Class information for:
Level 1: OZONE FORMATION POTENTIAL//NON METHANE HYDROCARBONS//VOLATILE ORGANIC COMPOUNDS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2568 2206 32.4 60%


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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
108 3       AIR POLLUTION//TOXICOLOGY//PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH 71534
1579 2             ISOPRENE//BIOGENIC EMISSIONS//VOLATILE ORGANIC COMPOUNDS 7259
2568 1                   OZONE FORMATION POTENTIAL//NON METHANE HYDROCARBONS//VOLATILE ORGANIC COMPOUNDS 2206

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 OZONE FORMATION POTENTIAL authKW 433714 2% 73% 43
2 NON METHANE HYDROCARBONS authKW 430102 3% 53% 59
3 VOLATILE ORGANIC COMPOUNDS authKW 389059 14% 9% 313
4 VOCS authKW 260169 7% 12% 153
5 STATE JOINT ENVIRONM SIMULAT POLLUT CON address 221403 2% 44% 36
6 AIR ANALYSIS authKW 173127 2% 23% 54
7 OZONE PRECURSORS authKW 166046 1% 40% 30
8 BTEX authKW 163805 4% 13% 91
9 ATMOSPHERIC ENVIRONMENT journal 160637 20% 3% 444
10 NMHCS authKW 128103 1% 51% 18

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Environmental Sciences 42357 66% 0% 1452
2 Meteorology & Atmospheric Sciences 37468 37% 0% 810
3 Engineering, Environmental 5793 13% 0% 294
4 Chemistry, Analytical 4270 20% 0% 437
5 Biochemical Research Methods 568 6% 0% 138
6 Toxicology 156 3% 0% 73
7 Public, Environmental & Occupational Health 155 5% 0% 107
8 Water Resources 65 2% 0% 47
9 Engineering, Civil 27 2% 0% 37
10 Construction & Building Technology 19 1% 0% 17

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 STATE JOINT ENVIRONM SIMULAT POLLUT CON 221403 2% 44% 36
2 AIR GRP 31139 0% 75% 3
3 E KOLKATA AREA DEV PROJECT 31139 0% 75% 3
4 NACL CONDICIONES TRABAJO 31139 0% 75% 3
5 LCMA 28828 0% 42% 5
6 NETCEN 28828 0% 42% 5
7 CHIM ANALYT ORGAN 27680 0% 100% 2
8 EMISS MEASUREMENTS MODELING ATMOSPHERE EMMA 27680 0% 100% 2
9 LCSQA 27680 0% 100% 2
10 UNIT ENVIRONM GENOM FONCT ETUD MATH 27680 0% 100% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ATMOSPHERIC ENVIRONMENT 160637 20% 3% 444
2 JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 36903 4% 3% 96
3 AIR QUALITY ATMOSPHERE AND HEALTH 13287 1% 5% 19
4 JOURNAL OF ATMOSPHERIC CHEMISTRY 8166 1% 2% 28
5 JOURNAL OF ENVIRONMENTAL MONITORING 7778 2% 1% 38
6 SCIENCE OF THE TOTAL ENVIRONMENT 7467 5% 1% 105
7 ENVIRONMENTAL SCIENCE & TECHNOLOGY 5253 5% 0% 105
8 AEROSOL AND AIR QUALITY RESEARCH 4846 1% 2% 21
9 ATMOSPHERIC CHEMISTRY AND PHYSICS 4651 2% 1% 52
10 JOURNAL OF CHROMATOGRAPHY A 4037 4% 0% 90

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 OZONE FORMATION POTENTIAL 433714 2% 73% 43 Search OZONE+FORMATION+POTENTIAL Search OZONE+FORMATION+POTENTIAL
2 NON METHANE HYDROCARBONS 430102 3% 53% 59 Search NON+METHANE+HYDROCARBONS Search NON+METHANE+HYDROCARBONS
3 VOLATILE ORGANIC COMPOUNDS 389059 14% 9% 313 Search VOLATILE+ORGANIC+COMPOUNDS Search VOLATILE+ORGANIC+COMPOUNDS
4 VOCS 260169 7% 12% 153 Search VOCS Search VOCS
5 AIR ANALYSIS 173127 2% 23% 54 Search AIR+ANALYSIS Search AIR+ANALYSIS
6 OZONE PRECURSORS 166046 1% 40% 30 Search OZONE+PRECURSORS Search OZONE+PRECURSORS
7 BTEX 163805 4% 13% 91 Search BTEX Search BTEX
8 NMHCS 128103 1% 51% 18 Search NMHCS Search NMHCS
9 VOC 118289 4% 9% 98 Search VOC Search VOC
10 AIR TOXICS 115051 2% 24% 34 Search AIR+TOXICS Search AIR+TOXICS

