Class information for:
Level 1: HAZE//VISIBILITY//ATMOSPHERIC VISIBILITY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7319 1381 36.0 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
4 3       METEOROLOGY & ATMOSPHERIC SCIENCES//JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES//ATMOSPHER SCI 167055
14 2             ATMOSPHERIC ENVIRONMENT//METEOROLOGY & ATMOSPHERIC SCIENCES//ATMOSPHERIC CHEMISTRY AND PHYSICS 37624
7319 1                   HAZE//VISIBILITY//ATMOSPHERIC VISIBILITY 1381

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 HAZE authKW 278958 6% 16% 80
2 VISIBILITY authKW 253677 8% 10% 113
3 ATMOSPHERIC VISIBILITY authKW 196964 1% 64% 14
4 STATE ATMOSPHER BOUNDARY LAYER PHYS ATM address 195882 6% 11% 81
5 ATMOSPHERIC ENVIRONMENT journal 165165 26% 2% 356
6 VISIBILITY DEGRADATION authKW 154766 1% 100% 7
7 VISIBILITY IMPAIRMENT authKW 137753 1% 69% 9
8 URBAN METEOROL address 131826 2% 21% 29
9 PM25 authKW 125706 8% 5% 113
10 LIGHT EXTINCTION authKW 98102 1% 25% 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 Meteorology & Atmospheric Sciences 76793 66% 0% 909
2 Environmental Sciences 26277 66% 0% 905
3 Engineering, Environmental 3108 12% 0% 171
4 Geosciences, Multidisciplinary 53 3% 0% 48
5 Engineering, Chemical 43 4% 0% 53
6 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 25 1% 0% 10
7 Engineering, Mechanical 22 2% 0% 31
8 Environmental Studies 7 1% 0% 10
9 Water Resources 1 1% 0% 12
10 Geography, Physical 0 0% 0% 5

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 ATMOSPHER BOUNDARY LAYER PHYS ATM 195882 6% 11% 81
2 URBAN METEOROL 131826 2% 21% 29
3 TROP MARINE METEOROL 73067 1% 18% 18
4 ATMOSPHER CHEM STUDY 70188 1% 19% 17
5 ATMOSPHER PHYS 68385 11% 2% 156
6 ENVIRONM METEOROL FORECAST BEIJING TIANJIN HE 66322 0% 50% 6
7 CROCKER NUCL 66292 2% 14% 21
8 SKLLQG 61529 2% 9% 31
9 METEOROL OBSERVAT 54145 1% 18% 14
10 ATMOSPHERE WATCH SERV 53369 1% 15% 16

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 165165 26% 2% 356
2 JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 73399 8% 3% 107
3 JOURNAL OF THE AIR POLLUTION CONTROL ASSOCIATION 49539 3% 6% 40
4 AEROSOL AND AIR QUALITY RESEARCH 35759 3% 4% 45
5 ATMOSPHERIC CHEMISTRY AND PHYSICS 32543 8% 1% 108
6 ATMOSPHERE 10673 1% 3% 14
7 ATMOSPHERIC RESEARCH 9553 3% 1% 39
8 JOURNAL OF ENVIRONMENTAL SCIENCES 9062 3% 1% 40
9 PARTICUOLOGY 5498 1% 2% 15
10 ATMOSPHERIC POLLUTION RESEARCH 4420 1% 2% 10

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 HAZE 278958 6% 16% 80 Search HAZE Search HAZE
2 VISIBILITY 253677 8% 10% 113 Search VISIBILITY Search VISIBILITY
3 ATMOSPHERIC VISIBILITY 196964 1% 64% 14 Search ATMOSPHERIC+VISIBILITY Search ATMOSPHERIC+VISIBILITY
4 VISIBILITY DEGRADATION 154766 1% 100% 7 Search VISIBILITY+DEGRADATION Search VISIBILITY+DEGRADATION
5 VISIBILITY IMPAIRMENT 137753 1% 69% 9 Search VISIBILITY+IMPAIRMENT Search VISIBILITY+IMPAIRMENT
6 PM25 125706 8% 5% 113 Search PM25 Search PM25
7 LIGHT EXTINCTION 98102 1% 25% 18 Search LIGHT+EXTINCTION Search LIGHT+EXTINCTION
8 VISUAL AIR QUALITY 88438 0% 100% 4 Search VISUAL+AIR+QUALITY Search VISUAL+AIR+QUALITY
9 TRANS BOUNDARY TRANSPORT 78959 0% 71% 5 Search TRANS+BOUNDARY+TRANSPORT Search TRANS+BOUNDARY+TRANSPORT
10 BEIJING 78029 4% 6% 55 Search BEIJING Search BEIJING

