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Paleocene Eocene Thermal Maximum

All articles tagged with #paleocene eocene thermal maximum

science1 month ago•3 min saved

Ancient Earth Warming Halted Plant Growth and Carbon Absorption

Around 56 million years ago, a rapid and intense global warming event caused significant changes in Earth's vegetation, with drought-resistant plants thriving at mid-latitudes and increased biomass in high-latitudes, but overall reducing the planet's capacity to sequester carbon, which prolonged the warming period. Modern warming, occurring ten times faster, may pose even greater challenges for plant adaptation and climate regulation.

via ScienceAlert|

#carbon-sequestration #climate-change #earth-history

science4 months ago•4 min saved

56 Million Years Ago: Rapid Warming and Its Impact on Pollinators

A study of 56 million-year-old fossil pollen reveals that during a rapid global warming event, pollination shifted from wind to animal pollination, with plants from dry tropical regions expanding poleward, offering insights into how ecosystems respond to climate change and the importance of rate of change for survival.

via Space|

#climate-change #ecosystem-resilience #fossil-pollen

astronomyplanetary-science1 year ago•4 min saved

"Unraveling the Mystery: How Passing Stars Altered Earth's Orbit Millions of Years Ago"

New research suggests that a chance encounter between the Solar System and a passing star around 56 million years ago may have altered Earth's orbit, potentially contributing to a significant climate change event known as the Paleocene-Eocene Thermal Maximum. The study's simulations show that such encounters could have disrupted planetary orbits, leading to changes in Earth's climate. This finding highlights the importance of considering stellar encounters in understanding the long-term evolution of the Solar System and its potential impact on Earth's climate.

via ScienceAlert|

#astronomyplanetary-science #climate-change #earths-orbit

earth-science2 years ago•5 min saved

Ancient Volcanism and Microbes: Unveiling Earth's Methane Secrets

A new study published in Nature Geoscience reveals that volcanic activity 56 million years ago, during the Paleocene-Eocene boundary, released more methane into the atmosphere than previously thought. Researchers collected samples from a large igneous province located between Greenland and Europe, which showed evidence of hydrothermal vents active at shallow depths or even above sea level. This suggests that larger quantities of greenhouse gases, including methane, entered the atmosphere during this period, contributing to global warming and the Paleocene-Eocene Thermal Maximum. The study also highlights the Earth's ability to self-regulate over long time scales but emphasizes the urgency of addressing the current climate crisis.

via Phys.org|

#climate-change #earth-science #hydrothermal-vents