Class information for:
Level 1: ENRICHMENT FACTOR//GEOACCUMULATION INDEX//SEDIMENT

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
568 3299 38.5 54%


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
568 1                   ENRICHMENT FACTOR//GEOACCUMULATION INDEX//SEDIMENT 3299

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 ENRICHMENT FACTOR authKW 774480 8% 32% 258
2 GEOACCUMULATION INDEX authKW 763982 4% 59% 139
3 SEDIMENT authKW 639022 28% 7% 936
4 HEAVY METALS authKW 501125 33% 5% 1077
5 SEDIMENT QUALITY GUIDELINES authKW 469114 3% 53% 95
6 POLLUTION LOAD INDEX authKW 220423 1% 53% 45
7 SURFACE SEDIMENTS authKW 202722 3% 20% 108
8 CONTAMINATION FACTOR authKW 201062 1% 59% 37
9 ENVIRONM GEOL GRP address 187591 1% 48% 42
10 TRACE METALS authKW 187137 8% 8% 261

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 70121 69% 0% 2281
2 Marine & Freshwater Biology 12717 19% 0% 614
3 Water Resources 12666 17% 0% 562
4 Oceanography 4344 9% 0% 281
5 Geosciences, Multidisciplinary 2612 11% 0% 373
6 Engineering, Environmental 2105 7% 0% 227
7 Toxicology 1730 8% 0% 249
8 Geochemistry & Geophysics 333 3% 0% 115
9 Limnology 274 1% 0% 41
10 Geography, Physical 173 1% 0% 49

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 ENVIRONM GEOL GRP 187591 1% 48% 42
2 CENT RUMENTAC 38557 0% 83% 5
3 CITY ARCHITECTURE ENGN 33310 0% 60% 6
4 CIIEMAD 30721 0% 24% 14
5 EARTH SCI ENGN GEOL 29611 0% 80% 4
6 NAT SCI ARTS 27756 0% 50% 6
7 GEOPHYS MARINE GEOL 25701 0% 56% 5
8 STATE WATER ENVIRONM STIMULAT 21149 0% 57% 4
9 CHEM OCEANOG 20969 1% 10% 23
10 MARINE GEOSCI URAC 45 20820 0% 75% 3

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 MARINE POLLUTION BULLETIN 147240 11% 4% 368
2 ENVIRONMENTAL MONITORING AND ASSESSMENT 72157 8% 3% 266
3 ENVIRONMENTAL EARTH SCIENCES 39881 5% 3% 161
4 ENVIRONMENTAL GEOLOGY 30481 3% 3% 103
5 SOIL & SEDIMENT CONTAMINATION 16066 1% 5% 38
6 CHEMICAL SPECIATION AND BIOAVAILABILITY 13945 1% 6% 27
7 BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 7996 3% 1% 95
8 CHEMISTRY AND ECOLOGY 7980 1% 3% 26
9 ESTUARINE COASTAL AND SHELF SCIENCE 7853 2% 1% 75
10 INDIAN JOURNAL OF MARINE SCIENCES 6667 1% 2% 36

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 ENRICHMENT FACTOR 774480 8% 32% 258 Search ENRICHMENT+FACTOR Search ENRICHMENT+FACTOR
2 GEOACCUMULATION INDEX 763982 4% 59% 139 Search GEOACCUMULATION+INDEX Search GEOACCUMULATION+INDEX
3 SEDIMENT 639022 28% 7% 936 Search SEDIMENT Search SEDIMENT
4 HEAVY METALS 501125 33% 5% 1077 Search HEAVY+METALS Search HEAVY+METALS
5 SEDIMENT QUALITY GUIDELINES 469114 3% 53% 95 Search SEDIMENT+QUALITY+GUIDELINES Search SEDIMENT+QUALITY+GUIDELINES
6 POLLUTION LOAD INDEX 220423 1% 53% 45 Search POLLUTION+LOAD+INDEX Search POLLUTION+LOAD+INDEX
7 SURFACE SEDIMENTS 202722 3% 20% 108 Search SURFACE+SEDIMENTS Search SURFACE+SEDIMENTS
8 CONTAMINATION FACTOR 201062 1% 59% 37 Search CONTAMINATION+FACTOR Search CONTAMINATION+FACTOR
9 TRACE METALS 187137 8% 8% 261 Search TRACE+METALS Search TRACE+METALS
10 SEQUENTIAL EXTRACTION 160244 5% 11% 157 Search SEQUENTIAL+EXTRACTION Search SEQUENTIAL+EXTRACTION

