Oxygen Isotope Ratio Cycle
Oxygen isotope ratio cycles are cyclical variations in the ratio of the abundance of oxygen with an atomic mass of 18 to the abundance of oxygen with an atomic mass of 16 present in some substances, such as polar ice or calcite in ocean core samples. The ratio is linked to water temperature of ancient oceans, which in turn reflects ancient climates. Cycles in the ratio mirror climate changes in geologic history.
Read more about Oxygen Isotope Ratio Cycle: Isotopes of Oxygen, Connection Between Isotopes and Temperature/weather, Connection Between Temperature and Climate, Connection Between Calcite and Water
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