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You are browsing the archive for coral Archives - AGU Blogosphere.

18 May 2020

How climate killed corals

New study shows multiple factors joined forces to devastate the Great Barrier Reef in 2016.

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29 August 2019

Researchers find new ways for coral reef ecosystems to grow

Particulate organic matter from the open ocean has a bigger-than-expected role in the growth and health of coral reefs, say researchers studying declining coral reefs in Hawaii.

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18 September 2018

Coral skeletons act as archive of desert conditions from Little Ice Age

The Sahara and Arabian deserts did not cool as much as the rest of the Northern Hemisphere during the Little Ice Age, but in fact were drier 200 years ago than they are today, according to a new study. The Little Ice Age was a cool period from around 1450 to 1850. During this time, Europe was very cool and even experienced a “year without a summer” in 1816 due to the 1815 eruption of Mount Tambora, a volcano in Indonesia. Scientists knew Europe experienced significant cooling during the Little Ice Age because of historical data but were unsure how other parts of the world were affected, such as the Sahara and Arabian deserts.

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4 September 2018

Polluted groundwater likely contaminated South Pacific Ocean coral reefs for decades

Groundwater containing excess nitrogen from agricultural fertilizers likely contaminated coral reefs on the Cook Islands during the second half of the 20th century, continuing for years after fertilizer use stopped, according to a new study. The finding suggests human activities have long-lasting impacts on coral reef communities and could be contributing to their decline.

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15 December 2016

Some corals and scallops better able to handle ocean acidification, study finds

Some coral and mollusk species are adjusting to acidifying ocean waters better than previously thought, according to new research.

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