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Why is future sea level rise still so uncertain?

Real Climate

Three new papers in the last couple of weeks have each made separate claims about whether sea level rise from the loss of ice in West Antarctica is more or less than you might have thought last month and with more or less certainty. Two elephant seals in the Southern Oceans arguing about marine ice cliff instability.

Sea Level 248
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The water south of Greenland has been cooling, so what causes that?

Real Climate

An AMOC weakening by 15 % thus cools the region at a rate of 0.15 x 10 14 W and according to model simulations can fully explain the observed cooling trend (2). Here we start by taking the Greenland mass loss rate into the ocean, times the temperature difference between the meltwater and the water it replaces.

Cooling 353
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Delayed harm and the politics of climate change, reconsidered

Legal Planet

Does the climate keep warming, stay the same, or even cool? There is another important aspect to what is sometimes called “committed warming,” “climate inertia,” or “zero emissions commitment,” an aspect I wrote about over a decade ago. As I noted in my article, that may still produce a backlash against continued climate action.

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Climate Change and Me

Academy of Natural Sciences

The first climate change presentation I saw was back in the 1970s when I was working for the National Weather Service. Murray Mitchell, was the top climate scientist for NWS. While that got the bulk of the publicity, Dr. Mitchell assured us that the warming of the climate would be the biggest problem in the future.

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The AMOC: tipping this century, or not?

Real Climate

If the AMOC weakens, this region will cool. And in fact it is cooling – it’s the only region on Earth which has cooled since preindustrial times. that the sea surface temperature there in winter is a good index of AMOC strength, based on a high-resolution climate model. From Rahmstorf and Ganopolski 1999.

Ocean 245
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Analysis: How fast can we stop Earth from warming??

A Greener Life

The ocean retains heat for much longer than land does. The radiators are, in fact, cooling down, but their stored heat is still warming the air in the room. Emerging research is refining scientists’ understanding of how Earth’s committed warming will affect the climate. By Richard B. Ricky) Rood.

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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on Climate Change (IPCC) on August 9th. The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.