Class information for:
Level 1: SOIL SCIENCE//SEQUENTIAL EXTRACTION//SELECTIVITY SEQUENCE

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
162 3       ARSENIC//HEAVY METALS//PHYTOREMEDIATION 61625
109 2             HEAVY METALS//PHYTOREMEDIATION//CADMIUM 25337
2324 1                   SOIL SCIENCE//SEQUENTIAL EXTRACTION//SELECTIVITY SEQUENCE 2318

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOIL SCIENCE WoSSC 129623 44% 1% 1028
2 SEQUENTIAL EXTRACTION authKW 120060 5% 8% 114
3 SELECTIVITY SEQUENCE authKW 68816 0% 56% 9
4 HEAVY METALS authKW 64809 14% 1% 329
5 SOIL SCI address 64322 12% 2% 273
6 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS journal 58832 8% 3% 174
7 E VALUE authKW 56623 1% 28% 15
8 BIOL VEXETAL CIENCIA SOLO address 51156 1% 24% 16
9 MAIZE WHEAT SEQUENCE authKW 48550 0% 71% 5
10 ZINC FRACTIONS authKW 44486 0% 55% 6

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 129623 44% 1% 1028
2 Environmental Sciences 15002 39% 0% 914
3 Agronomy 6967 15% 0% 346
4 Water Resources 2356 9% 0% 212
5 Plant Sciences 1649 13% 0% 302
6 Engineering, Environmental 1386 7% 0% 156
7 Chemistry, Analytical 967 10% 0% 235
8 Agriculture, Multidisciplinary 405 3% 0% 73
9 Meteorology & Atmospheric Sciences 377 4% 0% 99
10 Toxicology 154 3% 0% 75

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOIL SCI 64322 12% 2% 273
2 BIOL VEXETAL CIENCIA SOLO 51156 1% 24% 16
3 ENVIRONM CONTAMINANT 30581 0% 38% 6
4 GEORGIA EXPT STN CROP SOIL SCI 27190 0% 100% 2
5 PLANT OURCES AGR SOIL SCI 27190 0% 100% 2
6 BIOLOXIA VEXETAL CIENCIA SOLO 24662 0% 26% 7
7 BIOLOXIA VEXETAL CIENCIAS SOLO 24164 0% 44% 4
8 NAT OURCES ENVIRONM PROTECT 20389 0% 50% 3
9 UR 251 19985 0% 29% 5
10 STUDY MET ENVIRONM 18874 0% 28% 5

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 58832 8% 3% 174
2 SOIL SCIENCE 42049 4% 3% 102
3 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 29990 6% 2% 144
4 GEODERMA 26873 5% 2% 105
5 CHEMICAL SPECIATION AND BIOAVAILABILITY 26019 1% 6% 31
6 EUROPEAN JOURNAL OF SOIL SCIENCE 24662 3% 3% 58
7 JOURNAL OF SOIL SCIENCE 20514 2% 4% 36
8 JOURNAL OF ENVIRONMENTAL QUALITY 15696 4% 1% 89
9 AUSTRALIAN JOURNAL OF SOIL RESEARCH 15630 2% 2% 50
10 SOIL & SEDIMENT CONTAMINATION 13539 1% 3% 29

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SEQUENTIAL EXTRACTION 120060 5% 8% 114 Search SEQUENTIAL+EXTRACTION Search SEQUENTIAL+EXTRACTION
2 SELECTIVITY SEQUENCE 68816 0% 56% 9 Search SELECTIVITY+SEQUENCE Search SELECTIVITY+SEQUENCE
3 HEAVY METALS 64809 14% 1% 329 Search HEAVY+METALS Search HEAVY+METALS
4 E VALUE 56623 1% 28% 15 Search E+VALUE Search E+VALUE
5 MAIZE WHEAT SEQUENCE 48550 0% 71% 5 Search MAIZE+WHEAT+SEQUENCE Search MAIZE+WHEAT+SEQUENCE
6 ZINC FRACTIONS 44486 0% 55% 6 Search ZINC+FRACTIONS Search ZINC+FRACTIONS
7 COPPER DESORPTION 43502 0% 80% 4 Search COPPER+DESORPTION Search COPPER+DESORPTION
8 ARID ZONE SOIL 40784 0% 100% 3 Search ARID+ZONE+SOIL Search ARID+ZONE+SOIL
9 MEAN FREE BINDING ENERGY 40784 0% 100% 3 Search MEAN+FREE+BINDING+ENERGY Search MEAN+FREE+BINDING+ENERGY
10 ZN FRACTIONS 40784 0% 100% 3 Search ZN+FRACTIONS Search ZN+FRACTIONS

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 20931 ADSORPTION REVERSIBILITY//SORBENT CONCENTRATION EFFECT//ENVIRONM GEOCHEM GRP
2 3400 SEWAGE SLUDGE//BIOSOLIDS//JOURNAL OF ENVIRONMENTAL QUALITY
3 17470 MEHLICH 3//MEHLICH 1//COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
4 30605 ROSTLINNA VYROBA//HOP YIELD//EFFICIENCY OF IRRIGATION WATER
5 7173 SHOOTING RANGE//PYROMORPHITE//PHOSPHATE AMENDMENT
6 15959 SOIL WASHING//SOIL REMEDIATION//EDTA RECYCLING
7 15060 COPPER STRESS//VINEYARD SOIL//EXCESS COPPER
8 16681 PHYTOSTABILIZATION//CIENCIA TECNOL AGR//MINE SOIL
9 33804 NATURAL SURFACE COATINGS//PB AND CD ADSORPTION//SURFICIAL SEDIMENTS
10 887 URBAN SOILS//HEAVY METALS//STREET DUST

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