會議論文
| 學年 | 104 |
|---|---|
| 學期 | 2 |
| 發表日期 | 2016-05-16 |
| 作品名稱 | Whistlers Generated by Gigantic Jets: Modeling and Observations |
| 作品名稱（其他語言） | 巨大噴流產生的哨聲波: 模式及觀測 |
| 著者 | Wang; K.; S. C. Chang; S. M. Huang; R. R. Hsu; J. J. Berthelier; T. Onishi |
| 作品所屬單位 | |
| 出版者 | |
| 會議名稱 | 2016年臺灣地球科學聯合學術研討會 |
| 會議地點 | Taipei, Taiwan |
| 摘要 | The characteristics of whistlers generated from a gigantic jet (GJ) are modeled as well as to examine satellite observations. Modeling is based on disturbances in the electric field, as measured by NCKU ELF/VLF station, associated with a representative tree-like GJ event over typhoon Lionrock. The calculated frequency-time spectrogram shows two sequent whistlers, with the later one emitted mainly below a few kHz. Our results show that the waves are subject to greater attenuation as the frequency increases; however, a reversal occurs at lower frequencies of a few hundred Hz due to ion effects. The electric fields observed by DEMETER (Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions) satellite mission are then investigated based on the locations of tree-like GJ events observed by ISUAL (Imager of Sprites and Upper Atmospheric Lightning). Paired whistlers, detected right after the tree-like GJ event occurred closest to the satellite location among all examined events, with power distribution features on the frequency-time spectrogram resembling modeled two sequent whistlers, are found. |
| 關鍵字 | |
| 語言 | zh_TW |
| 收錄於 | |
| 會議性質 | 國內 |
| 校內研討會地點 | 無 |
| 研討會時間 | 20160516~20160520 |
| 通訊作者 | 汪愷悌 |
| 國別 | TWN |
| 公開徵稿 | |
| 出版型式 | |
| 出處 | 2016年臺灣地球科學聯合學術研討會論文集 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/107452 ) |