Lyell Glacier
E48619
Lyell Glacier is a rapidly retreating mountain glacier in Yosemite National Park, historically the largest glacier in the park and situated on the slopes of Mount Lyell in the Sierra Nevada of California.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
glacier
→
mountain glacier → |
| accessedFrom |
John Muir Trail
→
Lyell Canyon → |
| climateSensitivity |
high
→
|
| comparedWith |
Maclure Glacier for retreat rates
→
|
| country |
United States
→
|
| drainsInto |
Lyell Fork of the Tuolumne River
→
|
| elevation |
approximately 11,800–12,800 feet above sea level
→
approximately 3,600–3,900 meters above sea level → |
| evidenceFor |
climate change in the Sierra Nevada
→
|
| firstAscentRegion |
Mount Lyell climbing route
→
|
| geologicalPeriodOfFormation |
Late Holocene
→
|
| glacierType |
cirque glacier
→
|
| hasChanged |
lost most of its surface area since the late 19th century
→
retreated upslope from former terminal moraine → thinned substantially since early 20th century → |
| hasFeature |
bergschrund at its head
→
crevassed ice surface → icefall sections → |
| hasPhotographicRecordSince |
late 1800s
→
|
| historicalStatus |
largest glacier in Yosemite National Park
→
|
| hydrologicalRole |
seasonal meltwater source
→
|
| iceVolumeTrend |
decreasing
→
|
| locatedIn |
Sierra Nevada
→
Tuolumne County, California NERFINISHED → Yosemite National Park → |
| locatedOn |
Mount Lyell
→
|
| managementAuthority |
U.S. National Park Service
→
|
| monitoredBy |
National Park Service
→
glaciologists → |
| namedAfter |
Charles Lyell
→
|
| near |
Maclure Glacier
→
|
| notableFor |
being Yosemite’s historically largest glacier
→
rapid 20th and 21st century retreat → |
| orientation |
northeast-facing
→
|
| parkUnit |
Yosemite Wilderness
→
|
| partOf |
Lyell Fork of the Tuolumne River watershed
→
|
| protectedAreaStatus |
within a U.S. national park
→
|
| region |
central Sierra Nevada
→
|
| state |
California
→
|
| status |
disappearing glacier
→
rapidly retreating → shrinking → |
| surfaceAreaTrend |
decreasing
→
|
| usedFor |
mountaineering access to Mount Lyell
→
scientific study of glacier retreat → |
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
Mount Lyell
→
|
hasGlacier |