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California's Mean Annual Temps Were Up To 3.8°C Warmer Than Today During The Last Glacial

California’s Mean Annual Temps Were Up To 3.8°C Warmer Than Today During The Last Glacial

By on 15. May 2023

From 14,000 to 45,000 years ago, when the atmospheric CO2 values were said to be under 200 ppm, California lakes record millennial-scale mean annual air temperature (MAAT) variations of over 12°C and intervals when it was nearly 4°C warmer than modern. Per a new paleotemperature reconstruction (Olson et al., 2023) from a California lake, there […]

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