ice-free corridor hypothesis
E782793
The ice-free corridor hypothesis proposes that early humans migrated from Beringia into the Americas through a deglaciated passage between the Laurentide and Cordilleran ice sheets during the late Pleistocene.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
migration hypothesis
ⓘ
scientific hypothesis ⓘ |
| associatedWith |
Beringian standstill hypothesis
ⓘ
Clovis-first model NERFINISHED ⓘ Paleoindian dispersal ⓘ deglaciation chronology ⓘ glacial isostatic rebound ⓘ peopling of the Americas ⓘ |
| challengedBy |
Pacific coastal migration hypothesis
ⓘ
kelp highway hypothesis ⓘ pre-Clovis archaeological evidence ⓘ |
| debatedIssue |
exact timing of corridor deglaciation
ⓘ
habitability of the corridor when first opened ⓘ role as primary versus secondary migration route ⓘ |
| evidenceType |
faunal remains
ⓘ
glacial geomorphology ⓘ lake sediment cores ⓘ paleobotanical data ⓘ paleogenetics ⓘ radiocarbon dating ⓘ |
| field |
American archaeology
ⓘ
Pleistocene geology ⓘ Quaternary archaeology NERFINISHED ⓘ paleoanthropology ⓘ |
| geographicContext |
Alberta
NERFINISHED
ⓘ
British Columbia NERFINISHED ⓘ Cordilleran Ice Sheet NERFINISHED ⓘ Laurentide Ice Sheet NERFINISHED ⓘ Rocky Mountain foothills NERFINISHED ⓘ Yukon NERFINISHED ⓘ western Canada NERFINISHED ⓘ |
| influenced |
archaeological survey strategies in western Canada
ⓘ
models of Paleoindian dispersal across North America ⓘ |
| influencedBy | mid-20th-century Clovis-first consensus ⓘ |
| proposedAs | primary route for initial human entry into the Americas ⓘ |
| proposes |
a deglaciated passage existed between the Laurentide and Cordilleran ice sheets
ⓘ
early humans migrated from Beringia into the Americas through an interior route ⓘ |
| relatedConcept |
glacial corridor
ⓘ
ice-free refugia ⓘ interior continental migration route ⓘ |
| requires |
biologically viable corridor with sufficient flora and fauna
ⓘ
chronological overlap between corridor opening and human presence south of ice sheets ⓘ |
| routeFrom | Beringia NERFINISHED ⓘ |
| routeTo | interior of North America ⓘ |
| status |
contested
ⓘ
partially supported as secondary migration route ⓘ |
| temporalContext |
Last Glacial Maximum
NERFINISHED
ⓘ
late Wisconsin glaciation ⓘ |
| timePeriod | late Pleistocene ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.