2009年次电离层VLF/LF信号对南海大事件的响应

2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) Pub Date : 2017-08-01 DOI:10.23919/URSIGASS.2017.8105404

S. Pal, Y. Hobara, S. Chakrabarti, P. Schnoor

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引用次数: 0

摘要

本文对2009年1月平流层突然变暖(SSW)事件期间北大西洋和北太平洋地区的亚电离层甚低频/低频(VLF/LF)无线电信号进行了分析。从德国接收到的NAA (24.0 kHz)和NKR (37.5 kHz)等发射机发出的信号以及从日本接收到的NLK (24.8 kHz)和NPM (21.4 kHz)等发射机发出的信号被认为可能对SSW事件产生较低的电离层响应。从安静信号得到的夜间和白天平均VLF/LF振幅的明显增加/减少已被发现与SSW事件有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Response of the sub-ionospheric VLF/LF signals to the major SSW event of 2009

In this paper, sub-ionospheric Very Low Frequency/Low Frequency (VLF/LF) radio signals over the North Atlantic zone and North Pacific zone have been analysed during the major Sudden Stratospheric Warming (SSW) event of January, 2009. Signals from the transmitters like, NAA (24.0 kHz) and NKR (37.5 kHz) received at Germany and signals from the transmitters like, NLK (24.8 kHz) and NPM (21.4 kHz) received at Japan are considered for possible lower ionospheric response to the SSW event. Very clear and significant increase/decrease of average nighttime and daytime VLF/LF amplitudes from the quiet signals have been found associated with the SSW event.

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2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

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