Class information for:
Level 2: MERCURY//METHYLMERCURY//MERCURY SPECIATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1254 8882 39.0 65%


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
565 3       MERCURY//METHYLMERCURY//MERCURY SPECIATION 17070
1254 2             MERCURY//METHYLMERCURY//MERCURY SPECIATION 8882
257 1                   MERCURY//METHYLMERCURY//TOTAL MERCURY 3797
3720 1                   ATMOSPHERIC MERCURY//GASEOUS ELEMENTAL MERCURY//REACTIVE GASEOUS MERCURY 1923
4914 1                   MERCURY SPECIATION//COLD VAPOR ATOMIC ABSORPTION SPECTROMETRY//ATOMIC FLUORESCENCE SPECTROMETRY 1704
6665 1                   ELEMENTAL MERCURY//MERCURY OXIDATION//MERCURY CAPTURE 1458

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 MERCURY authKW 2135324 27% 26% 2438
2 METHYLMERCURY authKW 795103 8% 34% 691
3 MERCURY SPECIATION authKW 505667 2% 86% 172
4 TOTAL MERCURY authKW 264792 1% 58% 132
5 ELEMENTAL MERCURY authKW 264148 1% 67% 114
6 ATMOSPHERIC MERCURY authKW 258697 1% 94% 80
7 MERCURY EMISSIONS authKW 176082 1% 83% 62
8 METHYL MERCURY authKW 158814 1% 38% 123
9 GASEOUS ELEMENTAL MERCURY authKW 144386 0% 98% 43
10 STATE ENVIRONM GEOCHEM address 134153 2% 18% 213

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 100339 51% 1% 4528
2 Engineering, Environmental 29066 15% 1% 1315
3 Meteorology & Atmospheric Sciences 18999 14% 1% 1201
4 Chemistry, Analytical 10720 16% 0% 1421
5 Water Resources 5191 7% 0% 628
6 Toxicology 2802 6% 0% 537
7 Engineering, Chemical 2540 8% 0% 745
8 Energy & Fuels 2021 6% 0% 505
9 Spectroscopy 1729 4% 0% 397
10 Marine & Freshwater Biology 1083 4% 0% 354

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 ENVIRONM GEOCHEM 134153 2% 18% 213
2 AIR QUAL 53769 1% 14% 115
3 CHIM ANALYT BIOINORGAN ENVIRONM 49372 1% 23% 62
4 ADV WATER AIR QUAL 48103 0% 100% 14
5 COMBUST SCI ENVIRONM TECHNOL 47788 0% 40% 35
6 RENDE 42622 0% 56% 22
7 ATMOSPHER POLLUT 36630 1% 21% 50
8 RIVER STUDIES 34362 0% 35% 29
9 GEOCHEM 33370 2% 5% 215
10 STATE COAL COMBUST 30599 1% 9% 103

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 ENVIRONMENTAL SCIENCE & TECHNOLOGY 66624 8% 3% 744
2 WATER AIR AND SOIL POLLUTION 63691 5% 4% 424
3 SCIENCE OF THE TOTAL ENVIRONMENT 41552 6% 2% 496
4 ATMOSPHERIC ENVIRONMENT 25370 4% 2% 358
5 JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 23335 2% 3% 203
6 ENVIRONMENTAL POLLUTION 15024 2% 2% 206
7 FUEL PROCESSING TECHNOLOGY 11117 1% 3% 129
8 APPLIED GEOCHEMISTRY 10060 1% 3% 106
9 ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 8779 2% 2% 154
10 ATMOSPHERIC CHEMISTRY AND PHYSICS 8402 2% 2% 141

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 MERCURY 2135324 27% 26% 2438 Search MERCURY Search MERCURY
2 METHYLMERCURY 795103 8% 34% 691 Search METHYLMERCURY Search METHYLMERCURY
3 MERCURY SPECIATION 505667 2% 86% 172 Search MERCURY+SPECIATION Search MERCURY+SPECIATION
4 TOTAL MERCURY 264792 1% 58% 132 Search TOTAL+MERCURY Search TOTAL+MERCURY
5 ELEMENTAL MERCURY 264148 1% 67% 114 Search ELEMENTAL+MERCURY Search ELEMENTAL+MERCURY
6 ATMOSPHERIC MERCURY 258697 1% 94% 80 Search ATMOSPHERIC+MERCURY Search ATMOSPHERIC+MERCURY
7 MERCURY EMISSIONS 176082 1% 83% 62 Search MERCURY+EMISSIONS Search MERCURY+EMISSIONS
8 METHYL MERCURY 158814 1% 38% 123 Search METHYL+MERCURY Search METHYL+MERCURY
9 GASEOUS ELEMENTAL MERCURY 144386 0% 98% 43 Search GASEOUS+ELEMENTAL+MERCURY Search GASEOUS+ELEMENTAL+MERCURY
10 REACTIVE GASEOUS MERCURY 134002 0% 100% 39 Search REACTIVE+GASEOUS+MERCURY Search REACTIVE+GASEOUS+MERCURY

