Large CO2 release speeds up ice age melting
Radiocarbon dating is used to determine the age of everything from ancient artifacts to prehistoric corals on the ocean bottom.
Earth Sciences
Aug 26, 2010
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Page 8 - News tagged with sea sediments
High seas may be responsible for Taiwan settlement
(PhysOrg.com) -- University of Hawaii archaeologists, led by Barry Rolett, have published a journal in Quaternary Science Reviews focusing on the early settlements of Taiwan. It is their belief that rising sea waters in ...
Diverting Sediment-rich Water Below New Orleans Could Lead to Extensive New Land
(PhysOrg.com) -- Diverting sediment-rich water from the Mississippi River below New Orleans could generate new land in the river's delta in the next century.
Environment
Oct 20, 2009
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Paper explores how marsh sediment shapes and impacts river deltas
River deltas and their adjoining wetlands are being threatened by rising sea levels and decreased river sediment loads. Better understanding how coastlines along river deltas are created and sustained will be critical to ...
Earth Sciences
Jun 20, 2022
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A novel, 10,000-year study of strata compaction and sea-level rise on English coast
Environmental scientists at the University of Pennsylvania and Durham University have employed a novel combination of geological and model reconstructions of wetland environments during a 10,000-year period to address spatial ...
Earth Sciences
Dec 10, 2009
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New clues of the Zanclean megaflood found in the Alboran Sea
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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Exploring hidden life’s abundance
(PhysOrg.com) -- Two miles below the surface of the Sargasso Sea lies a depression in the Earth’s crust filled with sediment and, scientists believe, teeming with life — exotic, microscopic, and very likely never before ...
Earth Sciences
Feb 12, 2009
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Understanding the impact of deep-sea mining
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
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Investigating drivers of Antarctic ice retreat
An investigation of how an Antarctic ice sheet melted thousands of years ago will improve contemporary climate models and projections of rising sea level, according to a recently published study with contributions from The ...
Earth Sciences
Aug 3, 2022
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Volcanic activity and low ocean oxygen events linked to climate warming and rapid ice melt during last ice age
A chemical analysis of sediment cores from the North Pacific Ocean show a consistent pairing of volcanic ash and hypoxia, a low ocean oxygen condition spanning thousands of years, during times of rapid climate warming at ...
Earth Sciences
Nov 2, 2022
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