Latitudinal variation of the specific local time of postmidnight enhancement peaks in F layer electron density at low latitudes: A case study
Latitudinal variation of the specific local time of postmidnight enhancement peaks in F layer electron density at low latitudes: A case study
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低纬度F层电子密度午夜后增强峰特定局部时间的纬度变化:以实例研究
DOI:
10.1002/2015ja022319
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发表时间:
2016-04
影响因子:
2.8
通讯作者:
Yatini Clara Y.
中科院分区:
文献类型:
--
作者:
Jiang Chunhua;Deng Chi;Yang Guobin;Liu Jing;Zhu Peng;Yokoyama Tatsuhiro;Song Huan;Lan Ting;Zhou Chen;Wu Xiongbin;Zhang Yuannong;Zhao Zhengyu;Komolmis Tharadol;Supnithi Pornchai;Yatini Clara Y.
Ionospheric nighttime enhancements are manifested in an increase of the electron density at nighttime. This paper studies the latitudinal variation of the specific local time of postmidnight enhancement peaks using ionosondes distributed at low latitudes. To obtain the parameters of the ionosphere, we manually extracted ionograms recorded by ionosondes. Cases show that there are significant latitudinal variations in the observed local time of the postmidnight enhancement peaks. Results show that the lower the geomagnetic latitude, the earlier the enhancement peak occurred in the geomagnetic northern hemisphere. Additionally, the enhancement peaks occurred earlier in the geomagnetic southern hemisphere than that in the geomagnetic northern hemisphere for these present cases. We suggest that the combined effect of the geomagnetic inclination and transequatorial meridional wind might be the main driving force for latitudinal variation of the local time of the occurrence.
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影响因子:
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通讯作者:
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影响因子:
1.9
作者:
A. Mikhailov;Matthias Förster;T. Leschinskaya
通讯作者:
A. Mikhailov;Matthias Förster;T. Leschinskaya
影响因子:
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