Class information for:
Level 1: NATURAL BACKGROUND LEVELS//CLASSIFICATION INTO HOMOGENEOUS GROUPS//GROUNDWATER TYPOLOGIES

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
35281 1                   NATURAL BACKGROUND LEVELS//CLASSIFICATION INTO HOMOGENEOUS GROUPS//GROUNDWATER TYPOLOGIES 114

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NATURAL BACKGROUND LEVELS authKW 3612478 12% 93% 14
2 CLASSIFICATION INTO HOMOGENEOUS GROUPS authKW 552931 2% 100% 2
3 GROUNDWATER TYPOLOGIES authKW 552931 2% 100% 2
4 PESTICIDE WASTES authKW 552931 2% 100% 2
5 GROUNDWATER DIRECTIVE authKW 491489 4% 44% 4
6 KIS BALATON address 406560 4% 29% 5
7 GEOINDICATORS authKW 340259 4% 31% 4
8 ASSESSMENT METHOD DEVELOPMENT authKW 276465 1% 100% 1
9 BODY OF GROUNDWATER authKW 276465 1% 100% 1
10 CHEMICAL STATUS ASSESSMENT authKW 276465 1% 100% 1

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Water Resources 1824 34% 0% 39
2 Environmental Sciences 1215 50% 0% 57
3 Engineering, Environmental 523 18% 0% 20
4 Geosciences, Multidisciplinary 167 15% 0% 17
5 Soil Science 80 5% 0% 6
6 Geochemistry & Geophysics 32 5% 0% 6
7 Agronomy 23 4% 0% 5
8 Meteorology & Atmospheric Sciences 20 4% 0% 5
9 Ecology 15 5% 0% 6
10 Geology 15 2% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 KIS BALATON 406560 4% 29% 5
2 DECRG EE 276465 1% 100% 1
3 DUBLIN CITY COUNCIL 276465 1% 100% 1
4 ICPDR PERMANENT SECRETARIAT 276465 1% 100% 1
5 MONTE PINO OBSERV CLIMATE LANDSC E ITALY 276465 1% 100% 1
6 TEMS NETWORK TERR 276465 1% 100% 1
7 UPCT 52 276465 1% 100% 1
8 CHAIR ENVIRONM GEOL 221170 2% 40% 2
9 PHYS PL GEOL 201051 7% 9% 8
10 CHAIR EVOLUTIONARY ECOL 138232 1% 50% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENVIRONMENTAL SCIENCE & POLICY 4307 4% 0% 5
2 ENVIRONMENTAL GEOLOGY 4217 6% 0% 7
3 ECOLOGICAL ENGINEERING 2294 5% 0% 6
4 ENVIRONMENTAL FORENSICS 2052 2% 0% 2
5 HYDROLOGY RESEARCH 1830 2% 0% 2
6 OPEN GEOSCIENCES 1829 1% 1% 1
7 BALTICA 1684 1% 1% 1
8 HYDROGEOLOGY JOURNAL 1306 3% 0% 3
9 GRUNDWASSER 1290 1% 0% 1
10 IDOJARAS 1278 1% 0% 1

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 NATURAL BACKGROUND LEVELS 3612478 12% 93% 14 Search NATURAL+BACKGROUND+LEVELS Search NATURAL+BACKGROUND+LEVELS
2 CLASSIFICATION INTO HOMOGENEOUS GROUPS 552931 2% 100% 2 Search CLASSIFICATION+INTO+HOMOGENEOUS+GROUPS Search CLASSIFICATION+INTO+HOMOGENEOUS+GROUPS
3 GROUNDWATER TYPOLOGIES 552931 2% 100% 2 Search GROUNDWATER+TYPOLOGIES Search GROUNDWATER+TYPOLOGIES
4 PESTICIDE WASTES 552931 2% 100% 2 Search PESTICIDE+WASTES Search PESTICIDE+WASTES
5 GROUNDWATER DIRECTIVE 491489 4% 44% 4 Search GROUNDWATER+DIRECTIVE Search GROUNDWATER+DIRECTIVE
6 GEOINDICATORS 340259 4% 31% 4 Search GEOINDICATORS Search GEOINDICATORS
7 ASSESSMENT METHOD DEVELOPMENT 276465 1% 100% 1 Search ASSESSMENT+METHOD+DEVELOPMENT Search ASSESSMENT+METHOD+DEVELOPMENT
8 BODY OF GROUNDWATER 276465 1% 100% 1 Search BODY+OF+GROUNDWATER Search BODY+OF+GROUNDWATER
9 CHEMICAL STATUS ASSESSMENT 276465 1% 100% 1 Search CHEMICAL+STATUS+ASSESSMENT Search CHEMICAL+STATUS+ASSESSMENT
10 CHUI WANG B SPLINE 276465 1% 100% 1 Search CHUI+WANG+B+SPLINE Search CHUI+WANG+B+SPLINE

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 36983 INVESTIGADOR SISTEMA ACUIFERO QUINTANA ROO AC//MCEP//SIAN KAAN
2 36549 WATERSHED WATER QUALITY//AGENCES FINANCIERES DE BASSIN//AMMONIA PERMIT LIMIT
3 37330 DYNAMIC FACTOR ANALYSIS//AGRICULTURAL DIFFUSE LOADS//AIRBORNE FLUX
4 7519 NITRATE SOURCES//NITRATE ISOTOPES//NITRATE
5 26275 WATER SAFETY PLAN//ENVIRONM HLTH HLTH HUMAN SERV//SOURCE WATER PROTECTION
6 30427 MGROWA//AGRI ENVIRONMENTAL POLICY EVALUATION//GROWA
7 15678 MONITORING NETWORK//GROUNDWATER QUALITY MONITORING//MONITORING NETWORK DESIGN
8 24724 NON DETECTS//LEFT CENSORED DATA//BELOW DETECTION DATA
9 29979 STROMUNGSMECH HYDRAUL STROMUNGSMA INEN//WASSERWIRTSCHAFT//HYDROTEC INGN GESELL
10 37497 LAND DEGRADATION AND REHABILITATION//LEAF GREENNESS SPAD//ASSET PENTAGON

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