Paleocene–Eocene Thermal Maximum
GPTKB entity
Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
climate event
|
| gptkbp:affects |
marine ecosystems
terrestrial ecosystems |
| gptkbp:alsoKnownAs |
gptkb:PETM
|
| gptkbp:associatedWith |
ocean acidification
extinction of deep-sea benthic foraminifera mammalian dispersal |
| gptkbp:cause |
massive release of greenhouse gases
|
| gptkbp:characterizedBy |
massive carbon release
rapid global warming |
| gptkbp:duration |
about 200,000 years
|
| gptkbp:evidence |
isotope analysis
marine sediment cores |
| gptkbp:followedBy |
gptkb:Eocene_epoch
|
| https://www.w3.org/2000/01/rdf-schema#label |
Paleocene–Eocene Thermal Maximum
|
| gptkbp:notableFor |
changes in ocean circulation
major faunal migrations rapid biotic turnover |
| gptkbp:occurredIn |
gptkb:Paleocene–Eocene_transition
|
| gptkbp:possibleSourceOfCarbon |
gptkb:volcanic_activity
methane hydrates peat and permafrost |
| gptkbp:precededBy |
gptkb:Paleocene_epoch
|
| gptkbp:startDate |
about 56 million years ago
|
| gptkbp:studiedBy |
paleoclimatologists
|
| gptkbp:temperatureIncrease |
5–8°C
|
| gptkbp:bfsParent |
gptkb:Eocene_epoch
|
| gptkbp:bfsLayer |
5
|