Class information for:
Level 2: GAS HYDRATE//MUD VOLCANO//POCKMARKS

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
630 3       GAS HYDRATE//METHANE HYDRATE//OCEAN ACIDIFICATION 12463
2161 2             GAS HYDRATE//MUD VOLCANO//POCKMARKS 5308
1112 1                   GAS HYDRATE//POCKMARKS//AUTHIGENIC CARBONATES 2878
9673 1                   SHALE GAS//HYDRAULIC FRACTURING//FRACKING 1164
16314 1                   COAL SOLUBILIZATION//COAL BIODEGRADATION//BIOGENIC GAS 688
24604 1                   ADSORBED SOIL GAS//STARUNIA//CARPATHIAN REGION 330
27493 1                   MUD VOLCANO//LUSI//SOUTH CASPIAN 248

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GAS HYDRATE authKW 1607070 13% 40% 680
2 MUD VOLCANO authKW 556196 3% 56% 166
3 POCKMARKS authKW 503889 2% 72% 118
4 MARINE AND PETROLEUM GEOLOGY journal 338845 8% 14% 408
5 AUTHIGENIC CARBONATES authKW 316563 2% 66% 81
6 BSR authKW 311247 1% 66% 79
7 BOTTOM SIMULATING REFLECTOR authKW 291815 1% 95% 52
8 SHALE GAS authKW 268104 4% 24% 189
9 HYDRAULIC FRACTURING authKW 255260 4% 22% 200
10 METHANE HYDRATE authKW 198954 2% 26% 129

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Geosciences, Multidisciplinary 53794 37% 0% 1973
2 Geochemistry & Geophysics 25847 20% 0% 1045
3 Oceanography 19178 14% 0% 731
4 Engineering, Petroleum 10783 5% 1% 246
5 Energy & Fuels 7087 13% 0% 670
6 Geology 4789 4% 0% 231
7 Environmental Sciences 3012 13% 0% 700
8 Engineering, Environmental 1887 5% 0% 283
9 Environmental Studies 824 3% 0% 135
10 Engineering, Chemical 703 6% 0% 332

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CAGE ARCTIC GAS HYDRATE ENVIRONM CLIMATE 58120 0% 38% 26
2 RENARD MARINE GEOL 44543 1% 17% 43
3 PRECOURT ENERGY 37270 0% 37% 17
4 ABORAT S ENVIRONM ANAL REMEDIAT 35614 0% 100% 6
5 METHANE HYDRATE 34096 0% 25% 23
6 EARTH ENERGY SYST CEREES 32967 0% 56% 10
7 ARCTIC GAS HYDRATE ENVIRONM CLIMATE 32555 0% 37% 15
8 GUANGZHOU GAS HYDRATE 32544 1% 18% 31
9 METHANE HYDRATE DEV GRP 29678 0% 100% 5
10 CAS MARGINAL SEA GEOL 28348 1% 15% 32

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MARINE AND PETROLEUM GEOLOGY 338845 8% 14% 408
2 GEO-MARINE LETTERS 178255 4% 16% 186
3 MARINE GEOLOGY 51106 4% 4% 210
4 INTERNATIONAL JOURNAL OF COAL GEOLOGY 20916 2% 4% 95
5 MARINE GEOPHYSICAL RESEARCH 17811 1% 8% 40
6 OIL & GAS JOURNAL 15792 2% 3% 86
7 GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 11545 2% 2% 84
8 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 9981 3% 1% 137
9 AAPG BULLETIN 9729 1% 3% 57
10 ANNALES SOCIETATIS GEOLOGORUM POLONIAE 8820 0% 8% 19

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 GAS HYDRATE 1607070 13% 40% 680 Search GAS+HYDRATE Search GAS+HYDRATE
2 MUD VOLCANO 556196 3% 56% 166 Search MUD+VOLCANO Search MUD+VOLCANO
3 POCKMARKS 503889 2% 72% 118 Search POCKMARKS Search POCKMARKS
4 AUTHIGENIC CARBONATES 316563 2% 66% 81 Search AUTHIGENIC+CARBONATES Search AUTHIGENIC+CARBONATES
5 BSR 311247 1% 66% 79 Search BSR Search BSR
6 BOTTOM SIMULATING REFLECTOR 291815 1% 95% 52 Search BOTTOM+SIMULATING+REFLECTOR Search BOTTOM+SIMULATING+REFLECTOR
7 SHALE GAS 268104 4% 24% 189 Search SHALE+GAS Search SHALE+GAS
8 HYDRAULIC FRACTURING 255260 4% 22% 200 Search HYDRAULIC+FRACTURING Search HYDRAULIC+FRACTURING
9 METHANE HYDRATE 198954 2% 26% 129 Search METHANE+HYDRATE Search METHANE+HYDRATE
10 FRACKING 160968 1% 47% 58 Search FRACKING Search FRACKING

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 2


rank cluster_id2 link
1 1665 GAS HYDRATE//OCEAN ACIDIFICATION//CLATHRATE HYDRATE
2 1990 HYDROTHERMAL VENTS//COLD SEEPS//SIBOGLINIDAE
3 878 ORGANIC GEOCHEMISTRY//BOTRYOCOCCUS BRAUNII//PETR EXPLORAT DEV
4 602 METHANOTROPHS//AMMONIA OXIDIZING ARCHAEA//AMMONIA OXIDIZING BACTERIA
5 3925 RURAL SOCIOLOGY//TASMAN SPIRIT//SOCIETY & NATURAL RESOURCES
6 2159 ACID SULFATE SOILS//MARINE HYDROPHYS//ACID SULPHATE SOILS
7 831 TRACE FOSSILS//GEOLOGY//SEDIMENTOLOGY
8 825 NITROUS OXIDE//GREENHOUSE GASES//N2O EMISSION
9 3187 PEAK OIL//EROI//RESOURCES AND ENERGY
10 1505 GEOL ENGN//NORTH ANATOLIAN FAULT//TURKISH JOURNAL OF EARTH SCIENCES

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