The stability properties of the equilibria with constant wind shear (both in vertical and horizontal direction) andthe non-constant static stability in bounded, inviscid and adiabatic atmosphere were investigated by u...The stability properties of the equilibria with constant wind shear (both in vertical and horizontal direction) andthe non-constant static stability in bounded, inviscid and adiabatic atmosphere were investigated by using normalmode method. The results show that the stability property is determined by Richardson number R, as well as the absolute vorticity. When the absolute vorticity F is positive, i.e. F > 0, (where F = f+ vx ) the sufficient condition forsymmetric stability is Ri > f/ F and when F < 0, the equilibria are unstable for all possible normal mode disturbances. In addition, the most unstable growth rate was also obtained here.展开更多
文摘The stability properties of the equilibria with constant wind shear (both in vertical and horizontal direction) andthe non-constant static stability in bounded, inviscid and adiabatic atmosphere were investigated by using normalmode method. The results show that the stability property is determined by Richardson number R, as well as the absolute vorticity. When the absolute vorticity F is positive, i.e. F > 0, (where F = f+ vx ) the sufficient condition forsymmetric stability is Ri > f/ F and when F < 0, the equilibria are unstable for all possible normal mode disturbances. In addition, the most unstable growth rate was also obtained here.
