OBSERVATIONS OF M ARC AT MOSCOW IDAHO USA

被引：8

作者：

ICHIKAWA, T

KIM, JS

机构：

[1] Department of Physics, University of Idaho, Moscow

[2] Departments of Atmospheric Science and Physics, State University of New York, Albany

来源：

JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS | 1969年 / 31卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0021-9169(69)90006-3

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

A multicolor airglow photometer was operated at Moscow Mountain Idaho (latitude: 46°50′N.; longitude: 116°58′W.), during 56 nights between June and November, 1967. A weak but well-defined M arc was observed on the night of September 28/29, 1967, when there were high geomagnetic and visible auroral activities. The M arc occurred between L = 2.6 and L = 3.4, assuming a dipole field. The peak intensity remained fairly constant throughout the night. The average peak intensity was 220R, which is only 1/20 of the corresponding value obtained at Fritz Peak, Colorado on September 29/30, 1957. The extreme and half-intensity widths at 20.33 hr P.S.T. were 700 km and 210 km respectively. The arc moved southward during the night with an average speed of 32 m/sec. © 1969.

引用

页码：547 / &