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DOI | 10.1029/2019GL083372 |
Characteristics of Rising Tone Whistler Mode Waves Inside the Earth's Plasmasphere, Plasmaspheric Plumes, and Plasmatrough | |
Teng, S.1,2,3; Li, W.3; Tao, X.1,2; Shen, X. -C.3; Ma, Q.3,4 | |
2019-07-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:13页码:7121-7130 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | Whistler mode waves, particularly rising tone emissions, are important for nonlinear interactions with energetic electrons in the Earth's magnetosphere. In this letter, we evaluate the characteristics of rising tone whistler mode waves in three distinct regions: (1) inside the plasmasphere, (2) plasmapheric plumes, and (3) plasmatrough (outside the plasmapause). Our statistical results indicate that the occurrence rate of rising tone emissions tends to increase with increasing geomagnetic activity and is highest in plasmaspheric plumes among these three regions. Inside the plasmasphere, rising tone emissions typically occur in the outer portion of the plasmasphere, particularly near the dawnside. Moreover, the rising tone emissions inside the plasmasphere and plumes tend to be more field aligned than those in the plasmatrough. Our new findings of global wave properties of rising tone emissions are critical for understanding the generation of rising tone emissions and their effects on radiation belt electron dynamics. Plain Language Summary Rising tone whistler mode waves are intense electromagnetic emissions and commonly present in the Earth's magnetosphere. They are typically observed in the plasmatrough, which is a low-density region outside the plasmapause. By analyzing the high time resolution magnetic wave data from Van Allen Probes measurements, we present the global distribution and characteristics of rising tone whistler mode waves in three different regions: inside the plasmasphere, plasmaspheric plumes, and the plasmatrough. Among these three regions, the occurrence rate of rising tone emissions is found to be highest in plasmaspheric plumes. The rising tone emissions observed inside the plasmasphere and plumes tend to be more field-aligned than those in the plasmatrough. Our new findings of global wave properties of rising tone emissions are critical for understanding the generation of rising tone emissions and their effects on radiation belt electron dynamics. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000476960100007 |
WOS关键词 | RADIATION-BELT ELECTRONS ; COHERENT VLF WAVES ; ENERGETIC ELECTRONS ; CHORUS ; HISS ; ACCELERATION ; GENERATION ; SCATTERING ; DISCRETE ; ORIGIN |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/185026 |
专题 | 气候变化 |
作者单位 | 1.Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China; 2.CAS Ctr Excellence Comparat Planetol, Hefei, Anhui, Peoples R China; 3.Boston Univ, Ctr Space Phys, Boston, MA 02215 USA; 4.Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA USA |
推荐引用方式 GB/T 7714 | Teng, S.,Li, W.,Tao, X.,et al. Characteristics of Rising Tone Whistler Mode Waves Inside the Earth's Plasmasphere, Plasmaspheric Plumes, and Plasmatrough[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(13):7121-7130. |
APA | Teng, S.,Li, W.,Tao, X.,Shen, X. -C.,&Ma, Q..(2019).Characteristics of Rising Tone Whistler Mode Waves Inside the Earth's Plasmasphere, Plasmaspheric Plumes, and Plasmatrough.GEOPHYSICAL RESEARCH LETTERS,46(13),7121-7130. |
MLA | Teng, S.,et al."Characteristics of Rising Tone Whistler Mode Waves Inside the Earth's Plasmasphere, Plasmaspheric Plumes, and Plasmatrough".GEOPHYSICAL RESEARCH LETTERS 46.13(2019):7121-7130. |
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