Class information for:
Level 1: NOCTILUCENT CLOUDS//POLAR MESOSPHERIC CLOUDS//PMSE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
8399 1256 31.1 65%


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
19 4 ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON 523489
45 3       JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//ASTRONOMY & ASTROPHYSICS//SOLAR PHYSICS 95613
828 2             MESOSPHERE//JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS//JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS 11850
8399 1                   NOCTILUCENT CLOUDS//POLAR MESOSPHERIC CLOUDS//PMSE 1256

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 NOCTILUCENT CLOUDS authKW 1651917 6% 89% 76
2 POLAR MESOSPHERIC CLOUDS authKW 1036544 4% 84% 51
3 PMSE authKW 864345 3% 89% 40
4 LEIBNIZ ATMOSPHER PHYS address 753101 6% 42% 73
5 MESOSPHERE authKW 411729 6% 24% 72
6 POLAR SUMMER MESOSPHERE authKW 218790 1% 100% 9
7 POLAR MESOSPHERE SUMMER ECHOES authKW 179006 1% 82% 9
8 SOFIE authKW 179006 1% 82% 9
9 AEROSOLS AND PARTICLES authKW 174295 2% 23% 31
10 COMPOSITION AND CHEMISTRY authKW 153545 2% 24% 26

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 62730 62% 0% 784
2 Geosciences, Multidisciplinary 11096 35% 0% 437
3 Geochemistry & Geophysics 5892 19% 0% 244
4 Astronomy & Astrophysics 4002 24% 0% 304
5 Engineering, Aerospace 1976 6% 0% 78
6 Remote Sensing 465 3% 0% 35
7 Physics, Fluids & Plasmas 43 2% 0% 25
8 Imaging Science & Photographic Technology 23 1% 0% 10
9 Telecommunications 21 2% 0% 22
10 Oceanography 10 1% 0% 14

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 LEIBNIZ ATMOSPHER PHYS 753101 6% 42% 73
2 RADAR SOUNDINGS SOUNDING ROCKETS 121550 0% 100% 5
3 MRI ATMOSPHER PROGRAMME 97232 1% 50% 8
4 COMMUN WAVE PROPAGAT 81020 1% 33% 10
5 METEOROL MUNCHEN 74441 1% 44% 7
6 COMMUN NETWORKS SATELLITE COMMUN 63929 1% 24% 11
7 ATMOSPHER SPACE PHYS 50999 5% 3% 65
8 KINARD 105 48620 0% 100% 2
9 OPT SOUNDINGS 48620 0% 100% 2
10 LEIBNIZ ATMOSPHARENPHYS 33809 1% 17% 8

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 ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 140265 12% 4% 146
2 JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS 93595 7% 4% 90
3 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 53266 17% 1% 216
4 ANNALES GEOPHYSICAE 49360 7% 2% 87
5 GEOPHYSICAL RESEARCH LETTERS 30824 16% 1% 206
6 METEOROLOGICAL MAGAZINE 12695 1% 4% 13
7 ADVANCES IN SPACE RESEARCH 12274 6% 1% 70
8 ADVANCES IN SPACE RESEARCH-SERIES 8067 3% 1% 35
9 GEOMAGNETISM AND AERONOMY 5893 2% 1% 22
10 ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES 4598 1% 1% 17

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 NOCTILUCENT CLOUDS 1651917 6% 89% 76 Search NOCTILUCENT+CLOUDS Search NOCTILUCENT+CLOUDS
2 POLAR MESOSPHERIC CLOUDS 1036544 4% 84% 51 Search POLAR+MESOSPHERIC+CLOUDS Search POLAR+MESOSPHERIC+CLOUDS
3 PMSE 864345 3% 89% 40 Search PMSE Search PMSE
4 MESOSPHERE 411729 6% 24% 72 Search MESOSPHERE Search MESOSPHERE
5 POLAR SUMMER MESOSPHERE 218790 1% 100% 9 Search POLAR+SUMMER+MESOSPHERE Search POLAR+SUMMER+MESOSPHERE
6 POLAR MESOSPHERE SUMMER ECHOES 179006 1% 82% 9 Search POLAR+MESOSPHERE+SUMMER+ECHOES Search POLAR+MESOSPHERE+SUMMER+ECHOES
7 SOFIE 179006 1% 82% 9 Search SOFIE Search SOFIE
8 AEROSOLS AND PARTICLES 174295 2% 23% 31 Search AEROSOLS+AND+PARTICLES Search AEROSOLS+AND+PARTICLES
9 COMPOSITION AND CHEMISTRY 153545 2% 24% 26 Search COMPOSITION+AND+CHEMISTRY Search COMPOSITION+AND+CHEMISTRY
10 METEORIC SMOKE 151930 1% 63% 10 Search METEORIC+SMOKE Search METEORIC+SMOKE

