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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
13/09/2021 |
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Data da última atualização: |
10/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORAIS, C. P. de; TADINI, A. M.; BENTO, L. R.; OURSEL, B.; GUIMARÃES, F. E. G.; MARTIN NETO, L.; MOUNIER, S.; MILORI, D. M. B. P. |
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Afiliação: |
LADISLAU MARTIN NETO, CNPDIA; DEBORA MARCONDES BASTOS PEREIRA, CNPDIA. |
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Título: |
Assessing extracted organic matter quality from river sediments by elemental and molecular characterization: Application to the Tietê and Piracicaba Rivers (São Paulo, Brazil). |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Applied Geochemistry, v. 131, 105049, 2021. |
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Páginas: |
1 - 11 |
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ISSN: |
0883-2927 |
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DOI: |
https://doi.org/10.1016/j.apgeochem.2021.105049 |
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Idioma: |
Inglês |
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Conteúdo: |
Urban river pollution causes serious problems to the environment, human health, and water scarcity. Developing tools to identify and assess the health of aquatic river systems is essential for monitoring the quality of rivers and implementing actions. This study assesses the elemental and molecular characteristics of organic matter (OM) extracted from river sediments and associates them with river quality. To assess the quality of sediment cores, the most reactive and available OM from two urban rivers (Tietˆe and Piracicaba Rivers, S˜ ao Paulo, Brazil) was isolated with alkaline and water solutions. It was then characterized by elemental composition, ultraviolet–visible spectroscopy, and fluorescence excitation-emission matrix with parallel factor analysis. The average yield of alkaline extraction was 40.71% ± 5.52% of OM present in the bulk sediments. Extracted organic matter from sediments (EOMSed) from the Tietˆe River presented the highest average concentrations of nonpurgeable organic carbon (NPOC) and total organic nitrogen (TON), and the lowest average NPOC/TON molar ratios and specific UV absorbance at 254 nm (SUVA254). Considering the high degree of eutrophication in the Tietˆe River, these results suggest a greater input of simple OM with nitrogenous structures. The humic-like component in EOMSed was the most abundant in both rivers. The aromaticity of EOMSed from the Piracicaba River was evidenced by the greater contribution of complex structures in the form of aromatic and polyaromatic moieties and higher SUVA254. EOMSed from the Tietˆe River also featured enhanced biological activity due to the greater contribution of microbial-derived products and the presence of small molecules and nitrogenous structures. As this combination of elemental and spectroscopic techniques successfully identified the characteristics of extracted OM, it can be used as a tool to assess the global river quality MenosUrban river pollution causes serious problems to the environment, human health, and water scarcity. Developing tools to identify and assess the health of aquatic river systems is essential for monitoring the quality of rivers and implementing actions. This study assesses the elemental and molecular characteristics of organic matter (OM) extracted from river sediments and associates them with river quality. To assess the quality of sediment cores, the most reactive and available OM from two urban rivers (Tietˆe and Piracicaba Rivers, S˜ ao Paulo, Brazil) was isolated with alkaline and water solutions. It was then characterized by elemental composition, ultraviolet–visible spectroscopy, and fluorescence excitation-emission matrix with parallel factor analysis. The average yield of alkaline extraction was 40.71% ± 5.52% of OM present in the bulk sediments. Extracted organic matter from sediments (EOMSed) from the Tietˆe River presented the highest average concentrations of nonpurgeable organic carbon (NPOC) and total organic nitrogen (TON), and the lowest average NPOC/TON molar ratios and specific UV absorbance at 254 nm (SUVA254). Considering the high degree of eutrophication in the Tietˆe River, these results suggest a greater input of simple OM with nitrogenous structures. The humic-like component in EOMSed was the most abundant in both rivers. The aromaticity of EOMSed from the Piracicaba River was evidenced by the greater contribution of complex structures in the form of a... Mostrar Tudo |
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Palavras-Chave: |
Extracted organic matter; Parallel factor analysis; River sediments. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02863naa a2200277 a 4500
001 2134308
005 2022-06-10
008 2021 bl uuuu u00u1 u #d
022 $a0883-2927
024 7 $ahttps://doi.org/10.1016/j.apgeochem.2021.105049$2DOI
100 1 $aMORAIS, C. P. de
245 $aAssessing extracted organic matter quality from river sediments by elemental and molecular characterization$bApplication to the Tietê and Piracicaba Rivers (São Paulo, Brazil).$h[electronic resource]
260 $c2021
300 $a1 - 11
520 $aUrban river pollution causes serious problems to the environment, human health, and water scarcity. Developing tools to identify and assess the health of aquatic river systems is essential for monitoring the quality of rivers and implementing actions. This study assesses the elemental and molecular characteristics of organic matter (OM) extracted from river sediments and associates them with river quality. To assess the quality of sediment cores, the most reactive and available OM from two urban rivers (Tietˆe and Piracicaba Rivers, S˜ ao Paulo, Brazil) was isolated with alkaline and water solutions. It was then characterized by elemental composition, ultraviolet–visible spectroscopy, and fluorescence excitation-emission matrix with parallel factor analysis. The average yield of alkaline extraction was 40.71% ± 5.52% of OM present in the bulk sediments. Extracted organic matter from sediments (EOMSed) from the Tietˆe River presented the highest average concentrations of nonpurgeable organic carbon (NPOC) and total organic nitrogen (TON), and the lowest average NPOC/TON molar ratios and specific UV absorbance at 254 nm (SUVA254). Considering the high degree of eutrophication in the Tietˆe River, these results suggest a greater input of simple OM with nitrogenous structures. The humic-like component in EOMSed was the most abundant in both rivers. The aromaticity of EOMSed from the Piracicaba River was evidenced by the greater contribution of complex structures in the form of aromatic and polyaromatic moieties and higher SUVA254. EOMSed from the Tietˆe River also featured enhanced biological activity due to the greater contribution of microbial-derived products and the presence of small molecules and nitrogenous structures. As this combination of elemental and spectroscopic techniques successfully identified the characteristics of extracted OM, it can be used as a tool to assess the global river quality
653 $aExtracted organic matter
653 $aParallel factor analysis
653 $aRiver sediments
700 1 $aTADINI, A. M.
