Uncovered: CO2 In Modern Ice Reaches 900 – 70,000 ppm – Wildly Incompatible With Atmospheric Levels
By Kenneth Richard on 6. May 2021
It’s considered canonical that global-scale atmospheric levels of CO2 from thousands of years ago can be precisely discerned just by examining air bubbles in ancient snow and ice from Antarctica. But an examination of the CO2 levels in modern snow and ice shows there are gigantic discrepancies between the measurements of CO2 in ice versus the atmosphere.
We know from 20th century observations that the snow that falls on the surface of polar climates can, within decades, be entombed far below the surface as compact glacial ice. For example, a plane that landed on the surface snow of the Greenland ice sheet in 1942 was recovered with more than 100 meters of ice accumulation piled atop it (AVweb, 2018).
Since 1973, Barrow, Alaska has been one of the few sites on Earth where global atmospheric CO2 has been systematically monitored. In the last 50 years, CO2 has risen from about 325 ppm to today’s 415 ppm.
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