Cordilleran Ice Sheet

E311874

The Cordilleran Ice Sheet was a massive Pleistocene ice sheet that covered much of western North America, including present-day British Columbia, Yukon, and parts of the northwestern United States.

All labels observed (4)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf Pleistocene ice sheet ⓘ
continental ice sheet ⓘ
glacial feature ⓘ
beganDeglaciation late Pleistocene ⓘ
causedProcess isostatic depression of the crust beneath western Canada ⓘ
coexistedWith Laurentide Ice Sheet ⓘ
contributedTo global sea-level lowering during Pleistocene glaciations ⓘ
coveredRegion Pacific Northwest (parts) ⓘ
linked to: Pacific Northwest

present-day Alaska (parts) ⓘ
present-day British Columbia ⓘ
present-day Idaho (parts) ⓘ
present-day Montana (parts) ⓘ
present-day Washington State (parts) ⓘ
present-day Yukon ⓘ
western North America ⓘ
evidenceFrom glacial striations on bedrock in western North America ⓘ
raised shorelines and isostatic rebound features ⓘ
till deposits in British Columbia and Yukon ⓘ
followedBy postglacial isostatic rebound in deglaciated areas ⓘ
formedLandform drumlins in parts of British Columbia ⓘ
eskers in interior British Columbia and Yukon ⓘ
fjords of British Columbia coast ⓘ
glacial valleys in the Coast Mountains ⓘ
glacially dammed lakes ⓘ
kettles and kettle lakes in deglaciated areas ⓘ
moraines in western Canada ⓘ
outwash plains in western North America ⓘ
geologicTimePeriod Pleistocene epoch ⓘ
hasAlternativeName Cordilleran Ice Complex (in some literature) ⓘ
influencedClimate regional cooling in western North America during glacial maxima ⓘ
influencedHydrology Columbia River system ⓘ
Fraser River system ⓘ
linked to: Fraser River basin

Yukon River headwaters ⓘ
linked to: Yukon River
largelyDisappearedBy early Holocene ⓘ
lastGlacialMaximumApproximate around 26,000 to 19,000 years ago ⓘ
locatedOnContinent North America ⓘ
majorLobe Fraser Glaciation ice lobes ⓘ
Okanogan Lobe ⓘ
Puget Lobe ⓘ
maximumExtent from the Pacific coast to the Rocky Mountains in some sectors ⓘ
maximumThickness over 3000 meters in some areas ⓘ
namedAfter Cordillera (North American Cordillera) ⓘ
relatedTo Cordilleran Ice Sheet of previous glacial cycles (earlier Pleistocene) ⓘ
separatedFrom Laurentide Ice Sheet by ice-free corridor at some times ⓘ
southernLimitApproximate northwestern United States ⓘ
studiedInDiscipline Quaternary science ⓘ
glacial geology ⓘ
paleoclimatology ⓘ
westernMargin Pacific Ocean coastline (varied through time) ⓘ

How these facts were elicited

Referenced by (16)

Full triples — surface form annotated when it differs from this entity's canonical label.

Wisconsin glaciation → lastMajorAdvanceOf → Cordilleran Ice Sheet ⓘ
Missoula floods → associatedWith → Cordilleran Ice Sheet ⓘ
Channeled Scablands → associatedWith → Cordilleran Ice Sheet ⓘ
Last Glacial Maximum → hasMajorIceSheet → Cordilleran Ice Sheet ⓘ
Northern Hemisphere ice sheets → included → Cordilleran Ice Sheet ⓘ
Cordilleran Ice Sheet → relatedTo → Cordilleran Ice Sheet of previous glacial cycles (earlier Pleistocene) ⓘ
linked to: Cordilleran Ice Sheet
Cordilleran Ice Sheet → hasAlternativeName → Cordilleran Ice Complex (in some literature) ⓘ
linked to: Cordilleran Ice Sheet
Lake Missoula basin → formedBy → Cordilleran Ice Sheet ⓘ
Lake Missoula basin → relatedTo → Cordilleran Ice Sheet ⓘ
Glacial Lake Columbia → formedBy → Cordilleran Ice Sheet ⓘ
Glacial Lake Columbia → associatedWith → Cordilleran Ice Sheet ⓘ
Kluane Icefield → partOf → North American Cordillera glaciation ⓘ
linked to: Cordilleran Ice Sheet
Last Glacial Period → majorIceSheet → Cordilleran Ice Sheet ⓘ
ice-free corridor hypothesis → geographicContext → Cordilleran Ice Sheet ⓘ
Okanogan Lobe → partOf → Cordilleran Ice Sheet ⓘ
Puget Lobe → partOf → Cordilleran Ice Sheet ⓘ