Baroclinic eddies ■Instability: -baroclinic instability-Review Phenomenon:Given a basic flow with perturbations at the initial moment,if the perturbation grows with time,the basic flow is always taken unstable. Mathematics:P&Aet,a>0 (相对于波动解：P Aeiwt) ■Energy': 能量源→ 扰动动能！ Linear Instability:the instability that arises in a linear system. 授课教师：张洋7授课教师：张洋 7 Baroclinic eddies - baroclinic instability n Instability: n Phenomenon: Given a basic flow with perturbations at the initial moment, if the perturbation grows with time, the basic flow is always taken unstable. n Linear Instability: the instability that arises in a linear system. n Mathematics: P _ Ae↵t , 9 ↵ > 0 P _ Aei!t (相对于波动解: ) n Energy: 能量源 扰动动能 Review