During the last Ice Age about 20,000 years ago, iron-containing dust acted as a fertilizer for marine phytoplankton in the South Pacific, promoting CO2 sequestration and thus the glacial cooling of the Earth. But where did ...
Earth Sciences
Nov 9, 2020
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145
A new study finds a trigger for the Little Ice Age that cooled Europe from the 1300s through mid-1800s, and supports surprising model results suggesting that under the right conditions sudden climate changes can occur spontaneously, ...
Earth Sciences
Sep 17, 2020
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796
In the past million years, the high-altitude winds of the southern westerly wind belt, which spans nearly half the globe, didn't behave as uniformly over the Southern Pacific as previously assumed. Instead, they varied cyclically ...
Earth Sciences
Nov 5, 2019
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42
Scientists cannot travel into the past to take the Earth's temperature so they use proxies to discern past climates, and one of the most common methods for obtaining such data is derived from the remains of tiny marine organisms ...
Earth Sciences
May 16, 2017
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14
New insights into the growth dynamics of minuscule marine organisms could help put the study of Earth's climate, both present and prehistoric, on a more solid footing.
Earth Sciences
Nov 25, 2013
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0
A "cold snap" 116 million years ago triggered a similar marine ecosystem crisis to those witnessed in the past as a result of global warming, according to research published today in Nature Geoscience.
Earth Sciences
Jun 16, 2013
57
1
We moan about the wet weather all too often but it may have been crucial in the development of human culture from about 70,000 years onwards, according to scientists reporting in Nature Communications today.
Earth Sciences
May 21, 2013
3
0
The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. The origin of its ecosystems can be traced back to ...
Earth Sciences
Apr 18, 2013
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0
(Phys.org) —Scientists have found unexpectedly high concentrations of opal, a mineral containing silicate, in marine sediments during the transition periods from ice ages to warm phases. The explanation as to what caused ...
Earth Sciences
Apr 10, 2013
4
0
Scientists from Cardiff University and the University of Barcelona have discovered new clues about past rapid climate change.
Earth Sciences
Apr 8, 2013
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1
