New research has identified a body of sediments that may have been deposited by a giant flood ending the Messinian Salinity Crisis. These sediments were transported by a massive flow of water and were deposited along the ...
Earth Sciences
Jan 27, 2020
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41
Coastal wetlands provide stunning views and are hosts to a vast array of biodiversity. But they also provide another service to the warming Earth: they capture carbon from the atmosphere and sequester it in their sediment ...
Earth Sciences
Dec 20, 2019
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185
Dead zones within the world's oceans—where there is almost no oxygen to sustain life—could be expanding far quicker than currently thought, a new study suggests.
Earth Sciences
Dec 10, 2019
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195
Resting atop Thomas Peacock's desk is an ordinary-looking brown rock. Roughly the size of a potato, it has been at the center of decades of debate. Known as a polymetallic nodule, it spent 10 million years sitting on the ...
Environment
Dec 6, 2019
2
18
Marine sediments play a crucial role in the global carbon cycle due to the oxygen consumption and CO2 respiration of the organisms that live in and on the ocean floor. To help predict the changing contribution of this respiration ...
Earth Sciences
Oct 30, 2019
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11
In early October 2016, a tropical storm named Nicole formed in the middle of the Atlantic Ocean. It roamed for six days, reaching Category 4 hurricane status with powerful 140 mile-per hour-winds, before hitting the tiny ...
Environment
Sep 19, 2019
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19
There are 30 percent more sediments on the seabed than previously expected, reveal an update of the map GlobSed. This equates to up to two kilometers of extra land mass over today's land area.
Earth Sciences
Sep 18, 2019
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15
Scientists have taken the temperature of a huge expanse of seafloor in the Arctic Ocean in new research by the U.S. Geological Survey and the Geological Survey of Canada. The study, published in the Journal of Geophysical ...
Earth Sciences
Aug 9, 2019
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26
There have been long periods of cooling in Earth's history. Temperatures had already fallen for more than 10 million years before the last ice age began about 2.5 million years ago. At that time, the northern hemisphere was ...
Earth Sciences
Jul 3, 2019
5
1
Active margins, where an oceanic plate slides under a continental plate, may cause earthquakes and tsunamis. Further, they are known for shifting sediments from margin slopes into deep ocean trenches. Geologists now found ...
Earth Sciences
Jun 26, 2019
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