1. The effect of strong nonlinearity on wave-induced vertical mixing.
- Author
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Paprota, Maciej and Sulisz, Wojciech
- Subjects
- *
OCEAN temperature , *OCEANIC mixing , *ADVECTION-diffusion equations , *PREDICTION models , *VELOCITY - Abstract
A semi-analytical solution to an advection–diffusion equation is coupled with a nonlinear wavemaker model to investigate the effect of strong nonlinearity on wave-induced mixing. The comparisons with weakly nonlinear model predictions reveal that in the case of waves of higher steepness, enhanced mixing affects the subsurface layer of the water column. A fully nonlinear model captures the neglected higher-order terms from a weakly nonlinear solution and provides a reliable estimation of the time-mean velocity field. The corrected wave-induced mass-transport velocity leads to improved estimates of subsurface mixing intensity and ocean surface temperature. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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