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Climate Tipping Point

All articles tagged with #climate tipping point

science2 months ago•81 min saved

Cold Atlantic Patch Signals Gulf Stream Slowdown and East Coast Risks

New study links the Atlantic's cooling 'cold blob' south of Greenland to a weakening Atlantic Meridional Overturning Circulation (AMOC), implying reduced heat transport and a sign of a climate tipping point. If AMOC collapses, Northern Hemisphere temperatures could drop dramatically (10–15°C in parts of the north), with heat and drought disruptions across Europe and rising sea levels along the US East Coast. Yet the exact rate of AMOC weakening is uncertain, and some researchers attribute the blob to surface heat loss rather than interior transport. The findings come as policy moves to remove deep-sea monitoring instruments could hamper tracking of this critical system.

via Live Science|

#amoc #climate-tipping-point #gulf-stream

environment10 months ago•5 min saved

Coral Reefs and Earth’s Climate Tipping Point: A Critical Milestone

Coral reefs are the first environmental system on Earth to pass a climate 'tipping point,' with widespread bleaching and dieback due to rising ocean temperatures, signaling an urgent need for global decarbonization to prevent irreversible ecological and economic damage.

via CBS News|

#bleaching #climate-tipping-point #coral-reefs

climate-science2 years ago•3 min saved

"Warning: Impending Catastrophic Tipping Point for Atlantic Ocean Current"

Scientists have modeled a potential climate tipping point involving the collapse of the Atlantic Meridional Overturning Circulation (AMOC), which could lead to severe global climate repercussions, particularly impacting Europe. The collapse could result in a deep freeze in parts of Europe, with temperatures plunging by up to 30C, while the southern hemisphere would experience rising temperatures and changes in rainfall patterns. The study suggests that the AMOC tipping point could be closer than previously thought, but more research is needed to determine the likelihood and timeframe of such an event.

via Euronews|

#atlantic-ocean-circulation #climate-modeling #climate-science

climate-change3 years ago•5 min saved

"Sun Dimming: A Solution to Prevent Ice Melt?"

Researchers from the University of Bern have investigated the possibility of preventing the melting of the West Antarctic ice sheet by artificially dimming the sun through solar radiation management (SRM). The study found that while SRM could delay the collapse of the ice sheet, it cannot prevent it entirely. The most effective way to prevent long-term collapse is through rapid decarbonization. The study also highlights the high risks and unforeseeable side effects of geoengineering, including potential disruptions to the monsoon regime and ocean acidification.

via Phys.org|

#climate-change #climate-tipping-point #decarbonization

climate-change3 years ago•4 min saved

Impending Collapse: Atlantic Ocean Currents Threaten Global Consequences

A new study suggests that the Gulf Stream system, known as the Atlantic Meridional Overturning Circulation (Amoc), could collapse as early as 2025 due to global heating and the influx of fresh water from melting ice caps. The collapse of Amoc would have catastrophic climate impacts, including disrupting rainfall patterns, increasing storms, dropping temperatures in Europe, and raising sea levels on the eastern coast of North America. While some scientists caution that uncertainties in the data make it difficult to predict the exact timing of the tipping point, they agree that the potential collapse of Amoc is extremely concerning and underscores the urgent need for rapid cuts in carbon emissions.

via The Guardian|

#atlantic-meridional-overturning-circulation-amoc #catastrophic-climate-impacts #climate-change