Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4378443 | Ecological Modelling | 2008 | 5 Pages |
Abstract
Here we present and analyse the behaviour of four different parameterizations of the preferential uptake of NH4+ over NO3â. The first three (Wroblewski-Fasham, Spitz, Hurtt and Armstrong) are commonly used in current marine ecosystem models. However, they show either formulational inconsistencies (e.g. Wroblewski-Fasham), unrealistic features (e.g. Spitz) or structural rigidity (e.g. Hurtt and Armstrong). We therefore suggest a newer parameterization by slightly modifying the Wroblewski-Fasham formulation that easily overcome these deficiencies and could be used in the next generation of marine ecosystem models.
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Authors
S.M. Vallina, C. Le Quéré,