Class information for:
Level 2: NITROUS OXIDE//GREENHOUSE GASES//N2O EMISSION

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
2785 1                   GOSAT//GLOBAL MONITORING//TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY 2179
6598 1                   METHANE EMISSION//RICE PADDY//PADDY SOIL 1495
9771 1                   VOLATILE HALOCARBONS//METHYL CHLORIDE//ORGANIC CHLORINE 1155
12720 1                   ICE CLIMATE//ICE CORE//GLACIOL GEOPHYS ENVIRONM 916
13429 1                   HALOCARBONS//GLOBAL CHANGE SCI//MONTREAL PROTOCOL 868
16873 1                   FOR UNGSBEREICH MARINE BIOGEOCHEM//FOR BEREICH MARINE BIOGEOCHEM//PROC OCEANOG CLIMA PROFC 656
20471 1                   CO DEHYDROGENASE//ATMOSPHERIC HYDROGEN//CARBOXYDOTROPHIC BACTERIA 482
35282 1                   AEROBIC METHANE//AEROBIC METHANE EMISSION//NAVY AVIAT MED 114

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NITROUS OXIDE authKW 970156 10% 31% 1194
2 GREENHOUSE GASES authKW 214710 4% 16% 528
3 N2O EMISSION authKW 201189 1% 48% 161
4 N2O authKW 195484 2% 30% 250
5 DENITRIFICATION authKW 167664 5% 11% 593
6 SOIL SCIENCE WoSSC 157385 22% 2% 2606
7 NITROUS OXIDE EMISSION authKW 146105 1% 51% 110
8 METHANE EMISSION authKW 144999 1% 31% 177
9 NUTRIENT CYCLING IN AGROECOSYSTEMS journal 126329 2% 17% 282
10 GLOBAL MONITORING address 113885 1% 38% 116

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 157385 22% 2% 2606
2 Meteorology & Atmospheric Sciences 112594 27% 1% 3302
3 Environmental Sciences 39067 29% 1% 3441
4 Geosciences, Multidisciplinary 15030 14% 0% 1672
5 Ecology 4237 8% 0% 936
6 Agronomy 3690 5% 0% 630
7 Oceanography 3317 4% 0% 501
8 Agriculture, Multidisciplinary 3009 4% 0% 444
9 Plant Sciences 1022 6% 0% 683
10 Engineering, Environmental 876 3% 0% 332

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GLOBAL MONITORING 113885 1% 38% 116
2 AIR POLLUT ENVIRONM TECHNOL 78422 1% 40% 75
3 GLOBAL CHANGE SCI 62590 0% 41% 59
4 EARTH SYST 53930 2% 9% 233
5 CLIMATE MONITORING DIAGNOST 51394 1% 21% 95
6 IMK ASF 43763 0% 48% 35
7 JIANGSU LOW CARBON AGR GHGS MITIGAT 40079 0% 59% 26
8 METEOROL CLIMATE 39631 1% 13% 122
9 STATE ATMOSPHER BOUNDARY LAYER PHYS ATM 35125 1% 13% 105
10 ATMOSPHER OCEAN STUDIES 31953 0% 21% 58

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NUTRIENT CYCLING IN AGROECOSYSTEMS 126329 2% 17% 282
2 TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY 104247 2% 16% 245
3 GLOBAL BIOGEOCHEMICAL CYCLES 93448 2% 12% 294
4 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 79224 7% 4% 817
5 SOIL BIOLOGY & BIOCHEMISTRY 75287 4% 6% 504
6 ATMOSPHERIC CHEMISTRY AND PHYSICS 68551 4% 6% 472
7 ATMOSPHERIC MEASUREMENT TECHNIQUES 62584 2% 11% 220
8 BIOLOGY AND FERTILITY OF SOILS 56718 2% 8% 279
9 SOIL SCIENCE AND PLANT NUTRITION 41372 2% 7% 225
10 BIOGEOSCIENCES 37931 2% 7% 226

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 NITROUS OXIDE 970156 10% 31% 1194 Search NITROUS+OXIDE Search NITROUS+OXIDE
2 GREENHOUSE GASES 214710 4% 16% 528 Search GREENHOUSE+GASES Search GREENHOUSE+GASES
3 N2O EMISSION 201189 1% 48% 161 Search N2O+EMISSION Search N2O+EMISSION
4 N2O 195484 2% 30% 250 Search N2O Search N2O
5 DENITRIFICATION 167664 5% 11% 593 Search DENITRIFICATION Search DENITRIFICATION
6 NITROUS OXIDE EMISSION 146105 1% 51% 110 Search NITROUS+OXIDE+EMISSION Search NITROUS+OXIDE+EMISSION
7 METHANE EMISSION 144999 1% 31% 177 Search METHANE+EMISSION Search METHANE+EMISSION
8 METHANE 111453 5% 7% 638 Search METHANE Search METHANE
9 GOSAT 91041 0% 81% 43 Search GOSAT Search GOSAT
10 N2O FLUX 83653 0% 70% 46 Search N2O+FLUX Search N2O+FLUX

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 2


rank cluster_id2 link
1 1849 PEATLAND//SPHAGNUM//BOG
2 794 SOIL SCIENCE//ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE//AGRONOMY
3 435 SOIL SCIENCE//SOIL RESPIRATION//SOIL ORGANIC CARBON
4 602 METHANOTROPHS//AMMONIA OXIDIZING ARCHAEA//AMMONIA OXIDIZING BACTERIA
5 268 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES//METEOROLOGY & ATMOSPHERIC SCIENCES//ATMOSPHERIC CHEMISTRY AND PHYSICS
6 2759 DEUTERIUM EXCESS//OXYGEN 18//CLUMPED ISOTOPES
7 1598 ALLOMETRIC EQUATIONS//CARBON SEQUESTRATION//CARBON STOCKS
8 2161 GAS HYDRATE//MUD VOLCANO//POCKMARKS
9 2956 DIMETHYL SULFIDE//DIMETHYLSULFONIOPROPIONATE//DMSP
10 2946 ACCELERATOR MASS SPECTROMETRY//RADIOCARBON//AMS

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