but the period has caused a headache for climate scientists because clearly there was no upswell in carbon dioxide that could account for such swift warming.
but the period has caused a headache for climate scientists because clearly there was no upswell in carbon dioxide that could account for such swift warming.
eocene:110
the cause of the warming is considered to be primarily due to carbon dioxide increases, because carbon isotope signatures rule out major methane release during this short term warming.