brancaleoni, E.Frattoni, M.Oliva, S. T.Botelho, Maria de LourdesSilva, C. M. A.Tavares, Tânia MascarenhasKesselmeier, J.Kuhn, U.Rottenberger, S.Biesenthal, T.Wolf, A.Schebeske, G.Andreae, M. O.Ciccioli, P.Brancaleoni, E.Frattoni, M.2014-01-20T13:26:23Z20022169-897Xhttp://repositorio.ufba.br/ri/handle/ri/14376v. 107, n. 20Texto completo: acesso restrito. p. 1-13We measured atmospheric gas-phase volatile organic compounds (VOCs) at the end of the wet and end of the dry season at a tropical rainforest site in Rondônia, Brazil, using various sampling techniques such as trapping on different adsorbents or cryogenic trapping combined with appropriate analysis techniques. The measuring sites were located inside the forest of a biological reserve near Ji-Paraná. Sampling was performed from 3 May 1999 to 17 May 1999 and from 24 September 1999 to 2 November 1999 during the “wet-to-dry season transition” and “dry-to-wet season transition” periods in Rondônia, respectively. Samples were obtained at the canopy top close to the potential sources/sinks for these compounds as well as above the forest. We report the measured concentrations of a large number of different VOCs and their oxidation products, such as isoprenoids, organic acids, carbonyls, aromatics, and alcohols. The most prominent VOCs present in air over the last part of the wet season were isoprene, formaldehyde, and formic acid, with mixing ratios of each ranging up to several parts per billion (ppb). Methyl vinyl ketone as well as methacrolein, both oxidation products of isoprene, ranged around 1 ppb. The sum of the measured monoterpene concentrations was below 1 ppb. At the end of the dry season, the amount of C1–C2 organic acids and C1–C2 aldehydes increased significantly up to 17 and 25 ppb, respectively, which is thought to result significantly from vegetation fire emissions. High methanol concentrations also support this scenario. At the same time, however, atmospheric mixing ratios of biogenic compounds such as isoprene increased up to 30 ppb near the crown region and well above 10 ppb at 10–20 m over the forest, whereas monoterpene species seem to decrease. We discuss seasonal development of the vegetation and climatological factors to be responsible for such concentration pattern. The results give an impression about the variability and concentration of VOCs during the different seasons.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-01-20T13:26:23Z No. of bitstreams: 1 S. T. Oliva.pdf: 814795 bytes, checksum: d4f6f77bb2a5411243189df225dc06a2 (MD5)Made available in DSpace on 2014-01-20T13:26:23Z (GMT). No. of bitstreams: 1 S. T. Oliva.pdf: 814795 bytes, checksum: d4f6f77bb2a5411243189df225dc06a2 (MD5) Previous issue date: 2002http://dx.doi.org/ 10.1029/2000JD000267reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAVolatile organic compoundsIsopreneMonoterpenesAcidsCarbonylsConcentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)Journal of Geophysical Research: Atmospheresinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengLICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/14376/2/license.txtff6eaa8b858ea317fded99f125f5fcd0MD52ORIGINALS. T. Oliva.pdfS. T. Oliva.pdfapplication/pdf814795https://repositorio.ufba.br/bitstream/ri/14376/1/S.%20T.%20Oliva.pdfd4f6f77bb2a5411243189df225dc06a2MD51TEXTS. T. Oliva.pdf.txtS. T. 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dc.title.pt_BR.fl_str_mv	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
dc.title.alternative.pt_BR.fl_str_mv	Journal of Geophysical Research: Atmospheres
title	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
spellingShingle	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia) Oliva, S. T. Volatile organic compounds Isoprene Monoterpenes Acids Carbonyls
title_short	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
title_full	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
title_fullStr	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
title_full_unstemmed	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
title_sort	Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)
author	Oliva, S. T.
author_facet	Oliva, S. T. Botelho, Maria de Lourdes Silva, C. M. A. Tavares, Tânia Mascarenhas Kesselmeier, J. Kuhn, U. Rottenberger, S. Biesenthal, T. Wolf, A. Schebeske, G. Andreae, M. O. Ciccioli, P. Brancaleoni, E. Frattoni, M.
author_role	author
author2	Botelho, Maria de Lourdes Silva, C. M. A. Tavares, Tânia Mascarenhas Kesselmeier, J. Kuhn, U. Rottenberger, S. Biesenthal, T. Wolf, A. Schebeske, G. Andreae, M. O. Ciccioli, P. Brancaleoni, E. Frattoni, M.
author2_role	author author author author author author author author author author author author author
dc.contributor.author.fl_str_mv	Oliva, S. T. Botelho, Maria de Lourdes Silva, C. M. A. Tavares, Tânia Mascarenhas Kesselmeier, J. Kuhn, U. Rottenberger, S. Biesenthal, T. Wolf, A. Schebeske, G. Andreae, M. O. Ciccioli, P. Brancaleoni, E. Frattoni, M. Oliva, S. T. Botelho, Maria de Lourdes Silva, C. M. A. Tavares, Tânia Mascarenhas Kesselmeier, J. Kuhn, U. Rottenberger, S. Biesenthal, T. Wolf, A. Schebeske, G. Andreae, M. O. Ciccioli, P. Brancaleoni, E. Frattoni, M.
dc.subject.por.fl_str_mv	Volatile organic compounds Isoprene Monoterpenes Acids Carbonyls
topic	Volatile organic compounds Isoprene Monoterpenes Acids Carbonyls
description	Texto completo: acesso restrito. p. 1-13
publishDate	2002
dc.date.issued.fl_str_mv	2002
dc.date.accessioned.fl_str_mv	2014-01-20T13:26:23Z
dc.type.status.fl_str_mv	info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv	info:eu-repo/semantics/article
format	article
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dc.identifier.uri.fl_str_mv	http://repositorio.ufba.br/ri/handle/ri/14376
dc.identifier.issn.none.fl_str_mv	2169-897X
dc.identifier.number.pt_BR.fl_str_mv	v. 107, n. 20
identifier_str_mv	2169-897X v. 107, n. 20
url	http://repositorio.ufba.br/ri/handle/ri/14376
dc.language.iso.fl_str_mv	eng
language	eng
dc.rights.driver.fl_str_mv	info:eu-repo/semantics/openAccess
eu_rights_str_mv	openAccess
dc.source.pt_BR.fl_str_mv	http://dx.doi.org/ 10.1029/2000JD000267
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Concentrations and species composition of atmospheric volatile organic compounds (VOCs) as observed during the wet and dry season in Rondoˆnia (Amazonia)

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