Bromine accumulation in acidic black colluvial soils

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

doi:10.1016/j.gca.2015.11.013

Bromine accumulation in acidic black colluvial soils

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

^*Corresponding author for this work

Archaeology

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Abstract

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

Original language	English
Pages (from-to)	143-155
Number of pages	13
Journal	Geochimica et Cosmochimica Acta
Volume	174
Early online date	23 Nov 2015
DOIs	https://doi.org/10.1016/j.gca.2015.11.013
Publication status	Published - 1 Feb 2016

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title = "Bromine accumulation in acidic black colluvial soils",

abstract = "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",

author = "Cortizas, {Antonio Mart{\'i}nez} and V{\'a}zquez, {Cruz Ferro} and Joeri Kaal and Harald Biester and Casais, {Manuela Costa} and Rodr{\'i}guez, {Teresa Taboada} and Lado, {Luis Rodr{\'i}guez}",

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T1 - Bromine accumulation in acidic black colluvial soils

AU - Cortizas, Antonio Martínez

AU - Vázquez, Cruz Ferro

AU - Kaal, Joeri

AU - Biester, Harald

AU - Casais, Manuela Costa

AU - Rodríguez, Teresa Taboada

AU - Lado, Luis Rodríguez

PY - 2016/2/1

Y1 - 2016/2/1

N2 - 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

AB - 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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DO - 10.1016/j.gca.2015.11.013

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JO - Geochimica et Cosmochimica Acta

JF - Geochimica et Cosmochimica Acta

SN - 0016-7037

ER -

Bromine accumulation in acidic black colluvial soils

Abstract

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