Class information for:
Level 1: VLF EM//VLF ELECTROMAGNETIC//VLF EM METHOD

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
392 3       GEOPHYSICS//GEOPHYSICAL PROSPECTING//GEOCHEMISTRY & GEOPHYSICS 32579
591 2             JOURNAL OF APPLIED GEOPHYSICS//GEOPHYSICS//GROUND PENETRATING RADAR 14633
26773 1                   VLF EM//VLF ELECTROMAGNETIC//VLF EM METHOD 266

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 VLF EM authKW 1269463 6% 71% 15
2 VLF ELECTROMAGNETIC authKW 379147 2% 80% 4
3 VLF EM METHOD authKW 379147 2% 80% 4
4 FRASER FILTER authKW 355452 1% 100% 3
5 SPSZ authKW 266587 1% 75% 3
6 VLF R authKW 266587 1% 75% 3
7 BELDIH MINE authKW 236968 1% 100% 2
8 GEOPHYSICAL TOOLS authKW 236968 1% 100% 2
9 GRADIENT RESISTIVITY PROFILING authKW 236968 1% 100% 2
10 VLF SURVEY authKW 236968 1% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Geochemistry & Geophysics 8357 49% 0% 130
2 Geosciences, Multidisciplinary 3298 41% 0% 109
3 Mining & Mineral Processing 3284 12% 0% 31
4 Water Resources 139 7% 0% 18
5 Mineralogy 105 3% 0% 8
6 Geography, Physical 24 2% 0% 5
7 Geology 24 2% 0% 4
8 Remote Sensing 12 1% 0% 3
9 Geography 10 1% 0% 3
10 Archaeology 9 1% 0% 2

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 THEORET MODELING GRP 133291 1% 38% 3
2 BACKUP 118484 0% 100% 1
3 DIPARIMENTO GEOINGN TECNOL AMBIENTALI 118484 0% 100% 1
4 LUMBERGER GEOSOLUT 118484 0% 100% 1
5 MINIST AGR FORET 118484 0% 100% 1
6 PL MARINE PHYS UNDERWATER TECHNOL 118484 0% 100% 1
7 CERS GEO 59241 0% 50% 1
8 NEAR SUR E GEOPHYS ARCHAEOL PROSPECT 59241 0% 50% 1
9 CSIR MATH MODELING COMP SIMULAT 39493 0% 33% 1
10 DEGGE IDL 39493 0% 33% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GEOPHYSICAL PROSPECTING 158764 21% 2% 57
2 GEOEXPLORATION 121149 6% 7% 15
3 GERLANDS BEITRAGE ZUR GEOPHYSIK 57630 2% 8% 6
4 JOURNAL OF APPLIED GEOPHYSICS 26855 9% 1% 23
5 GEOPHYSICS 12888 11% 0% 29
6 ARABIAN JOURNAL OF GEOSCIENCES 5590 5% 0% 12
7 JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA 5576 5% 0% 14
8 TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION B-APPLIED EARTH SCIENCE 4320 2% 1% 4
9 ANNALI DI GEOFISICA 3597 1% 1% 3
10 ACTA GEOPHYSICA 2282 2% 0% 4

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 VLF EM 1269463 6% 71% 15 Search VLF+EM Search VLF+EM
2 VLF ELECTROMAGNETIC 379147 2% 80% 4 Search VLF+ELECTROMAGNETIC Search VLF+ELECTROMAGNETIC
3 VLF EM METHOD 379147 2% 80% 4 Search VLF+EM+METHOD Search VLF+EM+METHOD
4 FRASER FILTER 355452 1% 100% 3 Search FRASER+FILTER Search FRASER+FILTER
5 SPSZ 266587 1% 75% 3 Search SPSZ Search SPSZ
6 VLF R 266587 1% 75% 3 Search VLF+R Search VLF+R
7 BELDIH MINE 236968 1% 100% 2 Search BELDIH+MINE Search BELDIH+MINE
8 GEOPHYSICAL TOOLS 236968 1% 100% 2 Search GEOPHYSICAL+TOOLS Search GEOPHYSICAL+TOOLS
9 GRADIENT RESISTIVITY PROFILING 236968 1% 100% 2 Search GRADIENT+RESISTIVITY+PROFILING Search GRADIENT+RESISTIVITY+PROFILING
10 VLF SURVEY 236968 1% 100% 2 Search VLF+SURVEY Search VLF+SURVEY

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 2008 ELECTRICAL RESISTIVITY TOMOGRAPHY//JOURNAL OF APPLIED GEOPHYSICS//ELECTRICAL RESISTIVITY IMAGING
2 2075 GEOPHYSICS//AIRBORNE ELECTROMAGNETICS//MARINE ELECTROMAGNETICS
3 1206 MAGNETOTELLURICS//MAGNETOTELLURIC//GEOMAGNETIC INDUCTION
4 12457 SELF POTENTIAL//SELF POTENTIAL ANOMALY//SP INTERPRETATION
5 27493 MUD VOLCANO//LUSI//SOUTH CASPIAN
6 4205 GEOPHYSICS//EULER DECONVOLUTION//POTENTIAL FIELD
7 33751 DIPMETER LOGGING//RASC//RASC METHOD
8 37075 LAND SUITABILITY EVALUATION//WATER SCI ENG//LAND UNITS
9 18249 HORIZONTAL ELECTRIC DIPOLE//ZENNECK WAVE//VERTICAL ELECTRIC DIPOLE
10 12771 GROUNDWATER POTENTIAL ZONES//GROUNDWATER POTENTIAL//LINEAMENTS

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