Anomalous sudden commencement on March 24, 1994
文献类型：期刊论文
| 作者 | Araki, T; Fujitani, S; Emoto, M; Yumoto, K; Shiokawa, K; Ichinose, T; Luehr, H; Orr, D; Milling, DK; Singer, H |
| 刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
 |
| 出版日期 | 1997-07-01 |
| 卷号 | 102期号:A7页码:14075-14086 |
| 文献子类 | Article |
| 英文摘要 | An anomalous geomagnetic sudden commencement (SC) occurred on March 24, 1991. It is characterized by an exceptionally large and sharp impulse observed in its initial part along the noon meridian in middle and low latitudes. The analysis of the SC was made by using high time resolution digital data from the 210 degrees Meridian Magnetometer Chain in the west Pacific, Sub-Auroral Magnetometer Network (SAMNET) in the United Kingdom and southern Scandinavia, the EISCAT Magnetometer Cross in northern Scandinavia and Svalbard, and Canopus in Canada together with other ground and satellite (GOES 6, GOES 7, CRRES, and GMS) data. The results of the analysis suggest that the pulse observed at lower-latitude ground stations was caused by the propagation of a strong magnetospheric compression of short duration (less than 1 min) which has never been observed before this event. The HF Doppler observation in Kyoto near local noon seems to be consistent with existence of the bipolar electric field associated with the propagating compressional magnetic pulse. The SAMNET stations and CRRES in the early morning also detected positive pulses which delays 30-50 s from the pulses in noon sector, Although the delay in the peak time of the pulse observed on the ground is consistent with ionospheric hydromagnetic wave propagation from the dayside to the nightside with finite speed, the initial onset time of the pulse on the ground was almost simultaneous everywhere suggesting the existence of an ''almost instantaneous'' propagation mode below the ionosphere. |
| WOS关键词 | DYNAMIC PRESSURE CHANGES ; ELECTRON-DRIFT ECHOES ; INNER MAGNETOSPHERE ; MAGNETIC-FIELD ; ULF WAVES ; IONOSPHERE ; INJECTION ; EQUATOR |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:A1997XJ20400006 |
| 出版者 | AMER GEOPHYSICAL UNION |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/81974]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Araki, T |
| 作者单位 | 1.DOSHISHA UNIV,DEPT ELECT,KYOTO 602,JAPAN 2.CHINESE ACAD SCI,INST GEOPHYS,BEIJING,PEOPLES R CHINA 3.TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG,INST GEOPHYS & METEOROL,D-38106 BRAUNSCHWEIG,GERMANY 4.UNIV YORK,DEPT PHYS,YORK YO1 5DD,N YORKSHIRE,ENGLAND 5.UNIV ALBERTA,DEPT PHYS,EDMONTON,AB T6G 2J1,CANADA 6.NAGOYA UNIV,SOLAR TERR ENVIRONM LAB,TOYOKAWA 442,JAPAN 7.NOAA,SPACE ENVIRONM LAB,BOULDER,CO 80303 8.KAKIOKA GEOMAGNET OBSERV,YASATO,IBARAGI 31501,JAPAN |
| 推荐引用方式 GB/T 7714 | Araki, T,Fujitani, S,Emoto, M,et al. Anomalous sudden commencement on March 24, 1994[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,1997,102(A7):14075-14086. |
| APA | Araki, T.,Fujitani, S.,Emoto, M.,Yumoto, K.,Shiokawa, K.,...&Liu, CF.(1997).Anomalous sudden commencement on March 24, 1994.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,102(A7),14075-14086. |
| MLA | Araki, T,et al."Anomalous sudden commencement on March 24, 1994".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 102.A7(1997):14075-14086. |
入库方式： OAI收割
来源：地质与地球物理研究所
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