Class information for:
Level 1: GROUNDWATER AGE//ENVIRONMENTAL TRACERS//GROUNDWATER DATING

Basic class information
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 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
271 3       WATER RESOURCES//GROUND WATER//GROUNDWATER 43917
721 2             COASTAL AQUIFER//GROUNDWATER//SEAWATER INTRUSION 13164
9086 1                   GROUNDWATER AGE//ENVIRONMENTAL TRACERS//GROUNDWATER DATING 1219

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GROUNDWATER AGE authKW 1470999 8% 61% 93
2 ENVIRONMENTAL TRACERS authKW 422139 4% 36% 45
3 GROUNDWATER DATING authKW 246198 2% 48% 20
4 WATER OURCES DRINKING WATER address 206059 3% 23% 34
5 NOBLE GAS TEMPERATURE authKW 126676 1% 70% 7
6 CHLOROFLUOROCARBONS authKW 115580 2% 17% 27
7 HYDROGEOLOGY JOURNAL journal 102987 7% 5% 87
8 ISOTOPE HYDROL SECT address 95762 1% 22% 17
9 ENVIRONMENTAL ISOTOPES authKW 84906 2% 14% 23
10 CFCS authKW 80512 1% 17% 18

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Water Resources 41457 50% 0% 604
2 Geosciences, Multidisciplinary 15967 42% 0% 513
3 Limnology 11986 12% 0% 147
4 Geochemistry & Geophysics 7463 22% 0% 268
5 Engineering, Civil 3438 15% 0% 185
6 Environmental Sciences 2106 21% 0% 261
7 Geology 402 3% 0% 33
8 Oceanography 269 4% 0% 46
9 Engineering, Environmental 174 4% 0% 44
10 Engineering, Geological 61 1% 0% 12

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 WATER OURCES DRINKING WATER 206059 3% 23% 34
2 ISOTOPE HYDROL SECT 95762 1% 22% 17
3 ENVIRONM ISOTOPES GRP 71810 0% 56% 5
4 HYDROGEOL ENVIRONM GRP 66665 1% 37% 7
5 ENVIRONM PHYS OCEANOG 51706 0% 100% 2
6 WASTE DECOMMISSIONING 51706 0% 100% 2
7 GROUNDWATER TRAINING 48262 2% 6% 29
8 432 38771 0% 25% 6
9 NUCL FUEL CYCLE BACKEND 34465 0% 33% 4
10 ABT TRACER OZEANOG 25853 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDROGEOLOGY JOURNAL 102987 7% 5% 87
2 JOURNAL OF HYDROLOGY 59464 14% 1% 168
3 APPLIED GEOCHEMISTRY 53935 7% 2% 90
4 GROUND WATER 36328 5% 2% 63
5 WATER RESOURCES RESEARCH 34294 11% 1% 131
6 GROUNDWATER 18457 1% 4% 16
7 RADIOCARBON 13379 3% 1% 37
8 ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 7525 1% 2% 15
9 GEOFLUIDS 5881 1% 2% 11
10 CHEMICAL GEOLOGY 4259 3% 0% 36

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 GROUNDWATER AGE 1470999 8% 61% 93 Search GROUNDWATER+AGE Search GROUNDWATER+AGE
2 ENVIRONMENTAL TRACERS 422139 4% 36% 45 Search ENVIRONMENTAL+TRACERS Search ENVIRONMENTAL+TRACERS
3 GROUNDWATER DATING 246198 2% 48% 20 Search GROUNDWATER+DATING Search GROUNDWATER+DATING
4 NOBLE GAS TEMPERATURE 126676 1% 70% 7 Search NOBLE+GAS+TEMPERATURE Search NOBLE+GAS+TEMPERATURE
5 CHLOROFLUOROCARBONS 115580 2% 17% 27 Search CHLOROFLUOROCARBONS Search CHLOROFLUOROCARBONS
6 ENVIRONMENTAL ISOTOPES 84906 2% 14% 23 Search ENVIRONMENTAL+ISOTOPES Search ENVIRONMENTAL+ISOTOPES
7 CFCS 80512 1% 17% 18 Search CFCS Search CFCS
8 GROUNDWATER MIXING 78780 1% 38% 8 Search GROUNDWATER+MIXING Search GROUNDWATER+MIXING
9 DEEP GEOLOGICAL REPOSITORIES 77559 0% 100% 3 Search DEEP+GEOLOGICAL+REPOSITORIES Search DEEP+GEOLOGICAL+REPOSITORIES
10 NOBLE GAS THERMOMETRY 77559 0% 100% 3 Search NOBLE+GAS+THERMOMETRY Search NOBLE+GAS+THERMOMETRY

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.

Classes with closest relation at Level 1


rank cluster_id2 link
1 8518 GROUNDWATER RECHARGE//CHLORIDE MASS BALANCE//RECHARGE
2 6251 NOBLE GASES//HELIUM ISOTOPES//FLUIDS VOLATILES
3 7519 NITRATE SOURCES//NITRATE ISOTOPES//NITRATE
4 21899 CHALK//QUARTERLY JOURNAL OF ENGINEERING GEOLOGY AND HYDROGEOLOGY//CHALK GROUNDWATER
5 4931 DEUTERIUM EXCESS//D EXCESS//OXYGEN 18
6 5187 HYDROGRAPH SEPARATION//HILLSLOPE HYDROLOGY//HYDROLOGICAL PROCESSES
7 5117 SEAWATER INTRUSION//COASTAL AQUIFER//SALTWATER INTRUSION
8 13429 HALOCARBONS//GLOBAL CHANGE SCI//MONTREAL PROTOCOL
9 33310 DAKHLA OASIS//NUBIAN SANDSTONE AQUIFER//SPECIFIC CAPACITY
10 20944 NATURAL ANALOGUE//KAKKONDA//U MIGRATION

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