Polymetallic nodules are potato-sized formations on the ocean floor that are rich in minerals such as nickel, cobalt, and manganese. Their concentration of rare, economically important minerals has made the nodules the focus ...
Earth Sciences
15 hours ago
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57
River floods are environmental hazards that can have devastating effects on human life, agriculture, and infrastructure. Hydrologic models are used to map flood hazards to better understand risk, dictate insurance costs, ...
Earth Sciences
Sep 24, 2024
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7
Nestled in the Uinta Mountains of northern Utah, a series of pristine lakes are facing a new threat—humans. Geography professor and chair Katrina Moser led a team of researchers in the region this summer to better understand ...
Earth Sciences
Sep 20, 2024
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The world's oceans are home to different habitats that capture and store carbon—known as "blue carbon." These include habitats that are typically found along coastlines, such as salt marshes and seagrasses, as well as vast ...
Environment
Sep 19, 2024
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2
Sitting in darkness, deep below the sunlit surface, an iridescent nightmare awaits its prey. With precision and speed, it strikes and slices a passing fish clean in half with a set of jaws twice the width of its head. The ...
Ecology
Sep 18, 2024
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1
A research team led by the Leibniz Institute for Baltic Sea Research Warnemünde (IOW) has analyzed 50,000 years of mid-latitude hydroclimate of the South-East Pacific using special moisture related indicators in marine sediment ...
Earth Sciences
Sep 12, 2024
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129
Marine phytoplankton take up atmospheric carbon and carry it to the seafloor when they die and sink (a process known as organic carbon sedimentation). This biological carbon pump is a powerful part of Earth's carbon cycle, ...
Earth Sciences
Sep 10, 2024
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5
Microplastics have raised concerns among scientists and the public in recent years due to their widespread presence and associated health risks. They have been found in every corner of the planet, from mountain peaks to the ...
Ecology
Sep 9, 2024
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29
As Utah's Great Salt Lake shrinks, exposing more of its playa, concerns grow about the dust the dry lakebed emits. But scientists lack the data to fully understand what pollutants are present in these airborne sediments.
Earth Sciences
Sep 6, 2024
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10
There are some pretty strange ingredients in cosmetics and skin care products. One example is snail mucin—also known as snail slime—which is used for its moisturizing and antioxidant properties. But researchers reporting ...
Biochemistry
Sep 5, 2024
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Sediment is any particulate matter that can be transported by fluid flow, and which eventually is deposited.
Sediments are most often transported by water (fluvial processes) transported by wind (aeolian processes) and glaciers. Beach sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans. Desert sand dunes and loess are examples of aeolian transport and deposition. Glacial moraine deposits and till are ice transported sediments.
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