East Antarctic Ice Sheet
E654826
The East Antarctic Ice Sheet is the massive, ancient ice mass covering most of East Antarctica, containing the majority of the continent’s ice and a significant portion of the world’s freshwater.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | ice sheet ⓘ |
| age | largely more than 30 million years ⓘ |
| bedTopography | largely above sea level but with some subglacial basins below sea level ⓘ |
| beganForming | Eocene–Oligocene transition NERFINISHED ⓘ |
| borderedBy | Transantarctic Mountains NERFINISHED ⓘ |
| climate | extremely cold and dry ⓘ |
| contains |
majority of Antarctic ice volume
ⓘ
significant portion of global freshwater ⓘ |
| containsFeature |
Aurora Subglacial Basin
NERFINISHED
ⓘ
Dome A NERFINISHED ⓘ Dome C NERFINISHED ⓘ Gamburtsev Subglacial Mountains NERFINISHED ⓘ Recovery Subglacial Basin NERFINISHED ⓘ Vostok Subglacial Lake NERFINISHED ⓘ Wilkes Subglacial Basin NERFINISHED ⓘ |
| continent | Antarctica ⓘ |
| contributesTo | global sea-level change ⓘ |
| covers | most of East Antarctica ⓘ |
| drainageThrough |
ice streams
ⓘ
outlet glaciers ⓘ |
| drainsTo | Southern Ocean NERFINISHED ⓘ |
| governedBy | Antarctic Treaty System ⓘ |
| hasApproximateArea | about 10 million square kilometers ⓘ |
| hasApproximateAverageThickness | about 2,000 meters ⓘ |
| hasApproximateMaximumThickness | over 4,000 meters ⓘ |
| hasApproximateVolume | about 26 million cubic kilometers ⓘ |
| hasHighestPoint | Dome A NERFINISHED ⓘ |
| hasResearchStationsOn |
Concordia Station
NERFINISHED
ⓘ
Vostok Station NERFINISHED ⓘ |
| highestPointElevation | over 4,000 meters above sea level ⓘ |
| influences | Southern Hemisphere climate system ⓘ |
| locatedIn | East Antarctica NERFINISHED ⓘ |
| monitoredBy |
gravimetry missions such as GRACE
ⓘ
ice-penetrating radar surveys ⓘ satellite altimetry ⓘ |
| partOf | Antarctic Ice Sheet NERFINISHED ⓘ |
| potentialSeaLevelRiseIfMelted | about 50–53 meters ⓘ |
| reflectivity | high albedo ⓘ |
| restOn | East Antarctic craton NERFINISHED ⓘ |
| separatedFrom | West Antarctic Ice Sheet NERFINISHED ⓘ |
| stability | relatively stable compared to West Antarctic Ice Sheet ⓘ |
| studiedBy | glaciologists ⓘ |
| surfaceElevation | mostly above sea level ⓘ |
| surfaceFeatures |
blue-ice areas
ⓘ
sastrugi ⓘ |
| surfaceMassBalance | generally positive or near balance in interior ⓘ |
| terminatesIn |
grounded ice margins
ⓘ
ice shelves ⓘ |
| vulnerableRegions | marine-based sectors such as Wilkes Subglacial Basin margins ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.