Observations of altitudinal and latitudinal E‐region neutral wind gradients near sunset at the magnetic equator
Observations of altitudinal and latitudinal E‐region neutral wind gradients near sunset at the magnetic equator
复制标题
磁赤道日落附近高度和纬度E区中性风梯度的观测
DOI：
--
复制
发表时间：
1997
期刊：
影响因子：
--
通讯作者：
C. D. Odom
中科院分区：
文献类型：
--
作者：
M. Larsen;C. D. Odom
1994年9月，探测火箭连续两天黄昏在磁赤道对E区中性风廓线进行了化学释放测量，当时F区垂直等离子体漂移出现了强烈的前向增强。在赤道和再往北约450-480公里处获得了风廓线。廓线显示下E‐区域的风速为80-100 m s - 1，在10-15 km的垂直尺度上风向反转。这两天，下E区风向在北赤道释放和赤道释放之间变化一致，北方位置明显偏南风强，赤道位置偏东风强。
Sounding rocket chemical release measurements of the E‐region neutral wind profiles were carried out at the magnetic equator at dusk on two consecutive days in September 1994 when a strong prereversal enhancement of the F‐region vertical plasma drift was present. Wind profiles were obtained at the equator and ∼450–480 km further north. The profiles show wind speeds of 80–100 m s−1 in the lower E‐region and reversals of the wind direction over vertical scales of 10–15 km. On both days, the wind direction in the lower E region changed consistently between the northern and equatorial releases, with a strong southward wind evident at the northern position and a stronger eastward wind at the equator.