Paleocene-Eocene Thermal Maximum
GPTKB entity
Statements (45)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
climate event |
| gptkbp:affects |
marine life
global climate terrestrial life |
| gptkbp:alsoKnownAs |
gptkb:PETM
|
| gptkbp:carbonIsotopeExcursion |
negative δ13C shift
|
| gptkbp:carbonReleaseEstimate |
2000–7000 gigatons
|
| gptkbp:cause |
volcanism
methane hydrate release peat and coal combustion |
| gptkbp:characterizedBy |
ocean acidification
extinction of deep-sea benthic foraminifera mammalian dispersal rapid global warming massive carbon injection |
| gptkbp:duration |
about 200,000 years
|
| gptkbp:endDate |
about 55.5 million years ago
|
| gptkbp:evidence |
marine sediment cores
terrestrial sediment cores |
| gptkbp:followedBy |
gptkb:Eocene_Epoch
|
| https://www.w3.org/2000/01/rdf-schema#label |
Paleocene-Eocene Thermal Maximum
|
| gptkbp:impact |
evolution of mammals
soil weathering hydrological cycle plant migration |
| gptkbp:location |
global
|
| gptkbp:notableFor |
analog for modern climate change
dispersal of artiodactyls dispersal of perissodactyls dispersal of primates major biotic turnover |
| gptkbp:oceanDeoxygenation |
yes
|
| gptkbp:partOf |
gptkb:Paleogene_Period
|
| gptkbp:precededBy |
gptkb:Paleocene_Epoch
|
| gptkbp:referencedIn |
gptkb:IPCC_reports
scientific literature |
| gptkbp:relatedTo |
gptkb:Eocene_Thermal_Maximum_2
LPTM (Latest Paleocene Thermal Maximum) |
| gptkbp:seaLevelChange |
sea level rise
|
| gptkbp:startDate |
about 56 million years ago
|
| gptkbp:studiedBy |
paleoclimatologists
|
| gptkbp:temperatureIncrease |
5–8°C
|
| gptkbp:bfsParent |
gptkb:Paleocene-Eocene
|
| gptkbp:bfsLayer |
7
|