700 1 $aBENTO, L. R.
700 1 $aOURSEL, B.
700 1 $aGUIMARÃES, F. E. G.
700 1 $aMARTIN NETO, L.
700 1 $aMOUNIER, S.
700 1 $aMILORI, D. M. B. P.
773 $tApplied Geochemistry$gv. 131, 105049, 2021.
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Embrapa Instrumentação (CNPDIA) |
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| Registros recuperados : 9 | |
| 1. |  | PITHAN, P. A.; ARRUDA, D. C.; GARRIDO, L. da R.; DUCATI, J. R. Avaliação espectral de doenças fúngicas em videiras. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA, 16.; ENCONTRO DE PÓS-GRADUANDOS DA EMBRAPA UVA E VINHO, 12., 2018, Bento Gonçalves. Anais... Bento Gonçalves, RS: Embrapa Uva e Vinho, 26 a 27 de setembro de 2018. p. 18.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 3. | | ARRUDA, D. C. de; BORTOLOTTO, V. C.; HOFF, R.; DUCATI, J. R. Identidade espectral entre cultivares de uvas viníferas em duas regiões da Campanha Gaúcha. In: CONGRESSO BRASILEIRO DE CARTOGRAFIA, 26.; CONGRESSO BRASILEIRO DE GEOPROCESSAMENTO, 5.; EXPOSICARTA, 25., 2014, Gramado, RS. Mapas conectando o Brasil e a América do Sul: anais. Rio de Janeiro: Sociedade Brasileira de Cartografia, Geodésia, Fotogrametria e Sensoriamento Remoto, 2014.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 5. | | ARRUDA, D. C.; THUM, A. B.; DUCATI, J. R.; BORTOLOTTO, V. C.; HOFF, R. Diferenciação espectral de cultivares de Vitis vinifera em quatro regiões do Rio Grande do Sul, Brasil. In: CONGRESSO LATINO-AMERICANO DE VITICULTURA E ENOLOGIA, 15.; CONGRESSO BRASILEIRO DE VITICULTURA E ENOLOGIA, 13., 2015, Bento Gonçalves. Resumos... Bento Gonçalves: Embrapa Uva e Vinho: Associação Brasileira de Enologia, 2015. p. 528. XV Congresso Latino-Americano de Viticultura e Enologia E XIII Congresso Brasileiro de Viticultura e Enologia. Bento Gonçalves-RS, 3 a 7 de Novembro de 2015.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 6. | | PITHAN, P. A.; GARRIDO, L. da R.; ARRUDA, D. C.; THUM, A. B.; HOFF, R. Spectral characterization of fungal diseases downy mildew, powdery mildew, black-foot and Petri disease on Vitis vinifera leaves. International Journal of Remote Sensing, v. 42, p. 5680-5697, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 8. | | PITHAN, P. A.; DUCATI, J. R.; GARRIDO, L. da R.; ARRUDA, D. C. DE; HOFF, R.; THUM, A. B. Caracterização de doenças fúngicas de Vitis vinifera por radiometria espectral. In: BASSOI, L. H.; BERNARDI, A. C. de C.; VAZ, C. M. P.; PIRES, J. L. F.; GEBLER, L.; JORGE, L. A. de C.; INAMASU, R. Y. (ed.). Agricultura de precisão: um novo olhar na era digital. São Carlos, SP: Cubo, 2024. seção 1, cap. 27, p. 260-271.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 9. | | VIEL, J. A.; ARRUDA, D. C. de; BERRETA, M. dos S. R.; FANTIN, M. L.; FARIAS, A. R.; HOFF, R. Geotecnologias e aprendizagem espacial em ambiente educacional: o mapeamento de nascentes utilizando técnicas de geoprocessamento por meio de softwares livres. In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 16., 2013, Foz do Iguaçu. Anais... São José dos Campos: INPE, 2013. p. 2650-2656.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| Registros recuperados : 9 | |
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