13C dicarboxylic acid signatures indicate temporal shifts in catchment sediment sources in response to extreme winter rainfall
Hari Ram Upadhayay,
Adrian Joynes,
Adrian L. Collins
Abstract:Rainfall and land-use interactions drive temporal shifts in suspended sediment sources, yet the magnitude of such changes remains poorly understood due to the lack of land-use specific source tracers. We investigated α,ω-dicarboxylic fatty acid root-specific biomarkers, as diagnostic tracers for apportioning sources of time-integrated suspended sediment samples collected from a grassland dominated agricultural catchment in the southwest of England during the wet winter period. Applying fatty acids-specific sta… Show more
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