Shelf ecosystems along the U.S. Atlantic Coastal Plain prior to and during th...

The Paleocene-Eocene Thermal Maximum (PETM) is the most pronounced climate event of the early Paleogene. It is characterized by negative δ18O and δ13C excursions recorded in...古新世-始新世极热事件（Paleocene-Eocene Thermal Maximum，PETM）是早古近纪最为显著的气候事件，其特征为记录于……的氧同位素δ¹⁸O与碳同位素δ¹³C负偏移。