Class information for:
Level 1: COPROSTANOL//ALKENONES//ORGANIC GEOCHEMISTRY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5657 1592 46.3 59%


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
31 3       GEOGRAPHY, PHYSICAL//GEOSCIENCES, MULTIDISCIPLINARY//HOLOCENE 107938
2238 2             ORGANIC GEOCHEMISTRY//MARINE ORGAN BIOGEOCHEM//ALKENONES 4757
5657 1                   COPROSTANOL//ALKENONES//ORGANIC GEOCHEMISTRY 1592

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 COPROSTANOL authKW 1010461 4% 75% 70
2 ALKENONES authKW 801238 6% 45% 93
3 ORGANIC GEOCHEMISTRY journal 421648 19% 7% 298
4 IP25 authKW 309406 1% 73% 22
5 HIGHLY BRANCHED ISOPRENOIDS authKW 276933 1% 76% 19
6 STEROLS authKW 189531 9% 7% 141
7 LINEAR ALKYLBENZENES authKW 187930 1% 47% 21
8 LIPID BIOMARKERS authKW 162905 2% 22% 39
9 RHIZOSOLENIA SETIGERA authKW 122741 1% 80% 8
10 FAECAL STEROLS authKW 122129 1% 58% 11

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 Geochemistry & Geophysics 20366 32% 0% 503
2 Oceanography 11033 19% 0% 301
3 Marine & Freshwater Biology 3975 15% 0% 241
4 Environmental Sciences 2077 19% 0% 298
5 Geosciences, Multidisciplinary 857 10% 0% 152
6 Paleontology 804 3% 0% 51
7 Engineering, Environmental 346 4% 0% 68
8 Limnology 243 2% 0% 26
9 Geography, Physical 184 2% 0% 33
10 Plant Sciences 162 6% 0% 96

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 PETR ENVIRONM GEOCHEM GRP 110770 2% 22% 26
2 OSU 109085 1% 36% 16
3 UMR 6117 98416 2% 19% 27
4 MICROBIOL GEOCHIM ECOL MARINES 97723 2% 21% 24
5 CNRS INSU IRD UM 110 94413 1% 62% 8
6 PROGRAMA POS SISTEMAS COSTEIROS OCEAN PGSIS 93972 0% 70% 7
7 UMR 6535 68150 2% 15% 24
8 OCEANOG BIOGEOCHIM 59640 1% 14% 23
9 LAGOM 51141 0% 67% 4
10 FAK PENGAJIAN ALAM SEKITAR 43151 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 ORGANIC GEOCHEMISTRY 421648 19% 7% 298
2 MARINE CHEMISTRY 38582 5% 3% 79
3 PALEOCEANOGRAPHY 13350 2% 2% 38
4 GEOCHIMICA ET COSMOCHIMICA ACTA 12036 6% 1% 90
5 MARINE POLLUTION BULLETIN 5788 3% 1% 51
6 GEOCHEMICAL JOURNAL 3383 1% 1% 16
7 DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 3279 1% 1% 22
8 PHYTOCHEMISTRY 2543 3% 0% 55
9 JOURNAL OF PHYCOLOGY 2208 1% 1% 22
10 LIPIDS 1994 2% 0% 25

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 COPROSTANOL 1010461 4% 75% 70 Search COPROSTANOL Search COPROSTANOL
2 ALKENONES 801238 6% 45% 93 Search ALKENONES Search ALKENONES
3 IP25 309406 1% 73% 22 Search IP25 Search IP25
4 HIGHLY BRANCHED ISOPRENOIDS 276933 1% 76% 19 Search HIGHLY+BRANCHED+ISOPRENOIDS Search HIGHLY+BRANCHED+ISOPRENOIDS
5 STEROLS 189531 9% 7% 141 Search STEROLS Search STEROLS
6 LINEAR ALKYLBENZENES 187930 1% 47% 21 Search LINEAR+ALKYLBENZENES Search LINEAR+ALKYLBENZENES
7 LIPID BIOMARKERS 162905 2% 22% 39 Search LIPID+BIOMARKERS Search LIPID+BIOMARKERS
8 RHIZOSOLENIA SETIGERA 122741 1% 80% 8 Search RHIZOSOLENIA+SETIGERA Search RHIZOSOLENIA+SETIGERA
9 FAECAL STEROLS 122129 1% 58% 11 Search FAECAL+STEROLS Search FAECAL+STEROLS
10 HBI ALKENES 115073 0% 100% 6 Search HBI+ALKENES Search HBI+ALKENES

