Class information for:
Level 1: IONOSPHERIC IRREGULARITIES//SPORADIC E//SPORADIC E LAYER

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
23 4 ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 393400
45 3       JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//ASTRONOMY & ASTROPHYSICS//SOLAR PHYSICS 104301
491 2             IONOSPHERE//JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//EQUATORIAL IONOSPHERE 15919
9395 1                   IONOSPHERIC IRREGULARITIES//SPORADIC E//SPORADIC E LAYER 1192

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IONOSPHERIC IRREGULARITIES authKW 468513 7% 20% 87
2 SPORADIC E authKW 448208 2% 63% 27
3 SPORADIC E LAYER authKW 350416 2% 51% 26
4 MID LATITUDE IONOSPHERE authKW 217794 3% 20% 41
5 E REGION authKW 177672 1% 40% 17
6 JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS journal 175078 10% 6% 118
7 PLASMA WAVES AND INSTABILITIES authKW 166734 3% 17% 37
8 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS journal 146220 28% 2% 333
9 FARLEY BUNEMAN INSTABILITY authKW 135969 1% 86% 6
10 FARLEY BUNEMAN WAVES authKW 132193 0% 100% 5

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Meteorology & Atmospheric Sciences 22587 39% 0% 461
2 Astronomy & Astrophysics 20042 53% 0% 636
3 Geosciences, Multidisciplinary 7309 29% 0% 348
4 Geochemistry & Geophysics 6510 21% 0% 248
5 Remote Sensing 2034 6% 0% 70
6 Telecommunications 388 5% 0% 65
7 Engineering, Aerospace 199 2% 0% 26
8 Physics, Fluids & Plasmas 70 2% 0% 29
9 Physics, Multidisciplinary 11 3% 0% 39
10 Oceanography 7 1% 0% 12

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPACE ATMOSPHER STUDIES 130199 4% 12% 42
2 GEOSPACE STUDIES 97579 2% 15% 24
3 PHYS EXOSPHERE 52877 0% 100% 2
4 RADIO OBSERV JICAMARCA 40995 1% 14% 11
5 OBSERV SERV 35250 0% 67% 2
6 GEOFIS PERU 30036 0% 23% 5
7 COSMOL UNIT 26439 0% 100% 1
8 CRT SPACE PHYS 26439 0% 100% 1
9 DIPARTIMENTO INGN INFORMAZ ELETTRON TELECOMMUNI 26439 0% 100% 1
10 GEOPHYS STUDIES 26439 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS 175078 10% 6% 118
2 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 146220 28% 2% 333
3 ANNALES GEOPHYSICAE 76929 9% 3% 105
4 ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES 45232 4% 3% 51
5 GEOMAGNETIZM I AERONOMIYA 37973 6% 2% 71
6 JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 33253 6% 2% 69
7 RADIO SCIENCE 22433 5% 1% 63
8 GEOPHYSICAL RESEARCH LETTERS 12143 11% 0% 126
9 PLANETARY AND SPACE SCIENCE 4539 3% 1% 32
10 ADVANCES IN SPACE RESEARCH 2865 3% 0% 33

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 IONOSPHERIC IRREGULARITIES 468513 7% 20% 87 Search IONOSPHERIC+IRREGULARITIES Search IONOSPHERIC+IRREGULARITIES
2 SPORADIC E 448208 2% 63% 27 Search SPORADIC+E Search SPORADIC+E
3 SPORADIC E LAYER 350416 2% 51% 26 Search SPORADIC+E+LAYER Search SPORADIC+E+LAYER
4 MID LATITUDE IONOSPHERE 217794 3% 20% 41 Search MID+LATITUDE+IONOSPHERE Search MID+LATITUDE+IONOSPHERE
5 E REGION 177672 1% 40% 17 Search E+REGION Search E+REGION
6 PLASMA WAVES AND INSTABILITIES 166734 3% 17% 37 Search PLASMA+WAVES+AND+INSTABILITIES Search PLASMA+WAVES+AND+INSTABILITIES
7 FARLEY BUNEMAN INSTABILITY 135969 1% 86% 6 Search FARLEY+BUNEMAN+INSTABILITY Search FARLEY+BUNEMAN+INSTABILITY
8 FARLEY BUNEMAN WAVES 132193 0% 100% 5 Search FARLEY+BUNEMAN+WAVES Search FARLEY+BUNEMAN+WAVES
9 FIELD ALIGNED IRREGULARITIES 112703 1% 47% 9 Search FIELD+ALIGNED+IRREGULARITIES Search FIELD+ALIGNED+IRREGULARITIES
10 IONOSPHERE 102709 9% 4% 111 Search IONOSPHERE Search IONOSPHERE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 23409 INCOHERENT SCATTER RADAR//AMISR//INCOHERENT RADAR SPECTRA
2 3263 IONOSPHERIC IRREGULARITIES//EQUATORIAL IONOSPHERE//PLASMA BUBBLES
3 15954 EQUATORIAL ELECTROJET//SQ//COUNTER ELECTROJET
4 35472 ARTIFICIAL PERIODIC IRREGULARITIES//ARTIFICIAL PERIODIC IRREGULARITIES APIS//INTERNAL GRAVITY WAVE IGW
5 8733 TRAVELING IONOSPHERIC DISTURBANCES//MEDIUM SCALE TRAVELING IONOSPHERIC DISTURBANCES//MSTID
6 12727 SODIUM LAYER//SPORADIC SODIUM LAYERS//MESOSPHERIC METAL
7 3130 WAVES AND TIDES//PLANETARY WAVES//MIDDLE ATMOSPHERE DYNAMICS
8 8619 RADIO SCIENCE//MST RADAR//WIND PROFILER
9 547 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//PLASMA CONVECTION//MAGNETOSPHERIC PHYSICS
10 6855 NOCTILUCENT CLOUDS//POLAR MESOSPHERIC CLOUDS//PMSE

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