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The Paleocene–Eocene thermal maximum (PETM), alternatively ”Eocene thermal maximum 1 (ETM1)“ and formerly known as the "Initial Eocene" or “Late Paleocene thermal maximum", was a geologically brief time interval characterized by a 5–8 °C global average temperature rise and massive input of carbon into the ocean and atmosphere.
The most pronounced of these, the Paleocene-Eocene Thermal Maximum (PETM) is visible in the figure at right. These are usually interpreted as caused by abrupt releases of methane from clathrates (frozen methane ices that accumulate at the bottom of the ocean), though some scientists dispute that methane would be sufficient to cause the observed ...
The Paleocene–Eocene Thermal Maximum was an approximately 200,000-year-long event where the global average temperature rose by some 5 to 8 °C (9 to 14 °F), [55] and mid-latitude and polar areas may have exceeded modern tropical temperatures of 24–29 °C (75–84 °F). [108]
the Danian-Selandian event at the transition between the Danian and Selandian stages of the Paleocene, about 61 million years ago; the two events following the PETM during the Eocene climatic optimum: the Eocene Thermal Maximum 2 (ETM2) about 53.2 million years ago, and the Eocene Thermal Maximum 3 (ETM3) about 52.5 million years ago. [2]
The hottest part of the last greenhouse earth was the Late Paleocene - Early Eocene. This was a hothouse period that lasted from 65 to 55 million years ago. The hottest part of this torrid age was the Paleocene–Eocene Thermal Maximum, 55.5 million years ago. Average global temperatures were around 30 °C (86 °F). [14]
The Paleocene–Eocene thermal maximum (PETM), alternatively ”Eocene thermal maximum 1 (ETM1)“ and formerly known as the "Initial Eocene" or “Late Paleocene thermal maximum", was a geologically brief time interval characterized by a 5–8 °C global average temperature rise and massive input of carbon into the ocean and atmosphere.
New York. The Empire State has a high income tax rate — 10.9%. Fortunately, it only applies for those truly earning a good living, individuals with an AGI of more than $1,077,550 and couples ...
Eocene Thermal Maximum 2 (ETM-2), also called H-1 or Elmo ... The most extreme and best-studied event, the Paleocene-Eocene Thermal Maximum (PETM or ETM-1), occurred ...