Weakening of the Atlantic Meridional Overturning Circulation driven by subarctic freshening since the mid-twentieth century - this circulation could be 33% weaker under 2 °C of global warming, which could be reached over the coming decade
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#ClimateChange #AMOC #GlobalWarming #OceanCirculation #EnvironmentalImpact
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Nature
Weakening of the Atlantic Meridional Overturning Circulation driven by subarctic freshening since the mid-twentieth century
Nature Geoscience - Fresh meltwater entering the Labrador and Irminger seas has resulted in a slowing of the Atlantic Meridional Overturning Circulation since the 1950s, according to a combination...
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Meltwater from Greenland and the Arctic is weakening ocean circulation, speeding up warming down south. The Earth has already warmed 1.5ºC since the industrial revolution, and the Arctic has been heating up nearly four times faster than the rest of the planet.
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#ClimateChange #ArcticMelting #OceanCirculation #GlobalWarming #Sustainability
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The Conversation
Meltwater from Greenland and the Arctic is weakening ocean circulation, speeding up warming down south
New research shows melting ice is causing the Atlantic Meridional Overturning Circulation (AMOC) to slow down, with widespread consequences for the world’s climate and ecosystems.
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A recent study has analyzed the Atlantic Meridional Overturning Circulation (AMOC) using computer models and found no evidence of a long-term weakening over the past 60 years.
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#AMOC #ClimateChange #OceanCirculation #ResearchStudy #EnvironmentalScience
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Woods Hole Oceanographic Institution
New study finds that critical ocean current has not declined in the last 60 years
Atlantic Meridional Overturning Circulation (AMOC) helps to regulate the Earth’s climate and weather
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Collapse of critical Atlantic current is no longer low-likelihood 🌊❗ as models project possible shutdown of northern Atlantic overturning after 2100. The shutdown follows increasing surface warming ☀️ and freshening of surface water 💧.
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#AtlanticCurrent #ClimateChange #OceanCirculation #GlobalWarming #EnvironmentalCrisis
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the Guardian
Collapse of critical Atlantic current is no longer low-likelihood, study finds
Scientists say ‘shocking’ discovery shows rapid cuts in carbon emissions are needed to avoid catastrophic fallout
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New study finds East Antarctic Ice Sheet retreated ~9000 years ago due to a self-reinforcing feedback loop between ice melt ❄️ and ocean 🌊 circulation, where warm deep water 🌡️ melted coastal ice shelves and triggered inland ice loss — a process that could unfold again under modern warming. 🔥
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#EastAntarcticIceSheet #ClimateChange #IceMelting #OceanCirculation #GlobalWarming
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Nature
Antarctic ice-shelf collapse in Holocene driven by meltwater release feedbacks
Nature Geoscience - Early Holocene retreat of an ice shelf in East Antarctica was linked to ocean-driven forcing enhanced by ice-sheet meltwater from adjoining regions, as unveiled through the...
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Melting icebergs can weaken a massive, far-off ocean current system: from the Pacific to the Atlantic, iceberg melt weakens an ocean system that regulates the global climate
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#ClimateChange #OceanCirculation #GlobalWarmingImpact
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UC Davis
Melting Icebergs Can Weaken a Massive, Far-Off Ocean Current System
Melting and breaking icebergs in the far-off, northeastern region of the Pacific Ocean can weaken a massive current system in the Atlantic Ocean, according to a University of California, Davis study published in Nature Communications.
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Climate modeling suggests the AMOC may not have a fixed temperature threshold for collapse: it remained stable beyond 5°C under slow warming but collapsed around 2°C under faster warming, indicating that the rate of climate change can strongly influence its stability.
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#AMOC #ClimateChange #OceanCirculation
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Nature
Failure to track a stable AMOC state under rapid climate change
Nature Climate Change - Climate change is expected to alter oceanic circulation, with the Atlantic Meridional Overturning Circulation (AMOC) at risk of collapse. This work shows that the stability...
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