Publicado por: pongpesca | 2016/12/14

Longest-living animal gives up ocean climate secrets

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Analysis of the quahog clam reveals how the oceans affected the climate over the past 1,000 years.

A study of the longest-living animal on Earth, the quahog clam, has provided researchers with an unprecedented insight into the history of the oceans.

By studying the chemistry of growth rings in the shells of the quahog clam, an international team led by experts from Cardiff University and Bangor University have pieced together the history of the North Atlantic Ocean over the past 1000 years and discovered how its role in driving the atmospheric climate has drastically changed.

The research team showed that prior to the industrial period (pre AD 1800), changes in the North Atlantic Ocean, brought about by variations in the Sun’s activity and volcanic eruptions, were driving our climate and led to changes in the atmosphere, which subsequently impacted our weather.

Fonte: ScienceDaily , dia 6 dezembro 2016

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