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 RAPP, M , LUBKEN, FJ , (2004) POLAR MESOSPHERE SUMMER ECHOES (PMSE): REVIEW OF OBSERVATIONS AND CURRENT UNDERSTANDING.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 4. ISSUE . P. 2601 -2633 138 90% 225
2 BIEBRICHER, A , HAVNES, O , BAST, R , (2012) ON THE NECESSARY COMPLEXITY OF MODELING OF THE POLAR MESOSPHERE SUMMER ECHO OVERSHOOT EFFECT.JOURNAL OF PLASMA PHYSICS. VOL. 78. ISSUE . P. 225 -239 90 89% 1
3 BIEBRICHER, A , HAVNES, O , (2012) NON-EQUILIBRIUM MODELING OF THE PMSE OVERSHOOT EFFECT REVISITED: A COMPREHENSIVE STUDY.JOURNAL OF PLASMA PHYSICS. VOL. 78. ISSUE . P. 303 -319 79 89% 8
4 FRIEDRICH, M , RAPP, M , (2009) NEWS FROM THE LOWER IONOSPHERE: A REVIEW OF RECENT DEVELOPMENTS.SURVEYS IN GEOPHYSICS. VOL. 30. ISSUE 6. P. 525 -559 90 78% 40
5 CHO, JYN , ROTTGER, J , (1997) AN UPDATED REVIEW OF POLAR MESOSPHERE SUMMER ECHOES: OBSERVATION, THEORY, AND THEIR RELATIONSHIP TO NOCTILUCENT CLOUDS AND SUBVISIBLE AEROSOLS.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. VOL. 102. ISSUE D2. P. 2001 -2020 100 81% 220
6 WILMS, H , RAPP, M , KIRSCH, A , (2016) NUCLEATION OF MESOSPHERIC CLOUD PARTICLES: SENSITIVITIES AND LIMITS.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. VOL. 121. ISSUE 3. P. 2621 -2644 64 72% 0
7 HAVNES, O , PINEDO, H , LA HOZ, C , SENIOR, A , HARTQUIST, TW , RIETVELD, MT , KOSCH, MJ , (2015) A COMPARISON OF OVERSHOOT MODELLING WITH OBSERVATIONS OF POLAR MESOSPHERIC SUMMER ECHOES AT RADAR FREQUENCIES OF 56 AND 224 MHZ.ANNALES GEOPHYSICAE. VOL. 33. ISSUE 6. P. 737 -747 46 94% 0
8 ROBERTSON, S , HORANYI, M , KNAPPMILLER, S , STERNOVSKY, Z , HOLZWORTH, R , SHIMOGAWA, M , FRIEDRICH, M , TORKAR, K , GUMBEL, J , MEGNER, L , ET AL (2009) MASS ANALYSIS OF CHARGED AEROSOL PARTICLES IN NLC AND PMSE DURING THE ECOMA/MASS CAMPAIGN.ANNALES GEOPHYSICAE. VOL. 27. ISSUE 3. P. 1213 -1232 55 85% 22
9 ROBERTSON, S , DICKSON, S , HORANYI, M , STERNOVSKY, Z , FRIEDRICH, M , JANCHES, D , MEGNER, L , WILLIAMS, B , (2014) DETECTION OF METEORIC SMOKE PARTICLES IN THE MESOSPHERE BY A ROCKET-BORNE MASS SPECTROMETER.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS. VOL. 118. ISSUE . P. 161 -179 49 84% 6
10 DELAND, MT , THOMAS, GE , (2015) UPDATED PMC TRENDS DERIVED FROM SBUV DATA.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. VOL. 120. ISSUE 5. P. 2140 -2166 49 73% 9

Classes with closest relation at Level 1


Rank Class id link
1 14889 SODIUM LAYER//SPORADIC SODIUM LAYERS//MESOSPHERIC METAL
2 1792 GRAVITY WAVES//MST RADAR//RADIO SCIENCE
3 2215 MIDDLE ATMOSPHERE DYNAMICS//WAVES AND TIDES//PLANETARY WAVES
4 18037 LONG TERM TRENDS//IONOSPHERIC TRENDS//GEOMAGNETISM AND AERONOMY
5 11881 IONIZATION MODEL//ATMOSPHERIC IONIZATION//IMAGING RIOMETER
6 7406 AIRGLOW//AIRGLOW AND AURORA//HYDROXYL AIRGLOW
7 33602 ARTIFICIAL PERIODIC IRREGULARITIES//ARTIFICIAL PERIODIC IRREGULARITIES APIS//INTERNAL GRAVITY WAVE IGW
8 17803 POLAR PATROL BALLOON//PROTON AFFINITY G2 CALCULATION//HIGH PRESSURE MASS SPECTROMETER
9 24617 KOREA SOUNDING ROCKET KSR//KSR III//MILLIMETER WAVE REMOTE SENSING
10 35022 ALL RUSSIA PETR EXPLORAT VNIGRI//ISM CLOUDS GENERAL CHAMELEON//MINICOMETS

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