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 ALGHAMDI, MA , KHODER, M , ABDELMAKSOUD, AS , HARRISON, RM , HUSSEIN, T , LIHAVAINEN, H , AL-JEELANI, H , GOKNIL, MH , SHABBAJ, II , ALMEHMADI, FM , ET AL (2014) SEASONAL AND DIURNAL VARIATIONS OF BTEX AND THEIR POTENTIAL FOR OZONE FORMATION IN THE URBAN BACKGROUND ATMOSPHERE OF THE COASTAL CITY JEDDAH, SAUDI ARABIA.AIR QUALITY ATMOSPHERE AND HEALTH. VOL. 7. ISSUE 4. P. 467 -480 77 83% 8
2 BAURI, N , BAURI, P , KUMAR, K , JAIN, VK , (2016) EVALUATION OF SEASONAL VARIATIONS IN ABUNDANCE OF BTXE HYDROCARBONS AND THEIR OZONE FORMING POTENTIAL IN AMBIENT URBAN ATMOSPHERE OF DEHRADUN (INDIA).AIR QUALITY ATMOSPHERE AND HEALTH. VOL. 9. ISSUE 1. P. 95 -106 55 80% 1
3 ZHANG, Z , ZHANG, YL , WANG, XM , LU, SJ , HUANG, ZH , HUANG, XY , YANG, WQ , WANG, YS , ZHANG, Q , (2016) SPATIOTEMPORAL PATTERNS AND SOURCE IMPLICATIONS OF AROMATIC HYDROCARBONS AT SIX RURAL SITES ACROSS CHINA'S DEVELOPED COASTAL REGIONS.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. VOL. 121. ISSUE 11. P. 6669 -6687 56 69% 0
4 RAD, HD , BABAEI, AA , GOUDARZI, G , ANGALI, KA , RAMEZANI, Z , MOHAMMADI, MM , (2014) LEVELS AND SOURCES OF BTEX IN AMBIENT AIR OF AHVAZ METROPOLITAN CITY.AIR QUALITY ATMOSPHERE AND HEALTH. VOL. 7. ISSUE 4. P. 515 -524 42 89% 8
5 WONG, GKS , NG, SJ , WEBSTER, RD , (2013) QUANTITATIVE ANALYSIS OF ATMOSPHERIC VOLATILE ORGANIC POLLUTANTS BY THERMAL DESORPTION GAS CHROMATOGRAPHY MASS SPECTROMETRY.ANALYTICAL METHODS. VOL. 5. ISSUE 1. P. 219-230 41 93% 6
6 ZHANG, Z , WANG, XM , ZHANG, YL , LU, SJ , HUANG, ZH , HUANG, XY , WANG, YS , (2015) AMBIENT AIR BENZENE AT BACKGROUND SITES IN CHINA'S MOST DEVELOPED COASTAL REGIONS: EXPOSURE LEVELS, SOURCE IMPLICATIONS AND HEALTH RISKS.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 511. ISSUE . P. 792 -800 40 85% 6
7 FANIZZA, C , INCORONATO, F , BAIGUERA, S , SCHIRO, R , BROCCO, D , (2014) VOLATILE ORGANIC COMPOUND LEVELS AT ONE SITE IN ROME URBAN AIR.ATMOSPHERIC POLLUTION RESEARCH. VOL. 5. ISSUE 2. P. 303 -314 45 79% 9
8 GUO, H , LING, ZH , CHENG, HR , SIMPSON, IJ , LYU, XP , WANG, XM , SHAO, M , LU, HX , AYOKO, G , ZHANG, YL , ET AL (2017) TROPOSPHERIC VOLATILE ORGANIC COMPOUNDS IN CHINA.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 574. ISSUE . P. 1021 -1043 84 42% 0
9 KERCHICH, Y , KERBACHI, R , (2012) MEASUREMENT OF BTEX (BENZENE, TOLUENE, ETHYBENZENE, AND XYLENE) LEVELS AT URBAN AND SEMIRURAL AREAS OF ALGIERS CITY USING PASSIVE AIR SAMPLERS.JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION. VOL. 62. ISSUE 12. P. 1370-1379 43 88% 4
10 KUMAR, A , VIDEN, I , (2007) VOLATILE ORGANIC COMPOUNDS: SAMPLING METHODS AND THEIR WORLDWIDE PROFILE IN AMBIENT AIR.ENVIRONMENTAL MONITORING AND ASSESSMENT. VOL. 131. ISSUE 1-3. P. 301-321 57 70% 34

Classes with closest relation at Level 1


Rank Class id link
1 13084 AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL//PASSIVE SAMPLER//DIFFUSION TUBES
2 37651 ENVIRONM ODOUR//EPA SW846 METHOD 8270//GC MSD DETECTION LIMITS
3 4293 ISOPRENE//BIOGENIC EMISSIONS//ISOPRENE EMISSION
4 17157 IN VEHICLE EXPOSURE//TRANSPORT MICROENVIRONMENT//COMMUTER EXPOSURE
5 21634 GASEOUS STANDARD MIXTURES//STANDARD GAS MIXTURES//IMMOBILIZED COMPOUNDS
6 4896 INDOOR CHEMISTRY//INDOOR AIR//INDOOR AIR QUALITY
7 5612 FORMALDEHYDE//2 4 DINITROPHENYLHYDRAZINE//FORMALDEHYDE DETERMINATION
8 6564 PEROXYACETYL NITRATE//ALKYL NITRATES//PEROXY RADICALS
9 6488 HALOCARBONS//METHYL CHLORIDE//VOLATILE HALOCARBONS
10 1404 AIR QUALITY MODELING//CMAQ//ATMOSPHERIC ENVIRONMENT

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