An alternate to my 1982 hypothesis about the driver for the atmosphere’s CO2 content reduction during glacial time was proposed by Wolf Berger, a scientist at Scripps Oceanographic Institution (Berger, 1982). His hypothesis also involved carbon storage in the shallow parts of the ocean but there was a major difference. While I proposed storage in organic matter, he proposed storage of CaCO3. His became known as the coral reef hypothesis. The formation of CaCO3, from waters where HCO3 dominates the inorganic carbon species, releases protons. This increases the concentration of H...

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