Class information for:
Level 1: PETM//PALEOCENE EOCENE THERMAL MAXIMUM//EOCENE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3316 2012 58.0 50%


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
31 3       GEOGRAPHY, PHYSICAL//GEOSCIENCES, MULTIDISCIPLINARY//HOLOCENE 107938
300 2             PALEOCEANOGRAPHY//MARINE MICROPALEONTOLOGY//PALEONTOLOGY 18594
3316 1                   PETM//PALEOCENE EOCENE THERMAL MAXIMUM//EOCENE 2012

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 PETM authKW 914062 4% 77% 78
2 PALEOCENE EOCENE THERMAL MAXIMUM authKW 718968 3% 82% 58
3 EOCENE authKW 327767 9% 12% 179
4 PALEOCENE authKW 296772 5% 20% 96
5 EOCENE OLIGOCENE TRANSITION authKW 247847 1% 78% 21
6 PALEONTOLOGY WoSSC 225716 45% 2% 910
7 PALEOCEANOGRAPHY journal 202389 8% 8% 166
8 PALAEOBOT PALYNOL address 191054 4% 17% 73
9 HYPERTHERMAL authKW 188305 1% 56% 22
10 PALEOCENE EOCENE BOUNDARY authKW 182721 1% 71% 17

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 Paleontology 225716 45% 2% 910
2 Geology 52786 23% 1% 456
3 Geosciences, Multidisciplinary 35150 48% 0% 974
4 Geography, Physical 9902 12% 0% 241
5 Oceanography 5759 12% 0% 248
6 Geochemistry & Geophysics 1732 9% 0% 176
7 Meteorology & Atmospheric Sciences 240 4% 0% 76
8 Evolutionary Biology 24 1% 0% 23
9 Multidisciplinary Sciences 23 1% 0% 17
10 Biodiversity Conservation 14 1% 0% 13

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 PALAEOBOT PALYNOL 191054 4% 17% 73
2 CNR PADOVA 107908 0% 89% 8
3 US IMPLEMENTING ORG 48558 0% 80% 4
4 STUDY GLOBAL CHANGE 47264 0% 35% 9
5 ANGEW SEDIMENTGEOL 45525 0% 100% 3
6 DIPARTIMENTO SCI TERRA POLO SCI TECNOL 45525 0% 100% 3
7 INTEGRATED OCEAN DRILLING PROGRAM 43342 0% 29% 10
8 GEOL FONDAMENTALE PL 42016 0% 46% 6
9 PALEOENVIRONM DYNAM GRP 39919 0% 26% 10
10 GEOL SUR 35399 0% 33% 7

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 PALEOCEANOGRAPHY 202389 8% 8% 166
2 GFF 97414 4% 9% 73
3 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 79259 10% 3% 200
4 MARINE MICROPALEONTOLOGY 72491 4% 6% 83
5 MICROPALEONTOLOGY 70035 3% 7% 64
6 NEWSLETTERS ON STRATIGRAPHY 54305 2% 9% 38
7 CLIMATE OF THE PAST 40893 3% 5% 52
8 INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 40148 3% 5% 58
9 STRATIGRAPHY 37141 1% 12% 21
10 GEOLOGY 34211 7% 2% 149

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 PETM 914062 4% 77% 78 Search PETM Search PETM
2 PALEOCENE EOCENE THERMAL MAXIMUM 718968 3% 82% 58 Search PALEOCENE+EOCENE+THERMAL+MAXIMUM Search PALEOCENE+EOCENE+THERMAL+MAXIMUM
3 EOCENE 327767 9% 12% 179 Search EOCENE Search EOCENE
4 PALEOCENE 296772 5% 20% 96 Search PALEOCENE Search PALEOCENE
5 EOCENE OLIGOCENE TRANSITION 247847 1% 78% 21 Search EOCENE+OLIGOCENE+TRANSITION Search EOCENE+OLIGOCENE+TRANSITION
6 HYPERTHERMAL 188305 1% 56% 22 Search HYPERTHERMAL Search HYPERTHERMAL
7 PALEOCENE EOCENE BOUNDARY 182721 1% 71% 17 Search PALEOCENE+EOCENE+BOUNDARY Search PALEOCENE+EOCENE+BOUNDARY
8 CALCAREOUS NANNOFOSSILS 176679 4% 16% 74 Search CALCAREOUS+NANNOFOSSILS Search CALCAREOUS+NANNOFOSSILS
9 PALEOGENE 128114 3% 13% 65 Search PALEOGENE Search PALEOGENE
10 MIDDLE EOCENE CLIMATIC OPTIMUM 121399 0% 100% 8 Search MIDDLE+EOCENE+CLIMATIC+OPTIMUM Search MIDDLE+EOCENE+CLIMATIC+OPTIMUM

