based clumped isotope thermometry has enabled reconstruction of Earth's surface temperatures independent of the source of oxygen within the carbonate. It has been postulated that carbonate samples can contain contaminants that cause isobaric interferences, compromising measured values and reconstructed temperatures. The exact nature of contaminants and isobaric interferents, however, largely remained unidentified.

中文翻译：

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碳酸盐聚集同位素值受到硝酸盐衍生的 NO2 干扰物的影响


基于团块同位素测温技术能够重建地球表面温度，而与碳酸盐内的氧源无关。据推测，碳酸盐样品可能含有污染物，这些污染物会引起同量异位素干扰，从而影响测量值和重建温度。然而，污染物和同量异位干扰物的确切性质在很大程度上仍未确定。