Coherent structures of nonlinear barotropic-baroclinic interaction in unequal depth two-layer model

作者：

Highlights：

• It is the first time to deal with the nonlinear barotropic-baroclinic interaction problem based on the non-equal two-layer model by using the method of multiple scales.

• The evolutions of both the barotropic flow and the baroclinic flow are described by coupled nonlinear Boussinesq equations.

• The dynamics of the nonlinear coherent structures is analyzed from both qualitative and quantitative viewpoints.

• The effect of the non-equal fluid parameter on the propagation of coherent structures is given.

摘要

•It is the first time to deal with the nonlinear barotropic-baroclinic interaction problem based on the non-equal two-layer model by using the method of multiple scales.•The evolutions of both the barotropic flow and the baroclinic flow are described by coupled nonlinear Boussinesq equations.•The dynamics of the nonlinear coherent structures is analyzed from both qualitative and quantitative viewpoints.•The effect of the non-equal fluid parameter on the propagation of coherent structures is given.

论文关键词：Barotropic-baroclinic wave interaction,Coupled Boussinesq equations,Coherent structures,Solitary waves

论文评审过程：Received 6 September 2020, Revised 22 April 2021, Accepted 2 May 2021, Available online 23 May 2021, Version of Record 23 May 2021.

论文官网地址：https://doi.org/10.1016/j.amc.2021.126347