Class information for:
Level 1: LEAD ISOTOPES//PB ISOTOPES//UNITE FORMAT RECH PHYS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4783 1727 42.9 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
477 3       MANGROVE//JOURNAL OF ENVIRONMENTAL PROTECTION AND ECOLOGY//MATERIALE PLASTICE 23702
882 2             SEDIMENT//ENRICHMENT FACTOR//HEAVY METALS 11446
4783 1                   LEAD ISOTOPES//PB ISOTOPES//UNITE FORMAT RECH PHYS 1727

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 LEAD ISOTOPES authKW 794060 8% 34% 131
2 PB ISOTOPES authKW 279227 4% 21% 75
3 UNITE FORMAT RECH PHYS address 231418 1% 55% 24
4 WIGS address 226082 2% 47% 27
5 STABLE LEAD ISOTOPES authKW 215513 1% 76% 16
6 PB ISOTOPE RATIOS authKW 170297 1% 57% 17
7 ENVIRONM GEOCHEM address 158033 4% 15% 61
8 OBSERV SCI UNIVERS address 145030 1% 43% 19
9 SCI TECH GRENOBLE address 129894 1% 57% 13
10 LEAD ISOTOPE RATIOS authKW 121901 1% 34% 20

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 20758 53% 0% 907
2 Geochemistry & Geophysics 5308 16% 0% 274
3 Meteorology & Atmospheric Sciences 4749 15% 0% 263
4 Engineering, Environmental 2390 10% 0% 170
5 Water Resources 1848 9% 0% 161
6 Geosciences, Multidisciplinary 1427 12% 0% 199
7 Limnology 863 3% 0% 49
8 Geography, Physical 525 3% 0% 55
9 Oceanography 352 4% 0% 63
10 Chemistry, Analytical 326 7% 0% 127

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 UNITE FORMAT RECH PHYS 231418 1% 55% 24
2 WIGS 226082 2% 47% 27
3 ENVIRONM GEOCHEM 158033 4% 15% 61
4 OBSERV SCI UNIVERS 145030 1% 43% 19
5 SCI TECH GRENOBLE 129894 1% 57% 13
6 STUDIES ENVIRONM CHEM TECHNOL 113145 0% 80% 8
7 UPLAND ENVIRONM UNIT 91171 1% 37% 14
8 ENVIRONM RADIOMETR 88397 0% 100% 5
9 DYNAM ENVIRONM PROC 57492 1% 14% 24
10 GLACIOL GEOPHYS ENVIRONM 55508 3% 6% 51

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 WATER AIR AND SOIL POLLUTION 18632 6% 1% 101
2 APPLIED GEOCHEMISTRY 17948 4% 2% 62
3 SCIENCE OF THE TOTAL ENVIRONMENT 17900 8% 1% 143
4 JOURNAL OF PALEOLIMNOLOGY 12820 2% 2% 34
5 JOURNAL OF ENVIRONMENTAL MONITORING 9956 2% 1% 38
6 GEOCHIMICA ET COSMOCHIMICA ACTA 9642 5% 1% 84
7 ENVIRONMENTAL SCIENCE & TECHNOLOGY 9329 7% 0% 123
8 ATMOSPHERIC ENVIRONMENT 8298 5% 1% 90
9 ENVIRONMENTAL POLLUTION 5754 3% 1% 56
10 GEOCHEMISTRY-EXPLORATION ENVIRONMENT ANALYSIS 3076 0% 2% 8

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 LEAD ISOTOPES 794060 8% 34% 131 Search LEAD+ISOTOPES Search LEAD+ISOTOPES
2 PB ISOTOPES 279227 4% 21% 75 Search PB+ISOTOPES Search PB+ISOTOPES
3 STABLE LEAD ISOTOPES 215513 1% 76% 16 Search STABLE+LEAD+ISOTOPES Search STABLE+LEAD+ISOTOPES
4 PB ISOTOPE RATIOS 170297 1% 57% 17 Search PB+ISOTOPE+RATIOS Search PB+ISOTOPE+RATIOS
5 LEAD ISOTOPE RATIOS 121901 1% 34% 20 Search LEAD+ISOTOPE+RATIOS Search LEAD+ISOTOPE+RATIOS
6 OMBROTROPHIC PEAT 110151 1% 69% 9 Search OMBROTROPHIC+PEAT Search OMBROTROPHIC+PEAT
7 LEAD ISOTOPIC RATIOS 70714 0% 67% 6 Search LEAD+ISOTOPIC+RATIOS Search LEAD+ISOTOPIC+RATIOS
8 ANTHROPOGENIC LEAD 63138 0% 71% 5 Search ANTHROPOGENIC+LEAD Search ANTHROPOGENIC+LEAD
9 STABLE PB ISOTOPES 55244 0% 63% 5 Search STABLE+PB+ISOTOPES Search STABLE+PB+ISOTOPES
10 PEAT BOG 54415 1% 13% 24 Search PEAT+BOG Search PEAT+BOG

