Extensively-Referenced Study Of Past Scientists’ Global Temperature Estimates Suggests ‘No Change’ In 100 Years

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In the early 1900s, the globally-averaged distribution of calculated surface temperature estimates ranged between 14 and 15°C. For 1991-2018, HadCRUT, Berkeley, and NASA GISS also estimate today’s global temperature is about 14.5°C.

Scientists estimating Earth’s surface temperature has been an ongoing pursuit since the early 19th century.

A new study (Kramm et al., 2020) suggests the generally agreed-upon global temperature from 1877 to 1913 from dozens of calculated results was about 14.4°C.

Problematically, HadCRUT, Berkley, and NASA GISS also indicate the 1991-2018 had a global surface temperature of about 14.5°C.

This would suggest there has been “no change in the globally averaged near-surface temperature over the past 100 years”.

Image Source: Kramm et al., 2020
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8 responses to “Extensively-Referenced Study Of Past Scientists’ Global Temperature Estimates Suggests ‘No Change’ In 100 Years”

  1. P Gosselin
  2. Scissor

    Good post. Seems like it’s cooled since 1850.

  3. RickWill

    Global Warming aka Climate Change aka Climate Crisis is a fairy tale. It comes from the creators of data homogenisation.

    The concept of “Average Near Surface Temperature” has no useful linkages to the thermal energy that drives Earth’s weather. To have any relevance at all it would need to include a correction for the atmospheric water content.

    Measurement of ocean temperature to 2000m is a better indicator of the energy that drives weather on Earth. The 65 year record indicates a rise of 0.11C. That tiny change is well within the measurement error.

    Any claim that there is Global Warming cannot be validated with ANY scientific certainty. It is just as certain that there is Global Cooling. Data homogenisation could just as easily create a cooling trend for “Average Near Surface Temperature”.

  4. RoHa

    But 21st century degrees are bigger than 19th century degrees. Man-made CO2 makes degrees grow bigger.

    1. Yonason

      @RoHa

      Is that like, “temperature readings in rear view mirror are smaller than they appear.”?

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