Class information for:
Level 1: ARTIFICIAL PERIODIC IRREGULARITIES//ARTIFICIAL PERIODIC IRREGULARITIES APIS//INTERNAL GRAVITY WAVE IGW

Basic class information

Class id #P Avg. number of
references
Database coverage
of references
33602 122 15.7 30%



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
18 4 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL 531182
473 3       GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS//PHYSICS, FLUIDS & PLASMAS//JOURNAL OF FLUID MECHANICS 23960
3347 2             IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOFIZIKA//METEOR BURST COMMUNICATION//COHERENT FIELD IMAGING 1722
33602 1                   ARTIFICIAL PERIODIC IRREGULARITIES//ARTIFICIAL PERIODIC IRREGULARITIES APIS//INTERNAL GRAVITY WAVE IGW 122

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 ARTIFICIAL PERIODIC IRREGULARITIES authKW 333721 2% 67% 2
2 ARTIFICIAL PERIODIC IRREGULARITIES APIS authKW 250292 1% 100% 1
3 INTERNAL GRAVITY WAVE IGW authKW 250292 1% 100% 1
4 THE ARTIFICIAL PERIODIC IRREGULARITIES authKW 250292 1% 100% 1
5 THE ATMOSPHERIC PARAMETERS authKW 250292 1% 100% 1
6 HIGH POWER RADIO WAVES authKW 125145 1% 50% 1
7 IONOSPHERE STRUCTURE authKW 125145 1% 50% 1
8 GEOMAGNETIZM I AERONOMIYA journal 87733 29% 1% 35
9 IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOFIZIKA journal 83917 21% 1% 26
10 NIRFI address 50057 1% 20% 1

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 Geochemistry & Geophysics 2548 40% 0% 49
2 Engineering, Electrical & Electronic 398 34% 0% 42
3 Meteorology & Atmospheric Sciences 314 15% 0% 18
4 Physics, Applied 216 29% 0% 35
5 Engineering, Aerospace 118 5% 0% 6
6 Telecommunications 81 7% 0% 9
7 Remote Sensing 64 3% 0% 4
8 Astronomy & Astrophysics 33 8% 0% 10
9 History & Philosophy of Science 24 2% 0% 2
10 Geosciences, Multidisciplinary 19 6% 0% 7

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 NIRFI 50057 1% 20% 1
2 NV PUSHKOV TERR MAGNETISM IONOSPHERE RADIO 34519 2% 7% 2
3 PUSHKOV TER TRIAL MAGNETISM IONOSPHERE R 16684 1% 7% 1
4 PUSHKOV TERR MAGNETISM IONOSPHERE RADIOWAV 7982 2% 1% 3
5 SOLAR SPACE PHYS 4721 1% 2% 1
6 HAYSTACK OBSERV 1853 2% 0% 2
7 RADIOPHYS 1831 2% 0% 3
8 COLORADO ASSOCIATES 1288 1% 1% 1
9 GEOSPHERE DYNAM 1196 1% 0% 1
10 PUSHKOV TERR MAGNETISM IONOSPHERE RADIO WA 1045 1% 0% 1

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 GEOMAGNETIZM I AERONOMIYA 87733 29% 1% 35
2 IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOFIZIKA 83917 21% 1% 26
3 SPACE SOLAR POWER REVIEW 35192 2% 5% 3
4 RADIOPHYSICS AND QUANTUM ELECTRONICS 26799 7% 1% 9
5 GEOMAGNETISM AND AERONOMY 8066 7% 0% 8
6 PHYSICS-USPEKHI 3483 3% 0% 4
7 HERALD OF THE RUSSIAN ACADEMY OF SCIENCES 2865 2% 1% 2
8 IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS 1555 2% 0% 3
9 IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOELEKTRONIKA 1144 2% 0% 2
10 JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS 1067 2% 0% 3

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 ARTIFICIAL PERIODIC IRREGULARITIES 333721 2% 67% 2 Search ARTIFICIAL+PERIODIC+IRREGULARITIES Search ARTIFICIAL+PERIODIC+IRREGULARITIES
2 ARTIFICIAL PERIODIC IRREGULARITIES APIS 250292 1% 100% 1 Search ARTIFICIAL+PERIODIC+IRREGULARITIES+APIS Search ARTIFICIAL+PERIODIC+IRREGULARITIES+APIS
3 INTERNAL GRAVITY WAVE IGW 250292 1% 100% 1 Search INTERNAL+GRAVITY+WAVE+IGW Search INTERNAL+GRAVITY+WAVE+IGW
4 THE ARTIFICIAL PERIODIC IRREGULARITIES 250292 1% 100% 1 Search THE+ARTIFICIAL+PERIODIC+IRREGULARITIES Search THE+ARTIFICIAL+PERIODIC+IRREGULARITIES
5 THE ATMOSPHERIC PARAMETERS 250292 1% 100% 1 Search THE+ATMOSPHERIC+PARAMETERS Search THE+ATMOSPHERIC+PARAMETERS
6 HIGH POWER RADIO WAVES 125145 1% 50% 1 Search HIGH+POWER+RADIO+WAVES Search HIGH+POWER+RADIO+WAVES
7 IONOSPHERE STRUCTURE 125145 1% 50% 1 Search IONOSPHERE+STRUCTURE Search IONOSPHERE+STRUCTURE
8 PERMITTIVITY PROFILE 50057 1% 20% 1 Search PERMITTIVITY+PROFILE Search PERMITTIVITY+PROFILE
9 IONOSPHERIC ELECTROMAGNETIC WAVE PROPAGATION 35754 1% 14% 1 Search IONOSPHERIC+ELECTROMAGNETIC+WAVE+PROPAGATION Search IONOSPHERIC+ELECTROMAGNETIC+WAVE+PROPAGATION
10 PLASMA SLAB 35754 1% 14% 1 Search PLASMA+SLAB Search PLASMA+SLAB

