This aims to explore the sediment provenance information provided by the tracers more comprehensively than a single model, and allows for model configurations with high uncertainties to be rejected. Multiple source group configurations and composite fingerprints are identified and tested using multiple methods of uncertainty analysis. A comprehensive new software programme (SIFT SedIment Fingerprinting Tool) has therefore been developed which guides the user through critical data analysis decisions and automates all calculations. Sediment source fingerprinting represents one approach for supporting these needs, but recent methodological developments have resulted in an increasing complexity of data processing methods rendering the approach less accessible to non-specialists. The mitigation of diffuse sediment pollution requires reliable provenance information so that measures can be targeted.
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