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Bread and Circuses (@breadandcircuses) · 11/2022 · Tröts: 3.913 · Folger: 9.287
Mi 03.07.2024 15:01
Something doesn't fit. We're missing a piece of the puzzle...
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Approximately 3 million years ago, during the Pliocene epoch, atmospheric carbon dioxide levels were similar to today. Global temperatures averaged about 2 to 3 degrees Celsius above pre-industrial levels (a temperature increase we’re on track for in coming decades, unless we significantly reduce global greenhouse gas emissions). And the global mean sea level was upward of 65 feet [20 meters] higher than present, thanks to ice melt.
That’s right: 65 feet higher, an increase that would submerge most of the state of Florida, and nearly all of New York City.
Yet most current-day models of sea level rise don’t indicate we’re headed toward anything like 65 feet of sea level rise in the near-future, even at 2 to 3 C of warming. The discrepancy between past and future projection has been an unsettling mystery for climate and ocean scientists for years. Many researchers in the field think the answer comes down to incomplete and inaccurate models. New study findings could be part of solving the puzzle.
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➡️ https://www.inverse.com/science/scientists-have-found-a-new-climate-tipping-point
SEE ALSO -- "Scientists just got closer to solving a major Antarctic puzzle"
➡️ https://grist.org/science/climate-models-puzzle-antarctica-tipping-point/
#Science #Environment #Climate #ClimateChange #ClimateCrisis
Screenshot from first linked article. Headline says: "Scientists have found a new climate tipping point. Hotter oceans are set to trigger a feedback loop of runaway melting."
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