VLF observations of ionospheric disturbances in association with TLEs from the EuroSprite-2007 campaign
VLF observations of ionospheric disturbances in association with TLEs from the EuroSprite-2007 campaign
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与 EuroSprite-2007 活动中的 TLE 相关的电离层扰动的 VLF 观测
DOI：
10.1029/2009ja015026
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发表时间：
2010
影响因子：
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通讯作者：
T. Abdelatif
中科院分区：
文献类型：
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作者：
S. NaitAmor;M. Alabdoadaim;M. Cohen;B. Cotts;S. Soula;O. Chanrion;T. Neubert;T. Abdelatif
[1]位于阿尔及利亚阿尔及尔（北纬36.45度，东经3.28度）和利比亚塞卜哈（北纬27.02度，东经14.26度）的两个甚低频AWESOME遥感系统监测甚低频信号扰动，以寻找电离层扰动的证据。在EuroSprite-2007活动期间，位于南峰（42.94°N，0.14°E）和法国西南部大气研究中心（CRA）的相机在地中海上空捕获了一些瞬态发光事件（TLE）。将相机观测结果与收集到的甚低频AWESOME数据进行比较。我们认为早期的VLF扰动观测12-13，17-18十月和17-18十二月，2007年。来自两个VLF接收器的数据证实了TLE与早期VLF信号扰动之间的关联，其中扰动幅度取决于观测配置，即TLE是否靠近接收器、靠近发射器或远离两者以及散射过程。结果还表明，早期的VLF扰动可以发生在没有TLE。
[1] Two Very Low Frequency (VLF) AWESOME remote sensing systems located at Algiers, Algeria (36.45°N, 3.28°E) and Sebha, Libya (27.02°N, 14.26°E) monitor VLF signal perturbations for evidence of ionospheric disturbances. During the EuroSprite-2007 campaign a number of Transient Luminous Events (TLEs) were captured over the Mediterranean Sea by cameras at Pic du Midi (42.94°N, 0.14°E) and at Centre de Recherches Atmospheriques (CRA) in southwestern France (43.13°N, 0.37°E). The cameras observations are compared to collected VLF AWESOME data. We consider early VLF perturbations observed on 12–13, 17–18 October and 17–18 December, 2007. The data from the two VLF receivers confirm the association between TLEs and early VLF signal perturbations with the perturbations amplitudes dependent on the observation configuration i.e. whether the TLE is near the receiver, near the transmitter, or far from both and the scattering process. The results also reveal that the early VLF perturbations can occur in the absence of a TLE.