Class information for:
Level 1: SPORADIC SODIUM LAYERS//SODIUM LAYER//PERSISTENT TRAIN

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
11072 944 32.5 53%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
190 20795 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES//MIDDLE ATMOSPHERE DYNAMICS//MESOSPHERE

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 SPORADIC SODIUM LAYERS Author keyword 6 100% 0% 4
2 SODIUM LAYER Author keyword 5 37% 1% 11
3 PERSISTENT TRAIN Author keyword 4 67% 0% 4
4 RESONANCE LIDAR Author keyword 4 75% 0% 3
5 MESOSPHERIC SODIUM Author keyword 4 56% 1% 5
6 HIGH TEMP REACT KINET Address 4 41% 1% 7
7 HALOGEN ATOM ABSTRACTION Author keyword 3 60% 0% 3
8 SPORADIC E Author keyword 2 23% 1% 9
9 METEOROL KLIMAFOR ATMOSPHAR SPURENGASE Address 2 67% 0% 2
10 LIDAR OBSERVATION Author keyword 2 50% 0% 3

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 SPORADIC SODIUM LAYERS 6 100% 0% 4 Search SPORADIC+SODIUM+LAYERS Search SPORADIC+SODIUM+LAYERS
2 SODIUM LAYER 5 37% 1% 11 Search SODIUM+LAYER Search SODIUM+LAYER
3 PERSISTENT TRAIN 4 67% 0% 4 Search PERSISTENT+TRAIN Search PERSISTENT+TRAIN
4 RESONANCE LIDAR 4 75% 0% 3 Search RESONANCE+LIDAR Search RESONANCE+LIDAR
5 MESOSPHERIC SODIUM 4 56% 1% 5 Search MESOSPHERIC+SODIUM Search MESOSPHERIC+SODIUM
6 HALOGEN ATOM ABSTRACTION 3 60% 0% 3 Search HALOGEN+ATOM+ABSTRACTION Search HALOGEN+ATOM+ABSTRACTION
7 SPORADIC E 2 23% 1% 9 Search SPORADIC+E Search SPORADIC+E
8 LIDAR OBSERVATION 2 50% 0% 3 Search LIDAR+OBSERVATION Search LIDAR+OBSERVATION
9 DIFFERENTIAL ABLATION 1 50% 0% 2 Search DIFFERENTIAL+ABLATION Search DIFFERENTIAL+ABLATION
10 ION RAIN 1 100% 0% 2 Search ION+RAIN Search ION+RAIN

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 EXOTHERMIC HOMOLOGOUS REACTIONS 61 88% 3% 29
2 NA LAYERS 57 95% 2% 19
3 SUDDEN SODIUM LAYERS 32 85% 2% 17
4 SODIUM LAYERS 31 82% 2% 18
5 METEORIC METALS 27 76% 2% 19
6 TIA3F 27 83% 2% 15
7 ATMOSPHERIC SODIUM 25 70% 2% 21
8 CA LAYERS 23 100% 1% 10
9 MG1S 23 100% 1% 10
10 CHROMIUM ATOMS 21 73% 2% 16

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
Atmospheric chemistry of meteoric metals 2003 180 150 61%
Sporadic E: current views and recent progress 1998 177 62 56%
The Mesosphere and Metals: Chemistry and Changes 2015 2 286 30%
SPORADIC NEUTRAL METAL LAYERS IN THE MESOSPHERE AND LOWER THERMOSPHERE 1995 70 26 92%
Cosmic dust in the earth's atmosphere 2012 27 87 26%
High-latitude sporadic-E and other thin layers - The role of magnetospheric electric fields 2000 18 53 72%
A STUDY OF THE PRODUCTS OF THE GAS-PHASE REACTIONS M+N2O AND M+O3, WHERE M=NA OR K, WITH ULTRAVIOLET PHOTOELECTRON-SPECTROSCOPY 1993 34 41 88%
Meteoric layers in planetary atmospheres 2008 11 35 31%
THEORY OF THE ATMOSPHERIC SODIUM LAYER - A REVIEW 1986 18 35 80%
Thermodynamic properties of alkali metal hydroxides .1. Lithium and sodium hydroxides 1996 29 42 12%

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 HIGH TEMP REACT KINET 4 41% 0.7% 7
2 METEOROL KLIMAFOR ATMOSPHAR SPURENGASE 2 67% 0.2% 2
3 PUERTO RICO PHOTON 1 100% 0.2% 2
4 STARFIRE OPT RANGE 1 15% 0.6% 6
5 RADAR SPACE SCI 1 25% 0.3% 3
6 CLOUD AEROSOL CHEM 1 33% 0.2% 2
7 CHIM THEOR UMR6264 1 50% 0.1% 1
8 GPID 1 50% 0.1% 1
9 LUNAR PLANETARY OBSERV 1 50% 0.1% 1
10 SOCAR 1 50% 0.1% 1

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000132265 NOCTILUCENT CLOUDS//POLAR MESOSPHERIC CLOUDS//PMSE
2 0.0000124015 IONOSPHERIC IRREGULARITIES//SPORADIC E//FARLEY BUNEMAN WAVES
3 0.0000102908 MGNC//BAOH//MGCN
4 0.0000099421 WAVES AND TIDES//MIDDLE ATMOSPHERE DYNAMICS//GRAVITY WAVES
5 0.0000085019 METEORS//METEOROIDS//METEORS METEOROIDS
6 0.0000077974 SHANGHAI MOL CATALYSTS INNOVAT MAT//LADIR SPE OCHIM MOL//AL HYDROXIDES
7 0.0000077885 ALO//CHANGE OF GIBBS FREE ENERGY//STATE STATE SEPARATION
8 0.0000074629 IONOSPHERIC TRENDS//THERMOSPHERIC CIRCULATION//LONG TERM TRENDS
9 0.0000063115 DOPPLER GLOBAL VELOCIMETRY//ATOMIC FILTER//PLANAR DOPPLER VELOCIMETRY
10 0.0000060666 AERON GRP//SERV CHIM PHYS MOL//AERON PROGRAM