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 BAKHMETIEVA, NV , GRACH, SM , SERGEEV, EN , SHINDIN, AV , MILIKH, GM , SIEFRING, CL , BERNHARDT, PA , MCCARRICK, M , (2016) ARTIFICIAL PERIODIC IRREGULARITIES IN THE HIGH-LATITUDE IONOSPHERE EXCITED BY THE HAARP FACILITY.RADIO SCIENCE. VOL. 51. ISSUE 7. P. 999 -1009 14 93% 0
2 BELIKOVICH, VV , BENEDIKTOV, EA , GONCHAROV, NP , TOLMACHEVA, AV , (1997) DIAGNOSTICS OF THE IONOSPHERE AND NEUTRAL ATMOSPHERE AT E-REGION HEIGHTS USING ARTIFICIAL PERIODIC IN HOMOGENEITIES.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS. VOL. 59. ISSUE 18. P. 2447-2460 10 71% 10
3 TOLMACHEVA, AV , BAKHMETIEVA, NV , GRIGORIEV, GI , KALININA, EE , (2015) THE MAIN RESULTS OF THE LONG-TERM MEASUREMENTS OF THE NEUTRAL ATMOSPHERE PARAMETERS BY THE ARTIFICIAL PERIODIC IRREGULARITIES TECHNIQUES.ADVANCES IN SPACE RESEARCH. VOL. 56. ISSUE 6. P. 1185 -1193 8 53% 1
4 BELIKOVICH, VV , BENEDIKTOV, EA , TOLMACHEVA, AV , (2002) MEASUREMENTS OF THE PARAMETERS OF THE MIDLATITUDE UPPER ATMOSPHERE WITH THE AID OF ARTIFICIAL PERIODIC IRREGULARITIES OF IONOSPHERIC PLASMA.IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS. VOL. 38. ISSUE 1. P. 89-95 9 64% 5
5 SINGH, R , SHARMA, AK , TRIPATHI, VK , (2011) GRATING FORMATION BY A HIGH POWER RADIO WAVE IN NEAR-EQUATOR IONOSPHERE.PHYSICS OF PLASMAS. VOL. 18. ISSUE 11. P. - 6 75% 0
6 KUMAR, A , UMA, R , TRIPATHI, VK , (2006) NONLINEAR REFLECTION OF A HIGH-FREQUENCY RADIO WAVE BY THE IONOSPHERIC GRATING CREATED BY ANOTHER WAVE.RADIO SCIENCE. VOL. 41. ISSUE 4. P. - 5 100% 0
7 BELIKOVICH, VV , GONCHAROV, NP , (1994) STUDY OF THE IONOSPHERIC D-REGION BY MEANS OF ARTIFICIAL PERIODIC IRREGULARITIES.GEOMAGNETIZM I AERONOMIYA. VOL. 34. ISSUE 6. P. 84-95 8 89% 1
8 BELIKOVICH, VV , BENEDIKTOV, EA , GONCHAROV, NP , TOLMACHEVA, AV , (1995) IONOSPHERE AND ATMOSPHERE DIAGNOSTICS AT E-REGION ALTITUDES USING ARTIFICIAL PERIODIC INHOMOGENEITIES.GEOMAGNETIZM I AERONOMIYA. VOL. 35. ISSUE 4. P. 64-81 9 75% 0
9 BAKHMET'EVA, NV , GRIGOR'EV, GI , TOLMACHEVA, AV , (2011) ARTIFICIAL PERIODIC IRREGULARITIES, HYDRODYNAMIC INSTABILITIES, AND DYNAMIC PROCESSES IN THE MESOSPHERE-LOWER THERMOSPHERE.RADIOPHYSICS AND QUANTUM ELECTRONICS. VOL. 53. ISSUE 11. P. 623-637 6 67% 0
10 BELIKOVICH, VV , BENEDIKTOV, EA , TRUNOV, DV , (2000) HEIGHT PROFILES OF THE AMPLITUDE AND RELAXATION TIME OF ARTIFICIAL PERIODIC IRREGULARITIES IN THE D REGION.GEOMAGNETISM AND AERONOMY. VOL. 40. ISSUE 6. P. 733-738 5 100% 0

Classes with closest relation at Level 1



Rank Class id link
1 7501 ACTIVE EXPERIMENTS//IONOSPHERIC HEATING//STIMULATED ELECTROMAGNETIC EMISSION
2 34080 200 KV ION IMPLANTATION EQUIPMENT//CHARGED MICRO PARTICLES//CHARGED MICROPARTICLES
3 31795 ENVIRONM SYST DIRECTORATE//AVIAT ENVIRONM TEAM//AEROSP HEATING ENGN
4 23854 LYAPUNOV CHARACTERISTIC PARAMETER//MULTICHANNEL SCATTERING//TWO CHANNEL SCATTERING
5 35381 THEORY OF SYMMETRY//3 PORT 4 PORT COMPONENTS//AGCY UFPA
6 8399 NOCTILUCENT CLOUDS//POLAR MESOSPHERIC CLOUDS//PMSE
7 9470 IONOSPHERIC IRREGULARITIES//SPORADIC E//SPORADIC E LAYER
8 33689 IZVESTIYA AKADEMII NAUK SSSR FIZIKA ATMOSFERY I OKEANA//METHOD OF MOSS BIOMONITORS//MULTIPLICATIVE CORRELATED NOISE
9 34795 METEOR BURST COMMUNICATION//DATA COLLECTION NETWORK SYSTEM//RADIO PACKET COMMUNICATION
10 24617 KOREA SOUNDING ROCKET KSR//KSR III//MILLIMETER WAVE REMOTE SENSING

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