极地研究

极地研究

• 研究论文 • 上一篇    下一篇

VHF meteor radar at King Sejong Station, Antarctica

Jeong-Han Kim1*, Geonhwa Jee1, Changsup Lee1,2 & Yong-Ha Kim2   

  1.  
    1 Division of Polar Climate Research, Korea Polar Research Institute, 26 Songdomirae-ro, Incheon 406-840, Korea;
    2 Department of Astronomy and Space Science, Chungnam National University, 79 Daehangno, Yuseong-gu, Daejeon 305-764, Korea
  • 出版日期:1963-12-30 发布日期:1963-12-30

VHF meteor radar at King Sejong Station, Antarctica

Jeong-Han Kim1*, Geonhwa Jee1, Changsup Lee1,2 & Yong-Ha Kim2   

  1.  
    1 Division of Polar Climate Research, Korea Polar Research Institute, 26 Songdomirae-ro, Incheon 406-840, Korea;
    2 Department of Astronomy and Space Science, Chungnam National University, 79 Daehangno, Yuseong-gu, Daejeon 305-764, Korea
  • Online:1963-12-30 Published:1963-12-30

PDF (PC)

1355

摘要： Since 2002, we have been observing the mesosphere and lower thermosphere (MLT) region over King Sejong Station (KSS; 62.22°S, 58.78°W), Antarctica, using various instruments such as the Spectral Airglow Temperature Imager (SATI), All Sky Camera (ASC) and VHF meteor radar. The meteor radar, installed in March 2007, continuously measures neutral winds in the altitude region 70–110 km and neutral temperature near the mesopause 24 h?d-1, regardless of weather conditions. In this study, we present results of an analysis of the neutral wind data for gravity wave activity over the tip of the Antarctic Peninsula, where such activity is known to be very high. Also presented is temperature estimation from measurement of the decay times of meteor trails, which is compared with other temperature measurements from SATI and the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument onboard the Thermosphere Ionosphere Mesosphere Energy and Dynamics (TIMED) satellite.

关键词: meteor radar, gravity wave, mesosphere and lower thermosphere region, Antarctica

Abstract: Since 2002, we have been observing the mesosphere and lower thermosphere (MLT) region over King Sejong Station (KSS; 62.22°S, 58.78°W), Antarctica, using various instruments such as the Spectral Airglow Temperature Imager (SATI), All Sky Camera (ASC) and VHF meteor radar. The meteor radar, installed in March 2007, continuously measures neutral winds in the altitude region 70–110 km and neutral temperature near the mesopause 24 h?d-1, regardless of weather conditions. In this study, we present results of an analysis of the neutral wind data for gravity wave activity over the tip of the Antarctic Peninsula, where such activity is known to be very high. Also presented is temperature estimation from measurement of the decay times of meteor trails, which is compared with other temperature measurements from SATI and the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument onboard the Thermosphere Ionosphere Mesosphere Energy and Dynamics (TIMED) satellite.

Key words: meteor radar, gravity wave, mesosphere and lower thermosphere region, Antarctica