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Plant Influence on Climate Cycles Explored in New Study
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Reuters Events SMR and Advanced Reactor 2025
Plant Influence on Climate Cycles Explored in New Study
by Robert Schreiber
Berlin, Germany (SPX) May 01, 2024

Researchers are delving into the historical climatic shifts of Earth to better understand its current response to global warming. This emerging field, known as biogeodynamics, is crucial in deciphering the effects of historical climatic changes on life forms.

Julian Rogger of ETH Zurich's Institute of Geophysics is a pioneer in this field. "We're trying to understand processes relevant to the present using the geological past," says Julian Rogger. His work emphasizes the critical role of plant life in Earth's climate system. Unlike other planets, Earth has the right conditions to support complex life due to its balanced climate, fostering diverse ecosystems.

Plants are not merely passive elements in Earth's climate cycle; they actively shape it. In a recent study published in Science Advances, Rogger and his team demonstrate that plants can regulate Earth's atmospheric composition. Their computer models show that plant life not only helps in carbon trapping but also accelerates soil mineral weathering, consuming CO2 and potentially stabilizing the climate through feedback loops.

The research spans 390 million years, analyzing how plants have historically acted as buffers during gradual climatic shifts by adapting to new environmental niches. However, rapid changes can disrupt this balance, leading to significant ecological upheavals, including mass extinctions.

Using advanced simulations, Rogger's team assesses how quickly vegetation can adapt to abrupt temperature increases. "What we want to know is how fast vegetation is able to change its characteristics when the world suddenly gets 5 or 6 degrees warmer," says Julian Rogger. The simulations, which can take up to a month on supercomputers, integrate data from geological sediments and fossils to enhance their accuracy.

These findings highlight the delicate balance between vegetation and climate. Plants have historically moderated Earth's climate, but rapid modern changes pose a significant challenge. "The rate of change we have at the moment is thought to be unprecedented over the past 400 million years," Rogger warns, suggesting a potential decrease in vegetation's ability to regulate climate effectively.

Rogger's insights are vital for understanding the resilience of Earth's ecosystems to current and future climatic changes, emphasizing the importance of preserving plant life to maintain climate stability.

Research Report:Speed of thermal adaption of terrestrial vegetation alters Earth's long-term climate

Related Links
ETH Zurich
Climate Science News - Modeling, Mitigation Adaptation

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