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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.

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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.

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New, Updated Carbon Majors Dataset Holds Promise for Researchers, Litigators

Union of Concerned Scientists

That 2013 headline resulted from the first effort to quantify emissions from the ‘carbon majors’ —fossil fuel companies and cement manufacturers whose businesses have contributed an outsized amount of heat-trapping gases to the atmosphere. Nearly two-thirds of industrial heat-trapping emissions can be traced to just 90 entities.

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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.

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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.

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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.

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