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 SHOTYK, W , KRACHLER, M , (2010) THE ISOTOPIC EVOLUTION OF ATMOSPHERIC PB IN CENTRAL ONTARIO SINCE AD 1800, AND ITS IMPACTS ON THE SOILS, WATERS, AND SEDIMENTS OF A FORESTED WATERSHED, KAWAGAMA LAKE.GEOCHIMICA ET COSMOCHIMICA ACTA. VOL. 74. ISSUE 7. P. 1963 -1981 125 88% 19
2 KOMAREK, M , ETTLER, V , CHRASTNY, V , MIHALJEVIC, M , (2008) LEAD ISOTOPES IN ENVIRONMENTAL SCIENCES: A REVIEW.ENVIRONMENT INTERNATIONAL. VOL. 34. ISSUE 4. P. 562-577 95 68% 217
3 BINDLER, R , (2011) CONTAMINATED LEAD ENVIRONMENTS OF MAN: REVIEWING THE LEAD ISOTOPIC EVIDENCE IN SEDIMENTS, PEAT, AND SOILS FOR THE TEMPORAL AND SPATIAL PATTERNS OF ATMOSPHERIC LEAD POLLUTION IN SWEDEN.ENVIRONMENTAL GEOCHEMISTRY AND HEALTH. VOL. 33. ISSUE 4. P. 311-329 71 83% 16
4 SHOTYK, W , RAUSCH, N , NIEMINEN, TM , UKONMAANAHO, L , KRACHLER, M , (2016) ISOTOPIC COMPOSITION OF PB IN PEAT AND POREWATERS FROM THREE CONTRASTING OMBROTROPHIC BOGS IN FINLAND: EVIDENCE OF CHEMICAL DIAGENESIS IN RESPONSE TO ACIDIFICATION.ENVIRONMENTAL SCIENCE & TECHNOLOGY. VOL. 50. ISSUE 18. P. 9943 -9951 62 87% 0
5 FARMER, JG , GRAHAM, MC , EADES, LJ , LILLY, A , BACON, JR , (2016) INFLUENCES UPON THE LEAD ISOTOPIC COMPOSITION OF ORGANIC AND MINERAL HORIZONS IN SOIL PROFILES FROM THE NATIONAL SOIL INVENTORY OF SCOTLAND (2007-09).SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 544. ISSUE . P. 730 -743 45 96% 1
6 SHOTYK, W , APPLEBY, PG , BICALHO, B , DAVIES, L , FROESE, D , GRANT-WEAVER, I , KRACHLER, M , MAGNAN, G , MULLAN-BOUDREAU, G , NOERNBERG, T , ET AL (2016) PEAT BOGS IN NORTHERN ALBERTA, CANADA REVEAL DECADES OF DECLINING ATMOSPHERIC PB CONTAMINATION.GEOPHYSICAL RESEARCH LETTERS. VOL. 43. ISSUE 18. P. 9964 -9974 60 72% 0
7 CLOY, JM , FARMER, JG , GRAHAM, MC , MACKENZIE, AB , COOK, GT , (2008) HISTORICAL RECORDS OF ATMOSPHERIC PB DEPOSITION IN FOUR SCOTTISH OMBROTROPHIC PEAT BOGS: AN ISOTOPIC COMPARISON WITH OTHER RECORDS FROM WESTERN EUROPE AND GREENLAND.GLOBAL BIOGEOCHEMICAL CYCLES. VOL. 22. ISSUE 2. P. - 50 93% 35
8 MARX, SK , RASHID, S , STROMSOE, N , (2016) GLOBAL-SCALE PATTERNS IN ANTHROPOGENIC PB CONTAMINATION RECONSTRUCTED FROM NATURAL ARCHIVES.ENVIRONMENTAL POLLUTION. VOL. 213. ISSUE . P. 283 -298 62 67% 0
9 BINDLER, R , RENBERG, I , KLAMINDER, J , (2008) BRIDGING THE GAP BETWEEN ANCIENT METAL POLLUTION AND CONTEMPORARY BIOGEOCHEMISTRY.JOURNAL OF PALEOLIMNOLOGY. VOL. 40. ISSUE 3. P. 755 -770 53 85% 24
10 ALLAN, M , LE ROUX, G , DE VLEESCHOUWER, F , BINDLER, R , BLAAUW, M , PIOTROWSKA, N , SIKORSKI, J , FAGEL, N , (2013) HIGH-RESOLUTION RECONSTRUCTION OF ATMOSPHERIC DEPOSITION OF TRACE METALS AND METALLOIDS SINCE AD 1400 RECORDED BY OMBROTROPHIC PEAT CORES IN HAUTES-FAGNES, BELGIUM.ENVIRONMENTAL POLLUTION. VOL. 178. ISSUE . P. 381-394 53 75% 8

Classes with closest relation at Level 1


Rank Class id link
1 19438 DENDROCHEMISTRY//DENDROANALYSIS//TREE RINGS
2 13939 WATER SOLUBLE ORGANIC NITROGEN//AEROSOL IRON SOLUBILITY//IRON SOLUBILITY
3 34902 ABT DEPONIEVERHALTEN//ASIAN FOREST//BUDGETS OF ELEMENTS
4 16297 BIOTURBATION//PB 210//LUMINOPHORES
5 8917 MOSS BAGS//AQUATIC BRYOPHYTES//PSEUDOSCLEROPODIUM PURUM
6 568 ENRICHMENT FACTOR//GEOACCUMULATION INDEX//SEDIMENT
7 31150 CACO3 SOLUBILITY PRECIPITABILITY//CHEMICAL ELEMENT BALANCE CEB//EQUILIBRIUM AQUEOUS MODEL
8 2041 URBAN SOILS//STREET DUST//HEAVY METALS
9 16655 ARCTIC HAZE//ARCTIC AEROSOL//DGASP
10 14830 OVERBANK SEDIMENTS//FLOODPLAIN SEDIMENTATION//OVERBANK SEDIMENTATION

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