Class information for:
Level 2: OXYGEN 18//DEUTERIUM EXCESS//DELTA O 18

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1885 5988 38.3 61%


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
3 4 PLANT SCIENCES//AGRONOMY//FOOD SCIENCE & TECHNOLOGY 1882812
60 3       FORESTRY//FOREST ECOLOGY AND MANAGEMENT//CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE 87011
1885 2             OXYGEN 18//DEUTERIUM EXCESS//DELTA O 18 5988
5319 1                   TREE RINGS//LEAF WATER ENRICHMENT//STABLE ISOTOPE RATIO IL ENVIRONM 1641
5855 1                   DEUTERIUM EXCESS//D EXCESS//OXYGEN 18 1567
10376 1                   SNIF NMR//GEOGRAPHICAL ORIGIN//IRMS 1069
11734 1                   EFFECTIVE HAMILTONIAN MODEL//O 163//GRP SPE OMETRIE MOL ATMOSPHER 958
20227 1                   GYPSUM CRYSTALLIZATION WATER//DOUBLY LABELED WATER//FOOD INTAKE ENERGY BALANCE 470
25377 1                   CLUMPED ISOTOPES//CLUMPED ISOTOPE THERMOMETRY//CLUMPED ISOTOPE GEOCHEMISTRY 283

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 OXYGEN 18 authKW 287343 3% 37% 153
2 DEUTERIUM EXCESS authKW 202864 1% 72% 55
3 DELTA O 18 authKW 166123 2% 30% 107
4 SNIF NMR authKW 161513 1% 81% 39
5 STABLE ISOTOPES authKW 153397 9% 5% 551
6 TREE RINGS authKW 151839 3% 14% 209
7 GEOGRAPHICAL ORIGIN authKW 138514 2% 26% 103
8 HYDROGEN 2 authKW 134362 1% 45% 59
9 ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES journal 109153 2% 17% 126
10 IRMS authKW 105997 1% 35% 60

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 11386 13% 0% 766
2 Geosciences, Multidisciplinary 10989 17% 0% 991
3 Spectroscopy 6397 10% 0% 569
4 Geochemistry & Geophysics 5803 9% 0% 553
5 Water Resources 5798 9% 0% 533
6 Chemistry, Analytical 3708 12% 0% 715
7 Food Science & Technology 2561 9% 0% 512
8 Forestry 2412 4% 0% 229
9 Geography, Physical 2291 4% 0% 212
10 Physics, Atomic, Molecular & Chemical 2099 9% 0% 514

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 STABLE ISOTOPE RATIO IL ENVIRONM 69124 0% 59% 23
2 LAIEM 68893 0% 52% 26
3 STATE CRYOSPHER SCI 60611 1% 14% 87
4 ICE CORE COLD REG ENVIRONM 57309 1% 38% 30
5 ISOTOPE HYDROL SECT 48501 0% 37% 26
6 CHAIR BIOCLIMATOL 45333 0% 68% 13
7 GRP SPE OMETRIE MOL ATMOSPHER 41635 1% 19% 43
8 ATMOSPHER CHEM STABLE ISOTOPES ECOSYST FLUX 37533 0% 82% 9
9 TIBETAN PLATEAU 37321 2% 6% 114
10 LEHRSTUHL GRUNLANDLEHRE 35962 0% 25% 28

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 ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 109153 2% 17% 126
2 RAPID COMMUNICATIONS IN MASS SPECTROMETRY 56720 5% 4% 316
3 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 15192 4% 1% 255
4 PLANT CELL AND ENVIRONMENT 15188 2% 2% 123
5 GEOCHIMICA ET COSMOCHIMICA ACTA 13501 3% 1% 186
6 JOURNAL OF HYDROLOGY 12410 3% 1% 172
7 CHEMICAL GEOLOGY 9588 2% 2% 120
8 TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY 8520 1% 3% 50
9 TREE PHYSIOLOGY 8120 1% 2% 75
10 GLOBAL BIOGEOCHEMICAL CYCLES 7032 1% 3% 55

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 OXYGEN 18 287343 3% 37% 153 Search OXYGEN+18 Search OXYGEN+18
2 DEUTERIUM EXCESS 202864 1% 72% 55 Search DEUTERIUM+EXCESS Search DEUTERIUM+EXCESS
3 DELTA O 18 166123 2% 30% 107 Search DELTA+O+18 Search DELTA+O+18
4 SNIF NMR 161513 1% 81% 39 Search SNIF+NMR Search SNIF+NMR
5 STABLE ISOTOPES 153397 9% 5% 551 Search STABLE+ISOTOPES Search STABLE+ISOTOPES
6 TREE RINGS 151839 3% 14% 209 Search TREE+RINGS Search TREE+RINGS
7 GEOGRAPHICAL ORIGIN 138514 2% 26% 103 Search GEOGRAPHICAL+ORIGIN Search GEOGRAPHICAL+ORIGIN
8 HYDROGEN 2 134362 1% 45% 59 Search HYDROGEN+2 Search HYDROGEN+2
9 IRMS 105997 1% 35% 60 Search IRMS Search IRMS
10 CLUMPED ISOTOPES 102774 1% 61% 33 Search CLUMPED+ISOTOPES Search CLUMPED+ISOTOPES