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 MCINERNEY, FA , WING, SL , (2011) THE PALEOCENE-EOCENE THERMAL MAXIMUM: A PERTURBATION OF CARBON CYCLE, CLIMATE, AND BIOSPHERE WITH IMPLICATIONS FOR THE FUTURE.ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, VOL 39. VOL. 39. ISSUE . P. 489 -516 106 79% 166
2 GALAZZO, FB , THOMAS, E , GIUSBERTI, L , (2016) VARIABILITY IN CLIMATE AND PRODUCTIVITY DURING THE PALEOCENE-EOCENE THERMAL MAXIMUM IN THE WESTERN TETHYS (FORADA SECTION).CLIMATE OF THE PAST. VOL. 12. ISSUE 2. P. 213 -240 109 65% 5
3 LUCIANI, V , DICKENS, GR , BACKMAN, J , FORNACIARI, E , GIUSBERTI, L , AGNINI, C , D'ONOFRIO, R , (2016) MAJOR PERTURBATIONS IN THE GLOBAL CARBON CYCLE AND PHOTOSYMBIONT-BEARING PLANKTIC FORAMINIFERA DURING THE EARLY EOCENE.CLIMATE OF THE PAST. VOL. 12. ISSUE 4. P. 981 -1007 108 75% 0
4 ZACHOS, J , PAGANI, M , SLOAN, L , THOMAS, E , BILLUPS, K , (2001) TRENDS, RHYTHMS, AND ABERRATIONS IN GLOBAL CLIMATE 65 MA TO PRESENT.SCIENCE. VOL. 292. ISSUE 5517. P. 686 -693 47 55% 3903
5 D'ONOFRIO, R , LUCIANI, V , FORNACIARI, E , GIUSBERTI, L , GALAZZO, FB , DALLANAVE, E , WESTERHOLD, T , SPROVIERI, M , TELCH, S , (2016) ENVIRONMENTAL PERTURBATIONS AT THE EARLY EOCENE ETM2, H2, AND I1 EVENTS AS INFERRED BY TETHYAN CALCAREOUS PLANKTON (TERCHE SECTION, NORTHEASTERN ITALY).PALEOCEANOGRAPHY. VOL. 31. ISSUE 9. P. 1225 -1247 84 76% 0
6 SCHEIBNER, C , SPEIJER, RP , (2008) LATE PALEOCENE-EARLY EOCENE TETHYAN CARBONATE PLATFORM EVOLUTION - A RESPONSE TO LONG- AND SHORT-TERM PALEOCLIMATIC CHANGE.EARTH-SCIENCE REVIEWS. VOL. 90. ISSUE 3-4. P. 71 -102 113 59% 66
7 HONTZSCH, S , SCHEIBNER, C , GUASTI, E , KUSS, J , MARZOUK, AM , RASSER, MW , (2011) INCREASING RESTRICTION OF THE EGYPTIAN SHELF DURING THE EARLY EOCENE? - NEW INSIGHTS FROM A SOUTHERN TETHYAN CARBONATE PLATFORM.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 302. ISSUE 3-4. P. 349 -366 90 75% 10
8 SIJP, WP , VON DER HEYDT, AS , DIJKSTRA, HA , FLOGEL, S , DOUGLAS, PMJ , BIJL, PK , (2014) THE ROLE OF OCEAN GATEWAYS ON COOLING CLIMATE ON LONG TIME SCALES.GLOBAL AND PLANETARY CHANGE. VOL. 119. ISSUE . P. 1 -22 97 60% 9
9 D'HAENENS, S , BORNEMANN, A , CLAEYS, P , ROHL, U , STEURBAUT, E , SPEIJER, RP , (2014) A TRANSIENT DEEP-SEA CIRCULATION SWITCH DURING EOCENE THERMAL MAXIMUM 2.PALEOCEANOGRAPHY. VOL. 29. ISSUE 5. P. 370 -388 79 77% 4
10 AUBRY, MP , OUDA, K , DUPUIS, C , BERGGREN, WA , VAN COUVERING, JA , (2007) THE GLOBAL STANDARD STRATOTYPE-SECTION AND POINT (GSSP) FOR THE BASE OF THE EOCENE SERIES IN THE DABABIYA SECTION (EGYPT).EPISODES. VOL. 30. ISSUE 4. P. 271-286 65 94% 83

Classes with closest relation at Level 1


Rank Class id link
1 8580 INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT//PLIOCENE//EASTERN GEOL PALEOCLIMATE SCI
2 35801 GREEN RIVER FORMATION//FISH COPROLITES//ABT MESSELFOR
3 4040 K T BOUNDARY//CRETACEOUS TERTIARY BOUNDARY//MAASTRICHTIAN
4 11872 LARGER FORAMINIFERA//LARGER BENTHIC FORAMINIFERA//NUMMULITES
5 34675 ORTHOZONE//DINOCYSTS//WEST SIBERIAN PLATE
6 26681 ALKUN FORMATION//CAUCASIAN REGIONAL STAGE//BIOCHRONOLOGIC UNIT
7 23370 CHAETOCEROS//SILICOFLAGELLATES//GEOL PALAEOGEOG UNIT
8 35224 FABIANIA//KURNELL//LAST GLACIAL MAXIMUM STRANDLINE
9 22108 COOL WATER CARBONATES//TEMPERATE CARBONATES//HETEROZOAN
10 8808 MESSINIAN//MESSINIAN SALINITY CRISIS//CENTRAL PARATETHYS

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