Class information for:
Level 1: NITROUS OXIDE//N2O EMISSION//DENITRIFICATION

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
16 3       METEOROLOGY & ATMOSPHERIC SCIENCES//ATMOSPHERIC ENVIRONMENT//JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 126179
825 2             NITROUS OXIDE//GREENHOUSE GASES//N2O EMISSION 12066
145 1                   NITROUS OXIDE//N2O EMISSION//DENITRIFICATION 4201

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NITROUS OXIDE authKW 1803812 23% 25% 960
2 N2O EMISSION authKW 475659 3% 43% 146
3 DENITRIFICATION authKW 386331 13% 10% 530
4 NITROUS OXIDE EMISSION authKW 368276 2% 48% 103
5 N2O authKW 359856 5% 24% 200
6 SOIL SCIENCE WoSSC 268829 47% 2% 1992
7 GREENHOUSE GASES authKW 224154 8% 9% 318
8 N2O FLUX authKW 200433 1% 64% 42
9 WATER FILLED PORE SPACE authKW 191715 1% 61% 42
10 NUTRIENT CYCLING IN AGROECOSYSTEMS journal 159888 4% 11% 187

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 268829 47% 2% 1992
2 Environmental Sciences 18695 33% 0% 1389
3 Agronomy 6777 11% 0% 467
4 Meteorology & Atmospheric Sciences 6301 11% 0% 480
5 Agriculture, Multidisciplinary 5183 8% 0% 322
6 Ecology 4883 13% 0% 551
7 Geosciences, Multidisciplinary 1714 8% 0% 356
8 Plant Sciences 1407 9% 0% 399
9 Biodiversity Conservation 777 2% 0% 98
10 Forestry 495 2% 0% 93

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 METEOROL CLIMATE 63538 2% 9% 91
2 BIOSPHERE ATMOSPHERE EXCHANGE 62499 0% 83% 10
3 ATMOSPHER ENVIRONM IMK IFU 57161 1% 25% 30
4 SOIL WATER MANAGEMENT UNIT 45127 1% 19% 32
5 STATE ATMOSPHER BOUNDARY LAYER PHYS ATM 43689 2% 8% 69
6 SOIL PHYS SCI 40913 1% 19% 29
7 SOIL SCI FO T NUTR 37154 1% 15% 34
8 SOIL SCI 33704 6% 2% 267
9 STATE SOIL SUSTAINABLE AGR 25365 2% 4% 82
10 METEOROL CLIMATE ATMOSPHER ENVIRONM RE 22914 0% 16% 19

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NUTRIENT CYCLING IN AGROECOSYSTEMS 159888 4% 11% 187
2 SOIL BIOLOGY & BIOCHEMISTRY 140685 10% 5% 405
3 BIOLOGY AND FERTILITY OF SOILS 85829 5% 6% 202
4 AGRICULTURE ECOSYSTEMS & ENVIRONMENT 53614 5% 3% 206
5 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 41427 5% 2% 228
6 JOURNAL OF ENVIRONMENTAL QUALITY 30138 4% 2% 166
7 CANADIAN JOURNAL OF SOIL SCIENCE 28213 2% 4% 97
8 SOIL SCIENCE AND PLANT NUTRITION 23057 2% 3% 99
9 GLOBAL BIOGEOCHEMICAL CYCLES 21880 2% 3% 84
10 BIOGEOSCIENCES 20956 2% 3% 99

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 NITROUS OXIDE 1803812 23% 25% 960 Search NITROUS+OXIDE Search NITROUS+OXIDE
2 N2O EMISSION 475659 3% 43% 146 Search N2O+EMISSION Search N2O+EMISSION
3 DENITRIFICATION 386331 13% 10% 530 Search DENITRIFICATION Search DENITRIFICATION
4 NITROUS OXIDE EMISSION 368276 2% 48% 103 Search NITROUS+OXIDE+EMISSION Search NITROUS+OXIDE+EMISSION
5 N2O 359856 5% 24% 200 Search N2O Search N2O
6 GREENHOUSE GASES 224154 8% 9% 318 Search GREENHOUSE+GASES Search GREENHOUSE+GASES
7 N2O FLUX 200433 1% 64% 42 Search N2O+FLUX Search N2O+FLUX
8 WATER FILLED PORE SPACE 191715 1% 61% 42 Search WATER+FILLED+PORE+SPACE Search WATER+FILLED+PORE+SPACE
9 EMISSION FACTOR 146705 2% 19% 105 Search EMISSION+FACTOR Search EMISSION+FACTOR
10 ACETYLENE INHIBITION 137104 1% 63% 29 Search ACETYLENE+INHIBITION Search ACETYLENE+INHIBITION

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 14215 NITRIFICATION INHIBITOR//DICYANDIAMIDE//3 4 DIMETHYLPYRAZOLE PHOSPHATE
2 6598 METHANE EMISSION//RICE PADDY//PADDY SOIL
3 38010 HUMAN PHYSIOL COMMUNITY DEV//HYBRIDISING RESTRICTION FRAGMENT//BRADYRHIZOBIUM SP LOTUS
4 35282 AEROBIC METHANE//AEROBIC METHANE EMISSION//NAVY AVIAT MED
5 16873 FOR UNGSBEREICH MARINE BIOGEOCHEM//FOR BEREICH MARINE BIOGEOCHEM//PROC OCEANOG CLIMA PROFC
6 32107 CYTOCHROME P450NOR//FUNGAL DENITRIFICATION//P450NOR
7 7094 AMMONIA VOLATILIZATION//UREASE INHIBITOR//FERTILIZER RESEARCH
8 4378 NITROGEN SATURATION//N SATURATION//GROSS NITRIFICATION
9 24674 DEP BIOTECHNOL CHEM ENVIRONM ENGN//ENVIRONM ENGN SECT//CITY ENVIRONM SECT
10 3623 AMMONIA OXIDIZING ARCHAEA//AMMONIA OXIDIZING BACTERIA//AMOA

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