Influence of Zonal Wind Velocity Variation on Equatorial Plasma Bubble Occurrences Over Southeast Asia

I. Sarudin; N. S. A Hamid; M. AbdullahS. M BuhariK. ShiokawaY. OtsukaK. HozumiP. Jamjareegulgarn

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Influence of Zonal Wind Velocity Variation on Equatorial Plasma Bubble Occurrences Over Southeast Asia

机译：纬向风速变化的影响赤道等离子体泡沫事件东南亚

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The present study aims to investigate the influence of the zonal wind velocity on equatorial plasma bubble (EPB) occurrences over Southeast Asia. The observation of the EPB occurrence is obtained from the GPS Rate of TEC change index. Meanwhile, the zonal winds were measured using a Fabry-Perot interferometer located at Kototabang and Chiang Mai stations, and the height of F layer was acquired using an ionosonde at Chumphon station near the magnetic equator. This is the first study to report the influence of zonal wind velocity variation on EPB occurrences with the presence and absence of EPB using GPS data in the Southeast Asian sector. The results illustrated that the average magnitude of zonal wind velocity during the presence of EPB (78 ± 23 m/s) was higher than that of its absence (68 ± 21 m/s). It was observed using long-term data analyses which led to in-depth analyses. The analysis of temporal variation of zonal wind variation demonstrated that the zonal winds during EPB were higher in the evening compared to midnight and postmidnight periods from medium to high solar activities. The dependence of zonal wind velocity on EPB over local time was obtained based on the analysis which utilized the data collected during equinox in high solar activity. Besides that, a positive correlation was obtained between the zonal wind velocity and EPB occurrences during pre-reversal enhancement (PRE) corroborated the effects of zonal wind influence on PRE, and thus EPB occurrences.

机译：本研究旨在调查纬向风速的影响赤道等离子体泡沫(EPB)出现东南亚。发生了从GPS的侦探变化指数。使用一个法布里-珀罗干涉仪测量位于Kototabang和清迈电台,和F层使用一个收购的高度ionosonde Chumphon车站附近的磁场赤道。纬向风速变化对组件的影响组件事件的存在和缺乏在东南亚部门使用GPS数据。结果表明的平均大小纬向风速在组件的存在(78±23 m / s)高于它的缺失(68±21 m / s)。数据分析导致深入分析。分析时空变化的纬向风变化表明,纬向风在EPB晚上相比更高午夜,从媒介postmidnight时期高太阳能活动。风速在EPB的当地时间基于分析,利用数据春分期间收集的太阳活动。除此之外,一个正相关组件和纬向风速之间的出现在pre-reversal增强(前)证实了纬向风的影响的影响在以前,因此EPB出现。

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《Journal of Geophysical Research, A. Space Physics: JGR》 |2021年第5期|e2020JA028994-1-e2020JA028994-10|共10页
作者
I. Sarudin; N. S. A Hamid; M. AbdullahS. M BuhariK. ShiokawaY. OtsukaK. HozumiP. Jamjareegulgarn;
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作者单位

Department of Applied Physics,Faculty of Science and Technology,Universiti Kebangsaan Malaysia,Bangi,Selangor,Malaysia;

Space Science Centre (ANGKASA),Institute of Climate Change,Universiti Kebangsaan Malaysia,Bangi,Selangor,Malaysia;

Institute for Space-Earth Environmental Research (ISEE),Nagoya University,Nagoya,JapanNational Institute of Information and Communications Technology,Koganei,Tokyo,JapanKing Mongkut's Institute of Technology Ladkrabang,Chumphon,Thailand;

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正文语种英语
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wind velocity; Fluconazole; equatorialSoutheast AsiaVariationplasma bubbleswind variations;

机译：风速、氟康唑、equatorialSoutheastAsiaVariationplasma bubbleswind变化;

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Influence of Zonal Wind Velocity Variation on Equatorial Plasma Bubble Occurrences Over Southeast Asia

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