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Sea level in the IPCC 6th assessment report (AR6)

Real Climate

My top 3 impressions up-front: The sea level projections for the year 2100 have been adjusted upwards again. The IPCC gives more consideration to the large long-term sea-level rise beyond the year 2100. And here is the key sea-level graphic from the Summary for Policy Makers: Source: IPCC AR6, Figure SPM.8.

Sea Level 363
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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 254
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The world’s oceans are heading towards peak acidity?

A Greener Life

Our oceans are acidifying. A new report has warned that the level of acidity in the world’s oceans is higher now than it has been for the past 26,000 years. ” How the oceans absorb carbon and store the heat. Oceans bear much of the brunt of the warming climate and increasing climate emissions.

Ocean 98
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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 361
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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

The problems with the SPM are similar those from the previous fifth assessment report which prompted me to write a post in 2013. I think in hindsight that my concerns from 2013 to some extent were supported by the fact that the IPCC organised an Expert Meeting on Communication, Oslo, Norway, 9–10 February 2016. mm increase every year.

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A distraction due to errors, misunderstanding and misguided Norwegian statistics

Real Climate

The physics-based models describe how energy flows through the atmosphere and ocean, as well as how the forces from different air masses push against each other. While temperatures provide a measure of the Earth’s climate, it is even better to use the global sea level , which provides a far more reliable measure.

Sea Level 354
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Melting glaciers have been shifting the Earth’s poles since 1995, new study suggests

Physics World

Part of this movement is an oscillation on a timescale of about a year – caused by short-term fluctuations such as changes in ocean currents and atmospheric pressure. This allowed GRACE to determine the shape of the Earth and monitor changes in sea level, glaciers and groundwater. Amazing GRACE.

Sea Level 112