Structure, Amplification and Nonlinearity of the 2-Day Wave

数值积分将被用来研究在一般不稳定的平均气流中的2天波动。将在存在代表观测的纬向平均结构的情况下计算振型周期和结构及其放大。然后将这些计算出的特征与观测到的两天波的时空行为进行比较。有限振幅的考虑，导致传输和与其他行星波的相互作用，将在完全非线性积分中讨论。结合观测到的行为，这些积分将被用来评估2天波非线性对动力学和化学结构的影响。这里概述的研究承诺对2天波及其在中高层大气一般环流中的作用有统一的理解。

Numerical integrations will be performed to study the 2-day wave in a generally-unstable mean flow. Modal period and structure and its amplification will be calculated in the presence of zonal-mean structure representative of observations. Those calculated features will then be compared with observed space-time behavior of the 2-day wave. Finite amplitude considerations, leading to transport and to interaction with other planetary waves, will be addressed in fully-nonlinear integrations. Together with observed behavior, those integrations will be used to evaluate the impact that 2-day wave nonlinearity has on dynamical and chemical structure. The research outlined here promises a unified understanding of the 2-day wave and its role in the general circulation of the middle and upper atmosphere.