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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/46522
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dc.creatorSugandha Dogra Pandeypt_BR
dc.creatorLeonardo Cristian Rochapt_BR
dc.creatorGabriel Pereirapt_BR
dc.creatorCamila Deschampspt_BR
dc.creatorJoão Luiz Elias Campospt_BR
dc.creatorNewton Paulo de Souza Falcãopt_BR
dc.creatorAndré Pierre Prouspt_BR
dc.creatorAdo Jorio de Vasconcelospt_BR
dc.date.accessioned2022-10-24T13:27:09Z-
dc.date.available2022-10-24T13:27:09Z-
dc.date.issued2020-
dc.citation.volume194pt_BR
dc.citation.spage1pt_BR
dc.citation.epage9pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.catena.2020.104687pt_BR
dc.identifier.issn03418162pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/46522-
dc.description.resumoDriving practices of Amazon native inhabitants are an example of positive feedback in carbon storage acting as a key element in soil fertility and stability. The anthropogenic Amazonian Terra Preta do Índio (Indian Dark Earth) soils are rich in pyrogenic black carbon and the Rio Negro (Black River) also exhibits plentiful apparently similar black-carbon particles. In this context, we characterized the structural, morphological and elemental properties of the long-lived stable carbon-based structures present in sediments of the Amazonian Rio Negro and in two Terra Preta do Índio soils from two different geographic regions. Optical microscopy, Raman spectroscopy,scanning electron microscopy and energy dispersive X-ray spectroscopy techniques are utilized. The structural analysis displayed that these carbon structures exhibit similar nanocrystallite structures, despite their different geographic location and environment. The Terra Preta do Índio-carbons are however, more defective and the quantitative elemental analyzes indicate they have greater variety of nutrients, such as P and Ca, than Rio Negro sediment-carbons.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICX - DEPARTAMENTO DE FÍSICApt_BR
dc.publisher.departmentIGC - INSTITUTO DE GEOCIENCIASpt_BR
dc.publisher.departmentMHN - MUSEU DE HISTORIA NATURALpt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofCatenapt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectTerra preta de índiopt_BR
dc.subjectRio Negropt_BR
dc.subjectCarbonpt_BR
dc.subjectRaman spectroscopypt_BR
dc.subjectScanning electron microscopypt_BR
dc.subjectEnergy dispersive x-ray spectroscopypt_BR
dc.subject.otherCarbonopt_BR
dc.subject.otherEspectroscopia de Ramanpt_BR
dc.titleProperties of carbon particles in archeological and natural Amazon rainforest soilspt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.sciencedirect.com/science/article/pii/S034181622030237Xpt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-3123-2245pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-3123-2245pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-8071-0525pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-8071-0525pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-5579-0861pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-5579-0861pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5978-2735pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5978-2735pt_BR
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