Class information for:
Level 1: VOLCANIC ASH//VOLCANIC PLUME//VOLCANIC CLOUDS

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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
0 3       GEOCHEMISTRY & GEOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY//GEOLOGY 272432
190 2             JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH//BULLETIN OF VOLCANOLOGY//GEOCHEMISTRY & GEOPHYSICS 20946
7729 1                   VOLCANIC ASH//VOLCANIC PLUME//VOLCANIC CLOUDS 1358

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 VOLCANIC ASH authKW 1142236 11% 34% 146
2 VOLCANIC PLUME authKW 435167 3% 51% 37
3 VOLCANIC CLOUDS authKW 284277 1% 88% 14
4 JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH journal 253423 18% 5% 241
5 ASH CLOUDS authKW 248634 1% 71% 15
6 BULLETIN OF VOLCANOLOGY journal 223103 10% 7% 130
7 EYJAFJALLAJOKULL authKW 214809 1% 51% 18
8 PLINIAN ERUPTION authKW 211899 2% 42% 22
9 VOLCANIC ASH CLOUD authKW 210967 1% 91% 10
10 MASS ERUPTION RATE authKW 185653 1% 100% 8

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Geosciences, Multidisciplinary 20898 46% 0% 618
2 Meteorology & Atmospheric Sciences 10296 25% 0% 336
3 Geochemistry & Geophysics 2685 13% 0% 174
4 Remote Sensing 668 3% 0% 44
5 Water Resources 492 6% 0% 78
6 Imaging Science & Photographic Technology 458 3% 0% 38
7 Geology 454 3% 0% 37
8 Environmental Sciences 289 9% 0% 121
9 Multidisciplinary Sciences 59 1% 0% 19
10 Public, Environmental & Occupational Health 44 4% 0% 52

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GEOL ENGN SCI 157224 2% 28% 24
2 CLIMATE ATMOSPHERE 106080 1% 57% 8
3 ARCTIC REG SUPER COMP 92826 0% 100% 4
4 SECT SCI TERRE ENVIRONM 81357 1% 22% 16
5 INENCO GEONORTE 69620 0% 100% 3
6 ALASKA VOLCANO OBSERV 69393 2% 11% 28
7 FORM 6 61882 0% 67% 4
8 SERV CHIM QUANT PHOTOPHYS 50398 2% 9% 24
9 ALASKA AVIAT WEATHER UNIT 46413 0% 100% 2
10 DEUT IPCC KOORDINIERUNGSSTELLE PROJEKTTRAGER 46413 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH 253423 18% 5% 241
2 BULLETIN OF VOLCANOLOGY 223103 10% 7% 130
3 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 10029 5% 1% 69
4 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 8926 7% 0% 92
5 ATMOSPHERIC CHEMISTRY AND PHYSICS 7107 4% 1% 51
6 ATMOSPHERIC MEASUREMENT TECHNIQUES 6074 2% 1% 23
7 NATURAL HAZARDS 5716 2% 1% 33
8 ANNALS OF GEOPHYSICS 3735 1% 1% 14
9 GEOPHYSICAL RESEARCH LETTERS 3314 5% 0% 71
10 NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 3241 1% 1% 19

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 VOLCANIC ASH 1142236 11% 34% 146 Search VOLCANIC+ASH Search VOLCANIC+ASH
2 VOLCANIC PLUME 435167 3% 51% 37 Search VOLCANIC+PLUME Search VOLCANIC+PLUME
3 VOLCANIC CLOUDS 284277 1% 88% 14 Search VOLCANIC+CLOUDS Search VOLCANIC+CLOUDS
4 ASH CLOUDS 248634 1% 71% 15 Search ASH+CLOUDS Search ASH+CLOUDS
5 EYJAFJALLAJOKULL 214809 1% 51% 18 Search EYJAFJALLAJOKULL Search EYJAFJALLAJOKULL
6 PLINIAN ERUPTION 211899 2% 42% 22 Search PLINIAN+ERUPTION Search PLINIAN+ERUPTION
7 VOLCANIC ASH CLOUD 210967 1% 91% 10 Search VOLCANIC+ASH+CLOUD Search VOLCANIC+ASH+CLOUD
8 MASS ERUPTION RATE 185653 1% 100% 8 Search MASS+ERUPTION+RATE Search MASS+ERUPTION+RATE
9 TEPHRA DEPOSITS 175493 1% 69% 11 Search TEPHRA+DEPOSITS Search TEPHRA+DEPOSITS
10 ERUPTIVE PARAMETERS 162446 1% 100% 7 Search ERUPTIVE+PARAMETERS Search ERUPTIVE+PARAMETERS

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 6963 LAHAR//PYROCLASTIC DENSITY CURRENT//PYROCLASTIC FLOW
2 21760 ANCIENT HIST CULTURE ARCHAEOL//YOUNGEST TOBA TUFF//TOBA TUFFS
3 6947 LAVA DOME//JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH//CRYSTAL SIZE DISTRIBUTION
4 4995 VOLCANIC GASES//SEZ PALERMO//JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH
5 11042 PHREATOMAGMATIC//SCORIA CONE//DIATREME
6 7179 VOLCANIC TREMOR//STROMBOLI//VOLCANO SEISMOLOGY
7 8367 CAMPI FLEGREI//OSSERVATORIO VESUVIANO//VESUVIUS
8 14833 LAVA FLOW//PAHOEHOE//EFFUSION RATE
9 13491 MT ETNA//OSSERVATORIO ETNEO//ETNA
10 22207 ARCTIC ANTARCTIC SCI//ATMOSPHERES TERRESTRIAL//GMCC MAUNA LOA OBSERV

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