Class information for:
Level 1: MIDLATITUDE TROUGH//IONOSPHERIC TROUGH//POLAR PATCHES

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
9959 1040 24.0 49%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
43 31098 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//MAGNETOSPHERIC PHYSICS//IONOSPHERE

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 MIDLATITUDE TROUGH Author keyword 9 83% 0% 5
2 IONOSPHERIC TROUGH Author keyword 6 71% 0% 5
3 POLAR PATCHES Author keyword 5 60% 1% 6
4 POLAR CAP PATCHES Author keyword 3 57% 0% 4
5 IONOSPHERIC HF PROPAGATION Author keyword 3 100% 0% 3
6 SUBAURORAL ION DRIFT Author keyword 3 100% 0% 3
7 UPPER ATMOSPHERE MODELLING GRP Address 3 50% 0% 4
8 POLAR IONOSPHERE Author keyword 2 13% 2% 18
9 GU Address 2 67% 0% 2
10 SAR ARCS Author keyword 2 67% 0% 2

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 MIDLATITUDE TROUGH 9 83% 0% 5 Search MIDLATITUDE+TROUGH Search MIDLATITUDE+TROUGH
2 IONOSPHERIC TROUGH 6 71% 0% 5 Search IONOSPHERIC+TROUGH Search IONOSPHERIC+TROUGH
3 POLAR PATCHES 5 60% 1% 6 Search POLAR+PATCHES Search POLAR+PATCHES
4 POLAR CAP PATCHES 3 57% 0% 4 Search POLAR+CAP+PATCHES Search POLAR+CAP+PATCHES
5 IONOSPHERIC HF PROPAGATION 3 100% 0% 3 Search IONOSPHERIC+HF+PROPAGATION Search IONOSPHERIC+HF+PROPAGATION
6 SUBAURORAL ION DRIFT 3 100% 0% 3 Search SUBAURORAL+ION+DRIFT Search SUBAURORAL+ION+DRIFT
7 POLAR IONOSPHERE 2 13% 2% 18 Search POLAR+IONOSPHERE Search POLAR+IONOSPHERE
8 SAR ARCS 2 67% 0% 2 Search SAR+ARCS Search SAR+ARCS
9 MID LATITUDE TROUGH 2 50% 0% 3 Search MID+LATITUDE+TROUGH Search MID+LATITUDE+TROUGH
10 HF PROPAGATION 2 31% 0% 5 Search HF+PROPAGATION Search HF+PROPAGATION

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 IONIZATION PATCHES 40 76% 3% 28
2 F LAYER PATCHES 33 83% 2% 19
3 IONIZATION TROUGHS 30 84% 2% 16
4 SUBAURORAL ION DRIFTS 25 60% 3% 27
5 SUB AURORAL LATITUDES 23 100% 1% 10
6 CAP F REGION 21 85% 1% 11
7 DIRECTED ELECTRIC FIELDS 21 85% 1% 11
8 ION DRIFTS 20 49% 3% 30
9 POLARIZATION STREAM 18 89% 1% 8
10 GRADIENT DRIFT INSTABILITY 17 57% 2% 20

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
HIGH-LATITUDE F-REGION IRREGULARITIES - A REVIEW AND SYNTHESIS 1988 250 128 53%
THE ROLE OF ION DRIFT IN THE FORMATION OF IONIZATION TROUGHS IN THE MIDLATITUDE AND HIGH-LATITUDE IONOSPHERE - A REVIEW 1992 126 89 43%
GLOBAL SCALE, PHYSICAL MODELS OF THE F-REGION IONOSPHERE 1989 50 38 71%
High-altitude energy source(s) for stable auroral red arcs 1997 57 56 32%
Effect of Magnetic Storms (Substorms) on HF Propagation: A Review 2013 0 17 65%
Structure and dynamics of polar patches above Casey, Antarctica. 2002 1 10 90%
Imaging of the Antarctic ionosphere: Experimental results 2009 4 17 24%
AURORAL AND POLAR-CAP IONOSPHERIC EFFECTS ON RADIO PROPAGATION 1992 11 15 40%
SATELLITE EXPERIMENTS SIMULTANEOUS WITH ANTARCTIC MEASUREMENTS (SESAME) 1995 5 77 21%
ELECTRODYNAMICS AND PLASMA PROCESSES IN THE IONOSPHERE 1987 7 208 19%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ.
in class
1 UPPER ATMOSPHERE MODELLING GRP 3 50% 0.4% 4
2 GU 2 67% 0.2% 2
3 SPACE SCI RADIO ENGN 2 40% 0.4% 4
4 BRADLEY COMP ELECT ENGN 1 100% 0.2% 2
5 METEOROL OCEAN 1 40% 0.2% 2
6 YU G SHAFER COSMOPHYS AERON 1 21% 0.4% 4
7 AANII 1 50% 0.1% 1
8 ARGELANDER ASTROM 1 50% 0.1% 1
9 GPSM 1 50% 0.1% 1
10 SVERDRUP STN 1 50% 0.1% 1

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000170740 IONOSPHERE//TOTAL ELECTRON CONTENT//IRI MODEL
2 0.0000161608 EQUATORIAL SPREAD F//IONOSPHERIC IRREGULARITIES//EQUATORIAL IONOSPHERE
3 0.0000160063 OBSERV SERV//IONOSPHERIC PHYSICS//INCOHERENT SCATTER
4 0.0000159104 BACKSCATTER IONOGRAM//IONOSPHERIC SENSING//OBLIQUE BACKSCATTER SOUNDING
5 0.0000156442 SATELLITE DRAG//THERMOSPHERE//THERMOSPHERIC DYNAMICS
6 0.0000151746 MAGNETOPAUSE//MAGNETOPAUSE CUSP AND BOUNDARY LAYERS//MAGNETOPAUSE CUSP AND BOUNDARY LAYERS
7 0.0000138238 RING CURRENT//PLASMASPHERE//INNER MAGNETOSPHERE
8 0.0000100943 IONOSPHERIC IRREGULARITIES//SPORADIC E//FARLEY BUNEMAN WAVES
9 0.0000093986 QP EMISSIONS//PULSATING AURORA//QUASIPERIODIC EMISSIONS
10 0.0000083144 EMIC WAVES//IONOSPHERIC ALFVEN RESONATOR//PC1 PULSATIONS