Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S0103-50532010000100014 http://hdl.handle.net/11449/41277 |
Resumo: | A procedure is presented for quantification of sources contributing to atmospheric aerosol chemical nutrient concentrations and dry deposition fluxes. Source apportionment using principal component analysis (PCA) and multiple linear regression analysis (MLRA) was followed by application of a size-segregated particle dry deposition model. In a rural region of southeast Brazil, biomass burning, products of secondary reactions, and soil dust re-suspension explained 43%, 31% and 21% of PM(2.5) mass, respectively. Re-suspension and biomass burning contributed 22% and 19%, respectively, to PM(10) mass, and re-suspension accounted for approximately half of the mass of coarse particles. At least 40% of NO(3)(-)-N, 20% of phosphorus and 55% of potassium deposited originated from agriculture-related emissions. Deposition to tropical forest is currently higher than the minimum under natural conditions by factors of 12.2 (N), 6.2 (P) and 2.6 (K). |
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Repositório Institucional da UNESP |
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2946 |
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Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrientsaerosolspollutiondepositionnutrientssource apportionmentA procedure is presented for quantification of sources contributing to atmospheric aerosol chemical nutrient concentrations and dry deposition fluxes. Source apportionment using principal component analysis (PCA) and multiple linear regression analysis (MLRA) was followed by application of a size-segregated particle dry deposition model. In a rural region of southeast Brazil, biomass burning, products of secondary reactions, and soil dust re-suspension explained 43%, 31% and 21% of PM(2.5) mass, respectively. Re-suspension and biomass burning contributed 22% and 19%, respectively, to PM(10) mass, and re-suspension accounted for approximately half of the mass of coarse particles. At least 40% of NO(3)(-)-N, 20% of phosphorus and 55% of potassium deposited originated from agriculture-related emissions. Deposition to tropical forest is currently higher than the minimum under natural conditions by factors of 12.2 (N), 6.2 (P) and 2.6 (K).Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)NERC, UKUniv Estadual Paulista, Inst Quim, BR-14801970 Araraquara, SP, BrazilUniv Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, EnglandUniv Estadual Paulista, Inst Quim, BR-14801970 Araraquara, SP, BrazilCNPq: 150547/2007-2FAPESP: 05/53001-8Soc Brasileira QuimicaUniversidade Estadual Paulista (Unesp)Univ BirminghamAllen, Andrew G. [UNESP]Cardoso, Arnaldo Alves [UNESP]Wiatr, Antony G.Machado, Cristine M. D. [UNESP]Paterlini, Willian C. [UNESP]Baker, Jacob2014-05-20T15:32:21Z2014-05-20T15:32:21Z2010-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article87-97http://dx.doi.org/10.1590/S0103-50532010000100014Journal of The Brazilian Chemical Society. São Paulo: Soc Brasileira Quimica, v. 21, n. 1, p. 87-97, 2010.0103-5053http://hdl.handle.net/11449/4127710.1590/S0103-50532010000100014S0103-50532010000100014WOS:000275106400013S0103-50532010000100014.pdf9165109840414837Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of the Brazilian Chemical Society1.4440,357info:eu-repo/semantics/openAccess2021-10-23T17:37:06Zoai:repositorio.unesp.br:11449/41277Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:45:21.360973Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
title |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
spellingShingle |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients Allen, Andrew G. [UNESP] aerosols pollution deposition nutrients source apportionment |
title_short |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
title_full |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
title_fullStr |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
title_full_unstemmed |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
title_sort |
Influence of Intensive Agriculture on Dry Deposition of Aerosol Nutrients |
author |
Allen, Andrew G. [UNESP] |
author_facet |
Allen, Andrew G. [UNESP] Cardoso, Arnaldo Alves [UNESP] Wiatr, Antony G. Machado, Cristine M. D. [UNESP] Paterlini, Willian C. [UNESP] Baker, Jacob |
author_role |
author |
author2 |
Cardoso, Arnaldo Alves [UNESP] Wiatr, Antony G. Machado, Cristine M. D. [UNESP] Paterlini, Willian C. [UNESP] Baker, Jacob |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Univ Birmingham |
dc.contributor.author.fl_str_mv |
Allen, Andrew G. [UNESP] Cardoso, Arnaldo Alves [UNESP] Wiatr, Antony G. Machado, Cristine M. D. [UNESP] Paterlini, Willian C. [UNESP] Baker, Jacob |
dc.subject.por.fl_str_mv |
aerosols pollution deposition nutrients source apportionment |
topic |
aerosols pollution deposition nutrients source apportionment |
description |
A procedure is presented for quantification of sources contributing to atmospheric aerosol chemical nutrient concentrations and dry deposition fluxes. Source apportionment using principal component analysis (PCA) and multiple linear regression analysis (MLRA) was followed by application of a size-segregated particle dry deposition model. In a rural region of southeast Brazil, biomass burning, products of secondary reactions, and soil dust re-suspension explained 43%, 31% and 21% of PM(2.5) mass, respectively. Re-suspension and biomass burning contributed 22% and 19%, respectively, to PM(10) mass, and re-suspension accounted for approximately half of the mass of coarse particles. At least 40% of NO(3)(-)-N, 20% of phosphorus and 55% of potassium deposited originated from agriculture-related emissions. Deposition to tropical forest is currently higher than the minimum under natural conditions by factors of 12.2 (N), 6.2 (P) and 2.6 (K). |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-01-01 2014-05-20T15:32:21Z 2014-05-20T15:32:21Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1590/S0103-50532010000100014 Journal of The Brazilian Chemical Society. São Paulo: Soc Brasileira Quimica, v. 21, n. 1, p. 87-97, 2010. 0103-5053 http://hdl.handle.net/11449/41277 10.1590/S0103-50532010000100014 S0103-50532010000100014 WOS:000275106400013 S0103-50532010000100014.pdf 9165109840414837 |
url |
http://dx.doi.org/10.1590/S0103-50532010000100014 http://hdl.handle.net/11449/41277 |
identifier_str_mv |
Journal of The Brazilian Chemical Society. São Paulo: Soc Brasileira Quimica, v. 21, n. 1, p. 87-97, 2010. 0103-5053 10.1590/S0103-50532010000100014 S0103-50532010000100014 WOS:000275106400013 S0103-50532010000100014.pdf 9165109840414837 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of the Brazilian Chemical Society 1.444 0,357 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
87-97 |
dc.publisher.none.fl_str_mv |
Soc Brasileira Quimica |
publisher.none.fl_str_mv |
Soc Brasileira Quimica |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129458863865856 |