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 LIU, WG , SONG, M , ZHOU, AF , HE, YX , ZHAO, C , WU, JL , ZHAO, Y , LIU, ZH , (2016) ENVIRONMENTAL CONTROLS ON LONG-CHAIN ALKENONE OCCURRENCE AND COMPOSITIONAL PATTERNS IN LACUSTRINE SEDIMENTS, NORTHWESTERN CHINA.ORGANIC GEOCHEMISTRY. VOL. 91. ISSUE . P. 43 -53 49 88% 2
2 RONTANI, JF , VOLKMAN, JK , PRAHL, FG , WAKEHAM, SG , (2013) BIOTIC AND ABIOTIC DEGRADATION OF ALKENONES AND IMPLICATIONS FOR U-37(K ') PALEOPROXY APPLICATIONS: A REVIEW.ORGANIC GEOCHEMISTRY. VOL. 59. ISSUE . P. 95 -113 78 56% 11
3 MARTINS, CC , CABRAL, AC , BARBOSA-CINTRA, SCT , DAUNER, ALL , SOUZA, FM , (2014) AN INTEGRATED EVALUATION OF MOLECULAR MARKER INDICES AND LINEAR ALKYLBENZENES (LABS) TO MEASURE SEWAGE INPUT IN A SUBTROPICAL ESTUARY (BABITONGA BAY, BRAZIL).ENVIRONMENTAL POLLUTION. VOL. 188. ISSUE . P. 71-80 41 93% 16
4 BUJAGIC, IM , GRUJIC, S , JAUKOVIC, Z , LAUSEVIC, M , (2016) STEROL RATIOS AS A TOOL FOR SEWAGE POLLUTION ASSESSMENT OF RIVER SEDIMENTS IN SERBIA.ENVIRONMENTAL POLLUTION. VOL. 213. ISSUE . P. 76 -83 47 82% 1
5 CONTE, MH , SICRE, MA , RUHLEMANN, C , WEBER, JC , SCHULTE, S , SCHULZ-BULL, D , BLANZ, T , (2006) GLOBAL TEMPERATURE CALIBRATION OF THE ALKENONE UNSATURATION INDEX (U-37(K ')) IN SURFACE WATERS AND COMPARISON WITH SURFACE SEDIMENTS.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS. VOL. 7. ISSUE . P. - 55 82% 62
6 VOLKMAN, JK , BARRETT, SM , BLACKBURN, SI , MANSOUR, MP , SIKES, EL , GELIN, F , (1998) MICROALGAL BIOMARKERS: A REVIEW OF RECENT RESEARCH DEVELOPMENTS.ORGANIC GEOCHEMISTRY. VOL. 29. ISSUE 5-7. P. 1163 -1179 52 69% 571
7 CHU, GQ , SUN, Q , LI, SQ , ZHENG, MP , JIA, XX , LU, CF , LIU, JQ , LIU, TS , (2005) LONG-CHAIN ALKENONE DISTRIBUTIONS AND TEMPERATURE DEPENDENCE IN LACUSTRINE SURFACE SEDIMENTS FROM CHINA.GEOCHIMICA ET COSMOCHIMICA ACTA. VOL. 69. ISSUE 21. P. 4985 -5003 59 77% 52
8 FRENA, M , BATAGLION, GA , TONIETTO, AE , EBERLIN, MN , ALEXANDRE, MR , MADUREIRA, LAS , (2016) ASSESSMENT OF ANTHROPOGENIC CONTAMINATION WITH STEROL MARKERS IN SURFACE SEDIMENTS OF A TROPICAL ESTUARY (ITAJAI-ACU, BRAZIL).SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 544. ISSUE . P. 432 -438 33 92% 3
9 LIU, WG , LIU, ZH , WANG, HY , HE, YX , WANG, Z , XU, LM , (2011) SALINITY CONTROL ON LONG-CHAIN ALKENONE DISTRIBUTIONS IN LAKE SURFACE WATERS AND SEDIMENTS OF THE NORTHERN QINGHAI-TIBETAN PLATEAU, CHINA.GEOCHIMICA ET COSMOCHIMICA ACTA. VOL. 75. ISSUE 7. P. 1693-1703 40 91% 25
10 NAKAMURA, H , SAWADA, K , ARAIE, H , SUZUKI, I , SHIRAIWA, Y , (2014) LONG CHAIN ALKENES, ALKENONES AND ALKENOATES PRODUCED BY THE HAPTOPHYTE ALGA CHRYSOTILA LAMELLOSA CCMP1307 ISOLATED FROM A SALT MARSH.ORGANIC GEOCHEMISTRY. VOL. 66. ISSUE . P. 90-97 41 84% 5

Classes with closest relation at Level 1


Rank Class id link
1 10846 N ALKANES//ORGANIC GEOCHEMISTRY//LEAF WAX
2 35308 CHROMARODS//TLC FID//COOKED BEEF LIPIDS
3 25890 CHIM ANALYT ENVIRONM//PHOSPHOLIPID ESTER LINKED FATTY ACIDS//SIGNATURE LIPID BIOMARKERS
4 12438 DISSOLVED PROTEINS//MARINE CHEMISTRY//MARINE CORROS MAT
5 1196 ORGANIC GEOCHEMISTRY//OIL SOURCE CORRELATION//STERANES
6 14844 METHOXYLATED FATTY ACIDS//MIYAKO//TOPSENTIA OPHIRAPHIDITES
7 20787 LIGNIN PHENOLS//PACIFIC OCEANOL//CUO OXIDATION
8 1548 PAHS//POLYCYCLIC AROMATIC HYDROCARBONS//PETROGENIC
9 9312 MARINE ORGAN BIOGEOCHEM//TEX86//GDGTS
10 20995 BOTRYOCOCCUS BRAUNII//BOTRYOCOCCENE//ALGAENAN

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