Bariis-baaxad weyn oo ka soo baxday Gacanka Petermann ayaa ku dhuushay Joe Island kadibna sii wadda safarkeda
Bariis-baaxad weyn oo ka soo baxday Gacanka Petermann ee Greenland ayaa ku dhuushay bariis-baaxad yar oo la yiraahdo Joe Island, iyadoo aan waxyeello ku yeelanin, halkaas oo ay ku jirto inay tahay bariis-baaxadda ugu weyn ee ka soo baxday gacanka Arctic tan iyo 2020.
Bariis-baaxadda weyn ee ka soo baxday Gacanka Petermann
Bariis-baaxad weyn oo ka soo baxday Gacanka Petermann ee Greenland ayaa la arkay 4-ka August 2026, iyadoo ay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010. Bariis-baaxaddan ayaa waxay ku jirtaa 76 km², taas oo ka weyn St. Thomas ee U.S. Virgin Islands.
Adam Garbo, macallin ka tirsan Jaamacadda Ottawa, ayaa arkay bariis-baaxaddan iyadoo ay ku jirto inay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010. Bariis-baaxaddan ayaa waxay ku jirtaa 76 km², taas oo ka weyn St. Thomas ee U.S. Virgin Islands.
Dhuumashada Joe Island iyo xasiloonida bariis-baaxadda
Bariis-baaxaddu waxay ku dhuushay Joe Island, bariis-baaxad yar oo ku taal dhinaca badda Petermann Fjord, iyadoo aan waxyeello ku yeelanin. Tani waxay muujisay in bariis-baaxaddu ay tahay mid xasiloon, halkaas oo ay ku jirto inay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010.
Bariis-baaxaddu waxay ku dhuushay Joe Island, bariis-baaxad yar oo ku taal dhinaca badda Petermann Fjord, iyadoo aan waxyeello ku yeelanin. Tani waxay muujisay in bariis-baaxaddu ay tahay mid xasiloon, halkaas oo ay ku jirto inay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010.
Safarka bariis-baaxadda iyo khataraha ay ku leedahay
Bariis-baaxaddu waxay sii waddaa safarkeda badda, iyadoo ay ku jirto inay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010. Tani waxay muujisay in bariis-baaxaddu ay tahay mid xasiloon, halkaas oo ay ku jirto inay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010.
Bariis-baaxaddu waxay ku dhuushay Joe Island, bariis-baaxad yar oo ku taal dhinaca badda Petermann Fjord, iyadoo aan waxyeello ku yeelanin. Tani waxay muujisay in bariis-baaxaddu ay tahay mid xasiloon, halkaas oo ay ku jirto inay tahay mid ka weyn bariis-baaxaddii 2012, 2008 iyo 2010.
A record-breaking ice island measuring over 76 square kilometers broke from Greenland's Petermann Glacier in August 2026, becoming the largest calving event by any Arctic glacier since 2020. The berg drifted southwest through Nares Strait and collided with Joe Island without further fragmentation, defying expectations of immediate breakup.
A Historic Calving Event
On August 4, 2026, doctoral student Adam Garbo of the University of Ottawa spotted the calving event using imagery from the European Space Agency's Sentinel-1 mission. The resulting ice island was roughly the size of St. Thomas in the U.S. Virgin Islands, measuring just over 76 square kilometers at the time of its separation from the glacier.
This event surpassed the previous largest calving from Petermann Glacier, which occurred in 2012 and produced an ice island of 130 square kilometers. Earlier major calvings in 2008 and 2010 yielded ice islands of 31 and over 250 square kilometers respectively, making the 2026 event the most significant since 2020.
Unexpected Survival After Collision
The iceberg, estimated to be less than 150 meters thick, drifted an average of 3 kilometers per day before ramming into Joe Island, a small rocky outcrop at the mouth of Petermann Fjord. Despite the impact, the berg survived without further fragmentation, surprising researchers who had closely monitored its progress.
Garbo noted that the calving followed an unexpected fracture, producing a smaller ice island than originally anticipated. Two large rifts remained as of late August, expected to eventually produce new ice islands of roughly 94 and 84 square kilometers, though their timing remains uncertain.
Ongoing Drift and Potential Hazards
The ice island is continuing its southwest journey through Nares Strait, where it may eventually become grounded off the coasts of Coburg and Baffin islands. Thinner and more fragile than bergs from other glaciers, Petermann ice islands are particularly susceptible to further fracturing as tides, winds, and currents weaken the ice.
Ice islands and their fragments have been known to travel considerable distances, posing potential hazards to marine activities and infrastructure while also distributing freshwater through the ocean as they melt. Scientists continue to track the berg's movement and assess its long-term impact on the region.
Ilaha iyo xuquuqda sawirka
Sawir: NASA News Releases Xigasho
