AFTEREFFECTS OF ISOLATED MAGNETOSPHERIC SUBSTORM ACTIVITY ON MID-LATITUDE IONOSPHERE - LOCALIZED DEPRESSIONS IN F-LAYER ELECTRON-DENSITIES

被引:13
作者
PARK, CG
MENG, CI
机构
[1] STANFORD UNIV,RADIOSCI LAB,STANFORD,CA 94305
[2] UNIV CALIF BERKELEY,SPACE SCI LAB,BERKELEY,CA 94720
来源
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 1976年 / 81卷 / 25期
关键词
IONOSPHERE;
D O I
10.1029/JA081i025p04571
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Ground-based ionosonde data from a global network of about 100 stations have been used to study ionospheric disturbances at mid-latitudes associated with isolated magnetospheric substorm activity. The results of four case studies during solstice periods are presented. In each case, pronounced (about 10 to 30%) depressions in f//0F//2 developed in a limited longitude sector in the summer hemisphere and lasted for about 1 day. It is suggested that these depressions are caused by changes in thermospheric composition and that the primary heat source for the thermospheric disturbance is Joule heating in the dayside polar cusp region.
引用
收藏
页码:4571 / 4578
页数:8
相关论文
共 28 条
[1]   SPATIAL AND TEMPORAL DISTRIBUTIONS OF MAGNETIC EFFECTS OF AURORAL ELECTROJETS AS DERIVED FROM AE-INDICES [J].
ALLEN, JH ;
KROEHL, HW .
JOURNAL OF GEOPHYSICAL RESEARCH, 1975, 80 (25) :3667-3677
[2]   THERMOSPHERIC CHANGES SHORTLY AFTER ONSET OF DAYTIME JOULE HEATING [J].
BATES, HF .
PLANETARY AND SPACE SCIENCE, 1974, 22 (12) :1625-1636
[3]   CROSS-L PLASMA DRIFTS IN OUTER PLASMASPHERE - QUIET TIME PATTERNS AND SOME SUBSTORM EFFECTS [J].
CARPENTER, DL ;
SEELY, NT .
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1976, 81 (16) :2728-2736
[4]   COMPARISON OF HIGH LATITUDE AND MID-LATITUDE IONOSPHERIC ELECTRIC-FIELDS [J].
CARPENTER, LA ;
KIRCHHOFF, VWJH .
JOURNAL OF GEOPHYSICAL RESEARCH, 1975, 80 (13) :1810-1814
[5]   ION AND NEUTRAL COMPOSITION CHANGES IN THERMOSPHERIC REGION DURING MAGNETIC STORMS [J].
CHANDRA, S ;
STUBBE, P .
PLANETARY AND SPACE SCIENCE, 1971, 19 (05) :491-&
[6]   JOULE HEATING OF UPPER ATMOSPHERE [J].
COLE, KD .
AUSTRALIAN JOURNAL OF PHYSICS, 1962, 15 (02) :223-&
[7]   ELECTRODYNAMIC HEATING AND MOVEMENT OF THERMOSPHERE [J].
COLE, KD .
PLANETARY AND SPACE SCIENCE, 1971, 19 (01) :59-+
[8]   STUDIES OF IONOSPHERIC STORMS USING A SIMPLE MODEL [J].
DAVIES, K .
JOURNAL OF GEOPHYSICAL RESEARCH, 1974, 79 (04) :605-613
[9]   MODEL OF IONOSPHERIC F-2 REGION STORMS IN MIDDLE LATITUDES [J].
DAVIES, K .
PLANETARY AND SPACE SCIENCE, 1974, 22 (02) :237-253
[10]   AURORAL ELECTROJET ACTIVITY INDEX AE AND ITS UNIVERSAL TIME VARIATIONS [J].
DAVIS, TN ;
SUGIURA, M .
JOURNAL OF GEOPHYSICAL RESEARCH, 1966, 71 (03) :785-&