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 ZAHRA, A , HASHMI, MZ , MALIK, RN , AHMED, Z , (2014) ENRICHMENT AND GEO-ACCUMULATION OF HEAVY METALS AND RISK ASSESSMENT OF SEDIMENTS OF THE KURANG NALLAH-FEEDING TRIBUTARY OF THE RAWAL LAKE RESERVOIR, PAKISTAN.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 470. ISSUE . P. 925-933 35 80% 54
2 PEJMAN, A , BIDHENDI, GN , ARDESTANI, M , SAEEDI, M , BAGHVAND, A , (2015) A NEW INDEX FOR ASSESSING HEAVY METALS CONTAMINATION IN SEDIMENTS: A CASE STUDY.ECOLOGICAL INDICATORS. VOL. 58. ISSUE . P. 365 -373 37 80% 14
3 WANG, HT , WANG, JW , LIU, RM , YU, WW , SHEN, ZY , (2015) SPATIAL VARIATION, ENVIRONMENTAL RISK AND BIOLOGICAL HAZARD ASSESSMENT OF HEAVY METALS IN SURFACE SEDIMENTS OF THE YANGTZE RIVER ESTUARY.MARINE POLLUTION BULLETIN. VOL. 93. ISSUE 1-2. P. 250 -258 43 66% 11
4 ZHUANG, W , GAO, XL , (2014) INTEGRATED ASSESSMENT OF HEAVY METAL POLLUTION IN THE SURFACE SEDIMENTS OF THE LAIZHOU BAY AND THE COASTAL WATERS OF THE ZHANGZI ISLAND, CHINA: COMPARISON AMONG TYPICAL MARINE SEDIMENT QUALITY INDICES.PLOS ONE. VOL. 9. ISSUE 4. P. - 40 73% 16
5 WEI, X , HAN, LF , GAO, B , ZHOU, HD , LU, J , WAN, XH , (2016) DISTRIBUTION, BIOAVAILABILITY, AND POTENTIAL RISK ASSESSMENT OF THE METALS IN TRIBUTARY SEDIMENTS OF THREE GORGES RESERVOIR: THE IMPACT OF WATER IMPOUNDMENT.ECOLOGICAL INDICATORS. VOL. 61. ISSUE . P. 667 -675 37 74% 2
6 ZHAO, GM , YE, SY , YUAN, HM , DING, XG , WANG, J , (2016) DISTRIBUTION AND CONTAMINATION OF HEAVY METALS IN SURFACE SEDIMENTS OF THE DAYA BAY AND ADJACENT SHELF, CHINA.MARINE POLLUTION BULLETIN. VOL. 112. ISSUE 1-2. P. 420 -426 35 90% 0
7 HU, BQ , LI, J , ZHAO, JT , YANG, J , BAI, FL , DOU, YG , (2013) HEAVY METAL IN SURFACE SEDIMENTS OF THE LIAODONG BAY, BOHAI SEA: DISTRIBUTION, CONTAMINATION, AND SOURCES.ENVIRONMENTAL MONITORING AND ASSESSMENT. VOL. 185. ISSUE 6. P. 5071-5083 34 83% 31
8 LI, GG , HU, BQ , BI, JQ , LENG, QN , XIAO, CQ , YANG, ZC , (2013) HEAVY METALS DISTRIBUTION AND CONTAMINATION IN SURFACE SEDIMENTS OF THE COASTAL SHANDONG PENINSULA (YELLOW SEA).MARINE POLLUTION BULLETIN. VOL. 76. ISSUE 1-2. P. 420 -426 35 81% 28
9 CHAKRABORTY, S , CHAKRABORTY, P , NATH, BN , (2015) LEAD DISTRIBUTION IN COASTAL AND ESTUARINE SEDIMENTS AROUND INDIA.MARINE POLLUTION BULLETIN. VOL. 97. ISSUE 1-2. P. 36 -46 49 64% 0
10 ISLAM, MS , AHMED, MK , HABIBULLAH-AL-MAMUN, M , HOQUE, MF , (2015) PRELIMINARY ASSESSMENT OF HEAVY METAL CONTAMINATION IN SURFACE SEDIMENTS FROM A RIVER IN BANGLADESH.ENVIRONMENTAL EARTH SCIENCES. VOL. 73. ISSUE 4. P. 1837 -1848 39 75% 4

Classes with closest relation at Level 1


Rank Class id link
1 24791 DIRETORIA RADIOFARM//MANGROVE//CHLOROPHYLL FLUORESCENCE A
2 14785 ACID VOLATILE SULFIDE//SIMULTANEOUSLY EXTRACTED METALS//ENVIRONM CONTAMINANTS
3 12583 SEQUENTIAL EXTRACTION//SINGLE EXTRACTION//BCR SEQUENTIAL EXTRACTION
4 34122 INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH//ACCUMULATION RESPONSE//ACTIVE SILT
5 8204 TRACE METALS//MARINE CHEMISTRY//AQUATIC COLLOIDS
6 2041 URBAN SOILS//STREET DUST//HEAVY METALS
7 36363 KISHON RIVER ISRAEL//HAIFA BAY//ACRE VALLEY
8 36919 KEOLADEO NATIONAL PARK//RC LIMNOL//ENVIRONM IMPACT ASSESSMENT
9 35555 AEROBIC BACTERIAL POPULATION//AMAZONAS FOREST SOILS//ANAEROBIC BACTERIAL POPULATION
10 33876 IZMIT BAY//WASTE BASE//HIGH BANDWIDTH SENSOR NETWORKS

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