Lookup NU author(s): Professor Steve Juggins
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A diatom transfer function based on data from 152 lakes in northwest Europe is derived using the technique of weighted-averaging partial least squares (WAPLS) and applied to Lake Søbygård, a shallow, hypertrophic Danish lake, to infer past changes in epilimnetic total phosphorus (TP) concentrations since the 1930s. The results show that the two-component WAPLS model has low prediction errors (RMSEP = 0.21 log10 TP units) and is applicable to lakes distributed throughout northwest Europe, covering a TP range 10-1000 μg TP L-1. The example shows how the method can provide an estimate of baseline conditions and rates of enrichment, allowing managers to set realistic targets for lake restoration.
Author(s): Bennion H, Juggins S, John Anderson N
Publication type: Article
Publication status: Published
Journal: Environmental Science and Technology
Print publication date: 01/01/1996
ISSN (print): 0013-936X
ISSN (electronic): 1520-5851
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