Analysis of 40-million year record calibrates CO2 concentrations with historic sea levels
By Summit Voice
SUMMIT COUNTY — Even if atmospheric carbon dioxide concentrations were to be stabilzed at today’s levels of about 400 parts per million, sea levels would gradually increase by about 30 during the next few centuries, according to researchers who calibrated CO2 levels against sea level for the past 40 million years.
The study sought to pinpoint the ‘natural equilibrium’ sea level for CO2 concentrations ranging between ice-age values of 180 parts per million and ice-free values of more than 1,000 parts per million.
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