Eocene - Wikipedia
The Eocene (IPA: / ˈ iː ə s iː n, ˈ iː oʊ-/ EE-ə-seen, EE-oh-[5] [6]) is a geological epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period in the modern Cenozoic Era.
Paleocene–Eocene Thermal Maximum - Wikipedia
The exact age and duration of the PETM remain uncertain, but it occurred around 55.8 million years ago (Ma) and lasted about 200 thousand years (Ka). [4] [5] The PETM arguably represents our best past analogue for which to understand how global warming and the carbon cycle operate in a greenhouse world.
Earth was super hot and humid 55 million years ago - Futurity
2020年11月2日 · Researchers used siderite minerals from ancient soils to reconstruct the temperature and humidity of Earth 55 million years ago. They found that the atmosphere was very hot and moist, with high...
Paleocene-Eocene Thermal Maximum - Encyclopedia Britannica
Paleocene-Eocene Thermal Maximum (PETM), a short interval of maximum temperature lasting approximately 100,000 years during the late Paleocene and early Eocene epochs (roughly 55 million years ago). The interval was characterized by the highest global temperatures of the Cenozoic Era (65 million
What Happened the Last Time the Climate Changed
2013年3月8日 · Learn how a sudden warming of the Earth 55 million years ago, called the PETM, is a warning for our present climate crisis. See how scientists study fossils and climate charts to understand the...
Timeline of the evolution of life on Earth | New Scientist
2009年7月14日 · 55 million years ago The Palaeocene-Eocene Thermal Maximum . A sudden rise in greenhouse gases sends temperatures soaring , wiping out many species in the depths of the sea – though...
Eocene Epoch | Climate, Flora & Fauna | Britannica
2024年9月21日 · The Eocene Epoch was a warm and humid period 56 to 33.9 million years ago, when many modern groups of organisms appeared and diversified. Learn about the Eocene rocks, stages, fossils, and vertebrates, especially the horses, whales, and elephants.
Abrupt reversal in ocean overturning during the Palaeocene
2006年1月5日 · A global warming event that took place 55 million years ago at the end of the Palaeocene epoch is providing a picture of how Earth responds to climate change.
Astronomical pacing of late Palaeocene to early Eocene global …
2005年6月8日 · At the boundary between the Palaeocene and Eocene epochs, about 55 million years ago, the Earth experienced a strong global warming event, the Palaeocene–Eocene thermal maximum1,2,3,4.
Increased terrestrial methane cycling at the Palaeocene
2007年9月20日 · The Palaeocene–Eocene thermal maximum (PETM), a period of intense, global warming about 55 million years ago 1, has been attributed to a rapid rise in greenhouse gas levels, with...