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   legraLeGra (atthenius@fediscience.org)'s status on Saturday, 16-Dec-2023 18:11:30 JST legraLeGra

   Cool #ClimateChange reporting from @alexwitze
   https://www.nature.com/articles/d41586-023-04002-5

   Remember all the news ‘hottest day in 125000 yrs’?

   During one of such previous 4 interglacial periods — when *annual* global temperatures were lower than today, at least one corner of Greenland was melted - enough to raise global seas by ~½ meter.

   The GreenDrill project #LDEO #Columbia uses Cosmogenic Isotopes (like Carbon-14, here Beryllium-10) to determine when parts of Greenland were ice free.

   https://greendrill-cosmo.ldeo.columbia.edu