New Studies: Northeastern China Was 7-10°C Warmer 9000 Years Ago – And 1.7°C Warmer In The 1800s!

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Two more new papers add to the voluminous paleoclimate evidence that most of the last 10,000 years were much warmer than modern. 

The globe was about 4 to 6°C warmer than it is today between 9000 and 6000 years ago, when CO2 concentrations centered around 265 ppm.

Image Source: ScienceDaily.com

Some regions exceeded the 4 to 6°C global average.

Northeastern China, for example, has been determined to have been between 7-10°C warmer than today during the Early Holocene (Liu et al., 2019, Zheng et al., 2018, Peterse et al., 2014, Jia et al., 2013, Gao et al., 2012).

New paleoclimate evidence even suggests  the 19th century may even have been ~1.7°C warmer on average than the 20th century in this region (Jiang et al., 2019).

Of course, none of these temperature values are consistent with the claim that the Earth’s surface temperatures are significantly determined by changes in atmospheric CO2 concentrations.


Image Source: Liu et al., 2019

Image Source: Zheng et al., 2018

Image Source: Jiang et al., 2019
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8 responses to “New Studies: Northeastern China Was 7-10°C Warmer 9000 Years Ago – And 1.7°C Warmer In The 1800s!”

  1. Bruce of Newcastle

    Weirdly it was called the Holocene Climatic Optimum.
    I wonder why they would call rampant thermageddon “optimum”?
    It’s almost as if warmer temperatures are actually nice.

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