The 4-day wave in the Antarctic mesosphere
The 4-day wave in the Antarctic mesosphere
复制标题
南极中层4天波
DOI：
--
复制
发表时间：
1995
期刊：
影响因子：
--
通讯作者：
A. Phillips
中科院分区：
文献类型：
--
作者：
B. Lawrence;G. Fraser;R. Vincent;A. Phillips
在高纬冬季平流层中观测到一个周期近4天的纬向波1号东传行星波，这是前人研究的结果。雷达观测加上平流层分析在这里用来证明，这波，被称为4天波，延伸到南极上层中层。以前的工作者断言，波是观察到的极涡中旋转的暖池的表现，并且该池似乎以准非色散的方式表现。在这里提出的4天波在上层mesosophere的观察似乎验证了以前的说法，即暖池是由波动动力学，而不是简单的平流。
A zonal wave number one eastward propagating planetary wave observed in the high latitude winter stratosphere with a period near 4 days has been studied by a number of previous authors. Radar observations coupled with stratospheric analyses are here used to demonstrate that this wave, known as the 4-day wave, extends into the Antarctic upper mesosphere. Previous workers have asserted that the wave is a manifestation of the observation of warm pools rotating in the polar vortex, and that the pool seems to behave in a quasi-nondispersive manner. The observation of the 4-day wave in the upper mesosophere presented here appears to validate previous claims that the warm pools are being maintained by wavelike dynamics, rather than simple advection.