Articles | Volume 13, issue 12
Biogeosciences, 13, 3833–3846, 2016
https://doi.org/10.5194/bg-13-3833-2016
Biogeosciences, 13, 3833–3846, 2016
https://doi.org/10.5194/bg-13-3833-2016

Research article 01 Jul 2016

Research article | 01 Jul 2016

Identification and analysis of low-molecular-weight dissolved organic carbon in subglacial basal ice ecosystems by ion chromatography

Emily C. O'Donnell et al.

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Short summary
We use a novel ion chromatographic analysis that provides the first identification and quantification of major low-molecular-weight dissolved organic carbon (LMW-DOC) compounds in basal ice. LMW-DOC concentrations were dependent on the bioavailability of the overridden organic carbon, which in turn was influenced by the type of overridden material. The overridden material may thus act as a direct (abiotic leaching) and indirect (microbial cycling) source of DOC to the subglacial environment.
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