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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
18/07/2011 |
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Data da última atualização: |
18/07/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MIRLEAN, N.; VANZ, A.; BAISCH, P. |
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Afiliação: |
Epagri |
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Título: |
Niveis e origem da acidificação das chuvas na região do Rio Grande, RS. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Quimica Nova, São Paulo, v. 23, n. 5, p. 590-593, 2000. |
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Idioma: |
Português |
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Notas: |
ISSN, 0100-4042 |
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Conteúdo: |
The current article presents the first data on physical-chemical parameters of wet
precipitation collected at single collection point in the city of Rio Grande, during the period of 12 months in 1997-1998. The employed technique of rainwater separation into several portions made clear the process of the atmosphere self-purification during a precipitation event. The pH of rainwater depends on the extent of industrial emissions and increases during a precipitation event. The first portion of rainwater shows an obvious neutralizing effect of soil and ocean-derived components, whose intensity depends on the duration of the preceding dry period.
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Palavras-Chave: |
Acidification; Industrial emissions; Keywords: Precipitation. |
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Categoria do assunto: |
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Marc: |
LEADER 01134naa a2200169 a 4500
001 1078389
005 2011-07-18
008 2000 bl uuuu u00u1 u #d
100 1 $aEpagri
245 $aNiveis e origem da acidificação das chuvas na região do Rio Grande, RS.
260 $c2000
500 $aISSN, 0100-4042
520 $aThe current article presents the first data on physical-chemical parameters of wet precipitation collected at single collection point in the city of Rio Grande, during the period of 12 months in 1997-1998. The employed technique of rainwater separation into several portions made clear the process of the atmosphere self-purification during a precipitation event. The pH of rainwater depends on the extent of industrial emissions and increases during a precipitation event. The first portion of rainwater shows an obvious neutralizing effect of soil and ocean-derived components, whose intensity depends on the duration of the preceding dry period.
653 $aAcidification
653 $aIndustrial emissions
653 $aKeywords: Precipitation
773 $tQuimica Nova, São Paulo$gv. 23, n. 5, p. 590-593, 2000.
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