Wisconsin glaciation
E63649
The Wisconsin glaciation was the last major advance of continental ice sheets in North America during the Pleistocene, profoundly reshaping the continent’s landscapes and drainage systems.
Aliases (5)
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
Pleistocene glaciation
→
glaciation → |
| affectedRegion |
Canada
→
Northeastern United States → Great Plains →
surface form: "Northern Great Plains"
Rocky Mountains → Midwestern United States →
surface form: "Upper Midwestern United States"
|
| alsoKnownAs |
Wisconsin Stage
→
Wisconsin glaciation →
surface form: "Wisconsinan glaciation"
|
| causedEvent |
Missoula floods in the Pacific Northwest
→
isostatic depression of the crust in formerly glaciated areas → |
| chronostratigraphicUnit |
Wisconsin glaciation
→
surface form: "Wisconsinan Stage"
|
| continent | North America → |
| correlatesWith |
Würm glaciation
→
surface form: "Devensian glaciation"
Würm glaciation →
surface form: "Weichselian glaciation"
Würm glaciation → |
| createdFeature |
Lake Agassiz basin
→
Lake Missoula basin → basins of the modern Great Lakes (modification of preexisting basins) → |
| createdLandform |
drumlins in New York and New England
→
eskers in Canada and northern United States → glacial till plains → kettle lakes in glaciated regions → moraines in the upper Midwest → outwash plains → proglacial lake basins → |
| endApproximate | about 11,000 years ago → |
| evidenceType |
glacial striations
→
loess deposits → morainic ridges → radiocarbon-dated organic material in glacial sediments → |
| exposedFeature | Bering land bridge between Siberia and Alaska → |
| followedBy |
Holocene
→
surface form: "Holocene epoch"
Holocene interglacial → |
| geologicTimeScaleSeries |
Pleistocene epoch
→
surface form: "Pleistocene"
|
| geologicTimeScaleSystem |
Quaternary period
→
surface form: "Quaternary"
|
| influenced |
distribution of Pleistocene megafauna in North America
→
migration routes of humans into the Americas → |
| lastGlacialMaximumApproximate | about 21,000 years ago → |
| lastMajorAdvanceOf |
Cordilleran Ice Sheet
→
Greenland Ice Sheet (North American sector) → Laurentide Ice Sheet in North America →
surface form: "Laurentide Ice Sheet"
|
| maximumIceExtentReached | Last Glacial Maximum → |
| modified |
Mississippi River basin
→
surface form: "Mississippi River drainage"
Saint Lawrence River →
surface form: "St. Lawrence River drainage"
drainage systems of central North America → |
| namedAfter |
Wisconsin
→
surface form: "U.S. state of Wisconsin"
|
| nameProposedBy | geologists of the Wisconsin Geological and Natural History Survey → |
| partOf |
Pleistocene epoch
→
surface form: "Late Pleistocene"
|
| precededBy |
Wisconsin glaciation
→
surface form: "Sangamon interglacial"
|
| resultedIn | ongoing postglacial isostatic rebound → |
| seaLevelChangeAtMaximum | global sea level about 120 meters lower than present → |
| southernIceMarginApproximate |
Cape Cod
→
Long Island → Missouri River floodplain →
surface form: "Missouri River valley"
Nantucket → Ohio Valley region →
surface form: "Ohio River valley"
|
| startApproximate | about 75,000 years ago → |
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form: "Wisconsinan glaciation"
this entity surface form: "Wisconsinan Stage"
this entity surface form: "Weichselian glaciation"
this entity surface form: "Weichselian glaciation"
this entity surface form: "Sangamon interglacial"
this entity surface form: "Late Wisconsin glaciation"