First report of sporadic K layers and comparison with sporadic Na layers at Beijing, China (40.6 degrees N, 116.2 degrees E)
文献类型：期刊论文
| 作者 | Jiao, Jing1,2; Yang, Guotao1; Wang, Jihong1; Cheng, Xuewu3; Li, Faquan3; Yang, Yong3; Gong, Wei4; Wang, Zelong1,2; Du, Lifang1; Yan, Chunxiao1 |
| 刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
 |
| 出版日期 | 2015-06-01 |
| 卷号 | 120期号:6页码:5214-5225 |
| 关键词 | sporadic K layer sporadic Na layer lidar observation |
| 英文摘要 | A double-laser beam lidar was successfully developed to simultaneously measure K and Na layers at Beijing (40.6 degrees N, 116.2 degrees E) in 2010. Statistical analysis of the parameters of sporadic K (K-s) and sporadic Na (Nas) layers was performed over 2years of lidar data, and different characteristics of them were found. The average K-s occurrence (2.9%) was lower than that of Nas (5.9%); the Nas occurrence had a maximum (19.3%) in May-June months and a minimum (1.6%) in January-February months, while the K-s occurrence had a maximum (4.9%) in January-February months and a minimum (1.0%) in September-October months; most K-s peaks tended to occur around 93km, which was similar to 2km lower than that of Nas (similar to 95km); the K-s peak density was often at least 1 order of magnitude lower than that of Nas; notably, two K-s with high peak densities (>1000cm(-3)) were observed, which were much higher than K density (15-300cm(-3)) reported before. The ascending time of K-s was often longer than its descending time, but an opposite trend occurred for Nas. During the 152 cases of joint observation for the K and Na layers, 21% (32/152) were cases in which K-s and Nas events simultaneously occurred, while 79% (120/152) were cases in which only one layer (K or Na) exhibited a strong K-s or Nas. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | MESOSPHERIC POTASSIUM LAYER ; EARTHS UPPER-ATMOSPHERE ; SODIUM LAYERS ; LIDAR OBSERVATIONS ; LOWER THERMOSPHERE ; MESOPAUSE REGION ; CA+ LAYERS ; ARECIBO ; MIDLATITUDE ; LATITUDES |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000358199100081 |
| 公开日期 | 2015-09-15 |
| 源URL | [http://ir.wipm.ac.cn/handle/112942/7828]  |
| 专题 | 武汉物理与数学研究所_高技术创新与发展中心 |
| 作者单位 | 1.Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China 3.Chinese Acad Sci, Wuhan Inst Phys & Math, Wuhan, Peoples R China 4.Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430072, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiao, Jing,Yang, Guotao,Wang, Jihong,et al. First report of sporadic K layers and comparison with sporadic Na layers at Beijing, China (40.6 degrees N, 116.2 degrees E)[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2015,120(6):5214-5225. |
| APA | Jiao, Jing.,Yang, Guotao.,Wang, Jihong.,Cheng, Xuewu.,Li, Faquan.,...&Gong, Shunsheng.(2015).First report of sporadic K layers and comparison with sporadic Na layers at Beijing, China (40.6 degrees N, 116.2 degrees E).JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,120(6),5214-5225. |
| MLA | Jiao, Jing,et al."First report of sporadic K layers and comparison with sporadic Na layers at Beijing, China (40.6 degrees N, 116.2 degrees E)".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120.6(2015):5214-5225. |
入库方式： OAI收割
来源：武汉物理与数学研究所
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