Class information for:
Level 1: ISOPRENE//BIOGENIC EMISSIONS//ISOPRENE EMISSION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4293 1811 49.1 76%


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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
108 3       AIR POLLUTION//TOXICOLOGY//PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH 71534
1579 2             ISOPRENE//BIOGENIC EMISSIONS//VOLATILE ORGANIC COMPOUNDS 7259
4293 1                   ISOPRENE//BIOGENIC EMISSIONS//ISOPRENE EMISSION 1811

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ISOPRENE authKW 1987696 16% 40% 295
2 BIOGENIC EMISSIONS authKW 1012969 6% 58% 104
3 ISOPRENE EMISSION authKW 686033 3% 88% 46
4 BVOC authKW 658352 3% 81% 48
5 BIOGENIC VOLATILE ORGANIC COMPOUNDS authKW 645529 3% 70% 55
6 MONOTERPENES authKW 584613 13% 15% 234
7 MONOTERPENE EMISSION authKW 363340 1% 86% 25
8 BIOGENIC VOC authKW 337166 2% 67% 30
9 ISOPRENE SYNTHASE authKW 263210 1% 71% 22
10 BIOGENIC HYDROCARBONS authKW 231861 2% 49% 28

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Meteorology & Atmospheric Sciences 47853 46% 0% 826
2 Environmental Sciences 10033 36% 0% 658
3 Plant Sciences 3294 20% 0% 358
4 Ecology 770 8% 0% 151
5 Forestry 723 4% 0% 69
6 Geosciences, Multidisciplinary 469 7% 0% 127
7 Engineering, Environmental 143 3% 0% 51
8 Biodiversity Conservation 111 1% 0% 26
9 Chemistry, Analytical 32 3% 0% 62
10 Soil Science 25 1% 0% 19

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IST BIOL AGROAMBIENTALE FO TALE 134357 2% 23% 34
2 ATMOSPHER CHEM 122159 7% 5% 134
3 CHIM ENERGIE ENVIRONM 119887 0% 89% 8
4 GRP ENVIRONM ORGAN CHEM TECHNOL 83701 1% 41% 12
5 TERR ECOL SECT 77012 1% 24% 19
6 BIOL AGR FOOD SCI 75542 1% 41% 11
7 BIOL AGR FOOD SCI DISBA 67437 0% 100% 4
8 IST BIOCHIM ECOFISIOL VEGETALI 66243 1% 30% 13
9 UNIT ENVIRONM SIMULAT 64772 1% 27% 14
10 TECH NAT SCI DEV 60689 0% 60% 6

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ATMOSPHERIC ENVIRONMENT 81067 16% 2% 286
2 ATMOSPHERIC CHEMISTRY AND PHYSICS 62283 9% 2% 171
3 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 19612 9% 1% 158
4 JOURNAL OF ATMOSPHERIC CHEMISTRY 18369 2% 3% 38
5 PLANT CELL AND ENVIRONMENT 17829 4% 1% 73
6 BIOGEOSCIENCES 13253 3% 2% 51
7 ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS 4782 1% 2% 18
8 BOREAL ENVIRONMENT RESEARCH 4298 1% 2% 14
9 ATMOSPHERIC MEASUREMENT TECHNIQUES 4004 1% 1% 21
10 TREE PHYSIOLOGY 3490 1% 1% 27

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 ISOPRENE 1987696 16% 40% 295 Search ISOPRENE Search ISOPRENE
2 BIOGENIC EMISSIONS 1012969 6% 58% 104 Search BIOGENIC+EMISSIONS Search BIOGENIC+EMISSIONS
3 ISOPRENE EMISSION 686033 3% 88% 46 Search ISOPRENE+EMISSION Search ISOPRENE+EMISSION
4 BVOC 658352 3% 81% 48 Search BVOC Search BVOC
5 BIOGENIC VOLATILE ORGANIC COMPOUNDS 645529 3% 70% 55 Search BIOGENIC+VOLATILE+ORGANIC+COMPOUNDS Search BIOGENIC+VOLATILE+ORGANIC+COMPOUNDS
6 MONOTERPENES 584613 13% 15% 234 Search MONOTERPENES Search MONOTERPENES
7 MONOTERPENE EMISSION 363340 1% 86% 25 Search MONOTERPENE+EMISSION Search MONOTERPENE+EMISSION
8 BIOGENIC VOC 337166 2% 67% 30 Search BIOGENIC+VOC Search BIOGENIC+VOC
9 ISOPRENE SYNTHASE 263210 1% 71% 22 Search ISOPRENE+SYNTHASE Search ISOPRENE+SYNTHASE
10 BIOGENIC HYDROCARBONS 231861 2% 49% 28 Search BIOGENIC+HYDROCARBONS Search BIOGENIC+HYDROCARBONS

