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Greenland Melted Recently, Says Study That Raises Future Sea Level Threat

Greenland Melted Recently, Says Study That Raises Future Sea Level Threat
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United statesPaul biermanJoseph macgregorTammy rittenourUniversity of vermontUtah state universityZion churchNorthwest greenlandCamp centuryDrew christUtah stateNorth pole

Greenland Melted Recently, Says Study That Raises Future Sea Level Threat

United statesTammy rittenourPaul biermanJoseph macgregorZion churchUtah state universityUniversity of vermontNorthwest greenlandCamp centuryDrew christUtah stateNorth pole

Greenland melted recently, says study that raises future sea level threat

A mile-thick ice sheet in Greenland vanished around 416,000 years ago during a period of moderate natural warming, driving global sea rise to levels that

United statesJoseph macgregorTammy rittenourPaul biermanUtah state universityUniversity of vermontNorthwest greenlandCamp centuryDrew christUtah stateNorth pole

Controversial impact crater under Greenland s ice is surprisingly ancient | Science

Controversial impact crater under Greenland s ice is surprisingly ancient | Science
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United statesNew jerseyJoseph macgregorSandra kamoAtlantic oceanBrandon johnsonSanta barbaraKurt kjJames kennettGavin kennyGoddard space flight centerPurdue universityUniversity of californiaUniversity of torontoNatural history museum of denmarkColumbia university

Airborne radar reveals groundwater beneath glacier

Airborne radar reveals groundwater beneath glacier Melting glaciers and polar ice sheets are among the dominant sources of sea-level rise, yet until now, the water beneath them has remained hidden from airborne ice-penetrating radar. With the detection of groundwater beneath Hiawatha Glacier in Greenland, researchers have opened the possibility that water can be identified under other glaciers from the air at a continental scale and help improve sea-level rise projections. The presence of water beneath ice sheets is a critical component currently missing from glacial melt scenarios that may greatly impact how quickly seas rise – for example, by enabling big chunks of ice to calve from glaciers vs. stay intact and slowly melt. The findings, published in

United statesGoddard space flight centerMarie curieJoseph macgregorThomas jordanDustin schroederJonathan bessetteGeophysical research lettersSchool of earthMassachusetts institute of technologyStanford woods institute for the environmentEngineering programEnergy environmental sciences stanford earthUniversity of bristolSummer undergraduate research in geoscienceHiawatha glacier