Class information for:
Level 1: PASSIVE SAMPLER//DIFFUSION TUBES//TAPE MONITOR

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
16 3       METEOROLOGY & ATMOSPHERIC SCIENCES//ATMOSPHERIC ENVIRONMENT//JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 126179
1575 2             ISOPRENE//BIOGENIC EMISSIONS//VOLATILE ORGANIC COMPOUNDS 7519
20150 1                   PASSIVE SAMPLER//DIFFUSION TUBES//TAPE MONITOR 495

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PASSIVE SAMPLER authKW 576120 12% 16% 57
2 DIFFUSION TUBES authKW 413837 3% 50% 13
3 TAPE MONITOR authKW 368366 2% 64% 9
4 NITROGEN DIOXIDE authKW 207318 15% 5% 72
5 BADAN LINGKUNGAN HIDUP address 191008 1% 100% 3
6 EDUC PHILOSOPH HUMAN SCI address 191008 1% 100% 3
7 DIFFUSIVE SAMPLER authKW 167461 2% 24% 11
8 PASSIVE SAMPLING authKW 138058 7% 7% 33
9 AMMONIA GAS DETECTION authKW 127339 0% 100% 2
10 CENT SURVEILLANCE QUALITE AIR address 127339 0% 100% 2

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Environmental Sciences 7822 60% 0% 299
2 Meteorology & Atmospheric Sciences 3415 24% 0% 117
3 Chemistry, Analytical 1397 24% 0% 117
4 Engineering, Environmental 1365 14% 0% 68
5 Public, Environmental & Occupational Health 76 6% 0% 32
6 Instruments & Instrumentation 57 4% 0% 21
7 Toxicology 39 3% 0% 17
8 Engineering, Civil 29 3% 0% 14
9 Water Resources 26 3% 0% 13
10 Electrochemistry 26 3% 0% 13

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BADAN LINGKUNGAN HIDUP 191008 1% 100% 3
2 EDUC PHILOSOPH HUMAN SCI 191008 1% 100% 3
3 CENT SURVEILLANCE QUALITE AIR 127339 0% 100% 2
4 EMMB 127339 0% 100% 2
5 AIR QUAL ANAL SECT 92605 1% 36% 4
6 CENT SURVEILLANCE QUAL AIR 84891 0% 67% 2
7 AIR SCI SECT 63669 0% 100% 1
8 BIOCLIMATOL ENVIRONM 63669 0% 100% 1
9 BIOMETRIE BIOMATH 63669 0% 100% 1
10 DIPARTIMENTO CHIM BIOL BIOL 63669 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF ENVIRONMENTAL MONITORING 15586 5% 1% 25
2 JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 12207 5% 1% 26
3 ATMOSPHERIC ENVIRONMENT 11086 11% 0% 55
4 GEFAHRSTOFFE REINHALTUNG DER LUFT 3789 2% 1% 8
5 ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS 3577 2% 1% 8
6 ENVIRONMENTAL MONITORING AND ASSESSMENT 3571 5% 0% 23
7 ATMOSPHERIC ENVIRONMENT PART B-URBAN ATMOSPHERE 3195 1% 2% 3
8 STAUB REINHALTUNG DER LUFT 2730 1% 1% 6
9 AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL 2678 2% 0% 10
10 AIR QUALITY ATMOSPHERE AND HEALTH 2361 1% 1% 4

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PASSIVE SAMPLER 576120 12% 16% 57 Search PASSIVE+SAMPLER Search PASSIVE+SAMPLER
2 DIFFUSION TUBES 413837 3% 50% 13 Search DIFFUSION+TUBES Search DIFFUSION+TUBES
3 TAPE MONITOR 368366 2% 64% 9 Search TAPE+MONITOR Search TAPE+MONITOR
4 NITROGEN DIOXIDE 207318 15% 5% 72 Search NITROGEN+DIOXIDE Search NITROGEN+DIOXIDE
5 DIFFUSIVE SAMPLER 167461 2% 24% 11 Search DIFFUSIVE+SAMPLER Search DIFFUSIVE+SAMPLER
6 PASSIVE SAMPLING 138058 7% 7% 33 Search PASSIVE+SAMPLING Search PASSIVE+SAMPLING
7 AMMONIA GAS DETECTION 127339 0% 100% 2 Search AMMONIA+GAS+DETECTION Search AMMONIA+GAS+DETECTION
8 INDICATIVE MONITORING 127339 0% 100% 2 Search INDICATIVE+MONITORING Search INDICATIVE+MONITORING
9 NITROGEN DIOXIDE GAS DETECTION 127339 0% 100% 2 Search NITROGEN+DIOXIDE+GAS+DETECTION Search NITROGEN+DIOXIDE+GAS+DETECTION
10 NOX MEASUREMENTS 127339 0% 100% 2 Search NOX+MEASUREMENTS Search NOX+MEASUREMENTS

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 31349 OZONE SENSOR//OZONE DETECTION//O 3 GAS SENSOR
2 13132 AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL//GASEOUS STANDARD MIXTURES//PERMEATION TUBE
3 2386 OZONE FORMATION POTENTIAL//NON METHANE HYDROCARBONS//VOLATILE ORGANIC COMPOUNDS
4 7422 LAND USE REGRESSION//AIR POLLUTION//TRAFFIC
5 13041 DIFFUSION SCRUBBER//DENUDER//TEOM
6 5842 DRY DEPOSITION//COMPENSATION POINT//EDINBURGH STN
7 6067 AIR QUALITY FORECASTING//AIR POLLUTION FORECASTING//OZONE FORECAST
8 38789 ICE SKATING RINK//ICE ARENAS//RESURFACER
9 4151 PERSONAL EXPOSURE//INDOOR AIR QUALITY//AIR EXCHANGE RATE
10 27833 MULTIPLE CELL MODEL//AIR POLLUTION POTENTIAL//AIR QUALITY MONITORING NETWORK

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