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Greenland Ice Melt

All articles tagged with #greenland ice melt

earth-science12 days ago•17 min saved

Atlantic Conveyor at Risk: New Analysis Suggests AMOC Collapse Could Be Locked In by 2100

A climate-model study, using Greenland ice melt scenarios, suggests the Atlantic Meridional Overturning Circulation (AMOC) may already be locked in toward collapse, with a 10% chance under peak 2025 emissions, rising to 23% in harsher melt scenarios—and potentially 100% by 2100 in the worst case. A collapse would trigger dramatic regional impacts, including sea-level rise along the U.S. East Coast, cooler temperatures for parts of Europe, and more extreme weather. The work is a preprint and debated, but it underscores the urgency of rapid emissions reductions to avert severe climate outcomes.

via Gizmodo|

#amoc #atlantic-ocean #climate-change

science11 months ago•4 min saved

NASA Supercomputers Study Life Near Greenland's Active Glacier

NASA-supported research using supercomputers and advanced ocean models has shown that melting glaciers in Greenland release nutrients that significantly boost phytoplankton growth, impacting the Arctic ecosystem and carbon cycle, with potential implications for marine life and climate change.

via NASA (.gov)|

#climate-change #greenland-ice-melt #nasa-supercomputers

environment1 year ago•5 min saved

Rapid Weakening of Atlantic Currents Threatens Global Water Systems

Recent research published in Nature Geoscience highlights the alarming slowdown of the Atlantic Meridional Overturning Circulation (AMOC), a crucial component of Earth's global ocean conveyor belt. This slowdown, attributed to global warming and increased meltwater from the Greenland ice sheet, threatens to disrupt climate patterns, leading to harsher winters in Europe, altered rainfall patterns, and faster warming in the southern hemisphere. The study warns that the AMOC could weaken by 30% by 2040, urging immediate action to reduce emissions and mitigate further climate disruption.

via Earth.com|

#amoc #climate-change #environment

environment1 year ago•3 min saved

Atlantic Ocean's Vital Current Weakening Faster Than Expected

A new study reveals that the Atlantic Meridional Overturning Circulation (AMOC), a crucial ocean current regulating global climate, is weakening faster than expected due to freshwater melt from Greenland's ice sheet. The study, published in Nature Geoscience, suggests that if global warming exceeds 2 degrees Celsius, the AMOC could weaken by 33% by 2040. This weakening could lead to severe climate disruptions, although the scientific community remains divided on the issue. The findings highlight the urgent need for action to address climate change.

via Livescience.com|

#amoc #climate-change #environment

environment2 years ago•5 min saved

"Atlantic Ocean Circulation Collapse: Iceberg History Offers Clues"

Recent research suggests that while Greenland's ice melt is significant, it is unlikely to cause the collapse of the Atlantic Ocean circulation system in the coming decades. Historical evidence indicates that the current system's shutdown requires prolonged and massive iceberg release, which is not expected to occur soon. However, the Atlantic Meridional Overturning Circulation (AMOC) is projected to decline, and climate change mitigation remains crucial to prevent future risks.

via IFLScience|

#atlantic-ocean-circulation #climate-change #environment

politics2 years ago•5 min saved

"US House Impeaches Homeland Security Secretary Mayorkas: What's Next?"

The US House of Representatives impeached Homeland Security Secretary Alejandro Mayorkas over conditions at the southern border, marking the first such punishment in over 150 years. Meanwhile, Israeli and Hamas delegations head to Cairo for talks on a Qatari-brokered plan to halt fighting in Gaza. In other news, a Democrat wins a New York congressional seat, an elderly man dies from Alaskapox, the EU proposes sanctions on Chinese companies aiding Russia, and Ukraine claims to have sunk a Russian landing ship. Additionally, scientists discover a potential jab to prevent rheumatoid arthritis, and 1.6% of Greenland's ice cover has melted, risking increased greenhouse gas emissions and rising sea levels.

via The Guardian US|

#greenland-ice-melt #homeland-security #impeachment