Dynamical Analysis and Exact Solutions of a New (2+1)-Dimensional Generalized Boussinesq Model Equation for Nonlinear Rossby Waves*

Quan-Sheng Liu,Zai-Yun Zhang,Rui-Gang Zhang,Chuang-Xia Huang

Fig. 2 The bifurcation phase portraits of Eq. (31) when $l^{2}+a_{1}ln+a_{2}n^{2}<0$.