Class information for:
Level 1: SPRITE//SCHUMANN RESONANCE//TERRESTRIAL GAMMA RAY FLASHES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3894 1886 31.2 60%


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
24 4 ENGINEERING, ELECTRICAL & ELECTRONIC//IEEE TRANSACTIONS ON POWER SYSTEMS//IEEE TRANSACTIONS ON POWER ELECTRONICS 122956
622 3       LIGHTNING//IEEE TRANSACTIONS ON POWER DELIVERY//VARISTORS 13649
1049 2             LIGHTNING//VARISTORS//IEEE TRANSACTIONS ON POWER DELIVERY 10094
3894 1                   SPRITE//SCHUMANN RESONANCE//TERRESTRIAL GAMMA RAY FLASHES 1886

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SPRITE authKW 801213 5% 54% 92
2 SCHUMANN RESONANCE authKW 691403 3% 69% 62
3 TERRESTRIAL GAMMA RAY FLASHES authKW 356826 1% 96% 23
4 TRANSIENT LUMINOUS EVENTS authKW 326470 1% 92% 22
5 LIGHTNING authKW 323526 9% 12% 168
6 EARTH IONOSPHERE WAVEGUIDE authKW 244666 1% 66% 23
7 STAR address 204977 4% 19% 68
8 PHYS SPACE SCI address 194619 4% 16% 73
9 SPACE TELECOMMUN RADIOSCI address 192667 2% 32% 37
10 CSSL address 188506 1% 61% 19

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Meteorology & Atmospheric Sciences 25213 33% 0% 616
2 Astronomy & Astrophysics 13033 35% 0% 658
3 Geochemistry & Geophysics 7854 18% 0% 346
4 Geosciences, Multidisciplinary 7745 24% 0% 455
5 Remote Sensing 3542 6% 0% 114
6 Telecommunications 1718 9% 0% 161
7 Engineering, Aerospace 234 2% 0% 36
8 Physics, Multidisciplinary 174 6% 0% 116
9 Physics, Fluids & Plasmas 72 2% 0% 39
10 Engineering, Electrical & Electronic 44 6% 0% 107

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 STAR 204977 4% 19% 68
2 PHYS SPACE SCI 194619 4% 16% 73
3 SPACE TELECOMMUN RADIOSCI 192667 2% 32% 37
4 CSSL 188506 1% 61% 19
5 YUCCA RIDGE FIELD STN 176272 1% 78% 14
6 COMMUN SPACE SCI 153991 2% 31% 31
7 AIR WEATHER GRP 131127 0% 90% 9
8 SPACE ATMOSPHER OCEAN SCI 114567 1% 37% 19
9 SPACE SCI EOS 83255 0% 86% 6
10 GGI 80944 0% 100% 5

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 107768 19% 2% 361
2 JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 92038 8% 4% 145
3 GEOPHYSICAL RESEARCH LETTERS 48625 17% 1% 317
4 RADIO SCIENCE 38020 6% 2% 104
5 JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS 33452 3% 3% 66
6 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 13700 7% 1% 135
7 JOURNAL OF THE RADIO RESEARCH LABORATORY 7091 0% 9% 5
8 RADIOPHYSICS AND QUANTUM ELECTRONICS 4789 1% 2% 15
9 GEOMAGNETISM AND AERONOMY 4657 1% 1% 24
10 ANNALES GEOPHYSICAE 3361 1% 1% 28

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 SPRITE 801213 5% 54% 92 Search SPRITE Search SPRITE
2 SCHUMANN RESONANCE 691403 3% 69% 62 Search SCHUMANN+RESONANCE Search SCHUMANN+RESONANCE
3 TERRESTRIAL GAMMA RAY FLASHES 356826 1% 96% 23 Search TERRESTRIAL+GAMMA+RAY+FLASHES Search TERRESTRIAL+GAMMA+RAY+FLASHES
4 TRANSIENT LUMINOUS EVENTS 326470 1% 92% 22 Search TRANSIENT+LUMINOUS+EVENTS Search TRANSIENT+LUMINOUS+EVENTS
5 LIGHTNING 323526 9% 12% 168 Search LIGHTNING Search LIGHTNING
6 EARTH IONOSPHERE WAVEGUIDE 244666 1% 66% 23 Search EARTH+IONOSPHERE+WAVEGUIDE Search EARTH+IONOSPHERE+WAVEGUIDE
7 RED SPRITE 179320 1% 92% 12 Search RED+SPRITE Search RED+SPRITE
8 BLUE JETS 161888 1% 100% 10 Search BLUE+JETS Search BLUE+JETS
9 GIGANTIC JET 161888 1% 100% 10 Search GIGANTIC+JET Search GIGANTIC+JET
10 ELVES 151988 1% 72% 13 Search ELVES Search ELVES

