Volume 43 Issue 4
Jul.  2023
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Article Navigation >  Chinese Journal of Space Science  > 2023  >  43(4): 609-617 Open Access
WANG Wei, ZHANG Jiaojiao, WANG Chi, DENG Xiang, LAN Ailan, YAN Jingye. Comparison of Characteristics of F-region Irregularities Scattering Occurrence Rate Based on the Observation of the Jiamusi Radar and Hokkaido East Radar (in Chinese). Chinese Journal of Space Science, 2023, 43(4): 609-617 doi: 10.11728/cjss2023.04.2022-0028
Citation: WANG Wei, ZHANG Jiaojiao, WANG Chi, DENG Xiang, LAN Ailan, YAN Jingye. Comparison of Characteristics of F-region Irregularities Scattering Occurrence Rate Based on the Observation of the Jiamusi Radar and Hokkaido East Radar (in Chinese). Chinese Journal of Space Science, 2023, 43(4): 609-617 doi: 10.11728/cjss2023.04.2022-0028
shu

Comparison of Characteristics of F-region Irregularities Scattering Occurrence Rate Based on the Observation of the Jiamusi Radar and Hokkaido East Radar

doi: 10.11728/cjss2023.04.2022-0028 cstr: 32142.14.cjss2023.04.2022-0028
  • 1.

    State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049

  • Received Date: 2022-06-17
  • Accepted Date: 2023-06-25
  • Rev Recd Date: 2022-08-15
    • Available Online: 2023-06-25
    Abstract
  • Distribution of the ionospheric irregularities scattering occurrence rate was investigated using data from March 2018 to November 2019, which were observed by the SuperDARN Jiamusi and Hokkaido East radars. The irregularities scattering occurrence rate have been statistically compared in the geomagnetic quiet period (Kp < 3) and geomagnetic disturbance period (Kp > 3), obtained the variation characteristics of the irregularities scattering occurrence rate depending on magnetic latitude and MLT, and analyzed the characteristics of the occurrence rate enhancement phenomenon in the dusk side and dawn side. The enhancement of the dusk side occurrence rate was widespread in the range of 45°－64° MLAT, and the occurrence rate in the subauroral region was significantly enhanced during the magnetic disturbed period. The enhancement of the dawn side occurrence rate is mainly distributed in areas below 55° MLAT, and the enhancement of the geomagnetic disturbance has a weak effect on it except in equinox. The dayside occurrence rate in middle magnetic latitude is less affected by geomagnetic disturbance.

     

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