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Registro Completo
Biblioteca(s): |
Embrapa Pantanal. |
Data corrente: |
16/07/2014 |
Data da última atualização: |
11/02/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
BERGIER, I.; RAMOS, F. M.; BAMBACE, L. A. W. |
Afiliação: |
IVAN BERGIER TAVARES DE LIMA, CPAP; FERNANDO M. RAMOS, INPE; LUIS A. W. BAMBACE, INPE. |
Título: |
Dam reservoirs role in carbon dynamics requires contextual landscape ecohydrology. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Environmental Monitoring and Assessment, v. 186, n. 10, p. 5985-5988, october 2014. |
ISSN: |
1573-2959 |
DOI: |
10.1007/s10661-014-3834-2 |
Idioma: |
Inglês |
Conteúdo: |
The recent article by Narvenkar et al. (2013) presents new dissolved methane profiles in the water column of eight dam reservoirs in India. The authors indicate that dissolved methane concentration is relatively low when
compared to that of tropical reservoirs in South America, particularly those located in the Amazon region (Abril et al. 2005; Guérin et al. 2006). In general, the authors conclude that methane emissions from these
reservoirs might be substantially lower than previously estimated (Lima et al. 2008) because (i) most of the methane accumulated in the hypolimnion can be oxidized by methanotrophic bacteria in upper layers, (ii) the
water intake of dam outflows is usually well above the hypolimnion, and (iii) despite water intake reaches the hypolimnion in some cases, the concentration of methane in the outflow water is negligible. |
Palavras-Chave: |
Ecohydrology; Greenhouse gas emission. |
Thesaurus NAL: |
methane. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01471naa a2200205 a 4500 001 1990716 005 2015-02-11 008 2014 bl --- 0-- u #d 022 $a1573-2959 024 7 $a10.1007/s10661-014-3834-2$2DOI 100 1 $aBERGIER, I. 245 $aDam reservoirs role in carbon dynamics requires contextual landscape ecohydrology. 260 $c2014 520 $aThe recent article by Narvenkar et al. (2013) presents new dissolved methane profiles in the water column of eight dam reservoirs in India. The authors indicate that dissolved methane concentration is relatively low when compared to that of tropical reservoirs in South America, particularly those located in the Amazon region (Abril et al. 2005; Guérin et al. 2006). In general, the authors conclude that methane emissions from these reservoirs might be substantially lower than previously estimated (Lima et al. 2008) because (i) most of the methane accumulated in the hypolimnion can be oxidized by methanotrophic bacteria in upper layers, (ii) the water intake of dam outflows is usually well above the hypolimnion, and (iii) despite water intake reaches the hypolimnion in some cases, the concentration of methane in the outflow water is negligible. 650 $amethane 653 $aEcohydrology 653 $aGreenhouse gas emission 700 1 $aRAMOS, F. M. 700 1 $aBAMBACE, L. A. W. 773 $tEnvironmental Monitoring and Assessment$gv. 186, n. 10, p. 5985-5988, october 2014.
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