Class information for:
Level 3: GAS HYDRATE//METHANE HYDRATE//OCEAN ACIDIFICATION

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
1665 2             GAS HYDRATE//OCEAN ACIDIFICATION//CLATHRATE HYDRATE 7155
2161 2             GAS HYDRATE//MUD VOLCANO//POCKMARKS 5308

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GAS HYDRATE authKW 3180976 12% 86% 1466
2 METHANE HYDRATE authKW 907122 3% 85% 422
3 OCEAN ACIDIFICATION authKW 627230 4% 46% 541
4 CLATHRATE HYDRATE authKW 602167 2% 83% 288
5 HYDRATE authKW 449411 3% 43% 416
6 GUANGZHOU GAS HYDRATE address 342404 1% 88% 154
7 NATURAL GAS HYDRATE authKW 245687 1% 95% 102
8 MUD VOLCANO authKW 236694 1% 56% 166
9 POCKMARKS authKW 214471 1% 72% 118
10 CO2 HYDRATE authKW 200323 1% 94% 84

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Chemical 28378 21% 1% 2596
2 Geosciences, Multidisciplinary 27077 18% 1% 2230
3 Energy & Fuels 26002 16% 1% 1935
4 Engineering, Petroleum 21645 4% 2% 535
5 Oceanography 20248 9% 1% 1171
6 Thermodynamics 11922 8% 1% 1051
7 Geochemistry & Geophysics 11703 9% 0% 1129
8 Marine & Freshwater Biology 3906 6% 0% 733
9 Chemistry, Physical 3775 14% 0% 1802
10 Environmental Sciences 2651 9% 0% 1110

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDRATE 383946 1% 93% 164
2 GAS HYDRATE 346143 1% 82% 168
3 GUANGZHOU GAS HYDRATE 342404 1% 88% 154
4 METHANE HYDRATE 150375 1% 80% 74
5 GUANGZHOU ENERGY CONVERS 103961 2% 17% 249
6 RENEWABLE ENERGY GAS HYDRATE 62921 1% 24% 103
7 OCEAN ENERGY UTILIZAT ENERGY CONSERVAT 61539 1% 26% 94
8 OFFSHORE PLANT OURCES RD 48446 0% 91% 21
9 GAS HYDRATE GRP 43434 0% 90% 19
10 THERMODYNAM UNIT 37319 1% 18% 84

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MARINE AND PETROLEUM GEOLOGY 156119 3% 15% 425
2 GEO-MARINE LETTERS 75706 1% 16% 186
3 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 33382 1% 8% 166
4 FLUID PHASE EQUILIBRIA 23707 2% 3% 304
5 ENERGY & FUELS 22900 3% 3% 343
6 MARINE GEOLOGY 22152 2% 4% 213
7 JOURNAL OF CHEMICAL AND ENGINEERING DATA 17705 2% 2% 292
8 CHEMICAL ENGINEERING SCIENCE 9993 2% 2% 269
9 OIL & GAS JOURNAL 9361 1% 4% 102
10 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 9172 1% 3% 116

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 GAS HYDRATE 3180976 12% 86% 1466 Search GAS+HYDRATE Search GAS+HYDRATE
2 METHANE HYDRATE 907122 3% 85% 422 Search METHANE+HYDRATE Search METHANE+HYDRATE
3 OCEAN ACIDIFICATION 627230 4% 46% 541 Search OCEAN+ACIDIFICATION Search OCEAN+ACIDIFICATION
4 CLATHRATE HYDRATE 602167 2% 83% 288 Search CLATHRATE+HYDRATE Search CLATHRATE+HYDRATE
5 HYDRATE 449411 3% 43% 416 Search HYDRATE Search HYDRATE
6 NATURAL GAS HYDRATE 245687 1% 95% 102 Search NATURAL+GAS+HYDRATE Search NATURAL+GAS+HYDRATE
7 MUD VOLCANO 236694 1% 56% 166 Search MUD+VOLCANO Search MUD+VOLCANO
8 POCKMARKS 214471 1% 72% 118 Search POCKMARKS Search POCKMARKS
9 CO2 HYDRATE 200323 1% 94% 84 Search CO2+HYDRATE Search CO2+HYDRATE
10 DEPRESSURIZATION 139829 1% 58% 95 Search DEPRESSURIZATION Search DEPRESSURIZATION

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 3


rank cluster_id2 link
1 348 GEOCHIMICA ET COSMOCHIMICA ACTA//GEOCHEMISTRY & GEOPHYSICS//CHEMICAL GEOLOGY
2 235 INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY//MICROBIOLOGY//POLYPHASIC TAXONOMY
3 123 ENGINEERING, GEOLOGICAL//JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING//ENGINEERING, PETROLEUM
4 34 MARINE & FRESHWATER BIOLOGY//JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY//CRUSTACEANA
5 44 OCEANOGRAPHY//JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS//JOURNAL OF PHYSICAL OCEANOGRAPHY
6 392 GEOPHYSICS//GEOPHYSICAL PROSPECTING//GEOCHEMISTRY & GEOPHYSICS
7 118 FUEL//ENERGY & FUELS//PYROLYSIS
8 0 GEOCHEMISTRY & GEOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY//GEOLOGY
9 511 ANTIFREEZE PROTEIN//TARDIGRADA//CRYOBIOLOGY
10 600 HUMIC ACID//DISSOLVED ORGANIC MATTER//HUMIC SUBSTANCES

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