Long term measurements of the elemental composition and optical properties of aerosols in Amazonia

Detalhes bibliográficos
Autor(a) principal: Arana, Andréa A.
Data de Publicação: 2013
Outros Autores: Artaxo, Paulo, Rizzo, L. V., Bastos, Wanderlei
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional do INPA
Texto Completo: https://repositorio.inpa.gov.br/handle/1/19963
Resumo: Aerosols are being collected and analyzed for trace elements in two sites in Amazonia since January 2008. On eof the site, Manaus is located in a very pristine area in Central Amazonia. The site is nt affected directly by any urban plume for thousands of kilometers. A second site is located in Porto Velho, in a region with heavy land use change and deforestation. Optical properties (light scattering ad absorption) are also being measured in order to study the climatic impact of aerosols. It was observed a clear seasonal pattern for both sites, with higher concentrations in the dry season. But the difference in seasonal concentrations observed for Porto Velho is much larger due to stronger anthropogenic influences. In Manaus during the wet season, very low concentrations of heavy metals, maybe the smallest measured in continental regions are reported. Positive Matrix Factorization (PMF) was used to separate the different aerosol components. In general, for fine and coarse mode and wet and dry season, 3 aerosol components could be observed: 1) Natural biogenic aerosol; 2) biomass burning component; 3) Soil dust both locally and long range transported Sahara dust. © Owned by the authors, published by EDP Sciences, 2013.
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spelling Arana, Andréa A.Artaxo, PauloRizzo, L. V.Bastos, Wanderlei2020-06-16T15:57:54Z2020-06-16T15:57:54Z2013https://repositorio.inpa.gov.br/handle/1/1996310.1051/e3sconf/20130103005Aerosols are being collected and analyzed for trace elements in two sites in Amazonia since January 2008. On eof the site, Manaus is located in a very pristine area in Central Amazonia. The site is nt affected directly by any urban plume for thousands of kilometers. A second site is located in Porto Velho, in a region with heavy land use change and deforestation. Optical properties (light scattering ad absorption) are also being measured in order to study the climatic impact of aerosols. It was observed a clear seasonal pattern for both sites, with higher concentrations in the dry season. But the difference in seasonal concentrations observed for Porto Velho is much larger due to stronger anthropogenic influences. In Manaus during the wet season, very low concentrations of heavy metals, maybe the smallest measured in continental regions are reported. Positive Matrix Factorization (PMF) was used to separate the different aerosol components. In general, for fine and coarse mode and wet and dry season, 3 aerosol components could be observed: 1) Natural biogenic aerosol; 2) biomass burning component; 3) Soil dust both locally and long range transported Sahara dust. © Owned by the authors, published by EDP Sciences, 2013.E3S Web of ConferencesVolume 1Attribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessLong term measurements of the elemental composition and optical properties of aerosols in Amazoniainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectengreponame:Repositório Institucional do INPAinstname:Instituto Nacional de Pesquisas da Amazônia (INPA)instacron:INPAORIGINALconferencia-inpa.pdfconferencia-inpa.pdfapplication/pdf552699https://repositorio.inpa.gov.br/bitstream/1/19963/1/conferencia-inpa.pdfd99357508a3959b915f7f5f620cabe63MD511/199632020-06-16 12:01:36.393oai:repositorio:1/19963Repositório de PublicaçõesPUBhttps://repositorio.inpa.gov.br/oai/requestopendoar:2020-06-16T16:01:36Repositório Institucional do INPA - Instituto Nacional de Pesquisas da Amazônia (INPA)false
dc.title.en.fl_str_mv Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
title Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
spellingShingle Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
Arana, Andréa A.
title_short Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
title_full Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
title_fullStr Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
title_full_unstemmed Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
title_sort Long term measurements of the elemental composition and optical properties of aerosols in Amazonia
author Arana, Andréa A.
author_facet Arana, Andréa A.
Artaxo, Paulo
Rizzo, L. V.
Bastos, Wanderlei
author_role author
author2 Artaxo, Paulo
Rizzo, L. V.
Bastos, Wanderlei
author2_role author
author
author
dc.contributor.author.fl_str_mv Arana, Andréa A.
Artaxo, Paulo
Rizzo, L. V.
Bastos, Wanderlei
description Aerosols are being collected and analyzed for trace elements in two sites in Amazonia since January 2008. On eof the site, Manaus is located in a very pristine area in Central Amazonia. The site is nt affected directly by any urban plume for thousands of kilometers. A second site is located in Porto Velho, in a region with heavy land use change and deforestation. Optical properties (light scattering ad absorption) are also being measured in order to study the climatic impact of aerosols. It was observed a clear seasonal pattern for both sites, with higher concentrations in the dry season. But the difference in seasonal concentrations observed for Porto Velho is much larger due to stronger anthropogenic influences. In Manaus during the wet season, very low concentrations of heavy metals, maybe the smallest measured in continental regions are reported. Positive Matrix Factorization (PMF) was used to separate the different aerosol components. In general, for fine and coarse mode and wet and dry season, 3 aerosol components could be observed: 1) Natural biogenic aerosol; 2) biomass burning component; 3) Soil dust both locally and long range transported Sahara dust. © Owned by the authors, published by EDP Sciences, 2013.
publishDate 2013
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2020-06-16T15:57:54Z
dc.date.available.fl_str_mv 2020-06-16T15:57:54Z
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dc.identifier.doi.none.fl_str_mv 10.1051/e3sconf/20130103005
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dc.publisher.none.fl_str_mv E3S Web of Conferences
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