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The Atlantic Ocean is headed for a tipping point − once melting glaciers shut down the Gulf Stream, we would see extreme climate change within decades, study shows.

theconversation.com

A groundbreaking Scientific Study has sounded the alarm on a looming catastrophe in the Atlantic Ocean, painting a chilling picture of extreme climate upheaval that could spell disaster for global ecosystems and human societies alike. The research, conducted using cutting-edge climate models, reveals a terrifying scenario where the vital Atlantic Meridional Overturning Circulation (AMOC) – the engine of the ocean’s climate-regulating machinery – teeters on the brink of collapse due to rapidly melting glaciers.

This uncannily echoes the dramatic storyline depicted in the blockbuster film ‘The Day After Tomorrow.’

Superstorms, abrupt climate shifts and New York City frozen in ice. That’s how the blockbuster Hollywood movie “The Day After Tomorrow” from 2004 depicted an abrupt shutdown of the Atlantic Ocean’s circulation and the catastrophic consequences.

While Hollywood’s portrayal may have seemed fantastical at the time, the parallels to current scientific findings are undeniable. Just like in the movie, the study warns of a potential shutdown of the Gulf Stream and AMOC, leading to abrupt and extreme climate shifts within a shockingly short timeframe.

Too much fresh water from Greenland’s ice sheet can slow the Atlantic Ocean’s circulation.

theconversation.com
The Gulf Stream is slowing to a ‘tipping point’ and could disappear

The Gulf Stream, a key component of the AMOC, plays a crucial role in regulating global climate by transporting warm water from the tropics to northern latitudes, including Bermuda. However, as the study suggests, the disruption of the AMOC could bring this vital ocean current to a grinding halt within a mere century. The consequences for Bermuda, nestled in the heart of the Atlantic, would be dire.

FAQ 9.3 Figure 1 in IPCC, 2021: Chapter 9. In: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Fox-Kemper, B., H.T. Hewitt, C. Xiao, G. Aðalgeirsdóttir, S.S. Drijfhout, T.L. Edwards, N.R. Golledge, M. Hemer, R.E. Kopp, G. Krinner, A. Mix, D. Notz, S. Nowicki, I.S. Nurhati, L. Ruiz, J.-B. Sallée, A.B.A. Slangen, and Y. Yu, 2021: Ocean, Cryosphere and Sea Level Change. In Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, V., P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, pp. 1211–1362, doi: 10.1017/9781009157896.011 .]
How the Atlantic Ocean circulation changes as it slows. IPCC 6th Assessment Report

The warm waters of the Gulf Stream enable Bermuda’s shallow near-shore waters to support the northernmost coral reef system in the world

old.mpatlas.org/campaign/bermuda

Bermuda, known for its tropical allure and balmy climate, would face the daunting prospect of adapting to dramatically altered conditions. With the Gulf Stream no longer ferrying warmth to its shores, the island could experience a sharp drop in temperatures, potentially plunging several degrees colder within just decades. This abrupt change would pose significant challenges for Bermuda’s infrastructure, agriculture, and way of life, as it grapples with the harsh reality of a climate it was never designed to endure.

Furthermore, the shutdown of the AMOC would unleash a domino effect of environmental chaos, with ripple effects felt across the globe. Coastal erosion, intensified storm surges, and escalating sea levels would threaten Bermuda’s pristine shores and coastal communities, exacerbating the island’s vulnerability to climate-related disasters.

The urgency of the situation cannot be overstated. With the clock ticking ominously towards this catastrophic tipping point, humanity stands at a crossroads. The time to act is now. From policymakers to everyday citizens, we must unite in a concerted effort to confront the looming threat of climate catastrophe and safeguard the future of our planet – and places like Bermuda – for generations to come.


Read the scientific study here https://theconversation.com/atlantic-ocean-is-headed-for-a-tipping-point-once-melting-glaciers-shut-down-the-gulf-stream-we-would-see-extreme-climate-change-within-decades-study-shows-222834

image sources

https://commons.wikimedia.org/wiki/File:Gulfstream.jpg

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