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DOI | 10.1029/2018GL077722 |
High-Latitude Observations of a Localized Wind Wall and Its Coupling to the Lower Thermosphere | |
Shepherd, Gordon G.; Shepherd, Marianna G. | |
2018-05-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:10页码:4586-4593 |
文章类型 | Article |
语种 | 英语 |
国家 | Canada |
英文摘要 | Reversals in the thermospheric zonal winds at altitudes of 140 to 250 km from eastward to westward have been found at southern geographic latitudes between 60 degrees and 70 degrees. These are confined to a narrow region between 100 degrees and 200 degrees in longitude with zonal velocities regularly of -400 m/s, sometimes reaching -600 m/s, so sharply defined that the authors describe it as a "wind wall." The observations were made by the Wind Imaging Interferometer on National Aeronautics and Space Administration's Upper Atmosphere Research Satellite, and they occur as the field of view crosses the high polar cap wind field. The wind reversals at the wall boundaries create a convergence on the west side of the wall and a divergence on the east side that potentially generate vertical flows, consistent with observed perturbations in the O(S-1) emission rate. They are present about one half of the time in local summer and autumn. |
英文关键词 | thermosphere neutral winds dynamic reversals high latitudes longitude dependence wind wall |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435262000007 |
WOS关键词 | INTERPLANETARY MAGNETIC-FIELD ; DAYGLOW EMISSION ; DEPENDENCE ; NRLMSISE-00 ; WINDII/UARS ; GUVI |
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/27371 |
专题 | 气候变化 |
作者单位 | York Univ, Ctr Res Earth & Space Sci, Toronto, ON, Canada |
推荐引用方式 GB/T 7714 | Shepherd, Gordon G.,Shepherd, Marianna G.. High-Latitude Observations of a Localized Wind Wall and Its Coupling to the Lower Thermosphere[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(10):4586-4593. |
APA | Shepherd, Gordon G.,&Shepherd, Marianna G..(2018).High-Latitude Observations of a Localized Wind Wall and Its Coupling to the Lower Thermosphere.GEOPHYSICAL RESEARCH LETTERS,45(10),4586-4593. |
MLA | Shepherd, Gordon G.,et al."High-Latitude Observations of a Localized Wind Wall and Its Coupling to the Lower Thermosphere".GEOPHYSICAL RESEARCH LETTERS 45.10(2018):4586-4593. |
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