• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国政府科技报告 >Seasonal Changes in Day-TO-Day Variability of Upper Air Winds Near the 100 Km Level of the Atmosphere
【24h】

Seasonal Changes in Day-TO-Day Variability of Upper Air Winds Near the 100 Km Level of the Atmosphere

机译：在100公里大气层附近的高空风的日常变化的季节性变化

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The day-to-day differences in ionospheric F-region critical frequencies near noon are studied as a measure of corresponding differences in the wind-generated ionospheric electric field at the magnetic equator. These changes in F-region critical frequencies reflect corresponding changes in height of the F-region, caused by the electric field of the daily variation. It is shown that the daily variation, though proportional to both the electric field and the electric conductivity, is probably a good indicator of day-to-day changes in wind speeds in the E-region. The data do not support the view that the ionizing solar radiation fluctuates much from one day to the next. The day-to-day changes in wind speed indicated for the E-region in middle latitudes are found to be largest in northern winter, and least in northern summer, and are discussed in relation to evidences of variability dependent on season noted from meteorology for tropospheric winds. Changes in wind speed with sunspot cycle are also discussed.

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号