Articles | Volume 17, issue 8
Biogeosciences, 17, 2169–2180, 2020
https://doi.org/10.5194/bg-17-2169-2020
Biogeosciences, 17, 2169–2180, 2020
https://doi.org/10.5194/bg-17-2169-2020

Research article 20 Apr 2020

Research article | 20 Apr 2020

Understanding the effects of early degradation on isotopic tracers: implications for sediment source attribution using compound-specific isotope analysis (CSIA)

Pranav Hirave et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (13 Dec 2019) by Aninda Mazumdar
AR by Pranav Hirave on behalf of the Authors (21 Jan 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Jan 2020) by Aninda Mazumdar
RR by Anonymous Referee #1 (16 Mar 2020)
ED: Publish as is (18 Mar 2020) by Aninda Mazumdar
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Short summary
Sediment input into water bodies is a prominent threat to freshwater ecosystems. We tested the stability of tracers employed in freshwater sediment tracing based on compound-specific isotope analysis during early degradation in soil. While bulk δ13C values showed no stability, δ13C values of plant-derived fatty acids and n-alkanes were stably transferred to the soil without soil particle size dependency after an early degradation in organic horizons, thus indicating their suitability as tracers.
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