Summary
This field-based study quantifies the temporal and spatial variability of stable isotope signatures (δ13C, δ15N) and bulk soil carbon and nitrogen properties across an agricultural landscape. The findings have implications for the reliability of using these soil properties as geochemical tracers in sediment source apportionment studies, as suggested by the paper's emphasis on variability characterisation at field scale.
UK applicability
The study was conducted in the United Kingdom and therefore directly reflects UK soil and agricultural conditions, making its findings directly applicable to UK erosion monitoring, sediment tracing research, and land management assessment practices.
Key measures
δ13C (carbon-13 stable isotope ratio), δ15N (nitrogen-15 stable isotope ratio), TC (total carbon), TN (total nitrogen), soil depth profiles, spatial and temporal variability
Outcomes reported
The study examined field-scale temporal and spatial variability of stable isotope ratios (δ13C, δ15N) and total carbon and nitrogen concentrations across soil profiles. The research assessed how this variability affects the reliability of using these soil properties as tracers for sediment source identification.
Topic tags
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