Articles | Volume 25, issue 2
Nonlin. Processes Geophys., 25, 441–455, 2018
https://doi.org/10.5194/npg-25-441-2018

Special issue: Extreme internal wave events

Nonlin. Processes Geophys., 25, 441–455, 2018
https://doi.org/10.5194/npg-25-441-2018

Research article 25 Jun 2018

Research article | 25 Jun 2018

The evolution of mode-2 internal solitary waves modulated by background shear currents

Peiwen Zhang et al.

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Latest update: 17 Oct 2021
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Short summary
We perform five sets of numerical experiments to examine the evolution processes of mode-2 internal solitary waves (ISWs) modulated by background shear currents. Three distinctly different shear-induced waves were identified as forward-propagating long waves, oscillating tails and amplitude-modulated wave packets. The background shear currents are found to play an important role for the short-lived nature and energy decay process of mode-2 ISWs observed previously by Shroyer et al. (2010).