Class information for:
Level 1: PASSIVE SAMPLING//SEMIPERMEABLE MEMBRANE DEVICES//POCIS

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
18 4 CHEMISTRY, ANALYTICAL//TOXICOLOGY//ENVIRONMENTAL SCIENCES 697102
27 3       ENVIRONMENTAL SCIENCES//TOXICOLOGY//CHEMOSPHERE 115610
1199 2             PAHS//POLYCYCLIC AROMATIC HYDROCARBONS//POLYCYCLIC AROMATIC HYDROCARBONS PAHS 9549
17023 1                   PASSIVE SAMPLING//SEMIPERMEABLE MEMBRANE DEVICES//POCIS 648

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PASSIVE SAMPLING authKW 2387878 24% 31% 157
2 SEMIPERMEABLE MEMBRANE DEVICES authKW 1927009 9% 70% 57
3 POCIS authKW 1643068 8% 68% 50
4 SPMDS authKW 886369 4% 68% 27
5 SPMD authKW 633773 5% 37% 35
6 SEMIPERMEABLE MEMBRANE DEVICES SPMDS authKW 466899 2% 80% 12
7 CHEMCATCHER R authKW 442142 2% 91% 10
8 CHEMCATCHER authKW 420347 2% 79% 11
9 PASSIVE SAMPLER authKW 409721 8% 15% 55
10 PASSIVE SAMPLING DEVICES authKW 392323 2% 73% 11

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Environmental Sciences 15542 74% 0% 479
2 Engineering, Environmental 3444 19% 0% 122
3 Chemistry, Analytical 1436 21% 0% 137
4 Toxicology 753 11% 0% 70
5 Water Resources 276 6% 0% 40
6 Marine & Freshwater Biology 268 7% 0% 43
7 Biochemical Research Methods 183 6% 0% 42
8 Limnology 18 1% 0% 5
9 Meteorology & Atmospheric Sciences 10 2% 0% 12
10 Engineering, Ocean 1 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OSLO INTERDISCIPLINARY ENVIRONM SOCIAL 259385 1% 67% 8
2 MANAGEMENT UNIT NORTH SEA MATH MODEL 145907 0% 100% 3
3 ALS 1007 97272 0% 100% 2
4 ENTOX 91649 1% 27% 7
5 UNITE RECH REBX 87542 0% 60% 3
6 COLUMBIA ENVIRONM 82789 4% 6% 27
7 EPOC LPTC 79577 1% 27% 6
8 SLOVAK WATER REFERENCE 77812 1% 40% 4
9 RBE BE LBCO 64846 0% 67% 2
10 UNITE RECH EABX 64846 0% 67% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF ENVIRONMENTAL MONITORING 17140 5% 1% 30
2 ENVIRONMENTAL SCIENCE & TECHNOLOGY 12375 13% 0% 86
3 ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 11582 7% 1% 47
4 CHEMOSPHERE 11460 11% 0% 74
5 ENVIRONMENTAL POLLUTION 5267 5% 0% 33
6 MARINE POLLUTION BULLETIN 5157 5% 0% 31
7 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 4198 4% 0% 29
8 TRAC-TRENDS IN ANALYTICAL CHEMISTRY 3369 2% 0% 15
9 ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY 1745 0% 1% 3
10 SCIENCE OF THE TOTAL ENVIRONMENT 1577 4% 0% 27

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PASSIVE SAMPLING 2387878 24% 31% 157 Search PASSIVE+SAMPLING Search PASSIVE+SAMPLING
2 SEMIPERMEABLE MEMBRANE DEVICES 1927009 9% 70% 57 Search SEMIPERMEABLE+MEMBRANE+DEVICES Search SEMIPERMEABLE+MEMBRANE+DEVICES
3 POCIS 1643068 8% 68% 50 Search POCIS Search POCIS
4 SPMDS 886369 4% 68% 27 Search SPMDS Search SPMDS
5 SPMD 633773 5% 37% 35 Search SPMD Search SPMD
6 SEMIPERMEABLE MEMBRANE DEVICES SPMDS 466899 2% 80% 12 Search SEMIPERMEABLE+MEMBRANE+DEVICES+SPMDS Search SEMIPERMEABLE+MEMBRANE+DEVICES+SPMDS
7 CHEMCATCHER R 442142 2% 91% 10 Search CHEMCATCHER+R Search CHEMCATCHER+R
8 CHEMCATCHER 420347 2% 79% 11 Search CHEMCATCHER Search CHEMCATCHER
9 PASSIVE SAMPLER 409721 8% 15% 55 Search PASSIVE+SAMPLER Search PASSIVE+SAMPLER
10 PASSIVE SAMPLING DEVICES 392323 2% 73% 11 Search PASSIVE+SAMPLING+DEVICES Search PASSIVE+SAMPLING+DEVICES

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 16041 DGT//DIFFUSIVE GRADIENTS IN THIN FILMS//DIFFUSIVE GRADIENTS IN THIN FILMS DGT
2 28533 AUSTRALIAN TROP F HWATER//CATCHMENT REEF GRP//GREAT BARRIER REEF
3 22146 STIR BAR SORPTIVE EXTRACTION//ROTATING DISK SORPTIVE EXTRACTION//FLOATING SAMPLING TECHNOLOGY
4 849 PHENANTHRENE//ENVIRONMENTAL SCIENCE & TECHNOLOGY//SORPTION
5 17679 CALUX//ECOSYST ANAL//AQUAT TOXICOL ECOL SECT
6 23497 SEWAGE EPIDEMIOLOGY//WASTEWATER BASED EPIDEMIOLOGY//ILLICIT DRUGS
7 537 ORGANOCHLORINE PESTICIDES//OCPS//PCBS
8 5017 BIOACCUMULATION//BIOCONCENTRATION//JOURNAL OF GREAT LAKES RESEARCH
9 7413 SYST ECOTOXICOL//PYRETHROIDS//AQUAT ECOL WATER QUAL MANAGEMENT
10 1922 SOLID PHASE MICROEXTRACTION//ENVIRONM BIOANALYT S//SPME

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