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gptkbp:instanceOf
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climatic event
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gptkbp:alsoKnownAs
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gptkb:Younger_Dryas
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gptkbp:cause
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gptkb:meltwater_pulse_from_Lake_Agassiz
disruption of North Atlantic thermohaline circulation
extraterrestrial impact hypothesis
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gptkbp:characterizedBy
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sudden return to glacial conditions
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gptkbp:duration
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about 1,200 years
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gptkbp:endDate
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approximately 11,700 years ago
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gptkbp:evidence
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gptkb:Greenland_ice_cores
European pollen records
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gptkbp:followedBy
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gptkb:Holocene_epoch
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https://www.w3.org/2000/01/rdf-schema#label
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Younger Dryas event
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gptkbp:impact
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gptkb:Neolithic_Revolution
megafauna extinction
human populations
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gptkbp:location
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gptkb:Northern_Hemisphere
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gptkbp:namedAfter
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gptkb:Dryas_octopetala
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gptkbp:precededBy
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gptkb:Bølling-Allerød_interstadial
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gptkbp:relatedTo
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gptkb:Holocene_epoch
gptkb:Pleistocene_epoch
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gptkbp:significance
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major abrupt climate change at end of Pleistocene
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gptkbp:startDate
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approximately 12,900 years ago
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gptkbp:studiedBy
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archaeologists
geologists
paleoclimatologists
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gptkbp:temperature
|
significant cooling
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gptkbp:bfsParent
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gptkb:post-glacial_Lake_Agassiz
gptkb:Greenland_ice_cores
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gptkbp:bfsLayer
|
7
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