Life Cycles of Moist Baroclinic Eddies: Mean Flow Adjustment and Modification by Surface Fluxes

中纬度斜压动力热输送 不稳定波与各种物理过程相互作用， 控制气候状态。 经典的不稳定性分析和 对风暴演变的大量案例研究表明， 潜热释放对发展的贡献 斜压波 此外，潜热的输送 与瞬变斜压涡旋相关联的是已知的， 对热量、动量和 水分 湿斜压不稳定的前期研究 从气候的角度来看， 只有波谱的集合效应 已经被模拟了。 这项研究将调查水分的影响 斜压不稳定波生命周期的凝聚 使用球形原始方程模型。 这项研究将 强调影响气候动态的机制， 填补了个别风暴研究和 水文循环的一般循环模式。 它将 深入了解涡旋通量结构的气候学， 与纬向平均态的相互作用以及 表面通量 因为它强调气候过程， 研究将集中在天气和行星尺度波， 当波的频谱 在斜压不稳定气流中受到扰动。 这项研究很重要，因为它应该改善我们的 了解大气环流与 水文循环。

Dynamical heat transports by mid-latitude, baroclinically unstable waves interact with a variety of physical processes to control the climatic state. Classical instability analyses and numerous case studies of storm evolution indicate an essential contribution by latent heat release to the development of baroclinic waves. In addition, the transport of latent heat associated with transient baroclinic eddies is known to have a significant effect on climatic balances of heat, momentum and moisture. Previous studies of moist baroclinically unstable waves from a climatic perspective have been limited to a few cases where only the aggregate effect of a spectrum of waves have been simulated. This research will investigate the effects of moisture condensation on the life cycles of baroclinically unstable waves using a spherical, primitive equations model. The study will emphasize the mechanisms that affect the dynamics of climate, filling the gap between studies of individual storms and studies of the hydrological cycle in general circulation models. It will seek insight into the climatology of eddy flux structure, its interaction with the zonal mean state and the influence of surface fluxes. Because it emphasizes climatic processes, the study will concentrate on synoptic and planetary-scale waves, which emerge with the largest amplitudes when a spectrum of waves are perturbed in baroclinically unstable flow. This research is important because it should improve our understanding of interactions between atmospheric circulation and the hydrological cycle.