Class information for:
Level 1: PAHS//PETROGENIC//MARINE POLLUTION BULLETIN

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
1511 2             OIL SPILL//MARINE POLLUTION BULLETIN//PAHS 7766
1857 1                   PAHS//PETROGENIC//MARINE POLLUTION BULLETIN 2492

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PAHS authKW 835676 19% 14% 478
2 PETROGENIC authKW 335861 1% 80% 33
3 MARINE POLLUTION BULLETIN journal 243553 17% 5% 416
4 POLYCYCLIC AROMATIC HYDROCARBONS authKW 231414 13% 6% 333
5 SEDIMENT authKW 221913 19% 4% 481
6 ALIPHATIC HYDROCARBONS authKW 169320 2% 28% 48
7 DIAGNOSTIC RATIOS authKW 158262 2% 27% 46
8 POLYCYCLIC AROMATIC HYDROCARBONS PAHS authKW 141553 4% 10% 112
9 ENVIRONMENTAL FORENSICS journal 125129 3% 14% 73
10 PYROGENIC authKW 119884 1% 59% 16

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Environmental Sciences 55885 72% 0% 1783
2 Marine & Freshwater Biology 14709 23% 0% 568
3 Engineering, Environmental 3156 10% 0% 237
4 Toxicology 2867 11% 0% 268
5 Oceanography 1869 7% 0% 163
6 Water Resources 1211 7% 0% 163
7 Geochemistry & Geophysics 740 5% 0% 135
8 Chemistry, Analytical 267 6% 0% 149
9 Geosciences, Multidisciplinary 131 4% 0% 96
10 Engineering, Petroleum 108 1% 0% 19

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GEOCHEM ENVIRONM GRP 34601 1% 13% 21
2 EOALRSD 28451 0% 75% 3
3 HYDROGEOMORPHOL GRP 28451 0% 75% 3
4 WATERSHED PROTECT DEV REVIEW 28451 0% 75% 3
5 ETC 27377 1% 17% 13
6 BIO MARINHA BIOMONITORAMENTO 25291 0% 100% 2
7 BIOCHIM SPE OMETRIE MASSE 25291 0% 100% 2
8 CHEM ENVIRONM CHEM UNIT 25291 0% 100% 2
9 DEEP GREEN SEAS 25291 0% 100% 2
10 ESA 5472 25291 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MARINE POLLUTION BULLETIN 243553 17% 5% 416
2 ENVIRONMENTAL FORENSICS 125129 3% 14% 73
3 POLYCYCLIC AROMATIC COMPOUNDS 32164 2% 5% 50
4 ENVIRONMENTAL MONITORING AND ASSESSMENT 12847 4% 1% 98
5 BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 12745 4% 1% 103
6 ORGANIC GEOCHEMISTRY 11337 2% 1% 61
7 ENVIRONMENTAL POLLUTION 9464 3% 1% 87
8 MARINE CHEMISTRY 8884 2% 2% 47
9 JOURNAL OF ENVIRONMENTAL MONITORING 8682 2% 2% 42
10 ENVIRONMENTAL SCIENCE & TECHNOLOGY 7539 5% 0% 133

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PAHS 835676 19% 14% 478 Search PAHS Search PAHS
2 PETROGENIC 335861 1% 80% 33 Search PETROGENIC Search PETROGENIC
3 POLYCYCLIC AROMATIC HYDROCARBONS 231414 13% 6% 333 Search POLYCYCLIC+AROMATIC+HYDROCARBONS Search POLYCYCLIC+AROMATIC+HYDROCARBONS
4 SEDIMENT 221913 19% 4% 481 Search SEDIMENT Search SEDIMENT
5 ALIPHATIC HYDROCARBONS 169320 2% 28% 48 Search ALIPHATIC+HYDROCARBONS Search ALIPHATIC+HYDROCARBONS
6 DIAGNOSTIC RATIOS 158262 2% 27% 46 Search DIAGNOSTIC+RATIOS Search DIAGNOSTIC+RATIOS
7 POLYCYCLIC AROMATIC HYDROCARBONS PAHS 141553 4% 10% 112 Search POLYCYCLIC+AROMATIC+HYDROCARBONS+PAHS Search POLYCYCLIC+AROMATIC+HYDROCARBONS+PAHS
8 PYROGENIC 119884 1% 59% 16 Search PYROGENIC Search PYROGENIC
9 PAH 106101 6% 6% 143 Search PAH Search PAH
10 OIL SPILL IDENTIFICATION 97268 0% 77% 10 Search OIL+SPILL+IDENTIFICATION Search OIL+SPILL+IDENTIFICATION

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 29832 TAR BALLS//AFAI//TARBALLS
2 1143 PAHS//DIAGNOSTIC RATIOS//POLYCYCLIC AROMATIC HYDROCARBONS
3 24534 ENVIRONM MICROBIOL BIOTECHNOL UNIT//ACIDIC PHOTOPRODUCTS//ALGAE GROWTH KINETICS
4 7298 COPROSTANOL//ALKENONES//ORGANIC GEOCHEMISTRY
5 5478 DEEPWATER HORIZON//OIL SPILL//DISPERSANT
6 537 ORGANOCHLORINE PESTICIDES//OCPS//PCBS
7 21490 BARITE SAG//DRILLING IMPACT//WEIGHT MATERIALS
8 11449 SMOKED MEAT PRODUCTS//POLYCYCLIC AROMATIC HYDROCARBONS//PAH4
9 20216 ARABIAN GULF//SHATT AL ARAB//KUWAIT BAY
10 36783 ENVIRONM HUMAN HLTH FIELD STN//BED SEDIMENT QUALITY//BENZOPHENONE AND NITROTOLUENES

Go to start page