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.
mars ocean hypothesis:83
mars ocean hypothesis
despite a weak early sun, the greenhouse effect from a thick carbon dioxide atmosphere, if bolstered with small amounts of methane or insulating effects of carbon-dioxide-ice clouds, would have been sufficient to warm the mean surface temperature to a value above the freezing point of water.