Analysis of the ionospheric anomaly at Great Wall Station, Antarctica

Weimin, Zhen and Chong, Cao and Jian, Wu (1994) Analysis of the ionospheric anomaly at Great Wall Station, Antarctica. Advances in Polar Science, 5 (2). pp. 53-57.

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Abstract

In this paper, we use an empirical method to derive the height of maximum electron concentration of the F2 region and the effective meridional neutral wind at Great Wall Station, Antarctica. The meridional wind is also calculated with the HWM-90 model. Results can be used to explain two anomaly features of ionosphere at Great Wall Station. In summer, peak values of f0F2 appear during nighttime. In winter, especially during June and July, f0F2 decrease dramatically as compared with summer's one. Summer anomaly can be explained by combining effects of two causes: thermospheric winds and solar radiation. An important reason for the anomaly is the location of Great Wall Station, which is in both high geographic latitude and middle geomagnetic latitude.

Item Type: Article
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    Date Deposited: 17 Apr 2023 13:14
    URI: http://library.arcticportal.org/id/eprint/2085

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