Paleocene–Eocene Thermal Maximum

URI: https://gptkb.org/entity/Paleocene–Eocene_Thermal_Maximum
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instanceOf gptkb: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
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:Paleocene_Epoch
gptkbp:bfsLayer 6
https://www.w3.org/2000/01/rdf-schema#label Paleocene–Eocene Thermal Maximum