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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. 2020) or Sadai et al. But there is more.

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How Sea-level Rise Impacts Marsh Sparrows

Cool Green Science

Scientists are studying the effects of sea-level rise on salt marshes, and two imperiled sparrow species. The post How Sea-level Rise Impacts Marsh Sparrows appeared first on Cool Green Science.

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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). So in comparison, the cooling effect of a 15 % AMOC slowdown is over 1,000 times larger than the direct cooling effect of the Greenland meltwater. References.

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Venice may get a temporary respite from rising seas by 2035

New Scientist

High winter sea levels in Venice are linked to warmer sea surface temperatures in the North Atlantic Ocean, and cooling in that ocean over coming decades should therefore temporarily compensate for the city's sea level rise

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AR6 of the best

Real Climate

Sea level rise is a big deal Use, abuse and misuse of the CMIP6 ensemble The radiative forcing bar chart has gone full circle Droughts and floods are complicated Don’t mention the hiatus. Sea Level Rise: The previous IPCC reports, notably AR4 and AR5 (to a lesser extent) , have had a hard time dealing with SLR.

Sea Level 340
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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? The world is gathering soon in Glasgow to debate how to eliminate greenhouse gas emissions over the coming decades. But what happens when we achieve the goal of zero carbon dioxide emissions from human actions?

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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.

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