Class information for:
Level 1: DRY COMBUSTION//WALKLEY BLACK METHOD//WALKLEY BLACK

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
53 3       SOIL SCIENCE//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL//AGRONOMY 95847
435 2             SOIL SCIENCE//SOIL RESPIRATION//SOIL ORGANIC CARBON 16567
28434 1                   DRY COMBUSTION//WALKLEY BLACK METHOD//WALKLEY BLACK 225

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DRY COMBUSTION authKW 1927689 8% 81% 17
2 WALKLEY BLACK METHOD authKW 814976 4% 73% 8
3 WALKLEY BLACK authKW 720383 3% 86% 6
4 THERMAL GRADIENT ANALYSIS authKW 280150 1% 100% 2
5 WALKLEY AND BLACK METHOD authKW 280150 1% 100% 2
6 WALKLEY BLACK TITRATION authKW 280150 1% 100% 2
7 WEIGHT LOSS ON IGNITION authKW 280150 1% 100% 2
8 WET COMBUSTION authKW 252132 1% 60% 3
9 LOSS ON IGNITION authKW 246567 6% 14% 13
10 CALCIMETER authKW 186765 1% 67% 2

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 21434 58% 0% 130
2 Agronomy 3747 34% 0% 77
3 Chemistry, Analytical 1434 35% 0% 78
4 Plant Sciences 1224 33% 0% 74
5 Oceanography 151 6% 0% 14
6 Limnology 137 3% 0% 7
7 Agriculture, Multidisciplinary 68 4% 0% 9
8 Environmental Sciences 61 10% 0% 22
9 Chemistry, Multidisciplinary 10 8% 0% 17
10 Marine & Freshwater Biology 9 3% 0% 6

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CNRS CREMA LHOUMEAU CASE 5 140075 0% 100% 1
2 DEP SOIL MANAGEMENT CONSERVAT 140075 0% 100% 1
3 O SEP 140075 0% 100% 1
4 OFF COORDINAT CLIMATE CHANGE OBSERVAT 140075 0% 100% 1
5 PROGRAMA POS UCACAO CIENCIA SOLO 140075 0% 100% 1
6 SCITAN THINH WARD 140075 0% 100% 1
7 SOIL PLANT AGR ENGN 140075 0% 100% 1
8 SOIL PROJECT 140075 0% 100% 1
9 AGRONOM MED VET 70036 0% 50% 1
10 EMBR A UMENTACAO AGROPECUARIA 70036 0% 50% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 87587 29% 1% 66
2 SOIL RESEARCH 4197 2% 1% 4
3 ARID SOIL RESEARCH AND REHABILITATION 1731 1% 1% 2
4 MARINE CHEMISTRY 1608 3% 0% 6
5 GREEN MATERIALS 1590 0% 1% 1
6 REVISTA BRASILEIRA DE CIENCIA DO SOLO 1485 2% 0% 5
7 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 1484 4% 0% 10
8 JOURNAL OF SOIL SCIENCE 1467 1% 0% 3
9 SCIENTIA AGRICOLA 1078 1% 0% 3
10 AUSTRALIAN JOURNAL OF SOIL RESEARCH 1029 2% 0% 4

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DRY COMBUSTION 1927689 8% 81% 17 Search DRY+COMBUSTION Search DRY+COMBUSTION
2 WALKLEY BLACK METHOD 814976 4% 73% 8 Search WALKLEY+BLACK+METHOD Search WALKLEY+BLACK+METHOD
3 WALKLEY BLACK 720383 3% 86% 6 Search WALKLEY+BLACK Search WALKLEY+BLACK
4 THERMAL GRADIENT ANALYSIS 280150 1% 100% 2 Search THERMAL+GRADIENT+ANALYSIS Search THERMAL+GRADIENT+ANALYSIS
5 WALKLEY AND BLACK METHOD 280150 1% 100% 2 Search WALKLEY+AND+BLACK+METHOD Search WALKLEY+AND+BLACK+METHOD
6 WALKLEY BLACK TITRATION 280150 1% 100% 2 Search WALKLEY+BLACK+TITRATION Search WALKLEY+BLACK+TITRATION
7 WEIGHT LOSS ON IGNITION 280150 1% 100% 2 Search WEIGHT+LOSS+ON+IGNITION Search WEIGHT+LOSS+ON+IGNITION
8 WET COMBUSTION 252132 1% 60% 3 Search WET+COMBUSTION Search WET+COMBUSTION
9 LOSS ON IGNITION 246567 6% 14% 13 Search LOSS+ON+IGNITION Search LOSS+ON+IGNITION
10 CALCIMETER 186765 1% 67% 2 Search CALCIMETER Search CALCIMETER

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 6091 SOIL ORGANIC CARBON//ROTHC//CENTURY MODEL
2 25055 KJELDAHL METHOD//KJELDAHL//DUMAS METHOD
3 37194 NORMAN WELLS PIPELINE//PIPELINE CONSTRUCTION//APICS
4 538 DENSITY FRACTIONATION//SOIL ORGANIC CARBON//SOIL SCIENCE
5 28768 SOIL OURCE STUDIES//GILGAI SOIL COMPLEXES//MULTI NUTRIENT DEFICIENCIES
6 4555 BRUCE E BUTLER//SOIL SPECTROSCOPY//SOIL REFLECTANCE
7 38631 ACCRETION OF THE COASTLINE//ERODIBILITY OF THE SOIL//ESTIACHEM ENGN
8 18723 SOIL QUALITY INDEX//SOIL QUALITY INDICATORS//SOIL QUALITY
9 13828 LIGNIN PHENOLS//PARTICULATE ORGANIC CARBON//CUO OXIDATION
10 28448 SEC PAGE//WATER NOM//WEIGHT CONTENT OF FRACTIONS

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