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 DWYER, JR , SMITH, DM , CUMMER, SA , (2012) HIGH-ENERGY ATMOSPHERIC PHYSICS: TERRESTRIAL GAMMA-RAY FLASHES AND RELATED PHENOMENA.SPACE SCIENCE REVIEWS. VOL. 173. ISSUE 1-4. P. 133 -196 195 88% 75
2 DWYER, JR , UMAN, MA , (2014) THE PHYSICS OF LIGHTNING.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 534. ISSUE 4. P. 147 -241 197 65% 53
3 INAN, US , CUMMER, SA , MARSHALL, RA , (2010) A SURVEY OF ELF AND VLF RESEARCH ON LIGHTNING-IONOSPHERE INTERACTIONS AND CAUSATIVE DISCHARGES.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. VOL. 115. ISSUE . P. - 165 94% 46
4 PASKO, VP , YAIR, Y , KUO, CL , (2012) LIGHTNING RELATED TRANSIENT LUMINOUS EVENTS AT HIGH ALTITUDE IN THE EARTH'S ATMOSPHERE: PHENOMENOLOGY, MECHANISMS AND EFFECTS.SPACE SCIENCE REVIEWS. VOL. 168. ISSUE 1-4. P. 475 -516 164 82% 30
5 SURKOV, VV , HAYAKAWA, M , (2012) UNDERLYING MECHANISMS OF TRANSIENT LUMINOUS EVENTS: A REVIEW.ANNALES GEOPHYSICAE. VOL. 30. ISSUE 8. P. 1185 -1212 159 90% 6
6 SIINGH, D , SINGH, RP , SINGH, AK , KUMAR, S , KULKARNI, MN , SINGH, AK , (2012) DISCHARGES IN THE STRATOSPHERE AND MESOSPHERE.SPACE SCIENCE REVIEWS. VOL. 169. ISSUE 1-4. P. 73 -121 183 76% 5
7 LIU, NY , MCHARG, MG , STENBAEK-NIELSEN, HC , (2015) HIGH-ALTITUDE ELECTRICAL DISCHARGES ASSOCIATED WITH THUNDERSTORMS AND LIGHTNING.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS. VOL. 136. ISSUE . P. 98 -118 129 90% 2
8 PASKO, VP , (2010) RECENT ADVANCES IN THEORY OF TRANSIENT LUMINOUS EVENTS.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. VOL. 115. ISSUE . P. - 144 71% 53
9 SIINGH, D , SINGH, RP , KUMAR, S , DHARMARAJ, T , SINGH, AK , SINGH, AK , PATIL, MN , SINGH, S , (2015) LIGHTNING AND MIDDLE ATMOSPHERIC DISCHARGES IN THE ATMOSPHERE.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS. VOL. 134. ISSUE . P. 78 -101 151 56% 0
10 PARRA-ROJAS, FC , LUQUE, A , GORDILLO-VAZQUEZ, FJ , (2015) CHEMICAL AND THERMAL IMPACTS OF SPRITE STREAMERS IN THE EARTH'S MESOSPHERE.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. VOL. 120. ISSUE 10. P. 8899 -8933 87 95% 1

Classes with closest relation at Level 1


Rank Class id link
1 4652 LIGHTNING//THUNDERSTORM//LIGHTNING ACTIVITY
2 37716 FLOATING STRIP//IST FIS SPAZIALE FIS COSM//VA140
3 11190 STREAMER//EUG//TRICHEL PULSES
4 1148 RADIATION BELTS//WAVE PARTICLE INTERACTIONS//JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
5 19203 SOLAR ECLIPSE//TOTAL SOLAR ECLIPSE//ANNULAR SOLAR ECLIPSE
6 2432 LIGHTNING//LIGHTNING PROTECTION//LIGHTNING INDUCED VOLTAGES
7 11881 IONIZATION MODEL//ATMOSPHERIC IONIZATION//IMAGING RIOMETER
8 3621 STN SEISMO ELE OMAGNET//IONOSPHERIC PERTURBATIONS//EARTHQUAKE PRECURSORS
9 7002 ATMOSPHERIC ELECTRICITY//GLOBAL ELECTRIC CIRCUIT//SOLAR ACTIVITY
10 23582 PULSATING AURORA//OMEGA BANDS//VLF HISS

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