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 ZHU, W , LIN, CJ , WANG, X , SOMMAR, J , FU, XW , FENG, XB , (2016) GLOBAL OBSERVATIONS AND MODELING OF ATMOSPHERE-SURFACE EXCHANGE OF ELEMENTAL MERCURY: A CRITICAL REVIEW.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 16. ISSUE 7. P. 4451 -4480 323 96% 5
2 ARIYA, PA , AMYOT, M , DASTOOR, A , DEEDS, D , FEINBERG, A , KOS, G , POULAIN, A , RYJKOV, A , SEMENIUK, K , SUBIR, M , ET AL (2015) MERCURY PHYSICOCHEMICAL AND BIOGEOCHEMICAL TRANSFORMATION IN THE ATMOSPHERE AND AT ATMOSPHERIC INTERFACES: A REVIEW AND FUTURE DIRECTIONS.CHEMICAL REVIEWS. VOL. 115. ISSUE 10. P. 3760 -3802 278 72% 25
3 AGNAN, Y , LE DANTEC, T , MOORE, CW , EDWARDS, GC , OBRIST, D , (2016) NEW CONSTRAINTS ON TERRESTRIAL SURFACE ATMOSPHERE FLUXES OF GASEOUS ELEMENTAL MERCURY USING A GLOBAL DATABASE.ENVIRONMENTAL SCIENCE & TECHNOLOGY. VOL. 50. ISSUE 2. P. 507 -524 174 93% 11
4 ABDRASHITOVA, SA , ULLRICH, SM , TANTON, TW , (2001) MERCURY IN THE AQUATIC ENVIRONMENT: A REVIEW OF FACTORS AFFECTING METHYLATION.CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY. VOL. 31. ISSUE 3. P. 241 -293 208 87% 590
5 GUSTIN, MS , AMOS, HM , HUANG, J , MILLER, MB , HEIDECORN, K , (2015) MEASURING AND MODELING MERCURY IN THE ATMOSPHERE: A CRITICAL REVIEW.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 15. ISSUE 10. P. 5697 -5713 126 100% 45
6 FITZGERALD, WF , LAMBORG, CH , HAMMERSCHMIDT, CR , (2007) MARINE BIOGEOCHEMICAL CYCLING OF MERCURY.CHEMICAL REVIEWS. VOL. 107. ISSUE 2. P. 641 -662 184 77% 389
7 MAO, HT , CHENG, I , ZHANG, LM , (2016) CURRENT UNDERSTANDING OF THE DRIVING MECHANISMS FOR SPATIOTEMPORAL VARIATIONS OF ATMOSPHERIC SPECIATED MERCURY: A REVIEW.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 16. ISSUE 20. P. 12897 -12924 177 98% 0
8 FU, XW , ZHANG, H , YU, B , WANG, X , LIN, CJ , FENG, XB , (2015) OBSERVATIONS OF ATMOSPHERIC MERCURY IN CHINA: A CRITICAL REVIEW.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 15. ISSUE 16. P. 9455 -9476 145 92% 19
9 FENG, XB , QIU, GL , FU, XW , HE, TR , LI, P , WANG, SF , (2009) MERCURY POLLUTION IN THE ENVIRONMENT.PROGRESS IN CHEMISTRY. VOL. 21. ISSUE 2-3. P. 436 -457 221 80% 14
10 WRIGHT, LP , ZHANG, LM , MARSIK, FJ , (2016) OVERVIEW OF MERCURY DRY DEPOSITION, LITTERFALL, AND THROUGHFALL STUDIES.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 16. ISSUE 21. P. 13399 -13416 155 96% 0

Classes with closest relation at Level 2


Rank Class id link
1 1702 METHYLMERCURY//MERCURY//DENTAL AMALGAM
2 3489 RESOURCES POLICY//ARTISANAL MINING//SMALL SCALE MINING
3 882 SEDIMENT//ENRICHMENT FACTOR//HEAVY METALS
4 2222 TRIBUTYLTIN//IMPOSEX//ORGANOTIN
5 672 ENDOSULFAN//BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY//TOXICOLOGY
6 771 SEABIRDS//ORNITHOLOGY//STABLE ISOTOPES
7 105 SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY//JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY//SPECTROSCOPY
8 1182 CRVI REDUCTION//CHROMATE REDUCTION//GEOMICROBIOLOGY JOURNAL
9 2323 SPECTROSCOPY AND SPECTRAL ANALYSIS//ICP AES//TRACE ELEMENTS
10 172 HEAVY METALS//PHYTOREMEDIATION//CADMIUM

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