Diatom-bound nitrogen isotope and opal flux records over the Holocene period ...

A rise in the atmospheric CO2 concentration of ~20 parts per million over the course of the Holocene has long been recognized as exceptional among interglacials and is in need...长期以来，学界已达成共识：全新世（Holocene）期间大气二氧化碳（CO₂）浓度约20百万分比（parts per million）的升高，在所有间冰期（interglacial）中实属异常，且亟需……