By the same authors

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Bromine accumulation in acidic black colluvial soils

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Published copy (DOI)


  • Antonio Martínez Cortizas
  • Cruz Ferro Vázquez
  • Joeri Kaal
  • Harald Biester
  • Manuela Costa Casais
  • Teresa Taboada Rodríguez
  • Luis Rodríguez Lado


Publication details

JournalGeochimica et Cosmochimica Acta
DateAccepted/In press - 18 Nov 2015
DateE-pub ahead of print - 23 Nov 2015
DatePublished (current) - 1 Feb 2016
Number of pages13
Pages (from-to)143-155
Early online date23/11/15
Original languageEnglish


Recent investigations showed that bromine is incorporated to soil organic matter (SOM), its content increasing with humification. But few research was done on its long-term accumulation and the role played by pedogenetic processes, as those involved in organic matter stabilization. We investigated bromine content and distribution in four deep, acidic, organic-rich, Holocene soils from an oceanic area of Western Europe. Bromine concentrations (93-778μgg-1) in the silt+clay (-1) in the fine earth (-2, indicating a rather large variability in a small area, and total estimated retention was low (6-16%). The degree of SOM bromination, expressed as the Br/C molar ratio, varied between 0.03 and 1.20mmol Br/mol C. The ratio was highly correlated (n=23, r2 0.88, p

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