
Earth Sciences
Clay hydroxyl isotopes show an enhanced hydrologic cycle during the Paleocene-Eocene Thermal Maximum
G. L. Walters, S. J. Kemp, et al.
This research by Gregory L. Walters and colleagues delves into hydrologic changes during the Paleocene-Eocene Thermal Maximum (PETM), revealing that clay mineral hydroxyl isotopes provide a clearer picture of ancient rainfall patterns than bulk isotopes. A notable drop in hydrogen isotope values marks intensified rainfall, suggesting a vigorous hydrologic cycle response during early PETM.
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