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 CHEN, XJ , LAI, SC , GAO, Y , ZHANG, YY , ZHAO, Y , CHEN, DH , ZHENG, JY , ZHONG, LJ , LEE, SC , CHEN, B , (2016) RECONSTRUCTED LIGHT EXTINCTION COEFFICIENTS OF FINE PARTICULATE MATTER IN RURAL GUANGZHOU, SOUTHERN CHINA.AEROSOL AND AIR QUALITY RESEARCH. VOL. 16. ISSUE 8. P. 1981 -1990 38 81% 2
2 FU, HB , CHEN, JM , (2017) FORMATION, FEATURES AND CONTROLLING STRATEGIES OF SEVERE HAZE-FOG POLLUTIONS IN CHINA.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 578. ISSUE . P. 121 -138 71 47% 0
3 HUANG, K , FU, JS , GAO, Y , DONG, XY , ZHUANG, GS , LIN, YF , (2014) ROLE OF SECTORAL AND MULTI-POLLUTANT EMISSION CONTROL STRATEGIES IN IMPROVING ATMOSPHERIC VISIBILITY IN THE YANGTZE RIVER DELTA, CHINA.ENVIRONMENTAL POLLUTION. VOL. 184. ISSUE . P. 426-434 30 91% 5
4 CHEN, Y , XIE, SD , (2014) SPATIOTEMPORAL PATTERN AND REGIONAL CHARACTERISTICS OF VISIBILITY IN CHINA DURING 1976-2010.CHINESE SCIENCE BULLETIN. VOL. 59. ISSUE 24. P. 3054 -3065 34 77% 2
5 WANG, HB , SHI, GM , TIAN, M , ZHANG, LM , CHEN, Y , YANG, FM , CAO, XY , (2017) AEROSOL OPTICAL PROPERTIES AND CHEMICAL COMPOSITION APPORTIONMENT IN SICHUAN BASIN, CHINA.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 577. ISSUE . P. 245 -257 35 70% 0
6 YE, XX , SONG, Y , CAI, XH , ZHANG, HS , (2016) STUDY ON THE SYNOPTIC FLOW PATTERNS AND BOUNDARY LAYER PROCESS OF THE SEVERE HAZE EVENTS OVER THE NORTH CHINA PLAIN IN JANUARY 2013.ATMOSPHERIC ENVIRONMENT. VOL. 124. ISSUE . P. 129 -145 40 48% 4
7 DENG, JJ , DU, K , WANG, K , YUAN, CS , ZHAO, JJ , (2012) LONG-TERM ATMOSPHERIC VISIBILITY TREND IN SOUTHEAST CHINA, 1973-2010.ATMOSPHERIC ENVIRONMENT. VOL. 59. ISSUE . P. 11 -21 25 96% 22
8 DENG, JJ , WANG, TJ , JIANG, ZQ , XIE, M , ZHANG, RJ , HUANG, XX , ZHU, JL , (2011) CHARACTERIZATION OF VISIBILITY AND ITS AFFECTING FACTORS OVER NANJING, CHINA.ATMOSPHERIC RESEARCH. VOL. 101. ISSUE 3. P. 681-691 32 70% 52
9 YANG, YR , LIU, XG , QU, Y , AN, JL , JIANG, R , ZHANG, YH , SUN, YL , WU, ZJ , ZHANG, F , XU, WQ , ET AL (2015) CHARACTERISTICS AND FORMATION MECHANISM OF CONTINUOUS HAZES IN CHINA: A CASE STUDY DURING THE AUTUMN OF 2014 IN THE NORTH CHINA PLAIN.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 15. ISSUE 14. P. 8165 -8178 27 71% 13
10 FU, XX , WANG, XM , HU, QH , LI, GH , DING, X , ZHANG, YL , HE, QF , LIU, TY , ZHANG, Z , YU, QQ , ET AL (2016) CHANGES IN VISIBILITY WITH PM2.5 COMPOSITION AND RELATIVE HUMIDITY AT A BACKGROUND SITE IN THE PEARL RIVER DELTA REGION.JOURNAL OF ENVIRONMENTAL SCIENCES. VOL. 40. ISSUE . P. 10 -19 31 63% 2

Classes with closest relation at Level 1


Rank Class id link
1 223 SOURCE APPORTIONMENT//PM25//PM10
2 5540 BLACK CARBON//AETHALOMETER//BROWN CARBON
3 203 AEROSOL OPTICAL DEPTH//AERONET//AOD
4 20342 ETEX//ANATEX//LONG RANGE DISPERSION
5 8904 AEROSOL SCIENCE AND TECHNOLOGY//VIRTUAL IMPACTOR//DENUDER
6 1404 AIR QUALITY MODELING//CMAQ//ATMOSPHERIC ENVIRONMENT
7 8398 H TDMA//HYGROSCOPIC GROWTH//HYGROSCOPICITY
8 31150 CACO3 SOLUBILITY PRECIPITABILITY//CHEMICAL ELEMENT BALANCE CEB//EQUILIBRIUM AQUEOUS MODEL
9 6942 ENVIRONM PHYS//ATMOSPHERIC MEASUREMENT TECHNIQUES//OMI
10 29856 INFORMAT PHYS ENGINEER//STANDARD PARTICLE//ACCURACY EXPERIMENT

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