Sporadic potassium layers and their connection to sporadic E layers in the mesopause region at Beijing, China

Author:

Цзин Цзяо12,Jing Jiao34,Готао Ян1,Guotao Yang3,Цзихун Ван1,Jihong Wang3,Сюэу Чэн5,Xuewu Cheng6,Фацюнь Ли5,Faqun Li6

Affiliation:

1. Главная государственная лаборатория исследования космической погоды, Национальный центр космических исследований, Китайская академия наук

2. Объединенная Китайско-Бразильская лаборатория исследования космической погоды, Китайская академия наук

3. State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences

4. China-Brazil Joint Laboratory for Space Weather, Chinese Academy of Sciences

5. Уханьский Институт физики и математики, Китайская академия наук

6. Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences

Abstract

A double-laser beam lidar to measure potassium (K) layer at Beijing (40.5° N, 116.2° E) was successfully developed in 2010. The parameters of sporadic Ks layers and their distributions were given. The seasonal distribution of Ks occurrence frequency was obtained, with two maxima in July and January. The seasonal distributions of sporadic Es layer occurrence frequency over Beijing differ from those of Ks. However, the good correlation between Es and Ks in the case-by-case studies supports the mechanism of neutralization of metal ions in a descending Es layer.

Publisher

Infra-M Academic Publishing House

Subject

Space and Planetary Science,Atmospheric Science,Geophysics

Reference19 articles.

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