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 GALEWSKY, J , STEEN-LARSEN, HC , FIELD, RD , WORDEN, J , RISI, C , SCHNEIDER, M , (2016) STABLE ISOTOPES IN ATMOSPHERIC WATER VAPOR AND APPLICATIONS TO THE HYDROLOGIC CYCLE.REVIEWS OF GEOPHYSICS. VOL. 54. ISSUE 4. P. 809 -865 193 57% 1
2 WERNER, C , SCHNYDER, H , CUNTZ, M , KEITEL, C , ZEEMAN, MJ , DAWSON, TE , BADECK, FW , BRUGNOLI, E , GHASHGHAIE, J , GRAMS, TEE , ET AL (2012) PROGRESS AND CHALLENGES IN USING STABLE ISOTOPES TO TRACE PLANT CARBON AND WATER RELATIONS ACROSS SCALES.BIOGEOSCIENCES. VOL. 9. ISSUE 8. P. 3083 -3111 170 62% 44
3 GESSLER, A , FERRIO, JP , HOMMEL, R , TREYDTE, K , WERNER, RA , MONSON, RK , (2014) STABLE ISOTOPES IN TREE RINGS: TOWARDS A MECHANISTIC UNDERSTANDING OF ISOTOPE FRACTIONATION AND MIXING PROCESSES FROM THE LEAVES TO THE WOOD.TREE PHYSIOLOGY. VOL. 34. ISSUE 8. P. 796 -818 129 68% 38
4 MCCARROLL, D , LOADER, NJ , (2004) STABLE ISOTOPES IN TREE RINGS.QUATERNARY SCIENCE REVIEWS. VOL. 23. ISSUE 7-8. P. 771-801 106 76% 614
5 CERNUSAK, LA , BARBOUR, MM , ARNDT, SK , CHEESMAN, AW , ENGLISH, NB , FEILD, TS , HELLIKER, BR , HOLLOWAY-PHILLIPS, MM , HOLTUM, JAM , KAHMEN, A , ET AL (2016) STABLE ISOTOPES IN LEAF WATER OF TERRESTRIAL PLANTS.PLANT CELL AND ENVIRONMENT. VOL. 39. ISSUE 5. P. 1087 -1102 93 79% 6
6 GRIFFIS, TJ , (2013) TRACING THE FLOW OF CARBON DIOXIDE AND WATER VAPOR BETWEEN THE BIOSPHERE AND ATMOSPHERE: A REVIEW OF OPTICAL ISOTOPE TECHNIQUES AND THEIR APPLICATION.AGRICULTURAL AND FOREST METEOROLOGY. VOL. 174. ISSUE . P. 85 -109 121 73% 29
7 ZHANG, MJ , WANG, SJ , (2016) A REVIEW OF PRECIPITATION ISOTOPE STUDIES IN CHINA: BASIC PATTERN AND HYDROLOGICAL PROCESS.JOURNAL OF GEOGRAPHICAL SCIENCES. VOL. 26. ISSUE 7. P. 921 -938 81 91% 2
8 BARBOUR, MM , (2007) STABLE OXYGEN ISOTOPE COMPOSITION OF PLANT TISSUE: A REVIEW.FUNCTIONAL PLANT BIOLOGY. VOL. 34. ISSUE 2. P. 83 -94 85 86% 225
9 YOSHIMURA, K , (2015) STABLE WATER ISOTOPES IN CLIMATOLOGY, METEOROLOGY, AND HYDROLOGY: A REVIEW.JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN. VOL. 93. ISSUE 5. P. 513 -533 89 71% 4
10 YAO, TD , MASSON-DELMOTTE, V , GAO, J , YU, WS , YANG, XX , RISI, C , STURM, C , WERNER, M , ZHAO, HB , HE, Y , ET AL (2013) A REVIEW OF CLIMATIC CONTROLS ON DELTA O-18 IN PRECIPITATION OVER THE TIBETAN PLATEAU: OBSERVATIONS AND SIMULATIONS.REVIEWS OF GEOPHYSICS. VOL. 51. ISSUE 4. P. - 76 67% 56

Classes with closest relation at Level 2


Rank Class id link
1 2338 TREE RINGS//DENDROCLIMATOLOGY//DENDROCHRONOLOGY
2 285 ELEVATED CO2//TREE PHYSIOLOGY//STOMATAL CONDUCTANCE
3 2238 ORGANIC GEOCHEMISTRY//MARINE ORGAN BIOGEOCHEM//ALKENONES
4 1599 METHANOTROPHS//METHANE OXIDATION//METHANE EMISSION
5 3374 MTBE//METHYL TERT BUTYL ETHER//METHYL TERTIARY BUTYL ETHER
6 1403 SPELEOTHEM//STALAGMITE//TRAVERTINE
7 3760 VANILLIN//VANILLA PLANIFOLIA//PHENOLIC ACID DECARBOXYLASE
8 122 WATER RESOURCES//GROUND WATER//GROUNDWATER
9 448 JOURNAL OF GLACIOLOGY//ANNALS OF GLACIOLOGY//CRYOSPHERE
10 2284 PHYTOLITHS//HOLOCENE//STARCH GRAIN ANALYSIS

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