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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. 2020) or Sadai et al.

Sea Level 254
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A distraction due to errors, misunderstanding and misguided Norwegian statistics

Real Climate

A friend asked me if a discussion paper published on Statistics Norway’s website, ‘ To what extent are temperature levels changing due to greenhouse gas emissions? ’, was purposely timed for the next climate summit ( COP28 ). The global sea level acts like the mercury in a thermometer because warmer water expands.

Sea Level 354
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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.

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Rising Seas: Challenges and Solutions for Coastal Communities

HumanNature

Student in the Department of Civil & Environmental Engineering at Colorado State University The Challenge of Sea Level Rise Imagine your favorite beach town slowly disappearing beneath encroaching waves. Rising sea levels, a consequence of climate change, pose a significant threat to coastal communities worldwide.

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The world’s oceans are heading towards peak acidity?

A Greener Life

Their annual ‘State of the Global Climate’ report indicated that the accelerating pace of climate change was to blame for acidification and that the melting of ice sheets contributed to pushing sea level rises to new heights in 2021. The heat trapped by human-induced greenhouse gases will warm the planet for many generations to come.”

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