Variability of foF2 at low and middle latitudes

被引：14
|
作者：
Gulyaeva, TL [1 ]
Aggarwal, S
Mahajan, KK
Shastri, S
机构：
[1] Russian Acad Sci, IZMIRAN, Troitsk 142092, Moscow Region, Russia
[2] Natl Phys Lab, New Delhi 110012, India
来源：
IRI 1997 SYMPOSIUM: NEW DEVELOPMENTS IN IONOSPHERIC MODELLING AN D PREDICTION | 1998年 / 22卷 / 06期
关键词：
D O I：
10.1016/S0273-1177(98)00110-0
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Applying classical statistical methods to data of 14 low- and mid-latitude locations the reduced standard deviation r.s.d. of monthly foF2 is shown to depend on hour, season and solar cycle phase.. With daily percentage departures of foF2 from monthly mean exceeding r.s.d. a comparable analysis applied to individual days shows magnetically disturbed days clearly outside. As experience shows this holds no more when reduction with respect to the true monthly mean is replaced by one to a predicted median e.g. the URSI numerical map. (C) 1998 COSPAR. Published by Elsevier Science Ltd.
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收藏
页码：847 / 850
页数：4
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