Thousands of the world's large dams are so clogged with sediment that they risk losing more than a quarter of their storage capacity by 2050, UN researchers said Wednesday, warning of the threat to water security.
Environment
Jan 11, 2023
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13
As a river cuts through a landscape, it can operate like a conveyer belt, moving truckloads of sediment over time. Knowing how quickly or slowly this sediment flows can help engineers plan for the downstream impact of restoring ...
Condensed Matter
Jan 11, 2023
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10
Researchers led by Prof. Wan Shiming from the Institute of Oceanology of the Chinese Academy of Sciences (IOCAS) and their collaborators reconstructed the 400,000-year East Asian rainfall record from marine sediment.
Earth Sciences
Jan 11, 2023
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2
An international team of scientists painstakingly gathered data from more than 50 years of seagoing scientific drilling missions to conduct a first-of-its-kind study of organic carbon that falls to the bottom of the ocean ...
Earth Sciences
Jan 4, 2023
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96
Researchers have created a map of oceanic "dead zones" that existed during the Pliocene epoch, when the Earth's climate was two to three degrees warmer than it is now. The work could provide a glimpse into the locations and ...
Earth Sciences
Jan 4, 2023
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117
Sea levels in Micronesia rose much faster over the past 5,000 years than previously thought, according to our new study published today in Proceedings of the National Academy of Sciences.
Archaeology
Dec 24, 2022
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136
The total amount of microplastics deposited on the bottom of oceans has tripled in the past two decades with a progression that corresponds to the type and volume of consumption of plastic products by society.
Earth Sciences
Dec 22, 2022
5
120
How did the complex organisms on Earth arise? This is one of the big open questions in biology. A collaboration between the working groups of Christa Schleper at the University of Vienna and Martin Pilhofer at ETH Zurich ...
Evolution
Dec 21, 2022
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97
Spread across vast distances, the islands of the tropical Pacific Ocean have been believed to have been populated by humans in two distinct migrations beginning approximately 3,330 years ago.
Archaeology
Dec 19, 2022
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198
Recently, new areas of research have arisen because of environmental concerns since the Industrial Revolution that focus on vanadium cycling between the atmosphere, water and sediments. Vanadium has been widely recognized ...
Earth Sciences
Dec 14, 2022
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7
