Dynamic of the structural alteration of biochar in ancient Anthrosol over a long timescale by Raman spectroscopy

• Daniel Vieira de Sousa ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: daniel.vsousa@univasf.edu.br

  Affiliation College of Geography, Federal University of São Francisco Valley, Senhor do Bonfim, Bahia, Brazil

  http://orcid.org/0000-0002-3647-2945

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• Luciano Moura Guimarães,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Software, Validation, Writing – review & editing

  Affiliation Physics Department, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil

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• Jorlandio Francisco Félix,

  Roles Investigation, Methodology, Software, Validation, Visualization, Writing – review & editing

  Affiliation Institute of Physics, University of Brasilia, Brasilia, Federal District, Brazil

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• João Carlos Ker,

  Roles Formal analysis, Funding acquisition, Methodology, Resources, Supervision, Writing – review & editing

  Affiliation Department of Soils, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil

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• Carlos Ernesto R. G. Schaefer,

  Roles Funding acquisition, Investigation, Methodology, Supervision, Writing – review & editing

  Affiliation Department of Soils, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil

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• Maria Jacqueline Rodet

  Roles Conceptualization, Investigation, Visualization, Writing – review & editing

  Affiliation Archaeology Department, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil

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