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Attribution of horizontal and vertical contributions to spurious mixing in an Arbitrary Lagrangian?Eulerian ocean model

Gibson, Angus; Hogg, Andrew; Kiss, A E; Shakespeare, Callum; Adcroft, Alistair


We examine the separate contributions to spurious mixing from horizontal and vertical processes in an ALE ocean model, MOM6, using reference potential energy (RPE). The RPE is a global diagnostic which changes only due to mixing between density classes. We extend this diagnostic to a sub-timestep timescale in order to individually separate contributions to spurious mixing through horizontal (tracer advection) and vertical (regridding/remapping) processes within the model. We both evaluate the...[Show more]

CollectionsANU Research Publications
Date published: 2017-11
Type: Journal article
Source: Ocean Modelling
DOI: 10.1016/j.ocemod.2017.09.008


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