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 GROTE, R , NIINEMETS, U , (2008) MODELING VOLATILE ISOPRENOID EMISSIONS - A STORY WITH SPLIT ENDS.PLANT BIOLOGY. VOL. 10. ISSUE 1. P. 8 -28 155 79% 77
2 GRACIA, C , PENUELAS, J , KEENAN, T , NIINEMETS, U , SABATE, S , (2009) PROCESS BASED INVENTORY OF ISOPRENOID EMISSIONS FROM EUROPEAN FORESTS: MODEL COMPARISONS, CURRENT KNOWLEDGE AND UNCERTAINTIES.ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 9. ISSUE 12. P. 4053 -4076 146 82% 37
3 NIINEMETS, U , ARNETH, A , KUHN, U , MONSON, RK , PENUELAS, J , STAUDT, M , (2010) THE EMISSION FACTOR OF VOLATILE ISOPRENOIDS: STRESS, ACCLIMATION, AND DEVELOPMENTAL RESPONSES.BIOGEOSCIENCES. VOL. 7. ISSUE 7. P. 2203 -2223 143 74% 63
4 NIINEMETS, U , MONSON, RK , ARNETH, A , CICCIOLI, P , KESSELMEIER, J , KUHN, U , NOE, SM , PENUELAS, J , STAUDT, M , (2010) THE LEAF-LEVEL EMISSION FACTOR OF VOLATILE ISOPRENOIDS: CAVEATS, MODEL ALGORITHMS, RESPONSE SHAPES AND SCALING.BIOGEOSCIENCES. VOL. 7. ISSUE 6. P. 1809 -1832 139 74% 54
5 NIINEMETS, U , KUHN, U , HARLEY, PC , STAUDT, M , ARNETH, A , CESCATTI, A , CICCIOLI, P , COPOLOVICI, L , GERON, C , GUENTHER, A , ET AL (2011) ESTIMATIONS OF ISOPRENOID EMISSION CAPACITY FROM ENCLOSURE STUDIES: MEASUREMENTS, DATA PROCESSING, QUALITY AND STANDARDIZED MEASUREMENT PROTOCOLS.BIOGEOSCIENCES. VOL. 8. ISSUE 8. P. 2209 -2246 138 58% 44
6 GUENTHER, AB , JIANG, X , HEALD, CL , SAKULYANONTVITTAYA, T , DUHL, T , EMMONS, LK , WANG, X , (2012) THE MODEL OF EMISSIONS OF GASES AND AEROSOLS FROM NATURE VERSION 2.1 (MEGAN2.1): AN EXTENDED AND UPDATED FRAMEWORK FOR MODELING BIOGENIC EMISSIONS.GEOSCIENTIFIC MODEL DEVELOPMENT. VOL. 5. ISSUE 6. P. 1471 -1492 73 60% 324
7 LORETO, F , SCHNITZLER, JP , (2010) ABIOTIC STRESSES AND INDUCED BVOCS.TRENDS IN PLANT SCIENCE. VOL. 15. ISSUE 3. P. 154-166 100 63% 185
8 BRACHO-NUNEZ, A , KNOTHE, NM , WELTER, S , STAUDT, M , COSTA, WR , LIBERATO, MAR , PIEDADE, MTF , KESSELMEIER, J , (2013) LEAF LEVEL EMISSIONS OF VOLATILE ORGANIC COMPOUNDS (VOC) FROM SOME AMAZONIAN AND MEDITERRANEAN PLANTS.BIOGEOSCIENCES. VOL. 10. ISSUE 9. P. 5855 -5873 103 79% 7
9 GUENTHER, A , KARL, T , HARLEY, P , WIEDINMYER, C , PALMER, PI , GERON, C , (2006) ESTIMATES OF GLOBAL TERRESTRIAL ISOPRENE EMISSIONS USING MEGAN (MODEL OF EMISSIONS OF GASES AND AEROSOLS FROM NATURE).ATMOSPHERIC CHEMISTRY AND PHYSICS. VOL. 6. ISSUE . P. 3181 -3210 57 65% 1273
10 KESSELMEIER, J , STAUDT, M , (1999) BIOGENIC VOLATILE ORGANIC COMPOUNDS (VOC): AN OVERVIEW ON EMISSION, PHYSIOLOGY AND ECOLOGY.JOURNAL OF ATMOSPHERIC CHEMISTRY. VOL. 33. ISSUE 1. P. 23 -88 120 49% 765

Classes with closest relation at Level 1


Rank Class id link
1 6564 PEROXYACETYL NITRATE//ALKYL NITRATES//PEROXY RADICALS
2 2568 OZONE FORMATION POTENTIAL//NON METHANE HYDROCARBONS//VOLATILE ORGANIC COMPOUNDS
3 3695 INTERNATIONAL JOURNAL OF CHEMICAL KINETICS//AIR POLLUT//CHLORINE ATOMS
4 542 SECONDARY ORGANIC AEROSOL//ORGANIC AEROSOL//ATMOSPHERIC CHEMISTRY AND PHYSICS
5 37286 AIR CHEM//CHAIRGRP EARTH SYST SCI//CHEMICAL SCHEMES
6 1404 AIR QUALITY MODELING//CMAQ//ATMOSPHERIC ENVIRONMENT
7 3150 JOURNAL OF BREATH RESEARCH//BREATH ANALYSIS//BREATH
8 37651 ENVIRONM ODOUR//EPA SW846 METHOD 8270//GC MSD DETECTION LIMITS
9 983 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES//SURFACE OZONE//STRATOSPHERE TROPOSPHERE EXCHANGE
10 1187 HERBIVORE INDUCED PLANT VOLATILES//TRITROPHIC INTERACTIONS//PLANT VOLATILES

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